vbatts/llama.cpp
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Finish merge of ClBlast support

Browse source
This commit is contained in:
0cc4m 2023-04-15 12:03:11 +02:00
parent b7143c1a2e
commit 6f66870726
3 changed files with 272 additions and 260 deletions
Download patch file Download diff file Expand all files Collapse all files

333
ggml.c
View file

@ -143,28 +143,213 @@ inline static void* ggml_aligned_malloc(size_t size) {
} \ } \
} while (0) } while (0)
#if GGML_USE_CLBLAST
#ifndef GGML_USE_OPENBLAS
#define GGML_USE_OPENBLAS
#endif
#define CL_TARGET_OPENCL_VERSION 110
#include <clblast_c.h>
cl_platform_id platform;
cl_device_id device;
cl_context context;
cl_command_queue queue;
cl_event event;
bool cl_initialized = false;
#endif
#if defined(GGML_USE_ACCELERATE) #if defined(GGML_USE_ACCELERATE)
#include <Accelerate/Accelerate.h> #include <Accelerate/Accelerate.h>
#elif defined(GGML_USE_OPENBLAS) #elif defined(GGML_USE_OPENBLAS)
#include <cblas.h> #include <cblas.h>
#elif defined(GGML_USE_CUBLAS) #elif defined(GGML_USE_CUBLAS)
#include "ggml-cuda.h" #include "ggml-cuda.h"
#elif defined(GGML_USE_CLBLAST)
#define CL_TARGET_OPENCL_VERSION 110
#include <clblast_c.h>
#include <ggml_clblast_dequant.cl>
#include <cblas.h>
cl_platform_id platform;
cl_device_id device;
cl_context context;
cl_command_queue queue;
cl_program program;
cl_kernel kernel_q4_0, kernel_q4_1;
bool cl_initialized = false;
size_t cl_size_a = 0, cl_size_b = 0, cl_size_c = 0;
cl_program build_program_from_source(cl_context ctx, cl_device_id dev, const char* program_buffer) {
cl_program program;
char *program_log;
size_t program_size, log_size;
int err;
program_size = strlen(program_buffer);
program = clCreateProgramWithSource(ctx, 1,
(const char**)&program_buffer, &program_size, &err);
if(err < 0) {
perror("OpenCL error creating program");
exit(1);
}
err = clBuildProgram(program, 0, NULL, NULL, NULL, NULL);
if(err < 0) {
clGetProgramBuildInfo(program, dev, CL_PROGRAM_BUILD_LOG,
0, NULL, &log_size);
program_log = (char*) malloc(log_size + 1);
program_log[log_size] = '\0';
clGetProgramBuildInfo(program, dev, CL_PROGRAM_BUILD_LOG,
log_size + 1, program_log, NULL);
printf("%s\n", program_log);
free(program_log);
exit(1);
}
return program;
}
static void ggml_cl_init() {
cl_int err = 0;
char * KCPP_CLBLAST_PLATFORM = getenv("KCPP_CLBLAST_PLATFORM");
char * KCPP_CLBLAST_DEVICES = getenv("KCPP_CLBLAST_DEVICES");
int plat_num = (KCPP_CLBLAST_PLATFORM == NULL ? 0 : atoi(KCPP_CLBLAST_PLATFORM));
int dev_num = (KCPP_CLBLAST_DEVICES == NULL ? 0 : atoi(KCPP_CLBLAST_DEVICES));
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);
if (err != CL_SUCCESS) {
printf("Error creating OpenCL context: %d\n", err);
fflush(stdout);
}
queue = clCreateCommandQueue(context, device, 0, &err);
if (err != CL_SUCCESS) {
printf("Error creating OpenCL Command Queue: %d\n", err);
fflush(stdout);
}
free(platforms);
free(devices);
program = build_program_from_source(context, device, clblast_dequant);
// Prepare dequantize kernels
kernel_q4_0 = clCreateKernel(program, "dequantize_row_q4_0", &err);
if(err < 0) {
printf("Error creating OpenCL dequantize q4_0 kernel: %d\n", err);
fflush(stdout);
};
kernel_q4_1 = clCreateKernel(program, "dequantize_row_q4_1", &err);
if(err < 0) {
printf("Error creating OpenCL dequantize q4_1 kernel: %d\n", err);
fflush(stdout);
};
cl_initialized = true;
}
static void ggml_cl_sgemm_wrapper(const CBLAS_ORDER order, const CBLAS_TRANSPOSE trans_a, const CBLAS_TRANSPOSE trans_b, const int m, const int n, const int k, const float alpha, const void *host_a, const int lda, const float *host_b, const int ldb, const float beta, float *host_c, const int ldc, const int btype) {
cl_int err = 0;
cl_event events[4];
events[0] = NULL;
events[1] = NULL;
events[2] = NULL;
events[3] = NULL;
if (!cl_initialized) {
ggml_cl_init();
}
bool dequant = (btype == 2 || btype == 3);
cl_kernel kernel = btype == 2 ? kernel_q4_0 : kernel_q4_1;
size_t global = n * k, local = 16, qb_size;
cl_mem cl_buffer_a, cl_buffer_qb, cl_buffer_b, cl_buffer_c;
// Prepare buffers
cl_buffer_a = clCreateBuffer(context, CL_MEM_READ_ONLY, m*k*sizeof(float), NULL, &err);
if (err != CL_SUCCESS) {
printf("Error creating OpenCL Buffer A: %d\n", err);
fflush(stdout);
}
if (dequant) {
qb_size = global * (sizeof(float) * (btype == 2 ? 1 : 2) + 16) / 32;
cl_buffer_qb = clCreateBuffer(context, CL_MEM_READ_ONLY, qb_size, NULL, &err);
if (err != CL_SUCCESS) {
printf("Error creating OpenCL Buffer QB: %d\n", err);
fflush(stdout);
}
}
cl_buffer_b = clCreateBuffer(context, CL_MEM_READ_WRITE, n*k*sizeof(float), NULL, &err);
if (err != CL_SUCCESS) {
printf("Error creating OpenCL Buffer B: %d\n", err);
fflush(stdout);
}
cl_buffer_c = clCreateBuffer(context, CL_MEM_READ_WRITE, m*n*sizeof(float), NULL, &err);
if (err != CL_SUCCESS) {
printf("Error creating OpenCL Buffer C: %d\n", err);
fflush(stdout);
}
if (dequant) {
err = clSetKernelArg(kernel, 0, sizeof(cl_mem), &cl_buffer_qb);
err |= clSetKernelArg(kernel, 1, sizeof(cl_mem), &cl_buffer_b);
if(err < 0) {
printf("Error setting OpenCL kernel args: %d\n", err);
fflush(stdout);
}
clEnqueueWriteBuffer(queue, cl_buffer_qb, CL_FALSE, 0, qb_size, host_b, 0, NULL, events + 1);
} else {
clEnqueueWriteBuffer(queue, cl_buffer_b, CL_FALSE, 0, n*k*sizeof(float), host_b, 0, NULL, events + 1);
}
clEnqueueWriteBuffer(queue, cl_buffer_a, CL_FALSE, 0, m*k*sizeof(float), host_a, 0, NULL, events);
clEnqueueWriteBuffer(queue, cl_buffer_c, CL_FALSE, 0, m*n*sizeof(float), host_c, 0, NULL, events + 2);
if (dequant) {
err = clEnqueueNDRangeKernel(queue, kernel, 1, NULL, &global, &local, 1, events + 1, events + 3);
if(err < 0) {
printf("Error enqueueing OpenCL dequantize kernel: %d\n", err);
fflush(stdout);
}
}
clWaitForEvents(dequant ? 4 : 3, events);
clReleaseEvent(events[0]);
clReleaseEvent(events[1]);
clReleaseEvent(events[2]);
if (dequant) {
clReleaseEvent(events[3]);
}
// Call the SGEMM routine.
CLBlastStatusCode status = CLBlastSgemm(order,
trans_a, trans_b,
m, n, k,
alpha,
cl_buffer_a, 0, lda,
cl_buffer_b, 0, ldb,
beta,
cl_buffer_c, 0, ldc,
&queue, events);
clEnqueueReadBuffer(queue, cl_buffer_c, CL_TRUE, 0, m*n*sizeof(float), host_c, 1, events, events + 1);
// Wait for completion
if (status == CLBlastSuccess) {
clWaitForEvents(2, events);
clReleaseEvent(events[0]);
clReleaseEvent(events[1]);
}
clReleaseMemObject(cl_buffer_a);
if (dequant) {
clReleaseMemObject(cl_buffer_qb);
}
clReleaseMemObject(cl_buffer_b);
clReleaseMemObject(cl_buffer_c);
}
#endif #endif
#undef MIN #undef MIN
@ -3705,6 +3890,8 @@ struct ggml_context * ggml_init(struct ggml_init_params params) {
// initialize cuBLAS // initialize cuBLAS
#if defined(GGML_USE_CUBLAS) #if defined(GGML_USE_CUBLAS)
ggml_init_cublas(); ggml_init_cublas();
#elif defined(GGML_USE_CLBLAST)
ggml_cl_init();
#endif #endif
is_first_call = false; is_first_call = false;
@ -7464,84 +7651,6 @@ static bool ggml_compute_forward_mul_mat_use_blas(
return false; return false;
} }
#ifdef GGML_USE_CLBLAST
static bool ggml_cl_sgemm_wrapper(const enum CBLAS_ORDER order, const enum CBLAS_TRANSPOSE trans_a, const enum CBLAS_TRANSPOSE trans_b, const int m, const int n, const int k, const float alpha, const float *host_a, const int lda, const float *host_b, const int ldb, const float beta, float *host_c, const int ldc) {
cl_int err = 0;
if (!cl_initialized) {
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[0];
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[0];
context = clCreateContext(NULL, 1, &device, NULL, NULL, &err);
if (err != CL_SUCCESS) {
printf("Error creating OpenCL context: %d\n", err);
fflush(stdout);
}
queue = clCreateCommandQueue(context, device, 0, &err);
event = NULL;
if (err != CL_SUCCESS) {
printf("Error creating OpenCL Command Queue: %d\n", err);
fflush(stdout);
}
free(platforms);
free(devices);
cl_initialized = true;
}
// Prepare buffers
cl_mem cl_buffer_a = clCreateBuffer(context, CL_MEM_READ_WRITE, m*k*sizeof(float), NULL, &err);
if (err != CL_SUCCESS) {
printf("Error creating OpenCL Buffer A: %d\n", err);
fflush(stdout);
}
cl_mem cl_buffer_b = clCreateBuffer(context, CL_MEM_READ_WRITE, n*k*sizeof(float), NULL, &err);
if (err != CL_SUCCESS) {
printf("Error creating OpenCL Buffer B: %d\n", err);
fflush(stdout);
}
cl_mem cl_buffer_c = clCreateBuffer(context, CL_MEM_READ_WRITE, m*n*sizeof(float), NULL, &err);
if (err != CL_SUCCESS) {
printf("Error creating OpenCL Buffer C: %d\n", err);
fflush(stdout);
}
clEnqueueWriteBuffer(queue, cl_buffer_a, CL_TRUE, 0, m*k*sizeof(float), host_a, 0, NULL, NULL);
clEnqueueWriteBuffer(queue, cl_buffer_b, CL_TRUE, 0, n*k*sizeof(float), host_b, 0, NULL, NULL);
clEnqueueWriteBuffer(queue, cl_buffer_c, CL_TRUE, 0, m*n*sizeof(float), host_c, 0, NULL, NULL);
// Call the SGEMM routine.
CLBlastStatusCode status = CLBlastSgemm(order,
trans_a, trans_b,
m, n, k,
alpha,
cl_buffer_a, 0, lda,
cl_buffer_b, 0, ldb,
beta,
cl_buffer_c, 0, ldc,
&queue, &event);
// Wait for completion
if (status == CLBlastSuccess) {
clWaitForEvents(1, &event);
clReleaseEvent(event);
}
clEnqueueReadBuffer(queue, cl_buffer_c, CL_TRUE, 0, m*n*sizeof(float), host_c, 0, NULL, NULL);
clReleaseMemObject(cl_buffer_a);
clReleaseMemObject(cl_buffer_b);
clReleaseMemObject(cl_buffer_c);
}
#endif
#endif #endif
static void ggml_compute_forward_mul_mat_f32( static void ggml_compute_forward_mul_mat_f32(
@ -7663,14 +7772,14 @@ static void ggml_compute_forward_mul_mat_f32(
// copy data to host // copy data to host
CUDA_CHECK(cudaMemcpyAsync(d, d_D, sizeof(float) * d_ne, cudaMemcpyDeviceToHost, g_cudaStream)); CUDA_CHECK(cudaMemcpyAsync(d, d_D, sizeof(float) * d_ne, cudaMemcpyDeviceToHost, g_cudaStream));
#else #elif defined(GGML_USE_CLBLAST)
// zT = y * xT // zT = y * xT
#ifdef GGML_USE_CLBLAST
ggml_cl_sgemm_wrapper(CblasRowMajor, CblasNoTrans, CblasTrans, ggml_cl_sgemm_wrapper(CblasRowMajor, CblasNoTrans, CblasTrans,
ne11, ne01, ne10, ne11, ne01, ne10,
1.0f, y, ne10, 1.0f, y, ne10,
x, ne10, x, ne10,
0.0f, d, ne01); 0.0f, d, ne01,
params->type);
#else #else
cblas_sgemm(CblasRowMajor, CblasNoTrans, CblasTrans, cblas_sgemm(CblasRowMajor, CblasNoTrans, CblasTrans,
ne11, ne01, ne10, ne11, ne01, ne10,
@ -7892,6 +8001,19 @@ static void ggml_compute_forward_mul_mat_f16_f32(
// copy data to host // copy data to host
CUDA_CHECK(cudaMemcpyAsync(d, d_D, sizeof(float) * d_ne, cudaMemcpyDeviceToHost, g_cudaStream)); CUDA_CHECK(cudaMemcpyAsync(d, d_D, sizeof(float) * d_ne, cudaMemcpyDeviceToHost, g_cudaStream));
#elif defined(GGML_USE_CLBLAST)
const float * x = wdata;
const float * y = (float *) ((char *) src1->data + i02*nb12 + i03*nb13);
float * d = (float *) ((char *) dst->data + i02*nb2 + i03*nb3);
// zT = y * xT
ggml_cl_sgemm_wrapper(CblasRowMajor, CblasNoTrans, CblasTrans,
ne11, ne01, ne10,
1.0f, y, ne10,
x, ne10,
0.0f, d, ne01,
params->type);
#else #else
const float * x = wdata; const float * x = wdata;
const float * y = (float *) ((char *) src1->data + i02*nb12 + i03*nb13); const float * y = (float *) ((char *) src1->data + i02*nb12 + i03*nb13);
@ -7899,13 +8021,6 @@ static void ggml_compute_forward_mul_mat_f16_f32(
float * d = (float *) ((char *) dst->data + i02*nb2 + i03*nb3); float * d = (float *) ((char *) dst->data + i02*nb2 + i03*nb3);
// zT = y * xT // zT = y * xT
#ifdef GGML_USE_CLBLAST
ggml_cl_sgemm_wrapper(CblasRowMajor, CblasNoTrans, CblasTrans,
ne11, ne01, ne10,
1.0f, y, ne10,
x, ne10,
0.0f, d, ne01);
#else
cblas_sgemm(CblasRowMajor, CblasNoTrans, CblasTrans, cblas_sgemm(CblasRowMajor, CblasNoTrans, CblasTrans,
ne11, ne01, ne10, ne11, ne01, ne10,
1.0f, y, ne10, 1.0f, y, ne10,
@ -8135,6 +8250,7 @@ static void ggml_compute_forward_mul_mat_q_f32(
dequantize_row_q_cuda(d_Q, d_X, ne01 * ne00, g_cudaStream); dequantize_row_q_cuda(d_Q, d_X, ne01 * ne00, g_cudaStream);
CUDA_CHECK(cudaGetLastError()); CUDA_CHECK(cudaGetLastError());
#else #else
#ifndef GGML_USE_CLBLAST
{ {
size_t id = 0; size_t id = 0;
for (int64_t i01 = 0; i01 < ne01; ++i01) { for (int64_t i01 = 0; i01 < ne01; ++i01) {
@ -8143,6 +8259,9 @@ static void ggml_compute_forward_mul_mat_q_f32(
} }
} }
const float * x = wdata; const float * x = wdata;
#else
const void* x = src0->data + i03*nb03 + i02*nb02;
#endif
#endif #endif
@ -8160,14 +8279,14 @@ static void ggml_compute_forward_mul_mat_q_f32(
// copy data to host // copy data to host
CUDA_CHECK(cudaMemcpyAsync(d, d_D, sizeof(float) * d_ne, cudaMemcpyDeviceToHost, g_cudaStream)); CUDA_CHECK(cudaMemcpyAsync(d, d_D, sizeof(float) * d_ne, cudaMemcpyDeviceToHost, g_cudaStream));
#else #elif defined(GGML_USE_CLBLAST)
// zT = y * xT // zT = y * xT
#ifdef GGML_USE_CLBLAST
ggml_cl_sgemm_wrapper(CblasRowMajor, CblasNoTrans, CblasTrans, ggml_cl_sgemm_wrapper(CblasRowMajor, CblasNoTrans, CblasTrans,
ne11, ne01, ne10, ne11, ne01, ne10,
1.0f, y, ne10, 1.0f, y, ne10,
x, ne10, x, ne10,
0.0f, d, ne01); 0.0f, d, ne01,
type);
#else #else
cblas_sgemm(CblasRowMajor, CblasNoTrans, CblasTrans, cblas_sgemm(CblasRowMajor, CblasNoTrans, CblasTrans,
ne11, ne01, ne10, ne11, ne01, ne10,

153
ggml_blas_adapter.c
View file

@ -1,153 +0,0 @@
//this is a drop-in for all CLBlast related code, to keep the main ggml.c unmodified
// we will imitate the function definition from OpenBLAS instead, replaced as necessary.
//windows binaries for clblast obtained from https://github.com/CNugteren/CLBlast (apache license)
//windows binaries for opencl obtained from https://github.com/KhronosGroup/OpenCL-SDK (apache license)
#if GGML_USE_OPENBLAS
#include <cblas.h>
#include <stdio.h>
#include <stdlib.h>
#if GGML_USE_CLBLAST
#define CL_TARGET_OPENCL_VERSION 110
#include <clblast_c.h>
cl_platform_id platform;
cl_device_id device;
cl_context context;
cl_command_queue queue;
bool cl_initialized = false;
size_t cl_size_a = 0, cl_size_b = 0, cl_size_c = 0;
cl_mem cl_buffer_a, cl_buffer_b, cl_buffer_c;
static void ggml_cl_sgemm_wrapper(const enum CBLAS_ORDER order, const enum CBLAS_TRANSPOSE trans_a, const enum CBLAS_TRANSPOSE trans_b, const int m, const int n, const int k, const float alpha, const float *host_a, const int lda, const float *host_b, const int ldb, const float beta, float *host_c, const int ldc) {
cl_int err = 0;
cl_event events[2];
events[0] = NULL;
events[1] = NULL;
if (!cl_initialized) {
char * KCPP_CLBLAST_PLATFORM = getenv("KCPP_CLBLAST_PLATFORM");
char * KCPP_CLBLAST_DEVICES = getenv("KCPP_CLBLAST_DEVICES");
int plat_num = (KCPP_CLBLAST_PLATFORM == NULL ? 0 : atoi(KCPP_CLBLAST_PLATFORM));
int dev_num = (KCPP_CLBLAST_DEVICES == NULL ? 0 : atoi(KCPP_CLBLAST_DEVICES));
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);
if (err != CL_SUCCESS) {
printf("Error creating OpenCL context: %d\n", err);
fflush(stdout);
}
queue = clCreateCommandQueue(context, device, 0, &err);
if (err != CL_SUCCESS) {
printf("Error creating OpenCL Command Queue: %d\n", err);
fflush(stdout);
}
free(platforms);
free(devices);
cl_size_a = m * k * sizeof(float);
cl_size_b = n * k * sizeof(float);
cl_size_c = m * n * sizeof(float);
// Prepare buffers
cl_buffer_a = clCreateBuffer(context, CL_MEM_READ_ONLY, cl_size_a, NULL, &err);
if (err != CL_SUCCESS) {
printf("Error creating OpenCL Buffer A: %d\n", err);
fflush(stdout);
}
cl_buffer_b = clCreateBuffer(context, CL_MEM_READ_ONLY, cl_size_b, NULL, &err);
if (err != CL_SUCCESS) {
printf("Error creating OpenCL Buffer B: %d\n", err);
fflush(stdout);
}
cl_buffer_c = clCreateBuffer(context, CL_MEM_READ_WRITE, cl_size_c, NULL, &err);
if (err != CL_SUCCESS) {
printf("Error creating OpenCL Buffer C: %d\n", err);
fflush(stdout);
}
cl_initialized = true;
}
// Resize buffers if too small
if (m * k * sizeof(float) > cl_size_a) {
clReleaseMemObject(cl_buffer_a);
cl_size_a = m * k * sizeof(float);
cl_buffer_a = clCreateBuffer(context, CL_MEM_READ_ONLY, cl_size_a, NULL, NULL);
}
if (n * k * sizeof(float) > cl_size_b) {
clReleaseMemObject(cl_buffer_b);
cl_size_b = n * k * sizeof(float);
cl_buffer_b = clCreateBuffer(context, CL_MEM_READ_ONLY, cl_size_b, NULL, NULL);
}
if (m * n * sizeof(float) > cl_size_c) {
clReleaseMemObject(cl_buffer_c);
cl_size_c = m * n * sizeof(float);
cl_buffer_c = clCreateBuffer(context, CL_MEM_READ_WRITE, cl_size_c, NULL, NULL);
}
clEnqueueWriteBuffer(queue, cl_buffer_a, CL_TRUE, 0, cl_size_a, host_a, 0, NULL, events);
clEnqueueWriteBuffer(queue, cl_buffer_b, CL_TRUE, 0, cl_size_b, host_b, 0, NULL, events + 1);
// buffer c is not required for this use case
// clEnqueueWriteBuffer(queue, cl_buffer_c, CL_TRUE, 0, cl_size_c, host_c, 0, NULL, NULL);
clWaitForEvents(2, events);
clReleaseEvent(events[0]);
clReleaseEvent(events[1]);
// Call the SGEMM routine.
CLBlastStatusCode status = CLBlastSgemm(order,
trans_a, trans_b,
m, n, k,
alpha,
cl_buffer_a, 0, lda,
cl_buffer_b, 0, ldb,
beta,
cl_buffer_c, 0, ldc,
&queue, events);
clEnqueueReadBuffer(queue, cl_buffer_c, CL_TRUE, 0, m*n*sizeof(float), host_c, 1, events, events + 1);
// Wait for completion
if (status == CLBlastSuccess) {
clWaitForEvents(2, events);
clReleaseEvent(events[0]);
clReleaseEvent(events[1]);
}
}
#endif
#endif
#if defined(GGML_USE_ACCELERATE) || defined(GGML_USE_OPENBLAS)
#if GGML_USE_CLBLAST
#define do_blas_sgemm(Order, TransA, TransB,M, N, K,alpha, A, lda, B, ldb, beta, C, ldc) ({\
ggml_cl_sgemm_wrapper(Order, TransA, TransB, M, N, K, alpha, A, lda, B, ldb, beta, C, ldc);\
})
#else
#define do_blas_sgemm(Order, TransA, TransB,M, N, K,alpha, A, lda, B, ldb, beta, C, ldc) ({\
cblas_sgemm(Order, TransA, TransB, M, N, K, alpha, A, lda, B, ldb, beta, C, ldc);\
})
#endif
#endif

46
ggml_clblast_dequant.cl Normal file
View file

@ -0,0 +1,46 @@
#define MULTILINE_QUOTE(...) #__VA_ARGS__
const char * clblast_dequant = MULTILINE_QUOTE(
struct __attribute__ ((packed)) block_q4_0
{
float d;
uchar qs[16];
};
__kernel void dequantize_row_q4_0(__global struct block_q4_0* blocks, __global float* result) {
uint i, l;
i = get_global_id(0) / 32;
l = get_local_id(0);
float d = blocks[i].d;
uchar vi = blocks[i].qs[l];
uint index = i*32 + l*2;
result[index + 0] = ((vi & 0xf) - 8)*d;
result[index + 1] = ((vi >> 4) - 8)*d;
}
struct __attribute__ ((packed)) block_q4_1
{
float d;
float m;
uchar qs[16];
};
__kernel void dequantize_row_q4_1(__global struct block_q4_1* blocks, __global float* result) {
uint i, l;
i = get_global_id(0) / 32;
l = get_local_id(0);
float d = blocks[i].d;
float m = blocks[i].m;
uchar vi = blocks[i].qs[l];
uint index = i*32 + l*2;
result[index + 0] = (vi & 0xf) * d + m;
result[index + 1] = (vi >> 4) * d + m;
}
);