+++ /dev/null
-#include "ggml-opencl.h"
-
-#define CL_TARGET_OPENCL_VERSION 110
-#include <clblast_c.h>
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "ggml.h"
-
-#define MULTILINE_QUOTE(...) #__VA_ARGS__
-const char * clblast_dequant = MULTILINE_QUOTE(
-
-typedef uchar uint8_t;
-typedef int int32_t;
-typedef uint uint32_t;
-
-constant uint QK4_0 = 32;
-struct block_q4_0
-{
- float d;
- uint8_t qs[QK4_0 / 2];
-};
-
-constant uint QK4_1 = 32;
-struct block_q4_1
-{
- float d;
- float m;
- uint8_t qs[QK4_1 / 2];
-};
-
-constant uint QK5_0 = 32;
-struct __attribute__ ((packed)) block_q5_0
-{
- half d;
- uint32_t qh;
- uint8_t qs[QK5_0 / 2];
-};
-
-constant uint QK5_1 = 32;
-struct block_q5_1
-{
- half d;
- half m;
- uint32_t qh;
- uint8_t qs[QK5_1 / 2];
-};
-
-constant uint QK8_0 = 32;
-struct block_q8_0
-{
- float d;
- uint8_t qs[QK8_0];
-};
-
-
-__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) / qk;
- const uint j = get_local_id(0);
-
- const float d = x[i].d;
-
- const int x0 = (x[i].qs[j] & 0xf) - 8;
- const int x1 = (x[i].qs[j] >> 4) - 8;
-
- y[i*qk + j + 0 ] = x0*d;
- y[i*qk + j + qk/2] = x1*d;
-}
-
-__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) / qk;
- const uint j = get_local_id(0);
-
- const float d = x[i].d;
- const float m = x[i].m;
-
- const int x0 = (x[i].qs[j] & 0xf);
- const int x1 = (x[i].qs[j] >> 4);
-
- y[i*qk + j + 0 ] = x0*d + m;
- y[i*qk + j + qk/2] = x1*d + m;
-}
-
-__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) / qk;
- const uint j = get_local_id(0);
-
- const float d = vload_half(0, (__global half*) &x[i].d);
-
- uint32_t qh = x[i].qh;
-
- const uint8_t xh_0 = ((qh >> (j + 0)) << 4) & 0x10;
- const uint8_t xh_1 = ((qh >> (j + 12)) ) & 0x10;
-
- const int32_t x0 = ((x[i].qs[j] & 0xf) | xh_0) - 16;
- const int32_t x1 = ((x[i].qs[j] >> 4) | xh_1) - 16;
-
- y[i*qk + j + 0 ] = x0*d;
- y[i*qk + j + qk/2] = x1*d;
-}
-
-__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) / qk;
- const uint j = get_local_id(0);
-
- const float d = vload_half(0, (__global half*) &x[i].d);
- const float m = vload_half(0, (__global half*) &x[i].m);
-
- uint32_t qh = x[i].qh;
-
- const uint8_t xh_0 = ((qh >> (j + 0)) << 4) & 0x10;
- const uint8_t xh_1 = ((qh >> (j + 12)) ) & 0x10;
-
- const int x0 = (x[i].qs[j] & 0xf) | xh_0;
- const int x1 = (x[i].qs[j] >> 4) | xh_1;
-
- y[i*qk + j + 0 ] = x0*d + m;
- y[i*qk + j + qk/2] = x1*d + m;
-}
-
-__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) / qk;
- const uint j = get_local_id(0);
-
- const float d = x[i].d;
- y[i*qk + j] = x[i].qs[j]*d;
-}
-
-);
-
-#define CL_CHECK(err, name) \
- do { \
- cl_int err_ = (err); \
- if (err_ != CL_SUCCESS) { \
- fprintf(stderr, "OpenCL %s error %d at %s:%d\n", name, err_, __FILE__, __LINE__); \
- exit(1); \
- } \
- } while (0)
-
-static cl_platform_id platform;
-static cl_device_id device;
-static cl_context context;
-static cl_command_queue queue;
-static cl_program program;
-static cl_kernel kernel_q4_0, kernel_q4_1, kernel_q5_0, kernel_q5_1, kernel_q8_0;
-static cl_mem cl_buffer_a, cl_buffer_qb, cl_buffer_b, cl_buffer_c;
-static size_t cl_size_a = 0, cl_size_qb = 0, cl_size_b = 0, cl_size_c = 0;
-
-static cl_program build_program_from_source(cl_context ctx, cl_device_id dev, const char* program_buffer) {
- cl_program p;
- char *program_log;
- size_t program_size, log_size;
- int err;
-
- program_size = strlen(program_buffer);
-
- p = clCreateProgramWithSource(ctx, 1, (const char**)&program_buffer, &program_size, &err);
- if(err < 0) {
- fprintf(stderr, "OpenCL error creating program");
- exit(1);
- }
-
- err = clBuildProgram(p, 0, NULL, NULL, NULL, NULL);
- if(err < 0) {
-
- clGetProgramBuildInfo(p, dev, CL_PROGRAM_BUILD_LOG, 0, NULL, &log_size);
- program_log = (char*) malloc(log_size + 1);
- program_log[log_size] = '\0';
- clGetProgramBuildInfo(p, dev, CL_PROGRAM_BUILD_LOG, log_size + 1, program_log, NULL);
- printf("%s\n", program_log);
- free(program_log);
- exit(1);
- }
-
- return p;
-}
-
-void ggml_cl_init(void) {
- 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);
- free(devices);
-
- program = build_program_from_source(context, device, clblast_dequant);
-
- // Prepare dequantize kernels
- kernel_q4_0 = clCreateKernel(program, "dequantize_row_q4_0", &err);
- CL_CHECK(err, "clCreateKernel");
- kernel_q4_1 = clCreateKernel(program, "dequantize_row_q4_1", &err);
- CL_CHECK(err, "clCreateKernel");
- kernel_q5_0 = clCreateKernel(program, "dequantize_row_q5_0", &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) {
- if (req_size <= *cur_size) {
- return;
- }
-
- // Reallocate buffer with enough space
- if (*cur_size > 0) {
- clReleaseMemObject(*buf);
- }
- cl_int err;
- *buf = clCreateBuffer(context, flags, req_size, NULL, &err);
- *cur_size = req_size;
- CL_CHECK(err, "clCreateBuffer");
-}
-
-void ggml_cl_sgemm_wrapper(
- const enum ggml_blas_order order, const enum ggml_blas_op trans_a, const enum ggml_blas_op 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_kernel kernel;
- size_t global = n * k, local, size_qb;
- bool dequant;
-
- switch (btype) {
- case GGML_TYPE_F32:
- dequant = false;
- break;
- case GGML_TYPE_Q4_0:
- dequant = true;
- kernel = kernel_q4_0;
- local = 16;
- size_qb = global * (sizeof(float) + local) / 32;
- break;
- case GGML_TYPE_Q4_1:
- dequant = true;
- kernel = kernel_q4_1;
- local = 16;
- size_qb = global * (sizeof(float) * 2 + local) / 32;
- break;
- case GGML_TYPE_Q5_0:
- dequant = true;
- kernel = kernel_q5_0;
- local = 16;
- size_qb = global * (sizeof(ggml_fp16_t) + sizeof(uint32_t) + local) / 32;
- break;
- case GGML_TYPE_Q5_1:
- dequant = true;
- kernel = kernel_q5_1;
- local = 16;
- size_qb = global * (sizeof(ggml_fp16_t) * 2 + sizeof(uint32_t) + local) / 32;
- break;
- case GGML_TYPE_Q8_0:
- dequant = true;
- kernel = kernel_q8_0;
- local = 32;
- size_qb = global * (sizeof(float) + local) / 32;
- break;
- default:
- fprintf(stderr, "Error: Unsupported OpenCL btype %d\n", btype);
- abort();
- }
-
- const size_t size_a = m * k * sizeof(float);
- const size_t size_b = n * k * sizeof(float);
- const size_t size_c = m * n * sizeof(float);
-
- // Prepare buffers
- ggml_cl_malloc(size_a, &cl_size_a, CL_MEM_READ_ONLY, &cl_buffer_a);
- if (dequant) {
- ggml_cl_malloc(size_qb, &cl_size_qb, CL_MEM_READ_ONLY, &cl_buffer_qb);
- }
- ggml_cl_malloc(size_b, &cl_size_b, CL_MEM_READ_WRITE, &cl_buffer_b);
- ggml_cl_malloc(size_c, &cl_size_c, CL_MEM_WRITE_ONLY, &cl_buffer_c);
-
- cl_event ev_a, ev_qb, ev_b;
-
- if (dequant) {
- err = clSetKernelArg(kernel, 0, sizeof(cl_mem), &cl_buffer_qb);
- err |= clSetKernelArg(kernel, 1, sizeof(cl_mem), &cl_buffer_b);
- CL_CHECK(err, "clSetKernelArg");
- err = clEnqueueWriteBuffer(queue, cl_buffer_qb, CL_FALSE, 0, size_qb, host_b, 0, NULL, &ev_qb);
- CL_CHECK(err, "clEnqueueWriteBuffer qb");
- } else {
- err = 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(err, "clEnqueueWriteBuffer a");
- if (dequant) {
- err = clEnqueueNDRangeKernel(queue, kernel, 1, NULL, &global, &local, 1, &ev_qb, &ev_b);
- CL_CHECK(err, "clEnqueueNDRangeKernel");
- clReleaseEvent(ev_qb);
- }
- clWaitForEvents(1, &ev_a);
- clWaitForEvents(1, &ev_b);
- clReleaseEvent(ev_a);
- clReleaseEvent(ev_b);
-
- cl_event ev_sgemm;
- CLBlastStatusCode status = CLBlastSgemm((CLBlastLayout)order,
- (CLBlastTranspose)trans_a, (CLBlastTranspose)trans_b,
- m, n, k,
- alpha,
- cl_buffer_a, 0, lda,
- cl_buffer_b, 0, ldb,
- beta,
- cl_buffer_c, 0, ldc,
- &queue, &ev_sgemm);
-
- if (status != CLBlastSuccess) {
- fprintf(stderr, "Error: CLBlast SGEMM %d\n", status);
- abort();
- }
-
- cl_event ev_c;
- clEnqueueReadBuffer(queue, cl_buffer_c, CL_TRUE, 0, size_c, host_c, 1, &ev_sgemm, &ev_c);
-
- // Wait for completion
- clWaitForEvents(1, &ev_c);
- clReleaseEvent(ev_sgemm);
- clReleaseEvent(ev_c);
-}
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