mirror of
https://git.adityakumar.xyz/llama.cpp.git
synced 2024-11-12 16:29:44 +00:00
OpenCL: Fixes for older devices. (#1435)
* Remove `constant` * Rewrite platform and device selection * Fix Q8_0
This commit is contained in:
Henri Vasserman
GitHub
parent
29cf5596fe
commit
9ecb30f959
1 changed files with 244 additions and 131 deletions
375
ggml-opencl.c
375
ggml-opencl.c
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@ -10,87 +10,77 @@
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#include "ggml.h"
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#define MULTILINE_QUOTE(...) #__VA_ARGS__
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const char * clblast_dequant = MULTILINE_QUOTE(
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static const char * program_source = MULTILINE_QUOTE(
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typedef char int8_t;
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typedef uchar uint8_t;
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typedef int int32_t;
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typedef uint uint32_t;
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constant uint QK4_0 = 32;
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struct block_q4_0
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struct __attribute__ ((packed)) block_q4_0
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{
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float d;
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uint8_t qs[QK4_0 / 2];
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half d;
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uint8_t qs[16]; /* QK4_0 / 2 */
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};
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constant uint QK4_1 = 32;
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struct block_q4_1
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struct __attribute__ ((packed)) block_q4_1
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{
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float d;
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float m;
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uint8_t qs[QK4_1 / 2];
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half d;
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half m;
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uint8_t qs[16]; /* QK4_1 / 2 */
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};
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constant uint QK5_0 = 32;
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struct __attribute__ ((packed)) block_q5_0
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{
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half d;
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uint32_t qh;
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uint8_t qs[QK5_0 / 2];
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uint8_t qs[16]; /* QK5_0 / 2 */
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};
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constant uint QK5_1 = 32;
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struct block_q5_1
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struct __attribute__ ((packed)) block_q5_1
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{
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half d;
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half m;
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uint32_t qh;
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uint8_t qs[QK5_1 / 2];
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uint8_t qs[16]; /* QK5_1 / 2 */
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};
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constant uint QK8_0 = 32;
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struct block_q8_0
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struct __attribute__ ((packed)) block_q8_0
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{
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float d;
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uint8_t qs[QK8_0];
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half d;
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int8_t qs[32]; /* QK8_0 */
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};
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__kernel void dequantize_row_q4_0(__global struct block_q4_0* x, __global float* y) {
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constant uint qk = QK4_0;
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const uint i = get_global_id(0) / qk;
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const uint i = get_global_id(0) / 32; /* QK4_0 */
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const uint j = get_local_id(0);
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const float d = x[i].d;
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const float d = vload_half(0, (__global half*) &x[i].d);
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const int x0 = (x[i].qs[j] & 0xf) - 8;
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const int x1 = (x[i].qs[j] >> 4) - 8;
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y[i*qk + j + 0 ] = x0*d;
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y[i*qk + j + qk/2] = x1*d;
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y[i*32 + j + 0 ] = x0*d;
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y[i*32 + j + 16] = x1*d;
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}
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__kernel void dequantize_row_q4_1(__global struct block_q4_1* x, __global float* y) {
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constant uint qk = QK4_1;
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const uint i = get_global_id(0) / qk;
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const uint i = get_global_id(0) / 32; /* QK4_1 */
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const uint j = get_local_id(0);
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const float d = x[i].d;
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const float m = x[i].m;
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const float d = vload_half(0, (__global half*) &x[i].d);
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const float m = vload_half(0, (__global half*) &x[i].m);
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const int x0 = (x[i].qs[j] & 0xf);
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const int x1 = (x[i].qs[j] >> 4);
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y[i*qk + j + 0 ] = x0*d + m;
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y[i*qk + j + qk/2] = x1*d + m;
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y[i*32 + j + 0 ] = x0*d + m;
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y[i*32 + j + 16] = x1*d + m;
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}
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__kernel void dequantize_row_q5_0(__global struct block_q5_0* x, __global float* y) {
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constant uint qk = QK5_0;
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const uint i = get_global_id(0) / qk;
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const uint i = get_global_id(0) / 32; /* QK5_0 */
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const uint j = get_local_id(0);
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const float d = vload_half(0, (__global half*) &x[i].d);
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@ -103,14 +93,12 @@ __kernel void dequantize_row_q5_0(__global struct block_q5_0* x, __global float*
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const int32_t x0 = ((x[i].qs[j] & 0xf) | xh_0) - 16;
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const int32_t x1 = ((x[i].qs[j] >> 4) | xh_1) - 16;
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y[i*qk + j + 0 ] = x0*d;
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y[i*qk + j + qk/2] = x1*d;
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y[i*32 + j + 0 ] = x0*d;
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y[i*32 + j + 16] = x1*d;
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}
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__kernel void dequantize_row_q5_1(__global struct block_q5_1* x, __global float* y) {
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constant uint qk = QK5_1;
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const uint i = get_global_id(0) / qk;
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const uint i = get_global_id(0) / 32; /* QK5_1 */
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const uint j = get_local_id(0);
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const float d = vload_half(0, (__global half*) &x[i].d);
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@ -124,28 +112,38 @@ __kernel void dequantize_row_q5_1(__global struct block_q5_1* x, __global float*
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const int x0 = (x[i].qs[j] & 0xf) | xh_0;
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const int x1 = (x[i].qs[j] >> 4) | xh_1;
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y[i*qk + j + 0 ] = x0*d + m;
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y[i*qk + j + qk/2] = x1*d + m;
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y[i*32 + j + 0 ] = x0*d + m;
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y[i*32 + j + 16] = x1*d + m;
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}
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__kernel void dequantize_row_q8_0(__global struct block_q8_0* x, __global float* y) {
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constant uint qk = QK8_0;
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const uint i = get_global_id(0) / qk;
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const uint i = get_global_id(0) / 32; /* QK8_0 */
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const uint j = get_local_id(0);
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const float d = x[i].d;
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y[i*qk + j] = x[i].qs[j]*d;
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const float d = vload_half(0, (__global half*) &x[i].d);
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y[i*32 + j] = x[i].qs[j]*d;
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}
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);
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#define CL_CHECK(err, name) \
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do { \
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cl_int err_ = (err); \
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if (err_ != CL_SUCCESS) { \
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fprintf(stderr, "OpenCL %s error %d at %s:%d\n", name, err_, __FILE__, __LINE__); \
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exit(1); \
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} \
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#define CL_CHECK(err) \
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do { \
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cl_int err_ = (err); \
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if (err_ != CL_SUCCESS) { \
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fprintf(stderr, "ggml_opencl: %s error %d at %s:%d\n", \
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#err, err_, __FILE__, __LINE__); \
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exit(1); \
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} \
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} while (0)
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#define CLBLAST_CHECK(err) \
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do { \
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CLBlastStatusCode err_ = (err); \
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if (err_ != CLBlastSuccess) { \
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fprintf(stderr, "ggml_opencl: %s error %d at %s:%d\n", \
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#err, err_, __FILE__, __LINE__); \
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exit(1); \
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} \
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} while (0)
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static cl_platform_id platform;
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@ -188,48 +186,174 @@ static cl_program build_program_from_source(cl_context ctx, cl_device_id dev, co
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void ggml_cl_init(void) {
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cl_int err = 0;
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char * GGML_CLBLAST_PLATFORM = getenv("GGML_CLBLAST_PLATFORM");
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char * GGML_CLBLAST_DEVICE = getenv("GGML_CLBLAST_DEVICE");
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int plat_num = (GGML_CLBLAST_PLATFORM == NULL ? 0 : atoi(GGML_CLBLAST_PLATFORM));
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int dev_num = (GGML_CLBLAST_DEVICE == NULL ? 0 : atoi(GGML_CLBLAST_DEVICE));
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printf("\nInitializing CLBlast (First Run)...");
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printf("\nAttempting to use: Platform=%d, Device=%d (If invalid, program will crash)\n",plat_num,dev_num);
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cl_uint num_platforms;
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clGetPlatformIDs(0, NULL, &num_platforms);
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cl_platform_id* platforms = (cl_platform_id*)malloc(num_platforms*sizeof(cl_platform_id));
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clGetPlatformIDs(num_platforms, platforms, NULL);
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platform = platforms[plat_num];
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char platform_buffer[1024];
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clGetPlatformInfo(platform, CL_PLATFORM_NAME, sizeof(platform_buffer), &platform_buffer, NULL);
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cl_uint num_devices;
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clGetDeviceIDs(platform, CL_DEVICE_TYPE_ALL, 0, NULL, &num_devices);
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cl_device_id* devices = (cl_device_id*)malloc(num_devices*sizeof(cl_device_id));
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clGetDeviceIDs(platform, CL_DEVICE_TYPE_ALL, num_devices, devices, NULL);
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device = devices[dev_num];
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char device_buffer[1024];
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clGetDeviceInfo(device, CL_DEVICE_NAME, sizeof(device_buffer), &device_buffer, NULL);
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printf("Using Platform: %s Device: %s\n", platform_buffer, device_buffer);
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context = clCreateContext(NULL, 1, &device, NULL, NULL, &err);
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CL_CHECK(err, "clCreateContext");
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queue = clCreateCommandQueue(context, device, CL_QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE, &err);
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CL_CHECK(err, "clCreateCommandQueue");
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free(platforms);
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free(devices);
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struct cl_device;
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struct cl_platform {
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cl_platform_id id;
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unsigned number;
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char name[128];
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char vendor[128];
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struct cl_device * devices;
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unsigned n_devices;
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struct cl_device * default_device;
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};
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program = build_program_from_source(context, device, clblast_dequant);
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struct cl_device {
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struct cl_platform * platform;
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cl_device_id id;
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unsigned number;
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cl_device_type type;
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char name[128];
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};
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enum { NPLAT = 16, NDEV = 16 };
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struct cl_platform platforms[NPLAT];
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unsigned n_platforms = 0;
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struct cl_device devices[NDEV];
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unsigned n_devices = 0;
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struct cl_device * default_device = NULL;
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platform = NULL;
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device = NULL;
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cl_platform_id platform_ids[NPLAT];
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CL_CHECK(clGetPlatformIDs(NPLAT, platform_ids, &n_platforms));
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for (unsigned i = 0; i < n_platforms; i++) {
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struct cl_platform * p = &platforms[i];
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p->number = i;
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p->id = platform_ids[i];
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CL_CHECK(clGetPlatformInfo(p->id, CL_PLATFORM_NAME, sizeof(p->name), &p->name, NULL));
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CL_CHECK(clGetPlatformInfo(p->id, CL_PLATFORM_VENDOR, sizeof(p->vendor), &p->vendor, NULL));
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cl_device_id device_ids[NDEV];
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cl_int clGetDeviceIDsError = clGetDeviceIDs(p->id, CL_DEVICE_TYPE_ALL, NDEV, device_ids, &p->n_devices);
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if (clGetDeviceIDsError == CL_DEVICE_NOT_FOUND) {
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p->n_devices = 0;
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} else {
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CL_CHECK(clGetDeviceIDsError);
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}
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p->devices = p->n_devices > 0 ? &devices[n_devices] : NULL;
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p->default_device = NULL;
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for (unsigned j = 0; j < p->n_devices; j++) {
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struct cl_device * d = &devices[n_devices];
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d->number = n_devices++;
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d->id = device_ids[j];
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d->platform = p;
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CL_CHECK(clGetDeviceInfo(d->id, CL_DEVICE_NAME, sizeof(d->name), &d->name, NULL));
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CL_CHECK(clGetDeviceInfo(d->id, CL_DEVICE_TYPE, sizeof(d->type), &d->type, NULL));
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if (p->default_device == NULL && d->type == CL_DEVICE_TYPE_GPU) {
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p->default_device = d;
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}
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}
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if (default_device == NULL && p->default_device != NULL) {
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default_device = p->default_device;
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}
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}
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if (n_devices == 0) {
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fprintf(stderr, "ggml_opencl: could find any OpenCL devices.\n");
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exit(1);
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}
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char * user_platform_string = getenv("GGML_OPENCL_PLATFORM");
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char * user_device_string = getenv("GGML_OPENCL_DEVICE");
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int user_platform_number = -1;
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int user_device_number = -1;
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unsigned n;
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if (user_platform_string != NULL && sscanf(user_platform_string, " %u", &n) == 1 && n < n_platforms) {
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user_platform_number = (int)n;
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}
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if (user_device_string != NULL && sscanf(user_device_string, " %u", &n) == 1 && n < n_devices) {
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user_device_number = (int)n;
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}
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struct cl_device * selected_devices = devices;
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unsigned n_selected_devices = n_devices;
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if (user_platform_number == -1 && user_platform_string != NULL && user_platform_string[0] != 0) {
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for (unsigned i = 0; i < n_platforms; i++) {
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struct cl_platform * p = &platforms[i];
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if (strstr(p->name, user_platform_string) != NULL ||
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strstr(p->vendor, user_platform_string) != NULL) {
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user_platform_number = (int)i;
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break;
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}
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}
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if (user_platform_number == -1) {
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fprintf(stderr, "ggml_opencl: no platform matching '%s' was found.\n", user_platform_string);
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exit(1);
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}
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}
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if (user_platform_number != -1) {
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struct cl_platform * p = &platforms[user_platform_number];
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selected_devices = p->devices;
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n_selected_devices = p->n_devices;
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default_device = p->default_device;
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if (n_selected_devices == 0) {
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fprintf(stderr, "ggml_opencl: selected platform '%s' does not have any devices.\n", p->name);
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exit(1);
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}
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}
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if (user_device_number == -1 && user_device_string != NULL && user_device_string[0] != 0) {
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for (unsigned i = 0; i < n_selected_devices; i++) {
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struct cl_device * d = &selected_devices[i];
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if (strstr(d->name, user_device_string) != NULL) {
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user_device_number = d->number;
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break;
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}
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}
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if (user_device_number == -1) {
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fprintf(stderr, "ggml_opencl: no device matching '%s' was found.\n", user_device_string);
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exit(1);
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}
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}
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if (user_device_number != -1) {
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selected_devices = &devices[user_device_number];
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n_selected_devices = 1;
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default_device = &selected_devices[0];
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}
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GGML_ASSERT(n_selected_devices > 0);
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if (default_device == NULL) {
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default_device = &selected_devices[0];
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}
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fprintf(stderr, "ggml_opencl: selecting platform: '%s'\n", default_device->platform->name);
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fprintf(stderr, "ggml_opencl: selecting device: '%s'\n", default_device->name);
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if (default_device->type != CL_DEVICE_TYPE_GPU) {
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fprintf(stderr, "ggml_opencl: warning, not a GPU: '%s'.\n", default_device->name);
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}
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platform = default_device->platform->id;
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device = default_device->id;
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cl_context_properties properties[] = {
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(intptr_t)CL_CONTEXT_PLATFORM, (intptr_t)platform, 0
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};
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CL_CHECK((context = clCreateContext(properties, 1, &device, NULL, NULL, &err), err));
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CL_CHECK((queue = clCreateCommandQueue(context, device, CL_QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE, &err),
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(err != CL_INVALID_PROPERTY && err != CL_INVALID_VALUE ? err :
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(queue = clCreateCommandQueue(context, device, 0, &err), err)
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)));
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program = build_program_from_source(context, device, program_source);
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// Prepare dequantize kernels
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kernel_q4_0 = clCreateKernel(program, "dequantize_row_q4_0", &err);
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CL_CHECK(err, "clCreateKernel");
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kernel_q4_1 = clCreateKernel(program, "dequantize_row_q4_1", &err);
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CL_CHECK(err, "clCreateKernel");
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kernel_q5_0 = clCreateKernel(program, "dequantize_row_q5_0", &err);
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CL_CHECK(err, "clCreateKernel");
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kernel_q5_1 = clCreateKernel(program, "dequantize_row_q5_1", &err);
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CL_CHECK(err, "clCreateKernel");
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kernel_q8_0 = clCreateKernel(program, "dequantize_row_q8_0", &err);
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CL_CHECK(err, "clCreateKernel");
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CL_CHECK((kernel_q4_0 = clCreateKernel(program, "dequantize_row_q4_0", &err), err));
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CL_CHECK((kernel_q4_1 = clCreateKernel(program, "dequantize_row_q4_1", &err), err));
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CL_CHECK((kernel_q5_0 = clCreateKernel(program, "dequantize_row_q5_0", &err), err));
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CL_CHECK((kernel_q5_1 = clCreateKernel(program, "dequantize_row_q5_1", &err), err));
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CL_CHECK((kernel_q8_0 = clCreateKernel(program, "dequantize_row_q8_0", &err), err));
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}
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static void ggml_cl_malloc(size_t req_size, size_t* cur_size, cl_mem_flags flags, cl_mem* buf) {
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@ -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));
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue