diff --git a/CMakeLists.txt b/CMakeLists.txt index 67dcf86d4..793709122 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -106,6 +106,7 @@ llama_option_depr(WARNING LLAMA_NATIVE GGML_NATIVE) llama_option_depr(WARNING LLAMA_RPC GGML_RPC) llama_option_depr(WARNING LLAMA_SYCL GGML_SYCL) llama_option_depr(WARNING LLAMA_SYCL_F16 GGML_SYCL_F16) +llama_option_depr(WARNING LLAMA_CANN GGML_CANN) # # build the library diff --git a/examples/llama-bench/llama-bench.cpp b/examples/llama-bench/llama-bench.cpp index d641a9f12..a6497b6e0 100644 --- a/examples/llama-bench/llama-bench.cpp +++ b/examples/llama-bench/llama-bench.cpp @@ -23,6 +23,10 @@ #include "ggml-cuda.h" #include "ggml-sycl.h" +#ifdef GGML_USE_CANN +#include "ggml-cann.h" +#endif + // utils static uint64_t get_time_ns() { using clock = std::chrono::high_resolution_clock; @@ -120,6 +124,17 @@ static std::string get_gpu_info() { id += "/"; } } +#endif +#ifdef GGML_USE_CANN + uint32_t count = ggml_backend_cann_get_device_count(); + for (uint32_t i = 0; i < count; i++) { + char buf[128]; + ggml_backend_cann_get_device_description(i, buf, sizeof(buf)); + id += buf; + if (i < count - 1) { + id += "/"; + } + } #endif // TODO: other backends return id; diff --git a/examples/llava/clip.cpp b/examples/llava/clip.cpp index d6882eec3..d23e282fb 100644 --- a/examples/llava/clip.cpp +++ b/examples/llava/clip.cpp @@ -16,6 +16,10 @@ #include "ggml-metal.h" #endif +#ifdef GGML_USE_CANN +#include "ggml-cann.h" +#endif + #define STB_IMAGE_IMPLEMENTATION #include "stb_image.h" @@ -1001,6 +1005,11 @@ struct clip_ctx * clip_model_load(const char * fname, const int verbosity = 1) { LOG_TEE("%s: CLIP using Metal backend\n", __func__); #endif +#ifdef GGML_USE_CANN + new_clip->backend = ggml_backend_cann_init(0); + LOG_TEE("%s: CLIP using CANN backend\n", __func__); +#endif + if (!new_clip->backend) { new_clip->backend = ggml_backend_cpu_init(); diff --git a/ggml/include/ggml-cann.h b/ggml/include/ggml-cann.h new file mode 100644 index 000000000..ca73211fe --- /dev/null +++ b/ggml/include/ggml-cann.h @@ -0,0 +1,125 @@ +/* + * Copyright (c) 2023-2024 The ggml authors + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#pragma once + +#include "ggml-backend.h" +#include "ggml.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @brief Maximum number of CANN devices supported. + */ +#define GGML_CANN_MAX_DEVICES 16 + +/** + * @brief Initializes the CANN backend for a specified device. + * + * This function initializes the CANN backend for the given device. + * It verifies the device index, allocates a context, and creates a backend + * instance. + * + * @param device The index of the device to initialize. + * @return A pointer to the initialized backend instance, or nullptr on failure. + */ +GGML_API GGML_CALL ggml_backend_t ggml_backend_cann_init(int32_t device); + +/** + * @brief Checks if a given backend is a CANN backend. + * + * This function verifies if the provided backend is a CANN backend by comparing + * its GUID with the CANN backend's GUID. + * + * @param backend The backend instance to check. + * @return True if the backend is a CANN backend, false otherwise. + */ +GGML_API GGML_CALL bool ggml_backend_is_cann(ggml_backend_t backend); + +/** + * @brief Retrieves the CANN buffer type for a specified device. + * + * This function initializes and returns the buffer type interface associated + * with the given device. It ensures thread-safe access using a mutex. + * + * @param device The device index for which to retrieve the buffer type. + * @return A pointer to the buffer type interface for the specified device, or + * nullptr if the device index is out of range. + */ +GGML_API GGML_CALL ggml_backend_buffer_type_t +ggml_backend_cann_buffer_type(int32_t device); + +/** + * @brief Retrieves the number of CANN devices available. + * + * This function returns the number of CANN devices available based on + * information obtained from `ggml_cann_info()`. + * + * @return The number of CANN devices available. + */ +GGML_API GGML_CALL int32_t ggml_backend_cann_get_device_count(void); + +/** + * @brief Retrieves the description of a specific CANN device. + * + * This function sets the specified device, retrieves the SoC name, + * and writes it into the provided description buffer. + * + * @param device The device index to retrieve the description for. + * @param description Pointer to a buffer where the description will be written. + * @param description_size Size of the description buffer. + */ +GGML_API GGML_CALL void ggml_backend_cann_get_device_description( + int32_t device, char* description, size_t description_size); + +/** + * @brief Retrieves the memory information of a specific CANN device. + * + * This function sets the specified device, retrieves the free and total + * memory information of the specified type (ACL_HBM_MEM), and stores them + * in the provided pointers. + * + * @param device The device index to retrieve memory information for. + * @param free Pointer to a variable where the free memory size will be stored. + * @param total Pointer to a variable where the total memory size will be + * stored. + */ +GGML_API GGML_CALL void ggml_backend_cann_get_device_memory(int32_t device, + size_t* free, + size_t* total); + +/** + * @brief Set the logging callback for GGML. + * + * This function sets the logging callback and user data for logging. + * + * @param log_callback The logging callback to set. + * @param user_data User data to pass to the logging callback. + */ +GGML_API void ggml_backend_cann_log_set_callback(ggml_log_callback log_callback, + void* user_data); + +#ifdef __cplusplus +} +#endif diff --git a/ggml/include/ggml.h b/ggml/include/ggml.h index f2145ff35..2fdb9fa40 100644 --- a/ggml/include/ggml.h +++ b/ggml/include/ggml.h @@ -753,6 +753,8 @@ extern "C" { GGML_API bool ggml_are_same_shape (const struct ggml_tensor * t0, const struct ggml_tensor * t1); GGML_API bool ggml_are_same_stride(const struct ggml_tensor * t0, const struct ggml_tensor * t1); + GGML_API bool ggml_can_repeat(const struct ggml_tensor * t0, const struct ggml_tensor * t1); + // use this to compute the memory overhead of a tensor GGML_API size_t ggml_tensor_overhead(void); @@ -2397,6 +2399,7 @@ extern "C" { GGML_API int ggml_cpu_has_rpc (void); GGML_API int ggml_cpu_has_vsx (void); GGML_API int ggml_cpu_has_matmul_int8(void); + GGML_API int ggml_cpu_has_cann (void); // // Internal types and functions exposed for tests and benchmarks diff --git a/ggml/src/CMakeLists.txt b/ggml/src/CMakeLists.txt index cbadaf4d9..3f4c66bf7 100644 --- a/ggml/src/CMakeLists.txt +++ b/ggml/src/CMakeLists.txt @@ -770,6 +770,74 @@ if (GGML_CPU_HBM) target_link_libraries(ggml PUBLIC memkind) endif() +if (GGML_CANN) + if ("cann${CANN_INSTALL_DIR}" STREQUAL "cann" AND DEFINED ENV{ASCEND_TOOLKIT_HOME}) + set(CANN_INSTALL_DIR $ENV{ASCEND_TOOLKIT_HOME}) + message(STATUS "CANN: updated CANN_INSTALL_DIR from ASCEND_TOOLKIT_HOME=$ENV{ASCEND_TOOLKIT_HOME}") + endif() + + if (CANN_INSTALL_DIR) + # Only Support Linux. + if (GGML_CANN) + if (NOT UNIX) + set(GGML_CANN OFF) + message(WARNING "CANN: CANN toolkit supports unix but not ${CMAKE_SYSTEM_NAME}. Turning off GGML_CANN") + endif() + endif() + + # Supported platforms: x86-64, arm64 + if (GGML_CANN) + if (CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64") + elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "amd64") + else() + set(GGML_CANN OFF) + message(WARNING "CANN: CANN toolkit supports x86-64 and arm64 but not ${CMAKE_SYSTEM_PROCESSOR}. Turning off GGML_CANN") + endif() + endif() + + # Set header and libs + if(GGML_CANN) + set(CANN_INCLUDE_DIRS + ${CANN_INSTALL_DIR}/include + ${CANN_INSTALL_DIR}/include/aclnn + ${CANN_INSTALL_DIR}/acllib/include + ) + + # TODO: find libs + link_directories( + ${CANN_INSTALL_DIR}/lib64 + ) + + add_subdirectory(ggml-cann/kernels) + list(APPEND CANN_LIBRARIES + ascendcl + nnopbase + opapi + acl_op_compiler + ascendc_kernels + ) + + set(GGML_HEADERS_CANN "../include/ggml-cann.h") + file(GLOB GGML_SOURCES_CANN "ggml-cann/*.cpp") + list(APPEND GGML_SOURCES_CANN "ggml-cann.cpp") + + message(STATUS "CANN: CANN_INCLUDE_DIRS = ${CANN_INCLUDE_DIRS}") + message(STATUS "CANN: CANN_LIBRARIES = ${CANN_LIBRARIES}") + + set(GGML_EXTRA_LIBS ${GGML_EXTRA_LIBS} ${CANN_LIBRARIES} ) + set(GGML_EXTRA_INCLUDES ${GGML_EXTRA_INCLUDES} ${CANN_INCLUDE_DIRS}) + list(APPEND GGML_CDEF_PUBLIC GGML_USE_CANN) + endif() + else() + set(GGML_CANN OFF) + message(WARNING "CANN: Can't find CANN_INSTALL_DIR, do you forget to source set_var.sh. Turning off GGML_CANN") + endif() + + if(NOT GGML_CANN) + message(WARNING "CANN: GGML_CANN is turned OFF, see above for details.") + endif() +endif() + function(get_flags CCID CCVER) set(C_FLAGS "") set(CXX_FLAGS "") @@ -1184,6 +1252,7 @@ add_library(ggml ${GGML_SOURCES_ROCM} ${GGML_HEADERS_ROCM} ${GGML_SOURCES_BLAS} ${GGML_HEADERS_BLAS} ${GGML_SOURCES_LLAMAFILE} ${GGML_HEADERS_LLAMAFILE} + ${GGML_SOURCES_CANN} ${GGML_HEADERS_CANN} ggml-aarch64.c ggml-aarch64.h ) diff --git a/ggml/src/ggml-backend.c b/ggml/src/ggml-backend.c index dbbaa3941..01c87efd0 100644 --- a/ggml/src/ggml-backend.c +++ b/ggml/src/ggml-backend.c @@ -445,6 +445,11 @@ GGML_CALL static void ggml_backend_registry_init(void) { extern GGML_CALL void ggml_backend_kompute_reg_devices(void); ggml_backend_kompute_reg_devices(); #endif + +#ifdef GGML_USE_CANN + extern GGML_CALL int ggml_backend_cann_reg_devices(void); + ggml_backend_cann_reg_devices(); +#endif } GGML_CALL void ggml_backend_register(const char * name, ggml_backend_init_fn init_fn, ggml_backend_buffer_type_t default_buffer_type, void * user_data) { diff --git a/ggml/src/ggml-cann.cpp b/ggml/src/ggml-cann.cpp new file mode 100644 index 000000000..9bf7e332a --- /dev/null +++ b/ggml/src/ggml-cann.cpp @@ -0,0 +1,2023 @@ +/* + * Copyright (c) 2023-2024 The ggml authors + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#include "ggml-cann.h" + +#include +#include + +#include +#include +#include +#include + +#include "ggml-backend-impl.h" +#include "ggml-cann/aclnn_ops.h" +#include "ggml-cann/common.h" + +#define GGML_COMMON_DECL_C + +#include "ggml-common.h" + +/** + * @brief Default logging callback for GGML. + * + * This function is the default logging callback that logs messages to stderr. + * + * @param level The log level. + * @param msg The log message. + * @param user_data User data passed to the callback. + */ +static void ggml_cann_default_log_callback(enum ggml_log_level level, + const char* msg, void* user_data) { + GGML_UNUSED(level); + GGML_UNUSED(user_data); + fprintf(stderr, "%s", msg); +} + +ggml_log_callback ggml_cann_log_callback = ggml_cann_default_log_callback; +void* ggml_cann_log_user_data = NULL; + +GGML_API void ggml_backend_cann_log_set_callback(ggml_log_callback log_callback, + void* user_data) { + ggml_cann_log_callback = log_callback; + ggml_cann_log_user_data = user_data; +} + +#define GGML_CANN_LOG_INFO(...) ggml_cann_log(GGML_LOG_LEVEL_INFO, __VA_ARGS__) +#define GGML_CANN_LOG_WARN(...) ggml_cann_log(GGML_LOG_LEVEL_WARN, __VA_ARGS__) +#define GGML_CANN_LOG_ERROR(...) \ + ggml_cann_log(GGML_LOG_LEVEL_ERROR, __VA_ARGS__) + +GGML_ATTRIBUTE_FORMAT(2, 3) + +/** + * @brief Log a message using the current logging callback. + * + * This function formats a log message and passes it to the current logging + * callback. + * + * @param level The log level. + * @param format The format string for the log message. + * @param ... The arguments for the format string. + */ +static void ggml_cann_log(enum ggml_log_level level, const char* format, ...) { + if (ggml_cann_log_callback != NULL) { + va_list args; + va_start(args, format); + char buffer[128]; + int len = vsnprintf(buffer, 128, format, args); + if (len < 128) { + ggml_cann_log_callback(level, buffer, ggml_cann_log_user_data); + } else { + // vsnprintf adds a null terminator + std::vector buffer2(len + 1); + va_end(args); + va_start(args, format); + vsnprintf(&buffer2[0], buffer2.size(), format, args); + ggml_cann_log_callback(level, buffer2.data(), + ggml_cann_log_user_data); + } + va_end(args); + } +} + +/** + * @brief Handles CANN errors by printing an error message and aborting. + * + * @param stmt The statement that caused the error. + * @param func The function in which the error occurred. + * @param file The file in which the error occurred. + * @param line The line number where the error occurred. + * @param msg The error message. + */ +[[noreturn]] void ggml_cann_error(const char* stmt, const char* func, + const char* file, int line, const char* msg) { + int32_t id = -1; + aclrtGetDevice(&id); + + GGML_CANN_LOG_ERROR("CANN error: %s\n", msg); + GGML_CANN_LOG_ERROR(" current device: %d, in function %s at %s:%d\n", id, func, + file, line); + GGML_CANN_LOG_ERROR(" %s\n", stmt); + // abort with GGML_ASSERT to get a stack trace + GGML_ASSERT(!"CANN error"); +} + +/** + * @brief Sets the device to be used by CANN. + * + * @param device The device ID to set. + */ +void ggml_cann_set_device(const int32_t device) { + // TODO: uncomment these lines after empty context has fixed. + // int current_device; + // ACL_CHECK(aclrtGetDevice(¤t_device)); + + // if (device == current_device) { + // return; + // } + ACL_CHECK(aclrtSetDevice(device)); +} + +/** + * @brief Retrieves the current device ID. + * + * @return The current device ID. + */ +int32_t ggml_cann_get_device() { + int32_t id; + ACL_CHECK(aclrtGetDevice(&id)); + return id; +} + +/** + * @brief Initialize the CANN device information. + * + * This function initializes the CANN device information by obtaining the + * device count and setting the memory allocation granularity for each device. + * + * @return A structure containing the device information. + */ +static ggml_cann_device_info ggml_cann_init() { + ggml_cann_device_info info = {}; + + aclError err = aclrtGetDeviceCount((uint32_t*)&info.device_count); + + if (err != ACL_SUCCESS) { + GGML_CANN_LOG_ERROR("%s: failed to initialize CANN: %s\n", + __func__, aclGetRecentErrMsg()); + return info; + } + + GGML_ASSERT(info.device_count <= GGML_CANN_MAX_DEVICES); + + for (int id = 0; id < info.device_count; ++id) { + aclrtPhysicalMemProp prop = {}; + prop.handleType = ACL_MEM_HANDLE_TYPE_NONE; + prop.allocationType = ACL_MEM_ALLOCATION_TYPE_PINNED; + prop.memAttr = ACL_HBM_MEM_HUGE; + prop.location.type = ACL_MEM_LOCATION_TYPE_DEVICE; + prop.location.id = id; + prop.reserve = 0; + ACL_CHECK(aclrtMemGetAllocationGranularity( + &prop, ACL_RT_MEM_ALLOC_GRANULARITY_RECOMMENDED, + &info.devices[id].vmm_granularity)); + } + + // TODO: add more device info later. + return info; +} + +/** + * @brief Retrieve the CANN device information. + * + * This function returns a reference to a structure containing the CANN device + * information. The device information is initialized once and reused on + * subsequent calls. + * + * @return A reference to the structure containing the device information. + */ +const ggml_cann_device_info& ggml_cann_info() { + static ggml_cann_device_info info = ggml_cann_init(); + return info; +} + +//#define DEBUG_CANN_MALLOC +/** + * @brief A pool of CANN buffers(legacy). + * + * This class manages a pool of CANN buffers for a specific device. + */ +struct ggml_cann_pool_leg : public ggml_cann_pool { + /** + * @brief The maximum number of buffers in the pool. + */ + static const int MAX_BUFFERS = 256; + + /** + * @brief The device ID associated with this buffer pool. + */ + int device; + + /** + * @brief Structure representing a CANN buffer. + */ + struct ggml_cann_buffer { + void* ptr = nullptr; ///< Pointer to the buffer memory. + size_t size = 0; ///< Size of the buffer. + }; + + /** + * @brief Array of CANN buffers in the pool. + */ + ggml_cann_buffer buffer_pool[MAX_BUFFERS] = {}; + + /** + * @brief Total size of all buffers in the pool. + */ + size_t pool_size = 0; + + /** + * @brief Constructor to initialize the buffer pool for a specific device. + * + * @param device The device ID to associate with this buffer pool. + */ + explicit ggml_cann_pool_leg(int device) : device(device) {} + + /** + * @brief Destructor to free all buffers in the pool. + */ + ~ggml_cann_pool_leg() { + ggml_cann_set_device(device); + for (int i = 0; i < MAX_BUFFERS; ++i) { + ggml_cann_buffer& b = buffer_pool[i]; + if (b.ptr != nullptr) { + ACL_CHECK(aclrtFree(b.ptr)); + pool_size -= b.size; + } + } + GGML_ASSERT(pool_size == 0); + } + + /** + * @brief Allocate a buffer of the given size. + * + * @param size The size of the buffer to allocate. + * @param actual_size A pointer to a variable to receive the actual size of + * the allocated buffer. + * @return A pointer to the allocated buffer. + */ + void* alloc(size_t size, size_t* actual_size) override { +#ifdef DEBUG_CANN_MALLOC + int nnz = 0; + size_t max_size = 0; +#endif + size_t best_diff = 1ull << 36; + int ibest = -1; + for (int i = 0; i < MAX_BUFFERS; ++i) { + ggml_cann_buffer& b = buffer_pool[i]; + if (b.ptr != nullptr) { +#ifdef DEBUG_CANN_MALLOC + ++nnz; + if (b.size > max_size) max_size = b.size; +#endif + if (b.size >= size) { + size_t diff = b.size - size; + if (diff < best_diff) { + best_diff = diff; + ibest = i; + if (!best_diff) { + void* ptr = b.ptr; + *actual_size = b.size; + b.ptr = nullptr; + b.size = 0; + return ptr; + } + } + } + } + } + if (ibest >= 0) { + ggml_cann_buffer& b = buffer_pool[ibest]; + void* ptr = b.ptr; + *actual_size = b.size; + b.ptr = nullptr; + b.size = 0; + return ptr; + } + void* ptr; + size_t look_ahead_size = (size_t)(1.05 * size); + look_ahead_size = 256 * ((look_ahead_size + 255) / 256); + ggml_cann_set_device(device); + ACL_CHECK( + aclrtMalloc(&ptr, look_ahead_size, ACL_MEM_MALLOC_HUGE_FIRST)); + *actual_size = look_ahead_size; + pool_size += look_ahead_size; +#ifdef DEBUG_CANN_MALLOC + GGML_CANN_LOG_INFO( + "%s[%d]: %d buffers, max_size = %u MB, pool_size = %u MB, " + "requested %u MB\n", + __func__, device, nnz, (uint32_t)(max_size / 1024 / 1024), + (uint32_t)(pool_size / 1024 / 1024), + (uint32_t)(size / 1024 / 1024)); +#endif + return ptr; + } + + /** + * @brief Free a buffer and return it to the pool. + * + * @param ptr Pointer to the buffer to free. + * @param size Size of the buffer to free. + */ + void free(void* ptr, size_t size) override { + for (int i = 0; i < MAX_BUFFERS; ++i) { + ggml_cann_buffer& b = buffer_pool[i]; + if (b.ptr == nullptr) { + b.ptr = ptr; + b.size = size; + return; + } + } + // memory should always buffered. these memory may still needed by + // tasks in stream. + // TODO, fix me. + GGML_ASSERT(!"Cann buffer pool full, increase MAX_CANN_BUFFERS\n"); + } +}; + +/** + * @brief A pool of CANN buffers with virtual memory. + * + * This class manages a pool of CANN buffers with virtual memory for a specific + * device. + */ +struct ggml_cann_pool_vmm : public ggml_cann_pool { + /** + * @brief The maximum size of the virtual memory pool (32 GB). + */ + static const size_t CANN_POOL_VMM_MAX_SIZE = 1ull << 35; // 32 GB + + /** + * @brief The device ID associated with this buffer pool. + */ + int device; + + /** + * @brief Pointer to the start of the virtual memory pool. + */ + void* pool_addr = 0; + + /** + * @brief Amount of virtual memory used in the pool. + */ + size_t pool_used = 0; + + /** + * @brief Total size of the virtual memory pool. + */ + size_t pool_size = 0; + + /** + * @brief Allocation granularity for the virtual memory pool. + */ + size_t granularity; + + /** + * @brief Handles for the physical memory allocated. + */ + std::vector handles; + + /** + * @brief Offsets for the mapped memory regions. + */ + std::vector map_offsets; + + /** + * @brief Constructor to initialize the buffer pool with virtual memory for + * a specific device. + * + * @param device The device ID to associate with this buffer pool. + */ + explicit ggml_cann_pool_vmm(int device) + : device(device), + granularity(ggml_cann_info().devices[device].vmm_granularity) {} + + /** + * @brief Destructor to free all buffers in the virtual memory pool. + */ + ~ggml_cann_pool_vmm() { + if (pool_addr != 0) { + for (auto& offset : map_offsets) { + ACL_CHECK(aclrtUnmapMem(offset)); + } + for (auto& handle : handles) { + ACL_CHECK(aclrtFreePhysical(handle)); + } + ACL_CHECK(aclrtReleaseMemAddress(pool_addr)); + } + } + + /** + * @brief Allocate a buffer of the given size in the virtual memory pool. + * + * @param size The size of the buffer to allocate. + * @param actual_size A pointer to a variable to receive the actual size of + * the allocated buffer. + * @return A pointer to the allocated buffer. + */ + void* alloc(size_t size, size_t* actual_size) override { + // round up the allocation size to the alignment to ensure that all + // allocations are aligned for all data types + const size_t alignment = 128; + size = alignment * ((size + alignment - 1) / alignment); + + size_t avail = pool_size - pool_used; + + if (size > avail) { + // round up to the next multiple of the granularity + size_t reserve_size = size - avail; + reserve_size = + granularity * ((reserve_size + granularity - 1) / granularity); + + GGML_ASSERT(pool_size + reserve_size <= CANN_POOL_VMM_MAX_SIZE); + + // allocate more physical memory + aclrtPhysicalMemProp prop = {}; + prop.handleType = ACL_MEM_HANDLE_TYPE_NONE; + prop.allocationType = ACL_MEM_ALLOCATION_TYPE_PINNED; + prop.memAttr = ACL_HBM_MEM_HUGE; + prop.location.type = ACL_MEM_LOCATION_TYPE_DEVICE; + prop.location.id = device; + prop.reserve = 0; + aclrtDrvMemHandle handle; + ACL_CHECK(aclrtMallocPhysical(&handle, reserve_size, &prop, 0)); + + // reserve virtual address space (if not already reserved) + if (pool_addr == 0) { + ACL_CHECK(aclrtReserveMemAddress( + &pool_addr, CANN_POOL_VMM_MAX_SIZE, 0, NULL, 1)); + } + + // map at the end of the pool + ACL_CHECK(aclrtMapMem((char*)pool_addr + pool_size, reserve_size, 0, + handle, 0)); + + handles.push_back(handle); + map_offsets.push_back((char*)pool_addr + pool_size); + + // add to the pool + pool_size += reserve_size; + + // GGML_CANN_LOG_INFO("cann pool[%d]: size increased to %llu MB ( + // reserved %llu MB)\n", + // device, (unsigned long long) (pool_size/1024/1024), + // (unsigned long long) (reserve_size/1024/1024)); + } + + GGML_ASSERT(pool_addr != 0); + + void* ptr = (void*)((char*)pool_addr + pool_used); + *actual_size = size; + pool_used += size; + +#ifdef DEBUG_CANN_MALLOC + GGML_CANN_LOG_INFO("cann pool[%d]: allocated %llu bytes at %llx\n", device, + (unsigned long long)size, (unsigned long long)ptr); +#endif + return ptr; + } + + /** + * @brief Free a buffer and return it to the virtual memory pool. + * + * @param ptr Pointer to the buffer to free. + * @param size Size of the buffer to free. + */ + void free(void* ptr, size_t size) override { +#ifdef DEBUG_CANN_MALLOC + GGML_CANN_LOG_INFO("cann pool[%d]: freed %llu bytes at %llx\n", device, + (unsigned long long)size, (unsigned long long)ptr); +#endif + + pool_used -= size; + + // all deallocations must be in reverse order of the allocations + GGML_ASSERT(ptr == (void*)((char*)pool_addr + pool_used)); + } +}; + +/** + * @brief Create a new CANN pool for a specific device. + * + * Factory method to create a new CANN pool object based on the device type. + * + * @param device The device ID for which to create the pool. + * @return A unique pointer to the created CANN pool. + */ +std::unique_ptr ggml_backend_cann_context::new_pool_for_device( + int device) { + // return std::unique_ptr(new ggml_cann_pool_leg(device)); + return std::unique_ptr(new ggml_cann_pool_vmm(device)); +} + +// cann buffer +/** + * @brief Context for managing a CANN buffer associated with a specific device. + * + * This structure holds information about a CANN buffer, including the device + * ID, device pointer, and a name derived from GGML_CANN_NAME and the device ID. + */ +struct ggml_backend_cann_buffer_context { + int32_t device; ///< The device ID associated with this buffer context. + void* dev_ptr = + nullptr; ///< Pointer to the device memory allocated for the buffer. + + /** + * @brief Constructor to initialize the CANN buffer context. + * + * @param device The device ID associated with this buffer context. + * @param dev_ptr Pointer to the device memory allocated for the buffer. + */ + ggml_backend_cann_buffer_context(int32_t device, void* dev_ptr) + : device(device), + dev_ptr(dev_ptr) {} + + /** + * @brief Destructor to free the device memory allocated for the buffer. + */ + ~ggml_backend_cann_buffer_context() { ACL_CHECK(aclrtFree(dev_ptr)); } +}; + +/** + * @brief Retrieve the name associated with a CANN buffer. + * + * This function returns the name of a CANN buffer, which is stored in the + * context of the buffer. + * + * @param buffer The CANN buffer whose name is to be retrieved. + * @return A pointer to a C-string containing the name of the buffer. + */ + +GGML_CALL static const char* ggml_backend_cann_buffer_get_name( + ggml_backend_buffer_t buffer) { + return "CANN"; + + GGML_UNUSED(buffer); +} + +/** + * @brief Check if a buffer is a CANN buffer. + * + * This function checks if a given buffer is a CANN buffer by comparing its + * `get_name` function pointer to `ggml_backend_cann_buffer_get_name`. + * + * @param buffer The buffer to check. + * @return true if the buffer is a CANN buffer, false otherwise. + */ +GGML_CALL static bool ggml_backend_buffer_is_cann( + ggml_backend_buffer_t buffer) { + return buffer->iface.get_name == ggml_backend_cann_buffer_get_name; +} + +/** + * @brief Free resources associated with a CANN buffer. + * + * This function frees the resources associated with a CANN buffer, including + * its context. + * + * @param buffer The CANN buffer to free. + */ +GGML_CALL static void ggml_backend_cann_buffer_free_buffer( + ggml_backend_buffer_t buffer) { + ggml_backend_cann_buffer_context* ctx = + (ggml_backend_cann_buffer_context*)buffer->context; + delete ctx; +} + +/** + * @brief Retrieve the base pointer of a CANN buffer. + * + * This function returns the base pointer of a CANN buffer, which points to the + * device memory allocated for the buffer. + * + * @param buffer The CANN buffer whose base pointer is to be retrieved. + * @return A pointer to the base of the device memory allocated for the buffer. + */ +GGML_CALL static void* ggml_backend_cann_buffer_get_base( + ggml_backend_buffer_t buffer) { + ggml_backend_cann_buffer_context* ctx = + (ggml_backend_cann_buffer_context*)buffer->context; + return ctx->dev_ptr; +} + +/** + * @brief Transform quantized Q4.0 tensor data into a format suitable for CANN + * processing. + * + * This function transforms quantized Q4.0 tensor data into a format suitable + * for CANN processing. It extracts quantization values and scales from the + * source data and prepares them in a format expected by CANN operations. + * + * @param tensor Pointer to the tensor information. + * @param src Pointer to the source data in Q4.0 format. + * @param dst Pointer to the destination buffer where transformed data will be + * stored. + */ +GGML_CALL static void ggml_backend_cann_transform_q4_0(ggml_tensor* tensor, + const void* src, + void* dst) { + GGML_ASSERT(tensor->op == GGML_OP_NONE); + + int64_t n_elems = ggml_nelements(tensor); + int64_t groups = n_elems / QK4_0; + size_t quant_bytes = n_elems * sizeof(uint8_t) / 2; + + uint8_t* quant_offset = (uint8_t*)dst; + uint16_t* scale_offset = (uint16_t*)((char*)dst + quant_bytes); + + for (int i = 0; i < groups; i++) { + const block_q4_0* group = + (const block_q4_0*)((const char*)src + i * sizeof(block_q4_0)); + *scale_offset = group->d; + scale_offset++; + + // 0-15 + for (int j = 0; j < QK4_0 / 2; j += 2) { + (*quant_offset) = (group->qs[j] & 0x0F); + (*quant_offset) |= ((group->qs[j + 1] << 4)); + quant_offset++; + } + + // 16-31 + for (int j = 0; j < QK4_0 / 2; j += 2) { + (*quant_offset) = (group->qs[j] >> 4); + (*quant_offset) |= (group->qs[j + 1] & 0xF0); + quant_offset++; + } + } + + // put (uint4b_t -8) into int4b_t + for (quant_offset = (uint8_t*)dst; + quant_offset < (uint8_t*)dst + quant_bytes; quant_offset++) { + (*quant_offset) ^= 0x88; + } +} + +/** + * @brief Transform CANN processed data back into quantized Q4.0 format. + * + * This function transforms CANN processed data back into quantized Q4.0 format. + * It reverses the transformation performed by + * ggml_backend_cann_transform_q4_0(), converting the data back into its + * original quantized form. + * + * @param tensor Pointer to the tensor information. + * @param src Pointer to the source buffer containing transformed data. + * @param dst Pointer to the destination buffer where the Q4.0 formatted data + * will be stored. + */ +GGML_CALL static void ggml_backend_cann_transform_back_q4_0( + const ggml_tensor* tensor, void* src, void* dst) { + GGML_ASSERT(tensor->op == GGML_OP_NONE); + + int64_t n_elems = ggml_nelements(tensor); + int64_t groups = n_elems / QK4_0; + size_t quant_bytes = n_elems * sizeof(uint8_t) / 2; + + uint8_t* quant_offset = (uint8_t*)src; + uint16_t* scale_offset = (uint16_t*)((char*)src + quant_bytes); + + for (; quant_offset < (uint8_t*)src + quant_bytes; quant_offset++) { + (*quant_offset) ^= 0x88; + } + quant_offset = (uint8_t*)src; + + for (int i = 0; i < groups; i++) { + block_q4_0* group = (block_q4_0*)((char*)dst + i * sizeof(block_q4_0)); + group->d = *scale_offset; + scale_offset++; + + // 0-15 + for (int j = 0; j < QK4_0 / 2; j += 2) { + group->qs[j] = ((*quant_offset) & 0x0F); + group->qs[j + 1] = ((*quant_offset) >> 4); + quant_offset++; + } + + // 16-31 + for (int j = 0; j < QK4_0 / 2; j += 2) { + group->qs[j] |= ((*quant_offset) << 4); + group->qs[j + 1] |= ((*quant_offset) & 0xF0); + quant_offset++; + } + } +} + +/** + * @brief Transform quantized Q8.0 tensor data into a format suitable for CANN + * processing. + * + * This function transforms quantized Q8.0 tensor data into a format suitable + * for CANN processing. It extracts quantization values and scales from the + * source data and prepares them in a format expected by CANN operations. + * + * @param tensor Pointer to the tensor information. + * @param src Pointer to the source data in Q8.0 format. + * @param dst Pointer to the destination buffer where transformed data will be + * stored. + */ +GGML_CALL static void ggml_backend_cann_transform_q8_0(ggml_tensor* tensor, + const void* src, + void* dst) { + int64_t n_elems = ggml_nelements(tensor); + int64_t groups = n_elems / QK8_0; + size_t quant_bytes = n_elems * sizeof(uint8_t); + + uint8_t* quant_offset = (uint8_t*)dst; + uint16_t* scale_offset = (uint16_t*)((char*)dst + quant_bytes); + + for (int i = 0; i < groups; i++) { + const block_q8_0* group = + (const block_q8_0*)((const char*)src + i * sizeof(block_q8_0)); + *scale_offset = group->d; + scale_offset++; + size_t group_quant_size = QK8_0 * sizeof(uint8_t); + memcpy(quant_offset, group->qs, group_quant_size); + quant_offset += group_quant_size; + } +} + +/** + * @brief Transform CANN processed data back into quantized Q8.0 format. + * + * This function transforms CANN processed data back into quantized Q8.0 format. + * It reverses the transformation performed by + * ggml_backend_cann_transform_q8_0(), converting the data back into its + * original quantized form. + * + * @param tensor Pointer to the tensor information. + * @param src Pointer to the source buffer containing transformed data. + * @param dst Pointer to the destination buffer where the Q8.0 formatted data + * will be stored. + */ +GGML_CALL static void ggml_backend_cann_transform_back_q8_0( + const ggml_tensor* tensor, const void* src, void* dst) { + int64_t n_elems = ggml_nelements(tensor); + int64_t groups = n_elems / QK8_0; + size_t quant_bytes = n_elems * sizeof(uint8_t); + + const uint8_t* quant_offset = (const uint8_t*)src; + const uint16_t* scale_offset = + (const uint16_t*)((const char*)src + quant_bytes); + + for (int i = 0; i < groups; i++) { + block_q8_0* group = (block_q8_0*)((char*)dst + i * sizeof(block_q8_0)); + group->d = *scale_offset; + scale_offset++; + size_t group_quant_size = QK8_0 * sizeof(uint8_t); + memcpy(group->qs, quant_offset, group_quant_size); + quant_offset += group_quant_size; + } +} + +/** + * @brief Transform tensor data based on its type for CANN processing. + * + * This function transforms tensor data based on its quantization type for CANN + * processing. It dispatches the transformation based on the tensor's type to + * specialized functions handling Q4.0 and Q8.0 formats. + * + * @param tensor Pointer to the tensor information. + * @param src Pointer to the source data to be transformed. + * @param dst Pointer to the destination buffer where transformed data will be + * stored. + */ +GGML_CALL static void ggml_backend_cann_transform(ggml_tensor* tensor, + const void* src, void* dst) { + switch (tensor->type) { + case GGML_TYPE_Q4_0: + ggml_backend_cann_transform_q4_0(tensor, src, dst); + break; + case GGML_TYPE_Q8_0: + ggml_backend_cann_transform_q8_0(tensor, src, dst); + break; + default: + break; + } +} + +/** + * @brief Transform CANN processed data back into tensor data based on its type. + * + * This function transforms CANN processed data back into tensor data based on + * its quantization type for Q4.0 and Q8.0 formats. It dispatches the + * transformation based on the tensor's type to specialized functions. + * + * @param tensor Pointer to the tensor information. + * @param src Pointer to the source data containing CANN processed data. + * @param dst Pointer to the destination buffer where transformed tensor data + * will be stored. + */ +GGML_CALL static void ggml_backend_cann_transform_back( + const ggml_tensor* tensor, void* src, void* dst) { + switch (tensor->type) { + case GGML_TYPE_Q4_0: + ggml_backend_cann_transform_back_q4_0(tensor, src, dst); + break; + case GGML_TYPE_Q8_0: + ggml_backend_cann_transform_back_q8_0(tensor, src, dst); + break; + default: + break; + } +} + +/** + * @brief Check if transformation is needed for a given tensor type. + * + * This function checks if transformation is needed for a given tensor type + * to prepare data for CANN processing. + * + * @param type The tensor type to check. + * @return true if transformation is needed, false otherwise. + */ +GGML_CALL static bool need_transform(ggml_type type) { + switch (type) { + case GGML_TYPE_Q4_0: + case GGML_TYPE_Q8_0: + return true; + default: + return false; + } +} + +/** + * @brief Initialize a tensor using data from a CANN buffer. + * + * This function initializes a tensor using data from a CANN buffer. + * It handles special cases such as views and quantization. + * + * @param buffer The CANN buffer from which to initialize the tensor. + * @param tensor Pointer to the tensor to be initialized. + */ +GGML_CALL static void ggml_backend_cann_buffer_init_tensor( + ggml_backend_buffer_t buffer, ggml_tensor* tensor) { + if (tensor->view_src != NULL && tensor->view_offs == 0) { + GGML_ASSERT(tensor->view_src->buffer->buft == buffer->buft); + return; + } + + // TODO: can backend doesn't support quantized yet. Just leave the code + // here. + if (ggml_is_quantized(tensor->type)) { + // Initialize padding to 0 to avoid possible NaN values + size_t original_size = ggml_nbytes(tensor); + size_t padded_size = + ggml_backend_buft_get_alloc_size(buffer->buft, tensor); + + if (padded_size > original_size && tensor->view_src == nullptr) { + size_t memset_size = padded_size - original_size; + ACL_CHECK(aclrtMemset((char*)tensor->data + original_size, + memset_size, 0, memset_size)); + } + } +} + +// TODO: need handle tensor which has paddings. +/** + * @brief Set tensor data in a CANN buffer. + * + * This function sets tensor data in a CANN buffer, handling transformations + * if needed based on the tensor's type. + * + * @param buffer The CANN buffer where the tensor data will be set. + * @param tensor Pointer to the tensor whose data will be set. + * @param data Pointer to the source data to be copied into the tensor. + * @param offset Offset in the source data from where to start copying. + * @param size Size of the data to be copied, in bytes. + */ +GGML_CALL static void ggml_backend_cann_buffer_set_tensor( + ggml_backend_buffer_t buffer, ggml_tensor* tensor, const void* data, + size_t offset, size_t size) { + // GGML_ASSERT(size == ggml_nbytes(tensor)); + ggml_backend_cann_buffer_context* ctx = + (ggml_backend_cann_buffer_context*)buffer->context; + + ggml_cann_set_device(ctx->device); + // TODO: refer to cann(#6017), it use thread's default stream. + // For acl, synchronous functions use this default stream. + // Why aclrtSynchronizeDevice? + + if (!need_transform(tensor->type)) { + ACL_CHECK(aclrtMemcpy(tensor->data, size, (const char*)data + offset, + size, ACL_MEMCPY_HOST_TO_DEVICE)); + } else { + void* transform_buffer = malloc(size); + ggml_backend_cann_transform(tensor, (const char*)data + offset, + transform_buffer); + +#ifndef NDEBUG + void* check_buffer = malloc(size); + ggml_backend_cann_transform_back(tensor, transform_buffer, + check_buffer); + GGML_ASSERT(memcmp((const char*)data + offset, check_buffer, size) == + 0); + free(check_buffer); +#endif + ACL_CHECK(aclrtMemcpy(tensor->data, size, transform_buffer, size, + ACL_MEMCPY_HOST_TO_DEVICE)); + free(transform_buffer); + } +} + +/** + * @brief Get tensor data from a CANN buffer. + * + * This function retrieves tensor data from a CANN buffer, handling + * transformations if needed based on the tensor's type. + * + * @param buffer The CANN buffer from which to retrieve tensor data. + * @param tensor Pointer to the tensor whose data will be retrieved. + * @param data Pointer to the destination buffer where the tensor data will be + * copied. + * @param offset Offset in the destination buffer where to start copying. + * @param size Size of the data to be copied, in bytes. + */ +GGML_CALL static void ggml_backend_cann_buffer_get_tensor( + ggml_backend_buffer_t buffer, const ggml_tensor* tensor, void* data, + size_t offset, size_t size) { + GGML_ASSERT(size == ggml_nbytes(tensor)); + ggml_backend_cann_buffer_context* ctx = + (ggml_backend_cann_buffer_context*)buffer->context; + + ggml_cann_set_device(ctx->device); + + if (!need_transform(tensor->type)) { + ACL_CHECK(aclrtMemcpy((char*)data + offset, size, tensor->data, size, + ACL_MEMCPY_DEVICE_TO_HOST)); + } else { + void* transform_buffer = malloc(size); + ACL_CHECK(aclrtMemcpy(transform_buffer, size, tensor->data, size, + ACL_MEMCPY_DEVICE_TO_HOST)); + ggml_backend_cann_transform_back(tensor, transform_buffer, + (char*)data + offset); + free(transform_buffer); + } +} + +/** + * @brief Copy tensor data between CANN buffers if possible. + * + * This function copies tensor data between CANN buffers if the source and + * destination buffers are CANN buffers and they meet the necessary conditions + * (same device or devices can access each other). + * + * @param buffer The destination CANN buffer where the tensor data will be + * copied. + * @param src Pointer to the source tensor whose data will be copied. + * @param dst Pointer to the destination tensor where the data will be copied. + * @return true if the copy operation succeeded, false otherwise. + */ +GGML_CALL static bool ggml_backend_cann_buffer_cpy_tensor( + ggml_backend_buffer_t buffer, const ggml_tensor* src, ggml_tensor* dst) { + if (ggml_backend_buffer_is_cann(src->buffer)) { + ggml_backend_cann_buffer_context* src_ctx = + (ggml_backend_cann_buffer_context*)src->buffer->context; + ggml_backend_cann_buffer_context* dst_ctx = + (ggml_backend_cann_buffer_context*)buffer->context; + + size_t memcpy_size = ggml_nbytes(src); + // Same device. + if (src_ctx->device == dst_ctx->device) { + ACL_CHECK(aclrtMemcpy((char*)dst->data, memcpy_size, + (const char*)src->data, memcpy_size, + ACL_MEMCPY_DEVICE_TO_DEVICE)); + return true; + } else { + // Different device but can access by peer. + int32_t canAccessPeer = 0; + ACL_CHECK(aclrtDeviceCanAccessPeer(&canAccessPeer, src_ctx->device, + dst_ctx->device)); + if (canAccessPeer) { + ggml_cann_set_device(src_ctx->device); + ACL_CHECK(aclrtDeviceEnablePeerAccess(dst_ctx->device, 0)); + ACL_CHECK(aclrtMemcpy((char*)dst->data, memcpy_size, + (const char*)src->data, memcpy_size, + ACL_MEMCPY_DEVICE_TO_DEVICE)); + return true; + } + } + } + return false; +} + +/** + * @brief Clear a CANN buffer by setting all its memory to a specified value. + * + * This function clears a CANN buffer by setting all its memory to a specified + * value. + * + * @param buffer The CANN buffer to be cleared. + * @param value The value to which each byte in the buffer will be set. + */ +GGML_CALL static void ggml_backend_cann_buffer_clear( + ggml_backend_buffer_t buffer, uint8_t value) { + ggml_backend_cann_buffer_context* ctx = + (ggml_backend_cann_buffer_context*)buffer->context; + + ggml_cann_set_device(ctx->device); + ACL_CHECK(aclrtMemset(ctx->dev_ptr, buffer->size, value, buffer->size)); +} + +/** + * @brief Interface for a CANN buffer in the backend. + * + * This structure defines function pointers to operations that can be performed + * on a CANN buffer within the backend. + */ +static ggml_backend_buffer_i ggml_backend_cann_buffer_interface = { + /* .get_name = */ ggml_backend_cann_buffer_get_name, + /* .free_buffer = */ ggml_backend_cann_buffer_free_buffer, + /* .get_base = */ ggml_backend_cann_buffer_get_base, + /* .init_tensor = */ ggml_backend_cann_buffer_init_tensor, + /* .set_tensor = */ ggml_backend_cann_buffer_set_tensor, + /* .get_tensor = */ ggml_backend_cann_buffer_get_tensor, + /* .cpy_tensor = */ ggml_backend_cann_buffer_cpy_tensor, + /* .clear = */ ggml_backend_cann_buffer_clear, + /* .reset = */ NULL, +}; + +// cann buffer type +/** + * @brief Structure representing context information for a specific backend + * buffer type. + */ +struct ggml_backend_cann_buffer_type_context { + int32_t + device; /**< Device identifier associated with the buffer context. */ + std::string name; /**< Name associated with the buffer context. */ +}; + +/** + * @brief Retrieves the name associated with a CANN buffer type. + * + * This function returns the descriptive name associated with the specified + * CANN buffer type context. + * + * @param buft Pointer to the buffer type context. + * @return Const pointer to the C-style string containing the name. + */ +GGML_CALL static const char* ggml_backend_cann_buffer_type_name( + ggml_backend_buffer_type_t buft) { + return "CANN"; + + GGML_UNUSED(buft); +} + +/** + * @brief Allocates a new CANN buffer of the specified type and size. + * + * This function allocates a new CANN buffer on the specified device with the + * given size. + * + * @param buft Pointer to the buffer type context. + * @param size Size in bytes of the buffer to allocate. + * @return Pointer to the allocated buffer, or nullptr if allocation fails. + */ +GGML_CALL static ggml_backend_buffer_t +ggml_backend_cann_buffer_type_alloc_buffer(ggml_backend_buffer_type_t buft, + size_t size) { + ggml_backend_cann_buffer_type_context* buft_ctx = + (ggml_backend_cann_buffer_type_context*)buft->context; + + ggml_cann_set_device(buft_ctx->device); + + size = std::max(size, (size_t)1); + + void* dev_ptr; + aclError err = aclrtMalloc(&dev_ptr, size, ACL_MEM_MALLOC_HUGE_FIRST); + if (err != ACL_SUCCESS) { + GGML_CANN_LOG_ERROR( + "%s: allocating %.2f MiB on device %d: aclrtMalloc failed: %s\n", + __func__, size / 1024.0 / 1024.0, buft_ctx->device, + aclGetRecentErrMsg()); + return nullptr; + } + + ggml_backend_cann_buffer_context* ctx = + new ggml_backend_cann_buffer_context(buft_ctx->device, dev_ptr); + + return ggml_backend_buffer_init(buft, ggml_backend_cann_buffer_interface, + ctx, size); +} + +/** + * @brief Retrieves the memory alignment requirement for CANN buffers of this + * type. + * + * This function returns the alignment requirement in bytes for memory allocated + * by the CANN buffer type. + * + * @param buft Pointer to the buffer type context (unused in this + * implementation). + * @return The alignment requirement in bytes (fixed at 128 bytes for CANN + * buffers). + */ +GGML_CALL static size_t ggml_backend_cann_buffer_type_get_alignment( + ggml_backend_buffer_type_t buft) { + return 128; + + GGML_UNUSED(buft); +} + +/** + * @brief Calculates the allocation size required for a tensor in a CANN buffer. + * + * Computes the total allocation size needed for storing the tensor's data in a + * CANN buffer, considering any necessary padding or adjustments for quantized + * types. + * + * @param buft Pointer to the buffer type context (unused in this + * implementation). + * @param tensor Pointer to the tensor for which the allocation size is + * calculated. + * @return The total allocation size in bytes required for the tensor in the + * CANN buffer. + */ +GGML_CALL static size_t ggml_backend_cann_buffer_type_get_alloc_size( + ggml_backend_buffer_type_t buft, const ggml_tensor* tensor) { + size_t size = ggml_nbytes(tensor); + int64_t ne0 = tensor->ne[0]; + + // last line must bigger than 32, because every single op deal at + // least 32 bytes. + // TODO: quantized type? + // int64_t line_size = ne0 * ggml_element_size(tensor); + // int64_t line_size_align_32 = (line_size + 31) & ~31; + // size += (line_size_align_32 - line_size); + + // TODO: not support quantized yet. + // TODO: consider un-continue tensor. + if (ggml_is_quantized(tensor->type)) { + if (ne0 % MATRIX_ROW_PADDING != 0) { + size += ggml_row_size( + tensor->type, MATRIX_ROW_PADDING - ne0 % MATRIX_ROW_PADDING); + } + } + + return size; + + GGML_UNUSED(buft); +} + +/** + * @brief Interface for managing CANN buffer types in the GGML backend. + * + * Provides function pointers for allocating, querying properties, and managing + * memory for CANN buffer types in the GGML backend. + */ +static ggml_backend_buffer_type_i ggml_backend_cann_buffer_type_interface = { + /* .get_name = */ ggml_backend_cann_buffer_type_name, + /* .alloc_buffer = */ ggml_backend_cann_buffer_type_alloc_buffer, + /* .get_alignment = */ ggml_backend_cann_buffer_type_get_alignment, + /* .get_max_size = */ NULL, // defaults to SIZE_MAX + /* .get_alloc_size = */ ggml_backend_cann_buffer_type_get_alloc_size, + /* .is_host = */ NULL, +}; + +/** + * @brief Retrieves the CANN buffer type for a specified device. + * + * This function initializes and returns the buffer type interface associated + * with the given device. It ensures thread-safe access using a mutex. + * + * @param device The device index for which to retrieve the buffer type. + * @return A pointer to the buffer type interface for the specified device, or + * nullptr if the device index is out of range. + */ +GGML_CALL ggml_backend_buffer_type_t +ggml_backend_cann_buffer_type(int32_t device) { + static std::mutex mutex; + std::lock_guard lock(mutex); + + if (device >= ggml_backend_cann_get_device_count()) { + return nullptr; + } + + static ggml_backend_buffer_type + ggml_backend_cann_buffer_types[GGML_CANN_MAX_DEVICES]; + + static bool ggml_backend_cann_buffer_type_initialized = false; + + if (!ggml_backend_cann_buffer_type_initialized) { + for (int32_t i = 0; i < GGML_CANN_MAX_DEVICES; i++) { + ggml_backend_cann_buffer_types[i] = { + /* .iface = */ ggml_backend_cann_buffer_type_interface, + /* .context = */ + new ggml_backend_cann_buffer_type_context{ + i, "CANN" + std::to_string(i)}, + }; + } + ggml_backend_cann_buffer_type_initialized = true; + } + + return &ggml_backend_cann_buffer_types[device]; +} + +/** + * @brief Computes the forward operation for a given tensor using CANN + * operations. + * + * This function selects the appropriate CANN operation based on the type of + * operation specified in the tensor and performs the computation. + * + * @param ctx The CANN context containing necessary resources and + * configurations. + * @param dst The destination tensor where the result of the computation will be + * stored. + * @return true if the computation was successful; false otherwise. + */ +static bool ggml_cann_compute_forward(ggml_backend_cann_context& ctx, + struct ggml_tensor* dst) { + switch (dst->op) { + case GGML_OP_REPEAT: + ggml_cann_repeat(ctx, dst); + break; + case GGML_OP_GET_ROWS: + ggml_cann_get_rows(ctx, dst); + break; + case GGML_OP_DUP: + ggml_cann_dup(ctx, dst); + break; + case GGML_OP_ADD: + ggml_cann_add(ctx, dst); + break; + case GGML_OP_ACC: + ggml_cann_acc(ctx, dst); + break; + case GGML_OP_MUL: + ggml_cann_mul_div(ctx, dst); + break; + case GGML_OP_DIV: + ggml_cann_mul_div(ctx, dst); + break; + case GGML_OP_UNARY: + switch (ggml_get_unary_op(dst)) { + case GGML_UNARY_OP_GELU: + ggml_cann_activation( + ctx, dst); + break; + case GGML_UNARY_OP_SILU: + ggml_cann_activation( + ctx, dst); + break; + // TODO: Use faster gelu?? + case GGML_UNARY_OP_GELU_QUICK: + ggml_cann_activation( + ctx, dst); + break; + case GGML_UNARY_OP_TANH: + ggml_cann_activation( + ctx, dst); + break; + case GGML_UNARY_OP_RELU: + ggml_cann_activation( + ctx, dst); + break; + case GGML_UNARY_OP_HARDSIGMOID: + ggml_cann_activation(ctx, dst); + break; + case GGML_UNARY_OP_HARDSWISH: + ggml_cann_activation(ctx, dst); + break; + default: + return false; + } + break; + case GGML_OP_NORM: + ggml_cann_norm(ctx, dst); + break; + case GGML_OP_GROUP_NORM: + ggml_cann_group_norm(ctx, dst); + break; + case GGML_OP_CONCAT: + ggml_cann_concat(ctx, dst); + break; + case GGML_OP_UPSCALE: + ggml_cann_upsample_nearest2d(ctx, dst); + break; + case GGML_OP_PAD: + ggml_cann_pad(ctx, dst); + break; + case GGML_OP_ARANGE: + ggml_cann_arange(ctx, dst); + break; + case GGML_OP_TIMESTEP_EMBEDDING: + ggml_cann_timestep_embedding(ctx, dst); + break; + case GGML_OP_LEAKY_RELU: + ggml_cann_leaky_relu(ctx, dst); + break; + case GGML_OP_RMS_NORM: + ggml_cann_rms_norm(ctx, dst); + break; + case GGML_OP_MUL_MAT: + ggml_cann_mul_mat(ctx, dst); + break; + case GGML_OP_MUL_MAT_ID: + return false; + case GGML_OP_SCALE: + ggml_cann_scale(ctx, dst); + break; + case GGML_OP_SQR: + ggml_cann_sqr(ctx, dst); + break; + case GGML_OP_CLAMP: + ggml_cann_clamp(ctx, dst); + break; + case GGML_OP_CPY: + ggml_cann_cpy(ctx, dst); + break; + case GGML_OP_CONT: + ggml_cann_dup(ctx, dst); + break; + case GGML_OP_NONE: + case GGML_OP_RESHAPE: + case GGML_OP_VIEW: + case GGML_OP_PERMUTE: + case GGML_OP_TRANSPOSE: + break; + case GGML_OP_DIAG_MASK_INF: + ggml_cann_diag_mask(ctx, dst, -INFINITY); + break; + case GGML_OP_SOFT_MAX: + ggml_cann_softmax(ctx, dst); + break; + case GGML_OP_ROPE: + ggml_cann_rope(ctx, dst); + break; + case GGML_OP_IM2COL: + ggml_cann_im2col(ctx, dst); + break; + case GGML_OP_POOL_2D: + ggml_cann_pool2d(ctx, dst); + break; + case GGML_OP_SUM_ROWS: + ggml_cann_sum_rows(ctx, dst); + break; + case GGML_OP_ARGSORT: + ggml_cann_argsort(ctx, dst); + break; + default: + return false; + } + + return true; +} + +// backend +/** + * @brief Retrieves the name associated with the CANN backend. + * + * This function returns the name assigned to the CANN backend, which is stored + * in the context of the provided backend structure. + * + * @param backend Pointer to the CANN backend structure. + * @return A pointer to a constant string representing the backend name. + */ +GGML_CALL static const char* ggml_backend_cann_name(ggml_backend_t backend) { + ggml_backend_cann_context* cann_ctx = + (ggml_backend_cann_context*)backend->context; + + return cann_ctx->name.c_str(); +} + +/** + * @brief Frees resources associated with the CANN backend. + * + * This function releases resources associated with the CANN backend context + * and resets the device associated with the backend to its initial state. + * + * @param backend Pointer to the CANN backend structure to be freed. + */ +GGML_CALL static void ggml_backend_cann_free(ggml_backend_t backend) { + ggml_backend_cann_context* cann_ctx = + (ggml_backend_cann_context*)backend->context; + ACL_CHECK(aclrtSynchronizeDevice()); + ACL_CHECK(aclrtResetDevice(cann_ctx->device)); + + // finalize when last backend freed. + if (cann_ctx->device == ggml_backend_cann_get_device_count() - 1) { + ACL_CHECK(aclFinalize()); + } + + delete cann_ctx; + delete backend; +} + +/** + * @brief Retrieves the default buffer type associated with the CANN backend. + * + * This function returns the buffer type specific to the device associated + * with the CANN backend. It is used to allocate buffers for computations + * performed by the backend. + * + * @param backend Pointer to the CANN backend structure. + * @return Pointer to the buffer type structure for the CANN backend. + */ +GGML_CALL static ggml_backend_buffer_type_t +ggml_backend_cann_get_default_buffer_type(ggml_backend_t backend) { + ggml_backend_cann_context* cann_ctx = + (ggml_backend_cann_context*)backend->context; + + return ggml_backend_cann_buffer_type(cann_ctx->device); +} + +/** + * @brief Sets tensor data asynchronously in the CANN backend. + * + * This function asynchronously sets tensor data in the CANN backend. Depending + * on the tensor type, it may perform data transformations before copying data + * to the device. + * + * @param backend Pointer to the CANN backend structure. + * @param tensor Pointer to the tensor structure to set data for. + * @param data Pointer to the host data to copy to the tensor. + * @param offset Offset in bytes within the host data. + * @param size Size of the data to copy in bytes. + */ +GGML_CALL static void ggml_backend_cann_set_tensor_async(ggml_backend_t backend, + ggml_tensor* tensor, + const void* data, + size_t offset, + size_t size) { + ggml_backend_cann_context* cann_ctx = + (ggml_backend_cann_context*)backend->context; + + if (!need_transform(tensor->type)) { + ACL_CHECK(aclrtMemcpyAsync( + tensor->data, size, (const char*)data + offset, size, + ACL_MEMCPY_HOST_TO_DEVICE, cann_ctx->stream())); + } else { + void* transform_buffer = malloc(size); + ggml_backend_cann_transform(tensor, (const char*)data + offset, + transform_buffer); + +#ifndef NDEBUG + void* check_buffer = malloc(size); + ggml_backend_cann_transform_back(tensor, transform_buffer, + check_buffer); + GGML_ASSERT(memcmp((const char*)data + offset, check_buffer, size)); + free(check_buffer); +#endif + ACL_CHECK(aclrtMemcpyAsync(tensor->data, size, transform_buffer, size, + ACL_MEMCPY_HOST_TO_DEVICE, + cann_ctx->stream())); + ACL_CHECK(aclrtSynchronizeStream(cann_ctx->stream())); + free(transform_buffer); + } +} + +GGML_CALL static void ggml_backend_cann_get_tensor_async( + ggml_backend_t backend, const ggml_tensor* tensor, void* data, + size_t offset, size_t size) { + ggml_backend_cann_context* cann_ctx = + (ggml_backend_cann_context*)backend->context; + ggml_backend_buffer_t buf = + tensor->view_src ? tensor->view_src->buffer : tensor->buffer; + + GGML_ASSERT(buf->buft == ggml_backend_cann_buffer_type(cann_ctx->device) && + "unsupported buffer type"); + + if (!need_transform(tensor->type)) { + ACL_CHECK(aclrtMemcpyAsync((char*)data + offset, size, tensor->data, + size, ACL_MEMCPY_DEVICE_TO_HOST, + cann_ctx->stream())); + } else { + void* transform_buffer = malloc(size); + ACL_CHECK(aclrtMemcpyAsync(transform_buffer, size, tensor->data, size, + ACL_MEMCPY_DEVICE_TO_HOST, + cann_ctx->stream())); + ACL_CHECK(aclrtSynchronizeStream(cann_ctx->stream())); + ggml_backend_cann_transform_back(tensor, transform_buffer, + (char*)data + offset); + free(transform_buffer); + } +} + +/** + * @brief Asynchronously copies tensor data between CANN backends. + * + * This function copies tensor data asynchronously between two CANN backends. It + * checks if both tensors reside in CANN buffers and whether the devices support + * peer-to-peer access for direct copying. If not, it returns false. + * + * @param backend_src Pointer to the source CANN backend structure. + * @param backend_dst Pointer to the destination CANN backend structure. + * @param src Pointer to the source tensor to copy data from. + * @param dst Pointer to the destination tensor to copy data to. + * @return true if the copy operation succeeds, false otherwise. + */ +GGML_CALL static bool ggml_backend_cann_cpy_tensor_async( + ggml_backend_t backend_src, ggml_backend_t backend_dst, + const ggml_tensor* src, ggml_tensor* dst) { + GGML_ASSERT(ggml_backend_is_cann(backend_src) || + ggml_backend_is_cann(backend_dst)); + + if (!ggml_backend_buffer_is_cann(src->buffer) || + !ggml_backend_buffer_is_cann(dst->buffer)) { + return false; + } + + ggml_backend_buffer_t buf_src = + src->view_src ? src->view_src->buffer : src->buffer; + ggml_backend_buffer_t buf_dst = + dst->view_src ? dst->view_src->buffer : dst->buffer; + + ggml_backend_cann_context* cann_ctx_src = + (ggml_backend_cann_context*)backend_src->context; + ggml_backend_cann_context* cann_ctx_dst = + (ggml_backend_cann_context*)backend_dst->context; + + size_t copy_size = ggml_nbytes(dst); + if (backend_src != backend_dst) { + ggml_backend_cann_buffer_context* buf_ctx_src = + (ggml_backend_cann_buffer_context*)buf_src->context; + ggml_backend_cann_buffer_context* buf_ctx_dst = + (ggml_backend_cann_buffer_context*)buf_dst->context; + + GGML_ASSERT(cann_ctx_src->device == buf_ctx_src->device); + GGML_ASSERT(cann_ctx_dst->device == buf_ctx_dst->device); + + int32_t canAccessPeer = 0; + ACL_CHECK(aclrtDeviceCanAccessPeer(&canAccessPeer, cann_ctx_src->device, + cann_ctx_dst->device)); + if (!canAccessPeer) { + return false; + } + + ggml_cann_set_device(cann_ctx_src->device); + ACL_CHECK(aclrtDeviceEnablePeerAccess(cann_ctx_dst->device, 0)); + ACL_CHECK(aclrtMemcpyAsync(dst->data, copy_size, src->data, copy_size, + ACL_MEMCPY_DEVICE_TO_DEVICE, + cann_ctx_dst->stream())); + + // record event on src stream + if (!cann_ctx_src->copy_event) { + ACL_CHECK(aclrtCreateEvent(&cann_ctx_src->copy_event)); + } + + ACL_CHECK( + aclrtRecordEvent(cann_ctx_src->copy_event, cann_ctx_src->stream())); + + // wait on dst stream for the copy to complete + ACL_CHECK(aclrtStreamWaitEvent(cann_ctx_dst->stream(), + cann_ctx_src->copy_event)); + } else { + // src and dst are on the same backend + ACL_CHECK(aclrtMemcpyAsync(dst->data, copy_size, src->data, copy_size, + ACL_MEMCPY_DEVICE_TO_DEVICE, + cann_ctx_dst->stream())); + } + + return true; +} + +/** + * @brief Synchronizes a CANN backend. + * + * This function synchronizes the specified CANN backend by waiting for all + * operations in its associated stream to complete. + * + * @param backend Pointer to the CANN backend structure to synchronize. + */ +GGML_CALL static void ggml_backend_cann_synchronize(ggml_backend_t backend) { + ggml_backend_cann_context* cann_ctx = + (ggml_backend_cann_context*)backend->context; + + ggml_cann_set_device(cann_ctx->device); + + ACL_CHECK(aclrtSynchronizeStream(cann_ctx->stream())); +} + +/** + * @brief Computes a computational graph using a CANN backend. + * + * This function computes the operations defined in the computational graph + * using the specified CANN backend. + * + * @param backend Pointer to the CANN backend structure to use for computation. + * @param cgraph Pointer to the computational graph structure containing nodes + * representing operations to be computed. + * @return enum ggml_status Returns GGML_STATUS_SUCCESS if computation + * completes successfully, otherwise an appropriate error status. + */ +GGML_CALL static enum ggml_status ggml_backend_cann_graph_compute( + ggml_backend_t backend, ggml_cgraph* cgraph) { + ggml_backend_cann_context* cann_ctx = + (ggml_backend_cann_context*)backend->context; + + ggml_cann_set_device(cann_ctx->device); + + for (int i = 0; i < cgraph->n_nodes; i++) { + ggml_tensor* node = cgraph->nodes[i]; + + if (ggml_is_empty(node) || node->op == GGML_OP_NONE) { + continue; + } + + bool ok = ggml_cann_compute_forward(*cann_ctx, node); + + if (!ok) { + GGML_CANN_LOG_ERROR("%s: error: op not supported %s (%s)\n", __func__, + node->name, ggml_op_name(node->op)); + } + GGML_ASSERT(ok); + } + + return GGML_STATUS_SUCCESS; +} + +/** + * @brief Checks if the CANN backend supports a specific operation. + * + * This function checks whether the specified operation is supported by the + * CANN backend. + * + * @param backend Pointer to the CANN backend structure to check support for + * the operation. + * @param op Pointer to the tensor representing the operation to check. + * @return bool Returns true if the operation is supported by the backend, + * otherwise false. + */ +GGML_CALL static bool ggml_backend_cann_supports_op(ggml_backend_t backend, + const ggml_tensor* op) { + switch (op->op) { + case GGML_OP_UNARY: + switch (ggml_get_unary_op(op)) { + case GGML_UNARY_OP_GELU: + case GGML_UNARY_OP_SILU: + case GGML_UNARY_OP_RELU: + case GGML_UNARY_OP_HARDSIGMOID: + case GGML_UNARY_OP_HARDSWISH: + case GGML_UNARY_OP_GELU_QUICK: + case GGML_UNARY_OP_TANH: + return true; + default: + return false; + } + case GGML_OP_MUL_MAT: { + switch (op->src[0]->type) { + // case GGML_TYPE_Q4_0: + case GGML_TYPE_F16: + case GGML_TYPE_F32: + case GGML_TYPE_Q8_0: + return true; + default: + return false; + } + } + case GGML_OP_MUL_MAT_ID: + return false; + // embedding + case GGML_OP_GET_ROWS: { + switch (op->src[0]->type) { + case GGML_TYPE_F32: + case GGML_TYPE_F16: + case GGML_TYPE_Q4_0: + case GGML_TYPE_Q8_0: + return true; + default: + return false; + } + } break; + case GGML_OP_CPY: { + switch (op->type) { + case GGML_TYPE_F32: + case GGML_TYPE_F16: + case GGML_TYPE_Q8_0: + return true; + default: + return false; + } + } + case GGML_OP_DUP: + case GGML_OP_REPEAT: + case GGML_OP_CONCAT: + case GGML_OP_NONE: + case GGML_OP_RESHAPE: + case GGML_OP_VIEW: + case GGML_OP_PERMUTE: + case GGML_OP_TRANSPOSE: + case GGML_OP_NORM: + case GGML_OP_ADD: + case GGML_OP_MUL: + case GGML_OP_DIV: + case GGML_OP_RMS_NORM: + case GGML_OP_SCALE: + case GGML_OP_SQR: + case GGML_OP_CLAMP: + case GGML_OP_CONT: + case GGML_OP_DIAG_MASK_INF: + case GGML_OP_SOFT_MAX: + case GGML_OP_ROPE: + case GGML_OP_IM2COL: + case GGML_OP_POOL_2D: + case GGML_OP_SUM_ROWS: + case GGML_OP_ARGSORT: + case GGML_OP_ACC: + case GGML_OP_GROUP_NORM: + case GGML_OP_UPSCALE: + case GGML_OP_PAD: + case GGML_OP_ARANGE: + case GGML_OP_TIMESTEP_EMBEDDING: + case GGML_OP_LEAKY_RELU: + return true; + default: + return false; + } + + GGML_UNUSED(backend); +} + +/** + * @brief Checks if the backend buffer type is associated with the CANN backend. + * + * This function checks whether the provided backend buffer type is associated + * with the CANN backend based on the comparison of its name retrieval function + * pointer. + * + * @param buft Pointer to the backend buffer type to check. + * @return bool Returns true if the buffer type is associated with the CANN + * backend, otherwise false. + */ +static bool ggml_backend_buft_is_cann(ggml_backend_buffer_type_t buft) { + return buft->iface.get_name == ggml_backend_cann_buffer_type_name; +} + +/** + * @brief Checks if the CANN backend supports a specific backend buffer type. + * + * This function determines whether the CANN backend supports the given backend + * buffer type by comparing the device context of the backend and buffer type. + * It returns true if the device associated with the buffer type matches the + * device associated with the backend. + * + * @param backend Pointer to the CANN backend. + * @param buft Pointer to the backend buffer type to check. + * @return bool Returns true if the CANN backend supports the buffer type, + * otherwise false. + */ +GGML_CALL static bool ggml_backend_cann_supports_buft( + ggml_backend_t backend, ggml_backend_buffer_type_t buft) { + return buft->iface.get_name == ggml_backend_cann_buffer_type_name; + + GGML_UNUSED(backend); +} + +/** + * @brief Determines if a tensor operation should be offloaded to the CANN + * backend. + * + * This function checks if a given tensor operation should be offloaded to the + * CANN backend based on the operation type and the size of the tensor. It + * returns true if the second dimension (ne[1]) of the tensor is greater than or + * equal to the minimum batch size and the operation is not GGML_OP_GET_ROWS. + * + * @param backend Pointer to the CANN backend. + * @param op Pointer to the tensor operation to check. + * @return bool Returns true if the operation should be offloaded, otherwise + * false. + */ +GGML_CALL static bool ggml_backend_cann_offload_op(ggml_backend_t backend, + const ggml_tensor* op) { + const int min_batch_size = 32; + GGML_UNUSED(backend); + + return op->ne[1] >= min_batch_size && op->op != GGML_OP_GET_ROWS; +} + +/** + * @brief Creates a new event for the CANN backend. + * + * This function initializes a new event for the CANN backend by setting the + * device and creating an ACL runtime event. The created event is then wrapped + * in a ggml_backend_event structure and returned. + * + * @param backend Pointer to the CANN backend. + * @return ggml_backend_event_t Returns a pointer to the new event structure. + */ +static ggml_backend_event_t ggml_backend_cann_event_new( + ggml_backend_t backend) { + ggml_backend_cann_context* cann_ctx = + (ggml_backend_cann_context*)backend->context; + + ggml_cann_set_device(cann_ctx->device); + + aclrtEvent event; + ACL_CHECK(aclrtCreateEvent(&event)); + + return new ggml_backend_event{ + /* .backend = */ backend, + /* .context = */ event, + }; +} + +/** + * @brief Frees a CANN backend event. + * + * This function destroys the ACL runtime event associated with the given CANN + * backend event and then deletes the event structure itself. + * + * @param event Pointer to the event structure to be freed. + */ +static void ggml_backend_cann_event_free(ggml_backend_event_t event) { + ACL_CHECK(aclrtDestroyEvent((aclrtEvent)event->context)); + + delete event; +} + +/** + * @brief Records an event on the CANN backend stream. + * + * This function records the given event on the ACL runtime stream associated + * with the backend context. + * + * @param event Pointer to the event structure to be recorded. + */ +static void ggml_backend_cann_event_record(ggml_backend_event_t event) { + ggml_backend_cann_context* cann_ctx = + (ggml_backend_cann_context*)event->backend->context; + + ACL_CHECK(aclrtRecordEvent((aclrtEvent)event->context, cann_ctx->stream())); +} + +/** + * @brief Waits for a recorded event to complete on the CANN backend stream. + * + * This function makes the given backend wait for the event to complete on its + * ACL runtime stream. + * + * @param backend Pointer to the backend structure. + * @param event Pointer to the event structure that the backend needs to wait + * for. + */ +static void ggml_backend_cann_event_wait(ggml_backend_t backend, + ggml_backend_event_t event) { + ggml_backend_cann_context* cann_ctx = + (ggml_backend_cann_context*)backend->context; + + if (ggml_backend_is_cann(event->backend)) { + ACL_CHECK(aclrtStreamWaitEvent(cann_ctx->stream(), + (aclrtEvent)event->context)); + } else { + GGML_ASSERT(false); + } +} + +/** + * @brief Synchronizes the given event on the CANN backend. + * + * This function waits for the specified event to complete on the ACL runtime. + * + * @param event Pointer to the event structure to be synchronized. + */ +static void ggml_backend_cann_event_synchronize(ggml_backend_event_t event) { + ACL_CHECK(aclrtSynchronizeEvent((aclrtEvent)event->context)); +} + +/** + * @brief Structure defining the interface for the CANN backend. + * + * This structure contains function pointers for various operations + * supported by the CANN backend, including name retrieval, memory + * management, tensor operations, synchronization, and event handling. + */ +static ggml_backend_i ggml_backend_cann_interface = { + /* .get_name = */ ggml_backend_cann_name, + /* .free = */ ggml_backend_cann_free, + /* .get_default_buffer_type = */ ggml_backend_cann_get_default_buffer_type, + /* .set_tensor_async = */ ggml_backend_cann_set_tensor_async, + /* .get_tensor_async = */ ggml_backend_cann_get_tensor_async, + /* .cpy_tensor_async = */ ggml_backend_cann_cpy_tensor_async, + /* .synchronize = */ ggml_backend_cann_synchronize, + /* .graph_plan_create = */ NULL, + /* .graph_plan_free = */ NULL, + /* .graph_plan_update = */ NULL, + /* .graph_plan_compute = */ NULL, + /* .graph_compute = */ ggml_backend_cann_graph_compute, + /* .supports_op = */ ggml_backend_cann_supports_op, + /* .supports_buft = */ ggml_backend_cann_supports_buft, + /* .offload_op = */ ggml_backend_cann_offload_op, + /* .event_new = */ ggml_backend_cann_event_new, + /* .event_free = */ ggml_backend_cann_event_free, + /* .event_record = */ ggml_backend_cann_event_record, + /* .event_wait = */ ggml_backend_cann_event_wait, + /* .event_synchronize = */ ggml_backend_cann_event_synchronize, +}; + +/** + * @brief Return the hardcoded GUID for the CANN backend. + * + * This function returns a static GUID which uniquely identifies the CANN + * backend. + * + * @return A pointer to the static GUID. + */ +static ggml_guid_t ggml_backend_cann_guid() { + static ggml_guid guid = {0xa1, 0x94, 0xaf, 0xac, 0xbd, 0x4f, 0x47, 0x34, + 0xbe, 0x1a, 0x9e, 0x71, 0x1f, 0x9e, 0xed, 0x64}; + return &guid; +} + +GGML_CALL ggml_backend_t ggml_backend_cann_init(int32_t device) { + aclInit(nullptr); + if (device < 0 || device >= ggml_backend_cann_get_device_count()) { + GGML_CANN_LOG_ERROR("%s: error: invalid device %d\n", __func__, device); + return nullptr; + } + + ggml_backend_cann_context* ctx = new ggml_backend_cann_context(device); + if (ctx == nullptr) { + GGML_CANN_LOG_ERROR("%s: error: failed to allocate context\n", __func__); + return nullptr; + } + + ggml_backend_t cann_backend = + new ggml_backend{/* .guid = */ ggml_backend_cann_guid(), + /* .interface = */ ggml_backend_cann_interface, + /* .context = */ ctx}; + + return cann_backend; +} + +GGML_CALL bool ggml_backend_is_cann(ggml_backend_t backend) { + return backend != NULL && + ggml_guid_matches(backend->guid, ggml_backend_cann_guid()); +} + +GGML_CALL int32_t ggml_backend_cann_get_device_count() { + return ggml_cann_info().device_count; +} + +GGML_CALL void ggml_backend_cann_get_device_description( + int32_t device, char* description, size_t description_size) { + ggml_cann_set_device(device); + const char* soc_name = aclrtGetSocName(); + snprintf(description, description_size, "%s", soc_name); +} + +GGML_CALL void ggml_backend_cann_get_device_memory(int32_t device, size_t* free, + size_t* total) { + ggml_cann_set_device(device); + ACL_CHECK(aclrtGetMemInfo(ACL_HBM_MEM, free, total)); +} + +// backend registry +/** + * @brief Initializes a CANN backend based on the provided parameters. + * + * This function initializes a CANN backend using the device index and then + * initializes the backend using `ggml_backend_cann_init`. + * + * @param params Parameters for initialization (unused in this implementation). + * @param user_data User data containing the device index to initialize the + * backend. + * @return ggml_backend_t The initialized CANN backend. + */ +GGML_CALL static ggml_backend_t ggml_backend_reg_cann_init(const char* params, + void* user_data) { + ggml_backend_t cann_backend = + ggml_backend_cann_init((int)(intptr_t)user_data); + return cann_backend; + + GGML_UNUSED(params); +} + +extern "C" GGML_CALL int ggml_backend_cann_reg_devices(); + +/** + * @brief Registers CANN (Ascend) devices as backend options. + * + * This function initializes ACL, retrieves the number of available CANN + * devices, and registers each device as a backend option using + * `ggml_backend_register`. Each device is given a unique name based on + * `GGML_CANN_NAME` followed by its index. + * + * @return int The number of CANN devices registered. + */ +GGML_CALL int ggml_backend_cann_reg_devices() { + uint32_t device_count = ggml_backend_cann_get_device_count(); + // initialization + for (uint32_t i = 0; i < device_count; i++) { + char name[128]; + snprintf(name, sizeof(name), "CANN%d", i); + ggml_backend_register(name, ggml_backend_reg_cann_init, + ggml_backend_cann_buffer_type(i), + (void*)(intptr_t)i); + } + return device_count; +} diff --git a/ggml/src/ggml-cann/.clang-format b/ggml/src/ggml-cann/.clang-format new file mode 100644 index 000000000..2ad03d739 --- /dev/null +++ b/ggml/src/ggml-cann/.clang-format @@ -0,0 +1,168 @@ +--- +Language: Cpp +# BasedOnStyle: Google +AccessModifierOffset: -1 +AlignAfterOpenBracket: Align +AlignConsecutiveMacros: false +AlignConsecutiveAssignments: false +AlignConsecutiveDeclarations: false +AlignEscapedNewlines: Left +AlignOperands: true +AlignTrailingComments: true +AllowAllArgumentsOnNextLine: true +AllowAllConstructorInitializersOnNextLine: true +AllowAllParametersOfDeclarationOnNextLine: true +AllowShortBlocksOnASingleLine: Never +AllowShortCaseLabelsOnASingleLine: false +AllowShortFunctionsOnASingleLine: All +AllowShortLambdasOnASingleLine: All +AllowShortIfStatementsOnASingleLine: WithoutElse +AllowShortLoopsOnASingleLine: true +AlwaysBreakAfterDefinitionReturnType: None +AlwaysBreakAfterReturnType: None +AlwaysBreakBeforeMultilineStrings: true +AlwaysBreakTemplateDeclarations: Yes +BinPackArguments: true +BinPackParameters: true +BraceWrapping: + AfterCaseLabel: false + AfterClass: false + AfterControlStatement: false + AfterEnum: false + AfterFunction: false + AfterNamespace: false + AfterObjCDeclaration: false + AfterStruct: false + AfterUnion: false + AfterExternBlock: false + BeforeCatch: false + BeforeElse: false + IndentBraces: false + SplitEmptyFunction: true + SplitEmptyRecord: true + SplitEmptyNamespace: true +BreakBeforeBinaryOperators: None +BreakBeforeBraces: Attach +BreakBeforeInheritanceComma: false +BreakInheritanceList: BeforeColon +BreakBeforeTernaryOperators: true +BreakConstructorInitializersBeforeComma: false +BreakConstructorInitializers: BeforeColon +BreakAfterJavaFieldAnnotations: false +BreakStringLiterals: true +ColumnLimit: 80 +CommentPragmas: '^ IWYU pragma:' +CompactNamespaces: false +ConstructorInitializerAllOnOneLineOrOnePerLine: true +ConstructorInitializerIndentWidth: 4 +ContinuationIndentWidth: 4 +Cpp11BracedListStyle: true +DeriveLineEnding: true +DerivePointerAlignment: true +DisableFormat: false +ExperimentalAutoDetectBinPacking: false +FixNamespaceComments: true +ForEachMacros: + - 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Disable only in +# case of backward compatibilities issues. +# The default value is: YES. + +MARKDOWN_SUPPORT = YES + +# When the TOC_INCLUDE_HEADINGS tag is set to a non-zero value, all headings up +# to that level are automatically included in the table of contents, even if +# they do not have an id attribute. +# Note: This feature currently applies only to Markdown headings. +# Minimum value: 0, maximum value: 99, default value: 5. +# This tag requires that the tag MARKDOWN_SUPPORT is set to YES. + +TOC_INCLUDE_HEADINGS = 5 + +# When enabled doxygen tries to link words that correspond to documented +# classes, or namespaces to their corresponding documentation. Such a link can +# be prevented in individual cases by putting a % sign in front of the word or +# globally by setting AUTOLINK_SUPPORT to NO. +# The default value is: YES. + +AUTOLINK_SUPPORT = YES + +# If you use STL classes (i.e. std::string, std::vector, etc.) but do not want +# to include (a tag file for) the STL sources as input, then you should set this +# tag to YES in order to let doxygen match functions declarations and +# definitions whose arguments contain STL classes (e.g. func(std::string); +# versus func(std::string) {}). This also make the inheritance and collaboration +# diagrams that involve STL classes more complete and accurate. +# The default value is: NO. + +BUILTIN_STL_SUPPORT = NO + +# If you use Microsoft's C++/CLI language, you should set this option to YES to +# enable parsing support. +# The default value is: NO. + +CPP_CLI_SUPPORT = NO + +# Set the SIP_SUPPORT tag to YES if your project consists of sip (see: +# https://www.riverbankcomputing.com/software/sip/intro) sources only. Doxygen +# will parse them like normal C++ but will assume all classes use public instead +# of private inheritance when no explicit protection keyword is present. +# The default value is: NO. + +SIP_SUPPORT = NO + +# For Microsoft's IDL there are propget and propput attributes to indicate +# getter and setter methods for a property. Setting this option to YES will make +# doxygen to replace the get and set methods by a property in the documentation. +# This will only work if the methods are indeed getting or setting a simple +# type. If this is not the case, or you want to show the methods anyway, you +# should set this option to NO. +# The default value is: YES. + +IDL_PROPERTY_SUPPORT = YES + +# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC +# tag is set to YES then doxygen will reuse the documentation of the first +# member in the group (if any) for the other members of the group. By default +# all members of a group must be documented explicitly. +# The default value is: NO. + +DISTRIBUTE_GROUP_DOC = NO + +# If one adds a struct or class to a group and this option is enabled, then also +# any nested class or struct is added to the same group. By default this option +# is disabled and one has to add nested compounds explicitly via \ingroup. +# The default value is: NO. + +GROUP_NESTED_COMPOUNDS = NO + +# Set the SUBGROUPING tag to YES to allow class member groups of the same type +# (for instance a group of public functions) to be put as a subgroup of that +# type (e.g. under the Public Functions section). Set it to NO to prevent +# subgrouping. Alternatively, this can be done per class using the +# \nosubgrouping command. +# The default value is: YES. + +SUBGROUPING = YES + +# When the INLINE_GROUPED_CLASSES tag is set to YES, classes, structs and unions +# are shown inside the group in which they are included (e.g. using \ingroup) +# instead of on a separate page (for HTML and Man pages) or section (for LaTeX +# and RTF). +# +# Note that this feature does not work in combination with +# SEPARATE_MEMBER_PAGES. +# The default value is: NO. + +INLINE_GROUPED_CLASSES = NO + +# When the INLINE_SIMPLE_STRUCTS tag is set to YES, structs, classes, and unions +# with only public data fields or simple typedef fields will be shown inline in +# the documentation of the scope in which they are defined (i.e. file, +# namespace, or group documentation), provided this scope is documented. If set +# to NO, structs, classes, and unions are shown on a separate page (for HTML and +# Man pages) or section (for LaTeX and RTF). +# The default value is: NO. + +INLINE_SIMPLE_STRUCTS = NO + +# When TYPEDEF_HIDES_STRUCT tag is enabled, a typedef of a struct, union, or +# enum is documented as struct, union, or enum with the name of the typedef. So +# typedef struct TypeS {} TypeT, will appear in the documentation as a struct +# with name TypeT. When disabled the typedef will appear as a member of a file, +# namespace, or class. And the struct will be named TypeS. This can typically be +# useful for C code in case the coding convention dictates that all compound +# types are typedef'ed and only the typedef is referenced, never the tag name. +# The default value is: NO. + +TYPEDEF_HIDES_STRUCT = NO + +# The size of the symbol lookup cache can be set using LOOKUP_CACHE_SIZE. This +# cache is used to resolve symbols given their name and scope. Since this can be +# an expensive process and often the same symbol appears multiple times in the +# code, doxygen keeps a cache of pre-resolved symbols. If the cache is too small +# doxygen will become slower. If the cache is too large, memory is wasted. The +# cache size is given by this formula: 2^(16+LOOKUP_CACHE_SIZE). The valid range +# is 0..9, the default is 0, corresponding to a cache size of 2^16=65536 +# symbols. At the end of a run doxygen will report the cache usage and suggest +# the optimal cache size from a speed point of view. +# Minimum value: 0, maximum value: 9, default value: 0. + +LOOKUP_CACHE_SIZE = 0 + +#--------------------------------------------------------------------------- +# Build related configuration options +#--------------------------------------------------------------------------- + +# If the EXTRACT_ALL tag is set to YES, doxygen will assume all entities in +# documentation are documented, even if no documentation was available. Private +# class members and static file members will be hidden unless the +# EXTRACT_PRIVATE respectively EXTRACT_STATIC tags are set to YES. +# Note: This will also disable the warnings about undocumented members that are +# normally produced when WARNINGS is set to YES. +# The default value is: NO. + +EXTRACT_ALL = YES + +# If the EXTRACT_PRIVATE tag is set to YES, all private members of a class will +# be included in the documentation. +# The default value is: NO. + +EXTRACT_PRIVATE = YES + +# If the EXTRACT_PRIV_VIRTUAL tag is set to YES, documented private virtual +# methods of a class will be included in the documentation. +# The default value is: NO. + +EXTRACT_PRIV_VIRTUAL = YES + +# If the EXTRACT_PACKAGE tag is set to YES, all members with package or internal +# scope will be included in the documentation. +# The default value is: NO. + +EXTRACT_PACKAGE = YES + +# If the EXTRACT_STATIC tag is set to YES, all static members of a file will be +# included in the documentation. +# The default value is: NO. + +EXTRACT_STATIC = YES + +# If the EXTRACT_LOCAL_CLASSES tag is set to YES, classes (and structs) defined +# locally in source files will be included in the documentation. If set to NO, +# only classes defined in header files are included. Does not have any effect +# for Java sources. +# The default value is: YES. + +EXTRACT_LOCAL_CLASSES = YES + +# This flag is only useful for Objective-C code. If set to YES, local methods, +# which are defined in the implementation section but not in the interface are +# included in the documentation. If set to NO, only methods in the interface are +# included. +# The default value is: NO. + +EXTRACT_LOCAL_METHODS = YES + +# If this flag is set to YES, the members of anonymous namespaces will be +# extracted and appear in the documentation as a namespace called +# 'anonymous_namespace{file}', where file will be replaced with the base name of +# the file that contains the anonymous namespace. By default anonymous namespace +# are hidden. +# The default value is: NO. + +EXTRACT_ANON_NSPACES = NO + +# If the HIDE_UNDOC_MEMBERS tag is set to YES, doxygen will hide all +# undocumented members inside documented classes or files. If set to NO these +# members will be included in the various overviews, but no documentation +# section is generated. This option has no effect if EXTRACT_ALL is enabled. +# The default value is: NO. + +HIDE_UNDOC_MEMBERS = NO + +# If the HIDE_UNDOC_CLASSES tag is set to YES, doxygen will hide all +# undocumented classes that are normally visible in the class hierarchy. If set +# to NO, these classes will be included in the various overviews. This option +# has no effect if EXTRACT_ALL is enabled. +# The default value is: NO. + +HIDE_UNDOC_CLASSES = NO + +# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, doxygen will hide all friend +# declarations. If set to NO, these declarations will be included in the +# documentation. +# The default value is: NO. + +HIDE_FRIEND_COMPOUNDS = NO + +# If the HIDE_IN_BODY_DOCS tag is set to YES, doxygen will hide any +# documentation blocks found inside the body of a function. If set to NO, these +# blocks will be appended to the function's detailed documentation block. +# The default value is: NO. + +HIDE_IN_BODY_DOCS = NO + +# The INTERNAL_DOCS tag determines if documentation that is typed after a +# \internal command is included. If the tag is set to NO then the documentation +# will be excluded. Set it to YES to include the internal documentation. +# The default value is: NO. + +INTERNAL_DOCS = NO + +# If the CASE_SENSE_NAMES tag is set to NO then doxygen will only generate file +# names in lower-case letters. If set to YES, upper-case letters are also +# allowed. This is useful if you have classes or files whose names only differ +# in case and if your file system supports case sensitive file names. Windows +# (including Cygwin) ands Mac users are advised to set this option to NO. +# The default value is: system dependent. + +CASE_SENSE_NAMES = YES + +# If the HIDE_SCOPE_NAMES tag is set to NO then doxygen will show members with +# their full class and namespace scopes in the documentation. If set to YES, the +# scope will be hidden. +# The default value is: NO. + +HIDE_SCOPE_NAMES = NO + +# If the HIDE_COMPOUND_REFERENCE tag is set to NO (default) then doxygen will +# append additional text to a page's title, such as Class Reference. If set to +# YES the compound reference will be hidden. +# The default value is: NO. + +HIDE_COMPOUND_REFERENCE= NO + +# If the SHOW_INCLUDE_FILES tag is set to YES then doxygen will put a list of +# the files that are included by a file in the documentation of that file. +# The default value is: YES. + +SHOW_INCLUDE_FILES = YES + +# If the SHOW_GROUPED_MEMB_INC tag is set to YES then Doxygen will add for each +# grouped member an include statement to the documentation, telling the reader +# which file to include in order to use the member. +# The default value is: NO. + +SHOW_GROUPED_MEMB_INC = NO + +# If the FORCE_LOCAL_INCLUDES tag is set to YES then doxygen will list include +# files with double quotes in the documentation rather than with sharp brackets. +# The default value is: NO. + +FORCE_LOCAL_INCLUDES = NO + +# If the INLINE_INFO tag is set to YES then a tag [inline] is inserted in the +# documentation for inline members. +# The default value is: YES. + +INLINE_INFO = YES + +# If the SORT_MEMBER_DOCS tag is set to YES then doxygen will sort the +# (detailed) documentation of file and class members alphabetically by member +# name. If set to NO, the members will appear in declaration order. +# The default value is: YES. + +SORT_MEMBER_DOCS = YES + +# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the brief +# descriptions of file, namespace and class members alphabetically by member +# name. If set to NO, the members will appear in declaration order. Note that +# this will also influence the order of the classes in the class list. +# The default value is: NO. + +SORT_BRIEF_DOCS = NO + +# If the SORT_MEMBERS_CTORS_1ST tag is set to YES then doxygen will sort the +# (brief and detailed) documentation of class members so that constructors and +# destructors are listed first. If set to NO the constructors will appear in the +# respective orders defined by SORT_BRIEF_DOCS and SORT_MEMBER_DOCS. +# Note: If SORT_BRIEF_DOCS is set to NO this option is ignored for sorting brief +# member documentation. +# Note: If SORT_MEMBER_DOCS is set to NO this option is ignored for sorting +# detailed member documentation. +# The default value is: NO. + +SORT_MEMBERS_CTORS_1ST = NO + +# If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the hierarchy +# of group names into alphabetical order. If set to NO the group names will +# appear in their defined order. +# The default value is: NO. + +SORT_GROUP_NAMES = NO + +# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be sorted by +# fully-qualified names, including namespaces. If set to NO, the class list will +# be sorted only by class name, not including the namespace part. +# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES. +# Note: This option applies only to the class list, not to the alphabetical +# list. +# The default value is: NO. + +SORT_BY_SCOPE_NAME = NO + +# If the STRICT_PROTO_MATCHING option is enabled and doxygen fails to do proper +# type resolution of all parameters of a function it will reject a match between +# the prototype and the implementation of a member function even if there is +# only one candidate or it is obvious which candidate to choose by doing a +# simple string match. By disabling STRICT_PROTO_MATCHING doxygen will still +# accept a match between prototype and implementation in such cases. +# The default value is: NO. + +STRICT_PROTO_MATCHING = NO + +# The GENERATE_TODOLIST tag can be used to enable (YES) or disable (NO) the todo +# list. This list is created by putting \todo commands in the documentation. +# The default value is: YES. + +GENERATE_TODOLIST = YES + +# The GENERATE_TESTLIST tag can be used to enable (YES) or disable (NO) the test +# list. This list is created by putting \test commands in the documentation. +# The default value is: YES. + +GENERATE_TESTLIST = YES + +# The GENERATE_BUGLIST tag can be used to enable (YES) or disable (NO) the bug +# list. This list is created by putting \bug commands in the documentation. +# The default value is: YES. + +GENERATE_BUGLIST = YES + +# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or disable (NO) +# the deprecated list. This list is created by putting \deprecated commands in +# the documentation. +# The default value is: YES. + +GENERATE_DEPRECATEDLIST= YES + +# The ENABLED_SECTIONS tag can be used to enable conditional documentation +# sections, marked by \if ... \endif and \cond +# ... \endcond blocks. + +ENABLED_SECTIONS = + +# The MAX_INITIALIZER_LINES tag determines the maximum number of lines that the +# initial value of a variable or macro / define can have for it to appear in the +# documentation. If the initializer consists of more lines than specified here +# it will be hidden. Use a value of 0 to hide initializers completely. The +# appearance of the value of individual variables and macros / defines can be +# controlled using \showinitializer or \hideinitializer command in the +# documentation regardless of this setting. +# Minimum value: 0, maximum value: 10000, default value: 30. + +MAX_INITIALIZER_LINES = 30 + +# Set the SHOW_USED_FILES tag to NO to disable the list of files generated at +# the bottom of the documentation of classes and structs. If set to YES, the +# list will mention the files that were used to generate the documentation. +# The default value is: YES. + +SHOW_USED_FILES = YES + +# Set the SHOW_FILES tag to NO to disable the generation of the Files page. This +# will remove the Files entry from the Quick Index and from the Folder Tree View +# (if specified). +# The default value is: YES. + +SHOW_FILES = YES + +# Set the SHOW_NAMESPACES tag to NO to disable the generation of the Namespaces +# page. This will remove the Namespaces entry from the Quick Index and from the +# Folder Tree View (if specified). +# The default value is: YES. + +SHOW_NAMESPACES = YES + +# The FILE_VERSION_FILTER tag can be used to specify a program or script that +# doxygen should invoke to get the current version for each file (typically from +# the version control system). Doxygen will invoke the program by executing (via +# popen()) the command command input-file, where command is the value of the +# FILE_VERSION_FILTER tag, and input-file is the name of an input file provided +# by doxygen. Whatever the program writes to standard output is used as the file +# version. For an example see the documentation. + +FILE_VERSION_FILTER = + +# The LAYOUT_FILE tag can be used to specify a layout file which will be parsed +# by doxygen. The layout file controls the global structure of the generated +# output files in an output format independent way. To create the layout file +# that represents doxygen's defaults, run doxygen with the -l option. You can +# optionally specify a file name after the option, if omitted DoxygenLayout.xml +# will be used as the name of the layout file. +# +# Note that if you run doxygen from a directory containing a file called +# DoxygenLayout.xml, doxygen will parse it automatically even if the LAYOUT_FILE +# tag is left empty. + +LAYOUT_FILE = + +# The CITE_BIB_FILES tag can be used to specify one or more bib files containing +# the reference definitions. This must be a list of .bib files. The .bib +# extension is automatically appended if omitted. This requires the bibtex tool +# to be installed. See also https://en.wikipedia.org/wiki/BibTeX for more info. +# For LaTeX the style of the bibliography can be controlled using +# LATEX_BIB_STYLE. To use this feature you need bibtex and perl available in the +# search path. See also \cite for info how to create references. + +CITE_BIB_FILES = + +#--------------------------------------------------------------------------- +# Configuration options related to warning and progress messages +#--------------------------------------------------------------------------- + +# The QUIET tag can be used to turn on/off the messages that are generated to +# standard output by doxygen. If QUIET is set to YES this implies that the +# messages are off. +# The default value is: NO. + +QUIET = NO + +# The WARNINGS tag can be used to turn on/off the warning messages that are +# generated to standard error (stderr) by doxygen. If WARNINGS is set to YES +# this implies that the warnings are on. +# +# Tip: Turn warnings on while writing the documentation. +# The default value is: YES. + +WARNINGS = YES + +# If the WARN_IF_UNDOCUMENTED tag is set to YES then doxygen will generate +# warnings for undocumented members. If EXTRACT_ALL is set to YES then this flag +# will automatically be disabled. +# The default value is: YES. + +WARN_IF_UNDOCUMENTED = YES + +# If the WARN_IF_DOC_ERROR tag is set to YES, doxygen will generate warnings for +# potential errors in the documentation, such as not documenting some parameters +# in a documented function, or documenting parameters that don't exist or using +# markup commands wrongly. +# The default value is: YES. + +WARN_IF_DOC_ERROR = YES + +# This WARN_NO_PARAMDOC option can be enabled to get warnings for functions that +# are documented, but have no documentation for their parameters or return +# value. If set to NO, doxygen will only warn about wrong or incomplete +# parameter documentation, but not about the absence of documentation. If +# EXTRACT_ALL is set to YES then this flag will automatically be disabled. +# The default value is: NO. + +WARN_NO_PARAMDOC = NO + +# If the WARN_AS_ERROR tag is set to YES then doxygen will immediately stop when +# a warning is encountered. +# The default value is: NO. + +WARN_AS_ERROR = NO + +# The WARN_FORMAT tag determines the format of the warning messages that doxygen +# can produce. The string should contain the $file, $line, and $text tags, which +# will be replaced by the file and line number from which the warning originated +# and the warning text. Optionally the format may contain $version, which will +# be replaced by the version of the file (if it could be obtained via +# FILE_VERSION_FILTER) +# The default value is: $file:$line: $text. + +WARN_FORMAT = "$file:$line: $text" + +# The WARN_LOGFILE tag can be used to specify a file to which warning and error +# messages should be written. If left blank the output is written to standard +# error (stderr). + +WARN_LOGFILE = + +#--------------------------------------------------------------------------- +# Configuration options related to the input files +#--------------------------------------------------------------------------- + +# The INPUT tag is used to specify the files and/or directories that contain +# documented source files. You may enter file names like myfile.cpp or +# directories like /usr/src/myproject. Separate the files or directories with +# spaces. See also FILE_PATTERNS and EXTENSION_MAPPING +# Note: If this tag is empty the current directory is searched. + +INPUT = + +# This tag can be used to specify the character encoding of the source files +# that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses +# libiconv (or the iconv built into libc) for the transcoding. See the libiconv +# documentation (see: https://www.gnu.org/software/libiconv/) for the list of +# possible encodings. +# The default value is: UTF-8. + +INPUT_ENCODING = UTF-8 + +# If the value of the INPUT tag contains directories, you can use the +# FILE_PATTERNS tag to specify one or more wildcard patterns (like *.cpp and +# *.h) to filter out the source-files in the directories. +# +# Note that for custom extensions or not directly supported extensions you also +# need to set EXTENSION_MAPPING for the extension otherwise the files are not +# read by doxygen. +# +# If left blank the following patterns are tested:*.c, *.cc, *.cxx, *.cpp, +# *.c++, *.java, *.ii, *.ixx, *.ipp, *.i++, *.inl, *.idl, *.ddl, *.odl, *.h, +# *.hh, *.hxx, *.hpp, *.h++, *.cs, *.d, *.php, *.php4, *.php5, *.phtml, *.inc, +# *.m, *.markdown, *.md, *.mm, *.dox (to be provided as doxygen C comment), +# *.doc (to be provided as doxygen C comment), *.txt (to be provided as doxygen +# C comment), *.py, *.pyw, *.f90, *.f95, *.f03, *.f08, *.f, *.for, *.tcl, *.vhd, +# *.vhdl, *.ucf, *.qsf and *.ice. + +FILE_PATTERNS = *.c \ + *.cc \ + *.cxx \ + *.cpp \ + *.c++ \ + *.java \ + *.ii \ + *.ixx \ + *.ipp \ + *.i++ \ + *.inl \ + *.idl \ + *.ddl \ + *.odl \ + *.h \ + *.hh \ + *.hxx \ + *.hpp \ + *.h++ \ + *.cs \ + *.d \ + *.php \ + *.php4 \ + *.php5 \ + *.phtml \ + *.inc \ + *.m \ + *.markdown \ + *.md \ + *.mm \ + *.dox \ + *.doc \ + *.txt \ + *.py \ + *.pyw \ + *.f90 \ + *.f95 \ + *.f03 \ + *.f08 \ + *.f \ + *.for \ + *.tcl \ + *.vhd \ + *.vhdl \ + *.ucf \ + *.qsf \ + *.ice + +# The RECURSIVE tag can be used to specify whether or not subdirectories should +# be searched for input files as well. +# The default value is: NO. + +RECURSIVE = YES + +# The EXCLUDE tag can be used to specify files and/or directories that should be +# excluded from the INPUT source files. This way you can easily exclude a +# subdirectory from a directory tree whose root is specified with the INPUT tag. +# +# Note that relative paths are relative to the directory from which doxygen is +# run. + +EXCLUDE = + +# The EXCLUDE_SYMLINKS tag can be used to select whether or not files or +# directories that are symbolic links (a Unix file system feature) are excluded +# from the input. +# The default value is: NO. + +EXCLUDE_SYMLINKS = NO + +# If the value of the INPUT tag contains directories, you can use the +# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude +# certain files from those directories. +# +# Note that the wildcards are matched against the file with absolute path, so to +# exclude all test directories for example use the pattern */test/* + +EXCLUDE_PATTERNS = + +# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names +# (namespaces, classes, functions, etc.) that should be excluded from the +# output. The symbol name can be a fully qualified name, a word, or if the +# wildcard * is used, a substring. Examples: ANamespace, AClass, +# AClass::ANamespace, ANamespace::*Test +# +# Note that the wildcards are matched against the file with absolute path, so to +# exclude all test directories use the pattern */test/* + +EXCLUDE_SYMBOLS = + +# The EXAMPLE_PATH tag can be used to specify one or more files or directories +# that contain example code fragments that are included (see the \include +# command). + +EXAMPLE_PATH = + +# If the value of the EXAMPLE_PATH tag contains directories, you can use the +# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp and +# *.h) to filter out the source-files in the directories. If left blank all +# files are included. + +EXAMPLE_PATTERNS = * + +# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be +# searched for input files to be used with the \include or \dontinclude commands +# irrespective of the value of the RECURSIVE tag. +# The default value is: NO. + +EXAMPLE_RECURSIVE = NO + +# The IMAGE_PATH tag can be used to specify one or more files or directories +# that contain images that are to be included in the documentation (see the +# \image command). + +IMAGE_PATH = + +# The INPUT_FILTER tag can be used to specify a program that doxygen should +# invoke to filter for each input file. Doxygen will invoke the filter program +# by executing (via popen()) the command: +# +# +# +# where is the value of the INPUT_FILTER tag, and is the +# name of an input file. Doxygen will then use the output that the filter +# program writes to standard output. If FILTER_PATTERNS is specified, this tag +# will be ignored. +# +# Note that the filter must not add or remove lines; it is applied before the +# code is scanned, but not when the output code is generated. If lines are added +# or removed, the anchors will not be placed correctly. +# +# Note that for custom extensions or not directly supported extensions you also +# need to set EXTENSION_MAPPING for the extension otherwise the files are not +# properly processed by doxygen. + +INPUT_FILTER = + +# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern +# basis. Doxygen will compare the file name with each pattern and apply the +# filter if there is a match. The filters are a list of the form: pattern=filter +# (like *.cpp=my_cpp_filter). See INPUT_FILTER for further information on how +# filters are used. If the FILTER_PATTERNS tag is empty or if none of the +# patterns match the file name, INPUT_FILTER is applied. +# +# Note that for custom extensions or not directly supported extensions you also +# need to set EXTENSION_MAPPING for the extension otherwise the files are not +# properly processed by doxygen. + +FILTER_PATTERNS = + +# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using +# INPUT_FILTER) will also be used to filter the input files that are used for +# producing the source files to browse (i.e. when SOURCE_BROWSER is set to YES). +# The default value is: NO. + +FILTER_SOURCE_FILES = NO + +# The FILTER_SOURCE_PATTERNS tag can be used to specify source filters per file +# pattern. A pattern will override the setting for FILTER_PATTERN (if any) and +# it is also possible to disable source filtering for a specific pattern using +# *.ext= (so without naming a filter). +# This tag requires that the tag FILTER_SOURCE_FILES is set to YES. + +FILTER_SOURCE_PATTERNS = + +# If the USE_MDFILE_AS_MAINPAGE tag refers to the name of a markdown file that +# is part of the input, its contents will be placed on the main page +# (index.html). This can be useful if you have a project on for instance GitHub +# and want to reuse the introduction page also for the doxygen output. + +USE_MDFILE_AS_MAINPAGE = + +#--------------------------------------------------------------------------- +# Configuration options related to source browsing +#--------------------------------------------------------------------------- + +# If the SOURCE_BROWSER tag is set to YES then a list of source files will be +# generated. Documented entities will be cross-referenced with these sources. +# +# Note: To get rid of all source code in the generated output, make sure that +# also VERBATIM_HEADERS is set to NO. +# The default value is: NO. + +SOURCE_BROWSER = NO + +# Setting the INLINE_SOURCES tag to YES will include the body of functions, +# classes and enums directly into the documentation. +# The default value is: NO. + +INLINE_SOURCES = NO + +# Setting the STRIP_CODE_COMMENTS tag to YES will instruct doxygen to hide any +# special comment blocks from generated source code fragments. Normal C, C++ and +# Fortran comments will always remain visible. +# The default value is: YES. + +STRIP_CODE_COMMENTS = YES + +# If the REFERENCED_BY_RELATION tag is set to YES then for each documented +# entity all documented functions referencing it will be listed. +# The default value is: NO. + +REFERENCED_BY_RELATION = NO + +# If the REFERENCES_RELATION tag is set to YES then for each documented function +# all documented entities called/used by that function will be listed. +# The default value is: NO. + +REFERENCES_RELATION = NO + +# If the REFERENCES_LINK_SOURCE tag is set to YES and SOURCE_BROWSER tag is set +# to YES then the hyperlinks from functions in REFERENCES_RELATION and +# REFERENCED_BY_RELATION lists will link to the source code. Otherwise they will +# link to the documentation. +# The default value is: YES. + +REFERENCES_LINK_SOURCE = YES + +# If SOURCE_TOOLTIPS is enabled (the default) then hovering a hyperlink in the +# source code will show a tooltip with additional information such as prototype, +# brief description and links to the definition and documentation. Since this +# will make the HTML file larger and loading of large files a bit slower, you +# can opt to disable this feature. +# The default value is: YES. +# This tag requires that the tag SOURCE_BROWSER is set to YES. + +SOURCE_TOOLTIPS = YES + +# If the USE_HTAGS tag is set to YES then the references to source code will +# point to the HTML generated by the htags(1) tool instead of doxygen built-in +# source browser. The htags tool is part of GNU's global source tagging system +# (see https://www.gnu.org/software/global/global.html). You will need version +# 4.8.6 or higher. +# +# To use it do the following: +# - Install the latest version of global +# - Enable SOURCE_BROWSER and USE_HTAGS in the configuration file +# - Make sure the INPUT points to the root of the source tree +# - Run doxygen as normal +# +# Doxygen will invoke htags (and that will in turn invoke gtags), so these +# tools must be available from the command line (i.e. in the search path). +# +# The result: instead of the source browser generated by doxygen, the links to +# source code will now point to the output of htags. +# The default value is: NO. +# This tag requires that the tag SOURCE_BROWSER is set to YES. + +USE_HTAGS = NO + +# If the VERBATIM_HEADERS tag is set the YES then doxygen will generate a +# verbatim copy of the header file for each class for which an include is +# specified. Set to NO to disable this. +# See also: Section \class. +# The default value is: YES. + +VERBATIM_HEADERS = YES + +# If the CLANG_ASSISTED_PARSING tag is set to YES then doxygen will use the +# clang parser (see: http://clang.llvm.org/) for more accurate parsing at the +# cost of reduced performance. This can be particularly helpful with template +# rich C++ code for which doxygen's built-in parser lacks the necessary type +# information. +# Note: The availability of this option depends on whether or not doxygen was +# generated with the -Duse_libclang=ON option for CMake. +# The default value is: NO. + +CLANG_ASSISTED_PARSING = NO + +# If clang assisted parsing is enabled you can provide the compiler with command +# line options that you would normally use when invoking the compiler. Note that +# the include paths will already be set by doxygen for the files and directories +# specified with INPUT and INCLUDE_PATH. +# This tag requires that the tag CLANG_ASSISTED_PARSING is set to YES. + +CLANG_OPTIONS = + +# If clang assisted parsing is enabled you can provide the clang parser with the +# path to the compilation database (see: +# http://clang.llvm.org/docs/HowToSetupToolingForLLVM.html) used when the files +# were built. This is equivalent to specifying the "-p" option to a clang tool, +# such as clang-check. These options will then be passed to the parser. +# Note: The availability of this option depends on whether or not doxygen was +# generated with the -Duse_libclang=ON option for CMake. + +CLANG_DATABASE_PATH = + +#--------------------------------------------------------------------------- +# Configuration options related to the alphabetical class index +#--------------------------------------------------------------------------- + +# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index of all +# compounds will be generated. Enable this if the project contains a lot of +# classes, structs, unions or interfaces. +# The default value is: YES. + +ALPHABETICAL_INDEX = YES + +# The COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns in +# which the alphabetical index list will be split. +# Minimum value: 1, maximum value: 20, default value: 5. +# This tag requires that the tag ALPHABETICAL_INDEX is set to YES. + +COLS_IN_ALPHA_INDEX = 5 + +# In case all classes in a project start with a common prefix, all classes will +# be put under the same header in the alphabetical index. The IGNORE_PREFIX tag +# can be used to specify a prefix (or a list of prefixes) that should be ignored +# while generating the index headers. +# This tag requires that the tag ALPHABETICAL_INDEX is set to YES. + +IGNORE_PREFIX = + +#--------------------------------------------------------------------------- +# Configuration options related to the HTML output +#--------------------------------------------------------------------------- + +# If the GENERATE_HTML tag is set to YES, doxygen will generate HTML output +# The default value is: YES. + +GENERATE_HTML = YES + +# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. If a +# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of +# it. +# The default directory is: html. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_OUTPUT = html + +# The HTML_FILE_EXTENSION tag can be used to specify the file extension for each +# generated HTML page (for example: .htm, .php, .asp). +# The default value is: .html. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_FILE_EXTENSION = .html + +# The HTML_HEADER tag can be used to specify a user-defined HTML header file for +# each generated HTML page. If the tag is left blank doxygen will generate a +# standard header. +# +# To get valid HTML the header file that includes any scripts and style sheets +# that doxygen needs, which is dependent on the configuration options used (e.g. +# the setting GENERATE_TREEVIEW). It is highly recommended to start with a +# default header using +# doxygen -w html new_header.html new_footer.html new_stylesheet.css +# YourConfigFile +# and then modify the file new_header.html. See also section "Doxygen usage" +# for information on how to generate the default header that doxygen normally +# uses. +# Note: The header is subject to change so you typically have to regenerate the +# default header when upgrading to a newer version of doxygen. For a description +# of the possible markers and block names see the documentation. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_HEADER = + +# The HTML_FOOTER tag can be used to specify a user-defined HTML footer for each +# generated HTML page. If the tag is left blank doxygen will generate a standard +# footer. See HTML_HEADER for more information on how to generate a default +# footer and what special commands can be used inside the footer. See also +# section "Doxygen usage" for information on how to generate the default footer +# that doxygen normally uses. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_FOOTER = + +# The HTML_STYLESHEET tag can be used to specify a user-defined cascading style +# sheet that is used by each HTML page. It can be used to fine-tune the look of +# the HTML output. If left blank doxygen will generate a default style sheet. +# See also section "Doxygen usage" for information on how to generate the style +# sheet that doxygen normally uses. +# Note: It is recommended to use HTML_EXTRA_STYLESHEET instead of this tag, as +# it is more robust and this tag (HTML_STYLESHEET) will in the future become +# obsolete. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_STYLESHEET = + +# The HTML_EXTRA_STYLESHEET tag can be used to specify additional user-defined +# cascading style sheets that are included after the standard style sheets +# created by doxygen. Using this option one can overrule certain style aspects. +# This is preferred over using HTML_STYLESHEET since it does not replace the +# standard style sheet and is therefore more robust against future updates. +# Doxygen will copy the style sheet files to the output directory. +# Note: The order of the extra style sheet files is of importance (e.g. the last +# style sheet in the list overrules the setting of the previous ones in the +# list). For an example see the documentation. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_EXTRA_STYLESHEET = + +# The HTML_EXTRA_FILES tag can be used to specify one or more extra images or +# other source files which should be copied to the HTML output directory. Note +# that these files will be copied to the base HTML output directory. Use the +# $relpath^ marker in the HTML_HEADER and/or HTML_FOOTER files to load these +# files. In the HTML_STYLESHEET file, use the file name only. Also note that the +# files will be copied as-is; there are no commands or markers available. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_EXTRA_FILES = + +# The HTML_COLORSTYLE_HUE tag controls the color of the HTML output. Doxygen +# will adjust the colors in the style sheet and background images according to +# this color. Hue is specified as an angle on a colorwheel, see +# https://en.wikipedia.org/wiki/Hue for more information. For instance the value +# 0 represents red, 60 is yellow, 120 is green, 180 is cyan, 240 is blue, 300 +# purple, and 360 is red again. +# Minimum value: 0, maximum value: 359, default value: 220. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_COLORSTYLE_HUE = 220 + +# The HTML_COLORSTYLE_SAT tag controls the purity (or saturation) of the colors +# in the HTML output. For a value of 0 the output will use grayscales only. A +# value of 255 will produce the most vivid colors. +# Minimum value: 0, maximum value: 255, default value: 100. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_COLORSTYLE_SAT = 100 + +# The HTML_COLORSTYLE_GAMMA tag controls the gamma correction applied to the +# luminance component of the colors in the HTML output. Values below 100 +# gradually make the output lighter, whereas values above 100 make the output +# darker. The value divided by 100 is the actual gamma applied, so 80 represents +# a gamma of 0.8, The value 220 represents a gamma of 2.2, and 100 does not +# change the gamma. +# Minimum value: 40, maximum value: 240, default value: 80. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_COLORSTYLE_GAMMA = 80 + +# If the HTML_TIMESTAMP tag is set to YES then the footer of each generated HTML +# page will contain the date and time when the page was generated. Setting this +# to YES can help to show when doxygen was last run and thus if the +# documentation is up to date. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_TIMESTAMP = NO + +# If the HTML_DYNAMIC_MENUS tag is set to YES then the generated HTML +# documentation will contain a main index with vertical navigation menus that +# are dynamically created via JavaScript. If disabled, the navigation index will +# consists of multiple levels of tabs that are statically embedded in every HTML +# page. Disable this option to support browsers that do not have JavaScript, +# like the Qt help browser. +# The default value is: YES. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_DYNAMIC_MENUS = YES + +# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML +# documentation will contain sections that can be hidden and shown after the +# page has loaded. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_DYNAMIC_SECTIONS = NO + +# With HTML_INDEX_NUM_ENTRIES one can control the preferred number of entries +# shown in the various tree structured indices initially; the user can expand +# and collapse entries dynamically later on. Doxygen will expand the tree to +# such a level that at most the specified number of entries are visible (unless +# a fully collapsed tree already exceeds this amount). So setting the number of +# entries 1 will produce a full collapsed tree by default. 0 is a special value +# representing an infinite number of entries and will result in a full expanded +# tree by default. +# Minimum value: 0, maximum value: 9999, default value: 100. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_INDEX_NUM_ENTRIES = 100 + +# If the GENERATE_DOCSET tag is set to YES, additional index files will be +# generated that can be used as input for Apple's Xcode 3 integrated development +# environment (see: https://developer.apple.com/xcode/), introduced with OSX +# 10.5 (Leopard). To create a documentation set, doxygen will generate a +# Makefile in the HTML output directory. Running make will produce the docset in +# that directory and running make install will install the docset in +# ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find it at +# startup. See https://developer.apple.com/library/archive/featuredarticles/Doxy +# genXcode/_index.html for more information. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTML is set to YES. + +GENERATE_DOCSET = NO + +# This tag determines the name of the docset feed. A documentation feed provides +# an umbrella under which multiple documentation sets from a single provider +# (such as a company or product suite) can be grouped. +# The default value is: Doxygen generated docs. +# This tag requires that the tag GENERATE_DOCSET is set to YES. + +DOCSET_FEEDNAME = "Doxygen generated docs" + +# This tag specifies a string that should uniquely identify the documentation +# set bundle. This should be a reverse domain-name style string, e.g. +# com.mycompany.MyDocSet. Doxygen will append .docset to the name. +# The default value is: org.doxygen.Project. +# This tag requires that the tag GENERATE_DOCSET is set to YES. + +DOCSET_BUNDLE_ID = org.doxygen.Project + +# The DOCSET_PUBLISHER_ID tag specifies a string that should uniquely identify +# the documentation publisher. This should be a reverse domain-name style +# string, e.g. com.mycompany.MyDocSet.documentation. +# The default value is: org.doxygen.Publisher. +# This tag requires that the tag GENERATE_DOCSET is set to YES. + +DOCSET_PUBLISHER_ID = org.doxygen.Publisher + +# The DOCSET_PUBLISHER_NAME tag identifies the documentation publisher. +# The default value is: Publisher. +# This tag requires that the tag GENERATE_DOCSET is set to YES. + +DOCSET_PUBLISHER_NAME = Publisher + +# If the GENERATE_HTMLHELP tag is set to YES then doxygen generates three +# additional HTML index files: index.hhp, index.hhc, and index.hhk. The +# index.hhp is a project file that can be read by Microsoft's HTML Help Workshop +# (see: https://www.microsoft.com/en-us/download/details.aspx?id=21138) on +# Windows. +# +# The HTML Help Workshop contains a compiler that can convert all HTML output +# generated by doxygen into a single compiled HTML file (.chm). Compiled HTML +# files are now used as the Windows 98 help format, and will replace the old +# Windows help format (.hlp) on all Windows platforms in the future. Compressed +# HTML files also contain an index, a table of contents, and you can search for +# words in the documentation. The HTML workshop also contains a viewer for +# compressed HTML files. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTML is set to YES. + +GENERATE_HTMLHELP = NO + +# The CHM_FILE tag can be used to specify the file name of the resulting .chm +# file. You can add a path in front of the file if the result should not be +# written to the html output directory. +# This tag requires that the tag GENERATE_HTMLHELP is set to YES. + +CHM_FILE = + +# The HHC_LOCATION tag can be used to specify the location (absolute path +# including file name) of the HTML help compiler (hhc.exe). If non-empty, +# doxygen will try to run the HTML help compiler on the generated index.hhp. +# The file has to be specified with full path. +# This tag requires that the tag GENERATE_HTMLHELP is set to YES. + +HHC_LOCATION = + +# The GENERATE_CHI flag controls if a separate .chi index file is generated +# (YES) or that it should be included in the master .chm file (NO). +# The default value is: NO. +# This tag requires that the tag GENERATE_HTMLHELP is set to YES. + +GENERATE_CHI = NO + +# The CHM_INDEX_ENCODING is used to encode HtmlHelp index (hhk), content (hhc) +# and project file content. +# This tag requires that the tag GENERATE_HTMLHELP is set to YES. + +CHM_INDEX_ENCODING = + +# The BINARY_TOC flag controls whether a binary table of contents is generated +# (YES) or a normal table of contents (NO) in the .chm file. Furthermore it +# enables the Previous and Next buttons. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTMLHELP is set to YES. + +BINARY_TOC = NO + +# The TOC_EXPAND flag can be set to YES to add extra items for group members to +# the table of contents of the HTML help documentation and to the tree view. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTMLHELP is set to YES. + +TOC_EXPAND = NO + +# If the GENERATE_QHP tag is set to YES and both QHP_NAMESPACE and +# QHP_VIRTUAL_FOLDER are set, an additional index file will be generated that +# can be used as input for Qt's qhelpgenerator to generate a Qt Compressed Help +# (.qch) of the generated HTML documentation. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTML is set to YES. + +GENERATE_QHP = NO + +# If the QHG_LOCATION tag is specified, the QCH_FILE tag can be used to specify +# the file name of the resulting .qch file. The path specified is relative to +# the HTML output folder. +# This tag requires that the tag GENERATE_QHP is set to YES. + +QCH_FILE = + +# The QHP_NAMESPACE tag specifies the namespace to use when generating Qt Help +# Project output. For more information please see Qt Help Project / Namespace +# (see: https://doc.qt.io/archives/qt-4.8/qthelpproject.html#namespace). +# The default value is: org.doxygen.Project. +# This tag requires that the tag GENERATE_QHP is set to YES. + +QHP_NAMESPACE = org.doxygen.Project + +# The QHP_VIRTUAL_FOLDER tag specifies the namespace to use when generating Qt +# Help Project output. For more information please see Qt Help Project / Virtual +# Folders (see: https://doc.qt.io/archives/qt-4.8/qthelpproject.html#virtual- +# folders). +# The default value is: doc. +# This tag requires that the tag GENERATE_QHP is set to YES. + +QHP_VIRTUAL_FOLDER = doc + +# If the QHP_CUST_FILTER_NAME tag is set, it specifies the name of a custom +# filter to add. For more information please see Qt Help Project / Custom +# Filters (see: https://doc.qt.io/archives/qt-4.8/qthelpproject.html#custom- +# filters). +# This tag requires that the tag GENERATE_QHP is set to YES. + +QHP_CUST_FILTER_NAME = + +# The QHP_CUST_FILTER_ATTRS tag specifies the list of the attributes of the +# custom filter to add. For more information please see Qt Help Project / Custom +# Filters (see: https://doc.qt.io/archives/qt-4.8/qthelpproject.html#custom- +# filters). +# This tag requires that the tag GENERATE_QHP is set to YES. + +QHP_CUST_FILTER_ATTRS = + +# The QHP_SECT_FILTER_ATTRS tag specifies the list of the attributes this +# project's filter section matches. Qt Help Project / Filter Attributes (see: +# https://doc.qt.io/archives/qt-4.8/qthelpproject.html#filter-attributes). +# This tag requires that the tag GENERATE_QHP is set to YES. + +QHP_SECT_FILTER_ATTRS = + +# The QHG_LOCATION tag can be used to specify the location of Qt's +# qhelpgenerator. If non-empty doxygen will try to run qhelpgenerator on the +# generated .qhp file. +# This tag requires that the tag GENERATE_QHP is set to YES. + +QHG_LOCATION = + +# If the GENERATE_ECLIPSEHELP tag is set to YES, additional index files will be +# generated, together with the HTML files, they form an Eclipse help plugin. To +# install this plugin and make it available under the help contents menu in +# Eclipse, the contents of the directory containing the HTML and XML files needs +# to be copied into the plugins directory of eclipse. The name of the directory +# within the plugins directory should be the same as the ECLIPSE_DOC_ID value. +# After copying Eclipse needs to be restarted before the help appears. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTML is set to YES. + +GENERATE_ECLIPSEHELP = NO + +# A unique identifier for the Eclipse help plugin. When installing the plugin +# the directory name containing the HTML and XML files should also have this +# name. Each documentation set should have its own identifier. +# The default value is: org.doxygen.Project. +# This tag requires that the tag GENERATE_ECLIPSEHELP is set to YES. + +ECLIPSE_DOC_ID = org.doxygen.Project + +# If you want full control over the layout of the generated HTML pages it might +# be necessary to disable the index and replace it with your own. The +# DISABLE_INDEX tag can be used to turn on/off the condensed index (tabs) at top +# of each HTML page. A value of NO enables the index and the value YES disables +# it. Since the tabs in the index contain the same information as the navigation +# tree, you can set this option to YES if you also set GENERATE_TREEVIEW to YES. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTML is set to YES. + +DISABLE_INDEX = NO + +# The GENERATE_TREEVIEW tag is used to specify whether a tree-like index +# structure should be generated to display hierarchical information. If the tag +# value is set to YES, a side panel will be generated containing a tree-like +# index structure (just like the one that is generated for HTML Help). For this +# to work a browser that supports JavaScript, DHTML, CSS and frames is required +# (i.e. any modern browser). Windows users are probably better off using the +# HTML help feature. Via custom style sheets (see HTML_EXTRA_STYLESHEET) one can +# further fine-tune the look of the index. As an example, the default style +# sheet generated by doxygen has an example that shows how to put an image at +# the root of the tree instead of the PROJECT_NAME. Since the tree basically has +# the same information as the tab index, you could consider setting +# DISABLE_INDEX to YES when enabling this option. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTML is set to YES. + +GENERATE_TREEVIEW = NO + +# The ENUM_VALUES_PER_LINE tag can be used to set the number of enum values that +# doxygen will group on one line in the generated HTML documentation. +# +# Note that a value of 0 will completely suppress the enum values from appearing +# in the overview section. +# Minimum value: 0, maximum value: 20, default value: 4. +# This tag requires that the tag GENERATE_HTML is set to YES. + +ENUM_VALUES_PER_LINE = 4 + +# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be used +# to set the initial width (in pixels) of the frame in which the tree is shown. +# Minimum value: 0, maximum value: 1500, default value: 250. +# This tag requires that the tag GENERATE_HTML is set to YES. + +TREEVIEW_WIDTH = 250 + +# If the EXT_LINKS_IN_WINDOW option is set to YES, doxygen will open links to +# external symbols imported via tag files in a separate window. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTML is set to YES. + +EXT_LINKS_IN_WINDOW = NO + +# Use this tag to change the font size of LaTeX formulas included as images in +# the HTML documentation. When you change the font size after a successful +# doxygen run you need to manually remove any form_*.png images from the HTML +# output directory to force them to be regenerated. +# Minimum value: 8, maximum value: 50, default value: 10. +# This tag requires that the tag GENERATE_HTML is set to YES. + +FORMULA_FONTSIZE = 10 + +# Use the FORMULA_TRANSPARENT tag to determine whether or not the images +# generated for formulas are transparent PNGs. Transparent PNGs are not +# supported properly for IE 6.0, but are supported on all modern browsers. +# +# Note that when changing this option you need to delete any form_*.png files in +# the HTML output directory before the changes have effect. +# The default value is: YES. +# This tag requires that the tag GENERATE_HTML is set to YES. + +FORMULA_TRANSPARENT = YES + +# The FORMULA_MACROFILE can contain LaTeX \newcommand and \renewcommand commands +# to create new LaTeX commands to be used in formulas as building blocks. See +# the section "Including formulas" for details. + +FORMULA_MACROFILE = + +# Enable the USE_MATHJAX option to render LaTeX formulas using MathJax (see +# https://www.mathjax.org) which uses client side JavaScript for the rendering +# instead of using pre-rendered bitmaps. Use this if you do not have LaTeX +# installed or if you want to formulas look prettier in the HTML output. When +# enabled you may also need to install MathJax separately and configure the path +# to it using the MATHJAX_RELPATH option. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTML is set to YES. + +USE_MATHJAX = YES + +# When MathJax is enabled you can set the default output format to be used for +# the MathJax output. See the MathJax site (see: +# http://docs.mathjax.org/en/latest/output.html) for more details. +# Possible values are: HTML-CSS (which is slower, but has the best +# compatibility), NativeMML (i.e. MathML) and SVG. +# The default value is: HTML-CSS. +# This tag requires that the tag USE_MATHJAX is set to YES. + +MATHJAX_FORMAT = HTML-CSS + +# When MathJax is enabled you need to specify the location relative to the HTML +# output directory using the MATHJAX_RELPATH option. The destination directory +# should contain the MathJax.js script. For instance, if the mathjax directory +# is located at the same level as the HTML output directory, then +# MATHJAX_RELPATH should be ../mathjax. The default value points to the MathJax +# Content Delivery Network so you can quickly see the result without installing +# MathJax. However, it is strongly recommended to install a local copy of +# MathJax from https://www.mathjax.org before deployment. +# The default value is: https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/. +# This tag requires that the tag USE_MATHJAX is set to YES. + +MATHJAX_RELPATH = https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/ + +# The MATHJAX_EXTENSIONS tag can be used to specify one or more MathJax +# extension names that should be enabled during MathJax rendering. For example +# MATHJAX_EXTENSIONS = TeX/AMSmath TeX/AMSsymbols +# This tag requires that the tag USE_MATHJAX is set to YES. + +MATHJAX_EXTENSIONS = + +# The MATHJAX_CODEFILE tag can be used to specify a file with javascript pieces +# of code that will be used on startup of the MathJax code. See the MathJax site +# (see: http://docs.mathjax.org/en/latest/output.html) for more details. For an +# example see the documentation. +# This tag requires that the tag USE_MATHJAX is set to YES. + +MATHJAX_CODEFILE = + +# When the SEARCHENGINE tag is enabled doxygen will generate a search box for +# the HTML output. The underlying search engine uses javascript and DHTML and +# should work on any modern browser. Note that when using HTML help +# (GENERATE_HTMLHELP), Qt help (GENERATE_QHP), or docsets (GENERATE_DOCSET) +# there is already a search function so this one should typically be disabled. +# For large projects the javascript based search engine can be slow, then +# enabling SERVER_BASED_SEARCH may provide a better solution. It is possible to +# search using the keyboard; to jump to the search box use + S +# (what the is depends on the OS and browser, but it is typically +# , /