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OpenCL: Fixes for older devices. (#1435)

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* Remove `constant`

* Rewrite platform and device selection

* Fix Q8_0
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Henri Vasserman 2023-05-20 17:57:39 +03:00 committed by GitHub
parent 29cf5596fe
commit 9ecb30f959
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1 changed files with 244 additions and 131 deletions
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ggml-opencl.c
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@ -10,87 +10,77 @@
#include "ggml.h" #include "ggml.h"
#define MULTILINE_QUOTE(...) #__VA_ARGS__ #define MULTILINE_QUOTE(...) #__VA_ARGS__
const char * clblast_dequant = MULTILINE_QUOTE( static const char * program_source = MULTILINE_QUOTE(
typedef char int8_t;
typedef uchar uint8_t; typedef uchar uint8_t;
typedef int int32_t; typedef int int32_t;
typedef uint uint32_t; typedef uint uint32_t;
constant uint QK4_0 = 32; struct __attribute__ ((packed)) block_q4_0
struct block_q4_0
{ {
float d; half d;
uint8_t qs[QK4_0 / 2]; uint8_t qs[16]; /* QK4_0 / 2 */
}; };
constant uint QK4_1 = 32; struct __attribute__ ((packed)) block_q4_1
struct block_q4_1
{ {
float d; half d;
float m; half m;
uint8_t qs[QK4_1 / 2]; uint8_t qs[16]; /* QK4_1 / 2 */
}; };
constant uint QK5_0 = 32;
struct __attribute__ ((packed)) block_q5_0 struct __attribute__ ((packed)) block_q5_0
{ {
half d; half d;
uint32_t qh; uint32_t qh;
uint8_t qs[QK5_0 / 2]; uint8_t qs[16]; /* QK5_0 / 2 */
}; };
constant uint QK5_1 = 32; struct __attribute__ ((packed)) block_q5_1
struct block_q5_1
{ {
half d; half d;
half m; half m;
uint32_t qh; uint32_t qh;
uint8_t qs[QK5_1 / 2]; uint8_t qs[16]; /* QK5_1 / 2 */
}; };
constant uint QK8_0 = 32; struct __attribute__ ((packed)) block_q8_0
struct block_q8_0
{ {
float d; half d;
uint8_t qs[QK8_0]; int8_t qs[32]; /* QK8_0 */
}; };
__kernel void dequantize_row_q4_0(__global struct block_q4_0* x, __global float* y) { __kernel void dequantize_row_q4_0(__global struct block_q4_0* x, __global float* y) {
constant uint qk = QK4_0; const uint i = get_global_id(0) / 32; /* QK4_0 */
const uint i = get_global_id(0) / qk;
const uint j = get_local_id(0); const uint j = get_local_id(0);
const float d = x[i].d; const float d = vload_half(0, (__global half*) &x[i].d);
const int x0 = (x[i].qs[j] & 0xf) - 8; const int x0 = (x[i].qs[j] & 0xf) - 8;
const int x1 = (x[i].qs[j] >> 4) - 8; const int x1 = (x[i].qs[j] >> 4) - 8;
y[i*qk + j + 0 ] = x0*d; y[i*32 + j + 0 ] = x0*d;
y[i*qk + j + qk/2] = x1*d; y[i*32 + j + 16] = x1*d;
} }
__kernel void dequantize_row_q4_1(__global struct block_q4_1* x, __global float* y) { __kernel void dequantize_row_q4_1(__global struct block_q4_1* x, __global float* y) {
constant uint qk = QK4_1; const uint i = get_global_id(0) / 32; /* QK4_1 */
const uint i = get_global_id(0) / qk;
const uint j = get_local_id(0); const uint j = get_local_id(0);
const float d = x[i].d; const float d = vload_half(0, (__global half*) &x[i].d);
const float m = x[i].m; const float m = vload_half(0, (__global half*) &x[i].m);
const int x0 = (x[i].qs[j] & 0xf); const int x0 = (x[i].qs[j] & 0xf);
const int x1 = (x[i].qs[j] >> 4); const int x1 = (x[i].qs[j] >> 4);
y[i*qk + j + 0 ] = x0*d + m; y[i*32 + j + 0 ] = x0*d + m;
y[i*qk + j + qk/2] = x1*d + m; y[i*32 + j + 16] = x1*d + m;
} }
__kernel void dequantize_row_q5_0(__global struct block_q5_0* x, __global float* y) { __kernel void dequantize_row_q5_0(__global struct block_q5_0* x, __global float* y) {
constant uint qk = QK5_0; const uint i = get_global_id(0) / 32; /* QK5_0 */
const uint i = get_global_id(0) / qk;
const uint j = get_local_id(0); const uint j = get_local_id(0);
const float d = vload_half(0, (__global half*) &x[i].d); const float d = vload_half(0, (__global half*) &x[i].d);
@ -103,14 +93,12 @@ __kernel void dequantize_row_q5_0(__global struct block_q5_0* x, __global float*
const int32_t x0 = ((x[i].qs[j] & 0xf) | xh_0) - 16; const int32_t x0 = ((x[i].qs[j] & 0xf) | xh_0) - 16;
const int32_t x1 = ((x[i].qs[j] >> 4) | xh_1) - 16; const int32_t x1 = ((x[i].qs[j] >> 4) | xh_1) - 16;
y[i*qk + j + 0 ] = x0*d; y[i*32 + j + 0 ] = x0*d;
y[i*qk + j + qk/2] = x1*d; y[i*32 + j + 16] = x1*d;
} }
__kernel void dequantize_row_q5_1(__global struct block_q5_1* x, __global float* y) { __kernel void dequantize_row_q5_1(__global struct block_q5_1* x, __global float* y) {
constant uint qk = QK5_1; const uint i = get_global_id(0) / 32; /* QK5_1 */
const uint i = get_global_id(0) / qk;
const uint j = get_local_id(0); const uint j = get_local_id(0);
const float d = vload_half(0, (__global half*) &x[i].d); const float d = vload_half(0, (__global half*) &x[i].d);
@ -124,28 +112,38 @@ __kernel void dequantize_row_q5_1(__global struct block_q5_1* x, __global float*
const int x0 = (x[i].qs[j] & 0xf) | xh_0; const int x0 = (x[i].qs[j] & 0xf) | xh_0;
const int x1 = (x[i].qs[j] >> 4) | xh_1; const int x1 = (x[i].qs[j] >> 4) | xh_1;
y[i*qk + j + 0 ] = x0*d + m; y[i*32 + j + 0 ] = x0*d + m;
y[i*qk + j + qk/2] = x1*d + m; y[i*32 + j + 16] = x1*d + m;
} }
__kernel void dequantize_row_q8_0(__global struct block_q8_0* x, __global float* y) { __kernel void dequantize_row_q8_0(__global struct block_q8_0* x, __global float* y) {
constant uint qk = QK8_0; const uint i = get_global_id(0) / 32; /* QK8_0 */
const uint i = get_global_id(0) / qk;
const uint j = get_local_id(0); const uint j = get_local_id(0);
const float d = x[i].d; const float d = vload_half(0, (__global half*) &x[i].d);
y[i*qk + j] = x[i].qs[j]*d; y[i*32 + j] = x[i].qs[j]*d;
} }
); );
#define CL_CHECK(err, name) \ #define CL_CHECK(err) \
do { \ do { \
cl_int err_ = (err); \ cl_int err_ = (err); \
if (err_ != CL_SUCCESS) { \ if (err_ != CL_SUCCESS) { \
fprintf(stderr, "OpenCL %s error %d at %s:%d\n", name, err_, __FILE__, __LINE__); \ fprintf(stderr, "ggml_opencl: %s error %d at %s:%d\n", \
exit(1); \ #err, err_, __FILE__, __LINE__); \
} \ exit(1); \
} \
} while (0)
#define CLBLAST_CHECK(err) \
do { \
CLBlastStatusCode err_ = (err); \
if (err_ != CLBlastSuccess) { \
fprintf(stderr, "ggml_opencl: %s error %d at %s:%d\n", \
#err, err_, __FILE__, __LINE__); \
exit(1); \
} \
} while (0) } while (0)
static cl_platform_id platform; static cl_platform_id platform;
@ -188,48 +186,174 @@ static cl_program build_program_from_source(cl_context ctx, cl_device_id dev, co
void ggml_cl_init(void) { void ggml_cl_init(void) {
cl_int err = 0; cl_int err = 0;
char * GGML_CLBLAST_PLATFORM = getenv("GGML_CLBLAST_PLATFORM");
char * GGML_CLBLAST_DEVICE = getenv("GGML_CLBLAST_DEVICE");
int plat_num = (GGML_CLBLAST_PLATFORM == NULL ? 0 : atoi(GGML_CLBLAST_PLATFORM));
int dev_num = (GGML_CLBLAST_DEVICE == NULL ? 0 : atoi(GGML_CLBLAST_DEVICE));
printf("\nInitializing CLBlast (First Run)...");
printf("\nAttempting to use: Platform=%d, Device=%d (If invalid, program will crash)\n",plat_num,dev_num);
cl_uint num_platforms;
clGetPlatformIDs(0, NULL, &num_platforms);
cl_platform_id* platforms = (cl_platform_id*)malloc(num_platforms*sizeof(cl_platform_id));
clGetPlatformIDs(num_platforms, platforms, NULL);
platform = platforms[plat_num];
char platform_buffer[1024];
clGetPlatformInfo(platform, CL_PLATFORM_NAME, sizeof(platform_buffer), &platform_buffer, NULL);
cl_uint num_devices;
clGetDeviceIDs(platform, CL_DEVICE_TYPE_ALL, 0, NULL, &num_devices);
cl_device_id* devices = (cl_device_id*)malloc(num_devices*sizeof(cl_device_id));
clGetDeviceIDs(platform, CL_DEVICE_TYPE_ALL, num_devices, devices, NULL);
device = devices[dev_num];
char device_buffer[1024];
clGetDeviceInfo(device, CL_DEVICE_NAME, sizeof(device_buffer), &device_buffer, NULL);
printf("Using Platform: %s Device: %s\n", platform_buffer, device_buffer);
context = clCreateContext(NULL, 1, &device, NULL, NULL, &err);
CL_CHECK(err, "clCreateContext");
queue = clCreateCommandQueue(context, device, CL_QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE, &err);
CL_CHECK(err, "clCreateCommandQueue");
free(platforms); struct cl_device;
free(devices); struct cl_platform {
cl_platform_id id;
unsigned number;
char name[128];
char vendor[128];
struct cl_device * devices;
unsigned n_devices;
struct cl_device * default_device;
};
program = build_program_from_source(context, device, clblast_dequant); struct cl_device {
struct cl_platform * platform;
cl_device_id id;
unsigned number;
cl_device_type type;
char name[128];
};
enum { NPLAT = 16, NDEV = 16 };
struct cl_platform platforms[NPLAT];
unsigned n_platforms = 0;
struct cl_device devices[NDEV];
unsigned n_devices = 0;
struct cl_device * default_device = NULL;
platform = NULL;
device = NULL;
cl_platform_id platform_ids[NPLAT];
CL_CHECK(clGetPlatformIDs(NPLAT, platform_ids, &n_platforms));
for (unsigned i = 0; i < n_platforms; i++) {
struct cl_platform * p = &platforms[i];
p->number = i;
p->id = platform_ids[i];
CL_CHECK(clGetPlatformInfo(p->id, CL_PLATFORM_NAME, sizeof(p->name), &p->name, NULL));
CL_CHECK(clGetPlatformInfo(p->id, CL_PLATFORM_VENDOR, sizeof(p->vendor), &p->vendor, NULL));
cl_device_id device_ids[NDEV];
cl_int clGetDeviceIDsError = clGetDeviceIDs(p->id, CL_DEVICE_TYPE_ALL, NDEV, device_ids, &p->n_devices);
if (clGetDeviceIDsError == CL_DEVICE_NOT_FOUND) {
p->n_devices = 0;
} else {
CL_CHECK(clGetDeviceIDsError);
}
p->devices = p->n_devices > 0 ? &devices[n_devices] : NULL;
p->default_device = NULL;
for (unsigned j = 0; j < p->n_devices; j++) {
struct cl_device * d = &devices[n_devices];
d->number = n_devices++;
d->id = device_ids[j];
d->platform = p;
CL_CHECK(clGetDeviceInfo(d->id, CL_DEVICE_NAME, sizeof(d->name), &d->name, NULL));
CL_CHECK(clGetDeviceInfo(d->id, CL_DEVICE_TYPE, sizeof(d->type), &d->type, NULL));
if (p->default_device == NULL && d->type == CL_DEVICE_TYPE_GPU) {
p->default_device = d;
}
}
if (default_device == NULL && p->default_device != NULL) {
default_device = p->default_device;
}
}
if (n_devices == 0) {
fprintf(stderr, "ggml_opencl: could find any OpenCL devices.\n");
exit(1);
}
char * user_platform_string = getenv("GGML_OPENCL_PLATFORM");
char * user_device_string = getenv("GGML_OPENCL_DEVICE");
int user_platform_number = -1;
int user_device_number = -1;
unsigned n;
if (user_platform_string != NULL && sscanf(user_platform_string, " %u", &n) == 1 && n < n_platforms) {
user_platform_number = (int)n;
}
if (user_device_string != NULL && sscanf(user_device_string, " %u", &n) == 1 && n < n_devices) {
user_device_number = (int)n;
}
struct cl_device * selected_devices = devices;
unsigned n_selected_devices = n_devices;
if (user_platform_number == -1 && user_platform_string != NULL && user_platform_string[0] != 0) {
for (unsigned i = 0; i < n_platforms; i++) {
struct cl_platform * p = &platforms[i];
if (strstr(p->name, user_platform_string) != NULL ||
strstr(p->vendor, user_platform_string) != NULL) {
user_platform_number = (int)i;
break;
}
}
if (user_platform_number == -1) {
fprintf(stderr, "ggml_opencl: no platform matching '%s' was found.\n", user_platform_string);
exit(1);
}
}
if (user_platform_number != -1) {
struct cl_platform * p = &platforms[user_platform_number];
selected_devices = p->devices;
n_selected_devices = p->n_devices;
default_device = p->default_device;
if (n_selected_devices == 0) {
fprintf(stderr, "ggml_opencl: selected platform '%s' does not have any devices.\n", p->name);
exit(1);
}
}
if (user_device_number == -1 && user_device_string != NULL && user_device_string[0] != 0) {
for (unsigned i = 0; i < n_selected_devices; i++) {
struct cl_device * d = &selected_devices[i];
if (strstr(d->name, user_device_string) != NULL) {
user_device_number = d->number;
break;
}
}
if (user_device_number == -1) {
fprintf(stderr, "ggml_opencl: no device matching '%s' was found.\n", user_device_string);
exit(1);
}
}
if (user_device_number != -1) {
selected_devices = &devices[user_device_number];
n_selected_devices = 1;
default_device = &selected_devices[0];
}
GGML_ASSERT(n_selected_devices > 0);
if (default_device == NULL) {
default_device = &selected_devices[0];
}
fprintf(stderr, "ggml_opencl: selecting platform: '%s'\n", default_device->platform->name);
fprintf(stderr, "ggml_opencl: selecting device: '%s'\n", default_device->name);
if (default_device->type != CL_DEVICE_TYPE_GPU) {
fprintf(stderr, "ggml_opencl: warning, not a GPU: '%s'.\n", default_device->name);
}
platform = default_device->platform->id;
device = default_device->id;
cl_context_properties properties[] = {
(intptr_t)CL_CONTEXT_PLATFORM, (intptr_t)platform, 0
};
CL_CHECK((context = clCreateContext(properties, 1, &device, NULL, NULL, &err), err));
CL_CHECK((queue = clCreateCommandQueue(context, device, CL_QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE, &err),
(err != CL_INVALID_PROPERTY && err != CL_INVALID_VALUE ? err :
(queue = clCreateCommandQueue(context, device, 0, &err), err)
)));
program = build_program_from_source(context, device, program_source);
// Prepare dequantize kernels // Prepare dequantize kernels
kernel_q4_0 = clCreateKernel(program, "dequantize_row_q4_0", &err); CL_CHECK((kernel_q4_0 = clCreateKernel(program, "dequantize_row_q4_0", &err), err));
CL_CHECK(err, "clCreateKernel"); CL_CHECK((kernel_q4_1 = clCreateKernel(program, "dequantize_row_q4_1", &err), err));
kernel_q4_1 = clCreateKernel(program, "dequantize_row_q4_1", &err); CL_CHECK((kernel_q5_0 = clCreateKernel(program, "dequantize_row_q5_0", &err), err));
CL_CHECK(err, "clCreateKernel"); CL_CHECK((kernel_q5_1 = clCreateKernel(program, "dequantize_row_q5_1", &err), err));
kernel_q5_0 = clCreateKernel(program, "dequantize_row_q5_0", &err); CL_CHECK((kernel_q8_0 = clCreateKernel(program, "dequantize_row_q8_0", &err), err));
CL_CHECK(err, "clCreateKernel");
kernel_q5_1 = clCreateKernel(program, "dequantize_row_q5_1", &err);
CL_CHECK(err, "clCreateKernel");
kernel_q8_0 = clCreateKernel(program, "dequantize_row_q8_0", &err);
CL_CHECK(err, "clCreateKernel");
} }
static void ggml_cl_malloc(size_t req_size, size_t* cur_size, cl_mem_flags flags, cl_mem* buf) { static void ggml_cl_malloc(size_t req_size, size_t* cur_size, cl_mem_flags flags, cl_mem* buf) {
@ -242,9 +366,8 @@ static void ggml_cl_malloc(size_t req_size, size_t* cur_size, cl_mem_flags flags
clReleaseMemObject(*buf); clReleaseMemObject(*buf);
} }
cl_int err; cl_int err;
*buf = clCreateBuffer(context, flags, req_size, NULL, &err); CL_CHECK((*buf = clCreateBuffer(context, flags, req_size, NULL, &err), err));
*cur_size = req_size; *cur_size = req_size;
CL_CHECK(err, "clCreateBuffer");
} }
void ggml_cl_sgemm_wrapper( void ggml_cl_sgemm_wrapper(
@ -253,7 +376,6 @@ void ggml_cl_sgemm_wrapper(
const float alpha, const void *host_a, const int lda, const float alpha, const void *host_a, const int lda,
const float *host_b, const int ldb, const float beta, const float *host_b, const int ldb, const float beta,
float *host_c, const int ldc, const int btype) { float *host_c, const int ldc, const int btype) {
cl_int err = 0;
cl_kernel kernel; cl_kernel kernel;
size_t global = n * k, local, size_qb; size_t global = n * k, local, size_qb;
@ -267,13 +389,13 @@ void ggml_cl_sgemm_wrapper(
dequant = true; dequant = true;
kernel = kernel_q4_0; kernel = kernel_q4_0;
local = 16; local = 16;
size_qb = global * (sizeof(float) + local) / 32; size_qb = global * (sizeof(ggml_fp16_t) + local) / 32;
break; break;
case GGML_TYPE_Q4_1: case GGML_TYPE_Q4_1:
dequant = true; dequant = true;
kernel = kernel_q4_1; kernel = kernel_q4_1;
local = 16; local = 16;
size_qb = global * (sizeof(float) * 2 + local) / 32; size_qb = global * (sizeof(ggml_fp16_t) * 2 + local) / 32;
break; break;
case GGML_TYPE_Q5_0: case GGML_TYPE_Q5_0:
dequant = true; dequant = true;
@ -291,7 +413,7 @@ void ggml_cl_sgemm_wrapper(
dequant = true; dequant = true;
kernel = kernel_q8_0; kernel = kernel_q8_0;
local = 32; local = 32;
size_qb = global * (sizeof(float) + local) / 32; size_qb = global * (sizeof(ggml_fp16_t) + local) / 32;
break; break;
default: default:
fprintf(stderr, "Error: Unsupported OpenCL btype %d\n", btype); fprintf(stderr, "Error: Unsupported OpenCL btype %d\n", btype);
@ -313,49 +435,40 @@ void ggml_cl_sgemm_wrapper(
cl_event ev_a, ev_qb, ev_b; cl_event ev_a, ev_qb, ev_b;
if (dequant) { if (dequant) {
err = clSetKernelArg(kernel, 0, sizeof(cl_mem), &cl_buffer_qb); CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), &cl_buffer_qb));
err |= clSetKernelArg(kernel, 1, sizeof(cl_mem), &cl_buffer_b); CL_CHECK(clSetKernelArg(kernel, 1, sizeof(cl_mem), &cl_buffer_b));
CL_CHECK(err, "clSetKernelArg"); CL_CHECK(clEnqueueWriteBuffer(queue, cl_buffer_qb, CL_FALSE, 0, size_qb, host_b, 0, NULL, &ev_qb));
err = clEnqueueWriteBuffer(queue, cl_buffer_qb, CL_FALSE, 0, size_qb, host_b, 0, NULL, &ev_qb);
CL_CHECK(err, "clEnqueueWriteBuffer qb");
} else { } else {
err = clEnqueueWriteBuffer(queue, cl_buffer_b, CL_FALSE, 0, size_b, host_b, 0, NULL, &ev_b); CL_CHECK(clEnqueueWriteBuffer(queue, cl_buffer_b, CL_FALSE, 0, size_b, host_b, 0, NULL, &ev_b));
CL_CHECK(err, "clEnqueueWriteBuffer b");
} }
err = clEnqueueWriteBuffer(queue, cl_buffer_a, CL_FALSE, 0, size_a, host_a, 0, NULL, &ev_a); CL_CHECK(clEnqueueWriteBuffer(queue, cl_buffer_a, CL_FALSE, 0, size_a, host_a, 0, NULL, &ev_a));
CL_CHECK(err, "clEnqueueWriteBuffer a");
if (dequant) { if (dequant) {
err = clEnqueueNDRangeKernel(queue, kernel, 1, NULL, &global, &local, 1, &ev_qb, &ev_b); CL_CHECK(clEnqueueNDRangeKernel(queue, kernel, 1, NULL, &global, &local, 1, &ev_qb, &ev_b));
CL_CHECK(err, "clEnqueueNDRangeKernel"); CL_CHECK(clReleaseEvent(ev_qb));
clReleaseEvent(ev_qb);
} }
clWaitForEvents(1, &ev_a); CL_CHECK(clWaitForEvents(1, &ev_a));
clWaitForEvents(1, &ev_b); CL_CHECK(clWaitForEvents(1, &ev_b));
clReleaseEvent(ev_a); CL_CHECK(clReleaseEvent(ev_a));
clReleaseEvent(ev_b); CL_CHECK(clReleaseEvent(ev_b));
cl_event ev_sgemm; cl_event ev_sgemm;
CLBlastStatusCode status = CLBlastSgemm((CLBlastLayout)order, CLBLAST_CHECK(CLBlastSgemm(
(CLBlastTranspose)trans_a, (CLBlastTranspose)trans_b, (CLBlastLayout)order,
m, n, k, (CLBlastTranspose)trans_a, (CLBlastTranspose)trans_b,
alpha, m, n, k,
cl_buffer_a, 0, lda, alpha,
cl_buffer_b, 0, ldb, cl_buffer_a, 0, lda,
beta, cl_buffer_b, 0, ldb,
cl_buffer_c, 0, ldc, beta,
&queue, &ev_sgemm); cl_buffer_c, 0, ldc,
&queue, &ev_sgemm));
if (status != CLBlastSuccess) {
fprintf(stderr, "Error: CLBlast SGEMM %d\n", status);
abort();
}
cl_event ev_c; cl_event ev_c;
clEnqueueReadBuffer(queue, cl_buffer_c, CL_TRUE, 0, size_c, host_c, 1, &ev_sgemm, &ev_c); CL_CHECK(clEnqueueReadBuffer(queue, cl_buffer_c, CL_TRUE, 0, size_c, host_c, 1, &ev_sgemm, &ev_c));
// Wait for completion // Wait for completion
clWaitForEvents(1, &ev_c); CL_CHECK(clWaitForEvents(1, &ev_c));
clReleaseEvent(ev_sgemm); CL_CHECK(clReleaseEvent(ev_sgemm));
clReleaseEvent(ev_c); CL_CHECK(clReleaseEvent(ev_c));
} }