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Disable GL_KHR_cooperative_matrix Vulkan extension if not available. (#11117)

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* Disable GL_KHR_cooperative_matrix Vulkan extension if not available.

* Perform Vulkan extensions checks in a more sensible order

* Remove unnecessary #ifdef directive
This commit is contained in:
Mathieu Baudier 2025-01-08 09:18:13 +01:00 committed by GitHub
parent bec2183f2c
commit 02f0430141
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GPG Key ID: B5690EEEBB952194
4 changed files with 38 additions and 3 deletions
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14
ggml/src/ggml-vulkan/CMakeLists.txt
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@ -8,6 +8,20 @@ if (Vulkan_FOUND)
../../include/ggml-vulkan.h
)
# Compile a test shader to determine whether GL_KHR_cooperative_matrix is supported.
# If it's not, there will be an error to stderr.
# If it's supported, set a define to indicate that we should compile those shaders
execute_process(COMMAND ${Vulkan_GLSLC_EXECUTABLE} -o - -fshader-stage=compute --target-env=vulkan1.3 "${CMAKE_CURRENT_SOURCE_DIR}/vulkan-shaders/test_coopmat_support.comp"
OUTPUT_VARIABLE glslc_output
ERROR_VARIABLE glslc_error)
if (${glslc_error} MATCHES ".*extension not supported: GL_KHR_cooperative_matrix.*")
message(STATUS "GL_KHR_cooperative_matrix not supported by glslc")
else()
message(STATUS "GL_KHR_cooperative_matrix supported by glslc")
add_compile_definitions(GGML_VULKAN_COOPMAT_GLSLC_SUPPORT)
endif()
# Compile a test shader to determine whether GL_NV_cooperative_matrix2 is supported.
# If it's not, there will be an error to stderr.
# If it's supported, set a define to indicate that we should compile those shaders

18
ggml/src/ggml-vulkan/ggml-vulkan.cpp
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@ -1645,6 +1645,7 @@ static void ggml_vk_load_shaders(vk_device& device) {
#undef CREATE_MM2
} else
#endif // defined(VK_NV_cooperative_matrix2) && defined(GGML_VULKAN_COOPMAT2_GLSLC_SUPPORT)
#if defined(VK_KHR_cooperative_matrix) && defined(GGML_VULKAN_COOPMAT_GLSLC_SUPPORT)
if (device->coopmat_support) {
// Create 6 variants, {s,m,l}x{unaligned,aligned}
#define CREATE_MM(PIPELINE_NAME, NAMELC, F16ACC, WG_DENOMS, WARPTILE, PUSHCONST, PARAMCOUNT, ID) \
@ -1739,7 +1740,9 @@ static void ggml_vk_load_shaders(vk_device& device) {
}
#undef CREATE_MM2
#undef CREATE_MM
} else if (device->fp16) {
} else
#endif // defined(VK_KHR_cooperative_matrix) && defined(GGML_VULKAN_COOPMAT_GLSLC_SUPPORT)
if (device->fp16) {
// Create 6 variants, {s,m,l}x{unaligned,aligned}
#define CREATE_MM(PIPELINE_NAME, NAMELC, F16ACC, WG_DENOMS, WARPTILE, PUSHCONST, PARAMCOUNT, ID) \
if (device->mul_mat ## ID ## _l) \
@ -2242,6 +2245,7 @@ static vk_device ggml_vk_get_device(size_t idx) {
last_struct = (VkBaseOutStructure *)&subgroup_size_control_features;
}
#if defined(VK_KHR_cooperative_matrix)
VkPhysicalDeviceCooperativeMatrixFeaturesKHR coopmat_features;
coopmat_features.pNext = nullptr;
coopmat_features.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_COOPERATIVE_MATRIX_FEATURES_KHR;
@ -2251,6 +2255,7 @@ static vk_device ggml_vk_get_device(size_t idx) {
last_struct->pNext = (VkBaseOutStructure *)&coopmat_features;
last_struct = (VkBaseOutStructure *)&coopmat_features;
}
#endif
#if defined(VK_NV_cooperative_matrix2)
VkPhysicalDeviceCooperativeMatrix2FeaturesNV coopmat2_features {};
@ -2283,7 +2288,9 @@ static vk_device ggml_vk_get_device(size_t idx) {
device_extensions.push_back("VK_EXT_subgroup_size_control");
}
#if defined(VK_KHR_cooperative_matrix)
device->coopmat_support = device->coopmat_support && coopmat_features.cooperativeMatrix;
#endif
if (coopmat2_support) {
#if defined(VK_NV_cooperative_matrix2) && defined(GGML_VULKAN_COOPMAT2_GLSLC_SUPPORT)
@ -2376,6 +2383,7 @@ static vk_device ggml_vk_get_device(size_t idx) {
device_extensions.push_back("VK_KHR_shader_float16_int8");
}
#if defined(VK_KHR_cooperative_matrix)
if (device->coopmat_support) {
// Query supported shapes
std::vector<VkCooperativeMatrixPropertiesKHR> cm_props;
@ -2442,7 +2450,7 @@ static vk_device ggml_vk_get_device(size_t idx) {
if (device->coopmat_support) {
device_extensions.push_back("VK_KHR_cooperative_matrix");
}
#endif
device->name = GGML_VK_NAME + std::to_string(idx);
device_create_info = {
@ -2553,9 +2561,11 @@ static void ggml_vk_print_gpu_info(size_t idx) {
fp16_storage = true;
} else if (strcmp("VK_KHR_shader_float16_int8", properties.extensionName) == 0) {
fp16_compute = true;
} else if (strcmp("VK_KHR_cooperative_matrix", properties.extensionName) == 0 &&
#if defined(GGML_VULKAN_COOPMAT_GLSLC_SUPPORT)
} else if (strcmp("VK_KHR_cooperative_matrix", properties.extensionName) == 0 &&
!getenv("GGML_VK_DISABLE_COOPMAT")) {
coopmat_support = true;
#endif
#if defined(GGML_VULKAN_COOPMAT2_GLSLC_SUPPORT)
} else if (strcmp("VK_NV_cooperative_matrix2", properties.extensionName) == 0 &&
!getenv("GGML_VK_DISABLE_COOPMAT2")) {
@ -2593,6 +2603,7 @@ static void ggml_vk_print_gpu_info(size_t idx) {
// Pointer to the last chain element
VkBaseOutStructure * last_struct = (VkBaseOutStructure *)&vk12_features;
#if defined(GGML_VULKAN_COOPMAT_GLSLC_SUPPORT)
VkPhysicalDeviceCooperativeMatrixFeaturesKHR coopmat_features;
coopmat_features.pNext = nullptr;
coopmat_features.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_COOPERATIVE_MATRIX_FEATURES_KHR;
@ -2608,6 +2619,7 @@ static void ggml_vk_print_gpu_info(size_t idx) {
fp16 = fp16 && vk12_features.shaderFloat16;
coopmat_support = coopmat_support && coopmat_features.cooperativeMatrix;
#endif
std::string matrix_cores = coopmat2_support ? "NV_coopmat2" : coopmat_support ? "KHR_coopmat" : "none";

7
ggml/src/ggml-vulkan/vulkan-shaders/test_coopmat_support.comp Normal file
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@ -0,0 +1,7 @@
#version 460
#extension GL_KHR_cooperative_matrix : require
void main()
{
}

2
ggml/src/ggml-vulkan/vulkan-shaders/vulkan-shaders-gen.cpp
View File

@ -342,9 +342,11 @@ void process_shaders() {
matmul_shaders(true, matmul_id, false, false, false);
matmul_shaders(true, matmul_id, false, false, true);
#if defined(GGML_VULKAN_COOPMAT_GLSLC_SUPPORT)
// Coopmat, fp32acc and fp16acc
matmul_shaders(true, matmul_id, true, false, false);
matmul_shaders(true, matmul_id, true, false, true);
#endif
#if defined(GGML_VULKAN_COOPMAT2_GLSLC_SUPPORT)
// Coopmat2, fp32acc and fp16acc