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-rw-r--r--ggml-opencl.c379
1 files changed, 246 insertions, 133 deletions
diff --git a/ggml-opencl.c b/ggml-opencl.c
index 31ab13b..e26631f 100644
--- a/ggml-opencl.c
+++ b/ggml-opencl.c
@@ -10,87 +10,77 @@
#include "ggml.h"
#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 int int32_t;
typedef uint uint32_t;
-constant uint QK4_0 = 32;
-struct block_q4_0
+struct __attribute__ ((packed)) block_q4_0
{
- float d;
- uint8_t qs[QK4_0 / 2];
+ half d;
+ uint8_t qs[16]; /* QK4_0 / 2 */
};
-constant uint QK4_1 = 32;
-struct block_q4_1
+struct __attribute__ ((packed)) block_q4_1
{
- float d;
- float m;
- uint8_t qs[QK4_1 / 2];
+ half d;
+ half m;
+ uint8_t qs[16]; /* 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];
+ uint8_t qs[16]; /* QK5_0 / 2 */
};
-constant uint QK5_1 = 32;
-struct block_q5_1
+struct __attribute__ ((packed)) block_q5_1
{
half d;
half m;
uint32_t qh;
- uint8_t qs[QK5_1 / 2];
+ uint8_t qs[16]; /* QK5_1 / 2 */
};
-constant uint QK8_0 = 32;
-struct block_q8_0
+struct __attribute__ ((packed)) block_q8_0
{
- float d;
- uint8_t qs[QK8_0];
+ half d;
+ int8_t qs[32]; /* 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 i = get_global_id(0) / 32; /* QK4_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 x1 = (x[i].qs[j] >> 4) - 8;
- y[i*qk + j + 0 ] = x0*d;
- y[i*qk + j + qk/2] = x1*d;
+ y[i*32 + j + 0 ] = x0*d;
+ y[i*32 + j + 16] = 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 i = get_global_id(0) / 32; /* QK4_1 */
const uint j = get_local_id(0);
- const float d = x[i].d;
- const float m = x[i].m;
+ const float d = vload_half(0, (__global half*) &x[i].d);
+ const float m = vload_half(0, (__global half*) &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;
+ y[i*32 + j + 0 ] = x0*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) {
- constant uint qk = QK5_0;
-
- const uint i = get_global_id(0) / qk;
+ const uint i = get_global_id(0) / 32; /* QK5_0 */
const uint j = get_local_id(0);
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 x1 = ((x[i].qs[j] >> 4) | xh_1) - 16;
- y[i*qk + j + 0 ] = x0*d;
- y[i*qk + j + qk/2] = x1*d;
+ y[i*32 + j + 0 ] = x0*d;
+ y[i*32 + j + 16] = 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 i = get_global_id(0) / 32; /* QK5_1 */
const uint j = get_local_id(0);
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 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;
+ y[i*32 + j + 0 ] = x0*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) {
- constant uint qk = QK8_0;
- const uint i = get_global_id(0) / qk;
+ const uint i = get_global_id(0) / 32; /* QK8_0 */
const uint j = get_local_id(0);
- const float d = x[i].d;
- y[i*qk + j] = x[i].qs[j]*d;
+ const float d = vload_half(0, (__global half*) &x[i].d);
+ y[i*32 + 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); \
- } \
+#define CL_CHECK(err) \
+ do { \
+ cl_int err_ = (err); \
+ if (err_ != CL_SUCCESS) { \
+ fprintf(stderr, "ggml_opencl: %s error %d at %s:%d\n", \
+ #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)
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) {
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);
+
+ struct cl_device;
+ 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;
+ };
+
+ 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
- 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");
+ CL_CHECK((kernel_q4_0 = clCreateKernel(program, "dequantize_row_q4_0", &err), err));
+ CL_CHECK((kernel_q4_1 = clCreateKernel(program, "dequantize_row_q4_1", &err), err));
+ CL_CHECK((kernel_q5_0 = clCreateKernel(program, "dequantize_row_q5_0", &err), err));
+ CL_CHECK((kernel_q5_1 = clCreateKernel(program, "dequantize_row_q5_1", &err), err));
+ CL_CHECK((kernel_q8_0 = clCreateKernel(program, "dequantize_row_q8_0", &err), err));
}
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);
}
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;
- CL_CHECK(err, "clCreateBuffer");
}
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 *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;
@@ -267,13 +389,13 @@ void ggml_cl_sgemm_wrapper(
dequant = true;
kernel = kernel_q4_0;
local = 16;
- size_qb = global * (sizeof(float) + local) / 32;
+ size_qb = global * (sizeof(ggml_fp16_t) + local) / 32;
break;
case GGML_TYPE_Q4_1:
dequant = true;
kernel = kernel_q4_1;
local = 16;
- size_qb = global * (sizeof(float) * 2 + local) / 32;
+ size_qb = global * (sizeof(ggml_fp16_t) * 2 + local) / 32;
break;
case GGML_TYPE_Q5_0:
dequant = true;
@@ -291,7 +413,7 @@ void ggml_cl_sgemm_wrapper(
dequant = true;
kernel = kernel_q8_0;
local = 32;
- size_qb = global * (sizeof(float) + local) / 32;
+ size_qb = global * (sizeof(ggml_fp16_t) + local) / 32;
break;
default:
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;
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");
+ CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), &cl_buffer_qb));
+ CL_CHECK(clSetKernelArg(kernel, 1, sizeof(cl_mem), &cl_buffer_b));
+ CL_CHECK(clEnqueueWriteBuffer(queue, cl_buffer_qb, CL_FALSE, 0, size_qb, host_b, 0, NULL, &ev_qb));
} else {
- err = clEnqueueWriteBuffer(queue, cl_buffer_b, CL_FALSE, 0, size_b, host_b, 0, NULL, &ev_b);
- CL_CHECK(err, "clEnqueueWriteBuffer b");
+ CL_CHECK(clEnqueueWriteBuffer(queue, cl_buffer_b, CL_FALSE, 0, size_b, host_b, 0, NULL, &ev_b));
}
- err = clEnqueueWriteBuffer(queue, cl_buffer_a, CL_FALSE, 0, size_a, host_a, 0, NULL, &ev_a);
- CL_CHECK(err, "clEnqueueWriteBuffer a");
+ CL_CHECK(clEnqueueWriteBuffer(queue, cl_buffer_a, CL_FALSE, 0, size_a, host_a, 0, NULL, &ev_a));
if (dequant) {
- err = clEnqueueNDRangeKernel(queue, kernel, 1, NULL, &global, &local, 1, &ev_qb, &ev_b);
- CL_CHECK(err, "clEnqueueNDRangeKernel");
- clReleaseEvent(ev_qb);
+ CL_CHECK(clEnqueueNDRangeKernel(queue, kernel, 1, NULL, &global, &local, 1, &ev_qb, &ev_b));
+ CL_CHECK(clReleaseEvent(ev_qb));
}
- clWaitForEvents(1, &ev_a);
- clWaitForEvents(1, &ev_b);
- clReleaseEvent(ev_a);
- clReleaseEvent(ev_b);
+ CL_CHECK(clWaitForEvents(1, &ev_a));
+ CL_CHECK(clWaitForEvents(1, &ev_b));
+ CL_CHECK(clReleaseEvent(ev_a));
+ CL_CHECK(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();
- }
+ CLBLAST_CHECK(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));
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
- clWaitForEvents(1, &ev_c);
- clReleaseEvent(ev_sgemm);
- clReleaseEvent(ev_c);
+ CL_CHECK(clWaitForEvents(1, &ev_c));
+ CL_CHECK(clReleaseEvent(ev_sgemm));
+ CL_CHECK(clReleaseEvent(ev_c));
}
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