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opencl: add f16 for add, sub, mul, div (llama/14984)

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lhez
2025-08-01 04:15:44 -07:00
committed by Georgi Gerganov
parent 1c6cb7df47
commit ba6a81c9c9
5 changed files with 414 additions and 70 deletions
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174
ggml/src/ggml-opencl/ggml-opencl.cpp
View File

@@ -400,10 +400,10 @@ struct ggml_backend_opencl_context {
cl_program program_mul_mm_f32_f32_l4_lm;
cl_program program_mul_mm_f16_f32_l4_lm;
cl_kernel kernel_add, kernel_add_row;
cl_kernel kernel_mul, kernel_mul_row;
cl_kernel kernel_div, kernel_div_row;
cl_kernel kernel_sub, kernel_sub_row;
cl_kernel kernel_add, kernel_add_row, kernel_add_f16, kernel_add_row_f16;
cl_kernel kernel_mul, kernel_mul_row, kernel_mul_f16, kernel_mul_row_f16;
cl_kernel kernel_div, kernel_div_row, kernel_div_f16, kernel_div_row_f16;
cl_kernel kernel_sub, kernel_sub_row, kernel_sub_f16, kernel_sub_row_f16;
cl_kernel kernel_scale;
cl_kernel kernel_silu, kernel_silu_4;
cl_kernel kernel_gelu, kernel_gelu_4;
@@ -676,6 +676,8 @@ static void load_cl_kernels(ggml_backend_opencl_context *backend_ctx, ggml_cl_ve
CL_CHECK((backend_ctx->kernel_add = clCreateKernel(backend_ctx->program_add, "kernel_add", &err), err));
CL_CHECK((backend_ctx->kernel_add_row = clCreateKernel(backend_ctx->program_add, "kernel_add_row", &err), err));
CL_CHECK((backend_ctx->kernel_add_f16 = clCreateKernel(backend_ctx->program_add, "kernel_add_f16", &err), err));
CL_CHECK((backend_ctx->kernel_add_row_f16 = clCreateKernel(backend_ctx->program_add, "kernel_add_row_f16", &err), err));
GGML_LOG_CONT(".");
}
@@ -1091,6 +1093,8 @@ static void load_cl_kernels(ggml_backend_opencl_context *backend_ctx, ggml_cl_ve
CL_CHECK((backend_ctx->kernel_mul = clCreateKernel(backend_ctx->program_mul, "kernel_mul", &err), err));
CL_CHECK((backend_ctx->kernel_mul_row = clCreateKernel(backend_ctx->program_mul, "kernel_mul_row", &err), err));
CL_CHECK((backend_ctx->kernel_mul_f16 = clCreateKernel(backend_ctx->program_mul, "kernel_mul_f16", &err), err));
CL_CHECK((backend_ctx->kernel_mul_row_f16 = clCreateKernel(backend_ctx->program_mul, "kernel_mul_row_f16", &err), err));
GGML_LOG_CONT(".");
}
@@ -1288,11 +1292,16 @@ static void load_cl_kernels(ggml_backend_opencl_context *backend_ctx, ggml_cl_ve
#else
const std::string kernel_src = read_file("div.cl");
#endif
std::string compile_opts = std::string("-cl-std=") + opencl_c_std +
" -cl-mad-enable -cl-finite-math-only ";
backend_ctx->program_div =
build_program_from_source(backend_ctx->context, backend_ctx->device, kernel_src.c_str(), compile_opts);
CL_CHECK((backend_ctx->kernel_div = clCreateKernel(backend_ctx->program_div, "kernel_div", &err), err));
CL_CHECK((backend_ctx->kernel_div_row = clCreateKernel(backend_ctx->program_div, "kernel_div_row", &err), err));
CL_CHECK((backend_ctx->kernel_div_f16 = clCreateKernel(backend_ctx->program_div, "kernel_div_f16", &err), err));
CL_CHECK((backend_ctx->kernel_div_row_f16 = clCreateKernel(backend_ctx->program_div, "kernel_div_row_f16", &err), err));
GGML_LOG_CONT(".");
}
@@ -1310,6 +1319,8 @@ static void load_cl_kernels(ggml_backend_opencl_context *backend_ctx, ggml_cl_ve
CL_CHECK((backend_ctx->kernel_sub = clCreateKernel(backend_ctx->program_sub, "kernel_sub", &err), err));
CL_CHECK((backend_ctx->kernel_sub_row = clCreateKernel(backend_ctx->program_sub, "kernel_sub_row", &err), err));
CL_CHECK((backend_ctx->kernel_sub_f16 = clCreateKernel(backend_ctx->program_sub, "kernel_sub_f16", &err), err));
CL_CHECK((backend_ctx->kernel_sub_row_f16 = clCreateKernel(backend_ctx->program_sub, "kernel_sub_row_f16", &err), err));
GGML_LOG_CONT(".");
}
@@ -2447,12 +2458,15 @@ static bool ggml_opencl_supports_op(ggml_backend_dev_t dev, const struct ggml_te
default:
return false;
}
case GGML_OP_ADD:
case GGML_OP_SCALE:
return op->src[0]->type == GGML_TYPE_F32 && ggml_is_contiguous(op->src[0]);
case GGML_OP_ADD:
case GGML_OP_MUL:
case GGML_OP_DIV:
case GGML_OP_SUB:
return op->src[0]->type == GGML_TYPE_F32;
return (op->src[0]->type == op->src[1]->type) &&
(op->src[0]->type == op->type) &&
(op->src[0]->type == GGML_TYPE_F32 || op->src[0]->type == GGML_TYPE_F16);
case GGML_OP_UNARY:
switch (ggml_get_unary_op(op)) {
case GGML_UNARY_OP_GELU:
@@ -3680,35 +3694,39 @@ static void ggml_cl_add(ggml_backend_t backend, const ggml_tensor * src0, const
GGML_ASSERT(dst);
GGML_ASSERT(dst->extra);
const int ne00 = src0 ? src0->ne[0] : 0;
const int ne01 = src0 ? src0->ne[1] : 0;
const int ne02 = src0 ? src0->ne[2] : 0;
const int ne03 = src0 ? src0->ne[3] : 0;
GGML_ASSERT(src0->type == src1->type);
GGML_ASSERT(src0->type == dst->type);
GGML_ASSERT(src0->type == GGML_TYPE_F32 || src0->type == GGML_TYPE_F16);
const cl_ulong nb00 = src0 ? src0->nb[0] : 0;
const cl_ulong nb01 = src0 ? src0->nb[1] : 0;
const cl_ulong nb02 = src0 ? src0->nb[2] : 0;
const cl_ulong nb03 = src0 ? src0->nb[3] : 0;
const int ne00 = src0->ne[0];
const int ne01 = src0->ne[1];
const int ne02 = src0->ne[2];
const int ne03 = src0->ne[3];
const int ne10 = src1 ? src1->ne[0] : 0;
const int ne11 = src1 ? src1->ne[1] : 0;
const int ne12 = src1 ? src1->ne[2] : 0;
const int ne13 = src1 ? src1->ne[3] : 0; UNUSED(ne13);
const cl_ulong nb00 = src0->nb[0];
const cl_ulong nb01 = src0->nb[1];
const cl_ulong nb02 = src0->nb[2];
const cl_ulong nb03 = src0->nb[3];
const cl_ulong nb10 = src1 ? src1->nb[0] : 0;
const cl_ulong nb11 = src1 ? src1->nb[1] : 0;
const cl_ulong nb12 = src1 ? src1->nb[2] : 0;
const cl_ulong nb13 = src1 ? src1->nb[3] : 0; UNUSED(nb13);
const int ne10 = src1->ne[0];
const int ne11 = src1->ne[1];
const int ne12 = src1->ne[2];
const int ne13 = src1->ne[3]; UNUSED(ne13);
const int ne0 = dst ? dst->ne[0] : 0;
const int ne1 = dst ? dst->ne[1] : 0;
const int ne2 = dst ? dst->ne[2] : 0;
const int ne3 = dst ? dst->ne[3] : 0;
const cl_ulong nb10 = src1->nb[0];
const cl_ulong nb11 = src1->nb[1];
const cl_ulong nb12 = src1->nb[2];
const cl_ulong nb13 = src1->nb[3]; UNUSED(nb13);
const cl_ulong nb0 = dst ? dst->nb[0] : 0;
const cl_ulong nb1 = dst ? dst->nb[1] : 0;
const cl_ulong nb2 = dst ? dst->nb[2] : 0;
const cl_ulong nb3 = dst ? dst->nb[3] : 0;
const int ne0 = dst->ne[0];
const int ne1 = dst->ne[1];
const int ne2 = dst->ne[2];
const int ne3 = dst->ne[3];
const cl_ulong nb0 = dst->nb[0];
const cl_ulong nb1 = dst->nb[1];
const cl_ulong nb2 = dst->nb[2];
const cl_ulong nb3 = dst->nb[3];
ggml_backend_opencl_context *backend_ctx = (ggml_backend_opencl_context *)backend->context;
@@ -3731,7 +3749,12 @@ static void ggml_cl_add(ggml_backend_t backend, const ggml_tensor * src0, const
bcast_row = true;
int ne = ne00 / 4;
if (src0->type == GGML_TYPE_F32) {
kernel = backend_ctx->kernel_add_row;
} else {
kernel = backend_ctx->kernel_add_row_f16;
}
CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), &extra0->data_device));
CL_CHECK(clSetKernelArg(kernel, 1, sizeof(cl_ulong), &offset0));
@@ -3741,7 +3764,11 @@ static void ggml_cl_add(ggml_backend_t backend, const ggml_tensor * src0, const
CL_CHECK(clSetKernelArg(kernel, 5, sizeof(cl_ulong), &offsetd));
CL_CHECK(clSetKernelArg(kernel, 6, sizeof(int), &ne));
} else {
if (src0->type == GGML_TYPE_F32) {
kernel = backend_ctx->kernel_add;
} else {
kernel = backend_ctx->kernel_add_f16;
}
CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), &extra0->data_device));
CL_CHECK(clSetKernelArg(kernel, 1, sizeof(cl_ulong), &offset0));
@@ -3803,35 +3830,39 @@ static void ggml_cl_mul(ggml_backend_t backend, const ggml_tensor * src0, const
GGML_ASSERT(dst);
GGML_ASSERT(dst->extra);
const int ne00 = src0 ? src0->ne[0] : 0;
const int ne01 = src0 ? src0->ne[1] : 0;
const int ne02 = src0 ? src0->ne[2] : 0;
const int ne03 = src0 ? src0->ne[3] : 0;
GGML_ASSERT(src0->type == src1->type);
GGML_ASSERT(src0->type == dst->type);
GGML_ASSERT(src0->type == GGML_TYPE_F32 || src0->type == GGML_TYPE_F16);
const cl_ulong nb00 = src0 ? src0->nb[0] : 0;
const cl_ulong nb01 = src0 ? src0->nb[1] : 0;
const cl_ulong nb02 = src0 ? src0->nb[2] : 0;
const cl_ulong nb03 = src0 ? src0->nb[3] : 0;
const int ne00 = src0->ne[0];
const int ne01 = src0->ne[1];
const int ne02 = src0->ne[2];
const int ne03 = src0->ne[3];
const int ne10 = src1 ? src1->ne[0] : 0;
const int ne11 = src1 ? src1->ne[1] : 0;
const int ne12 = src1 ? src1->ne[2] : 0;
const int ne13 = src1 ? src1->ne[3] : 0; UNUSED(ne13);
const cl_ulong nb00 = src0->nb[0];
const cl_ulong nb01 = src0->nb[1];
const cl_ulong nb02 = src0->nb[2];
const cl_ulong nb03 = src0->nb[3];
const cl_ulong nb10 = src1 ? src1->nb[0] : 0;
const cl_ulong nb11 = src1 ? src1->nb[1] : 0;
const cl_ulong nb12 = src1 ? src1->nb[2] : 0;
const cl_ulong nb13 = src1 ? src1->nb[3] : 0; UNUSED(nb13);
const int ne10 = src1->ne[0];
const int ne11 = src1->ne[1];
const int ne12 = src1->ne[2];
const int ne13 = src1->ne[3]; UNUSED(ne13);
const int ne0 = dst ? dst->ne[0] : 0;
const int ne1 = dst ? dst->ne[1] : 0;
const int ne2 = dst ? dst->ne[2] : 0;
const int ne3 = dst ? dst->ne[3] : 0;
const cl_ulong nb10 = src1->nb[0];
const cl_ulong nb11 = src1->nb[1];
const cl_ulong nb12 = src1->nb[2];
const cl_ulong nb13 = src1->nb[3]; UNUSED(nb13);
const cl_ulong nb0 = dst ? dst->nb[0] : 0;
const cl_ulong nb1 = dst ? dst->nb[1] : 0;
const cl_ulong nb2 = dst ? dst->nb[2] : 0;
const cl_ulong nb3 = dst ? dst->nb[3] : 0;
const int ne0 = dst->ne[0];
const int ne1 = dst->ne[1];
const int ne2 = dst->ne[2];
const int ne3 = dst->ne[3];
const cl_ulong nb0 = dst->nb[0];
const cl_ulong nb1 = dst->nb[1];
const cl_ulong nb2 = dst->nb[2];
const cl_ulong nb3 = dst->nb[3];
ggml_backend_opencl_context *backend_ctx = (ggml_backend_opencl_context *)backend->context;
@@ -3854,7 +3885,12 @@ static void ggml_cl_mul(ggml_backend_t backend, const ggml_tensor * src0, const
bcast_row = true;
int ne = ne00 / 4;
if (src0->type == GGML_TYPE_F32) {
kernel = backend_ctx->kernel_mul_row;
} else {
kernel = backend_ctx->kernel_mul_row_f16;
}
CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), &extra0->data_device));
CL_CHECK(clSetKernelArg(kernel, 1, sizeof(cl_ulong), &offset0));
@@ -3864,7 +3900,11 @@ static void ggml_cl_mul(ggml_backend_t backend, const ggml_tensor * src0, const
CL_CHECK(clSetKernelArg(kernel, 5, sizeof(cl_ulong), &offsetd));
CL_CHECK(clSetKernelArg(kernel, 6, sizeof(int), &ne));
} else {
if (src0->type == GGML_TYPE_F32) {
kernel = backend_ctx->kernel_mul;
} else {
kernel = backend_ctx->kernel_mul_f16;
}
CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), &extra0->data_device));
CL_CHECK(clSetKernelArg(kernel, 1, sizeof(cl_ulong), &offset0));
@@ -3926,6 +3966,10 @@ static void ggml_cl_div(ggml_backend_t backend, const ggml_tensor * src0, const
GGML_ASSERT(dst);
GGML_ASSERT(dst->extra);
GGML_ASSERT(src0->type == src1->type);
GGML_ASSERT(src0->type == dst->type);
GGML_ASSERT(src0->type == GGML_TYPE_F32 || src0->type == GGML_TYPE_F16);
const int ne00 = src0->ne[0];
const int ne01 = src0->ne[1];
const int ne02 = src0->ne[2];
@@ -3974,7 +4018,12 @@ static void ggml_cl_div(ggml_backend_t backend, const ggml_tensor * src0, const
bcast_row = true;
int ne = ne00 / 4;
if (src0->type == GGML_TYPE_F32) {
kernel = backend_ctx->kernel_div_row;
} else {
kernel = backend_ctx->kernel_div_row_f16;
}
CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), &extra0->data_device));
CL_CHECK(clSetKernelArg(kernel, 1, sizeof(cl_ulong), &offset0));
@@ -3984,7 +4033,11 @@ static void ggml_cl_div(ggml_backend_t backend, const ggml_tensor * src0, const
CL_CHECK(clSetKernelArg(kernel, 5, sizeof(cl_ulong), &offsetd));
CL_CHECK(clSetKernelArg(kernel, 6, sizeof(int), &ne));
} else {
if (src0->type == GGML_TYPE_F32) {
kernel = backend_ctx->kernel_div;
} else {
kernel = backend_ctx->kernel_div_f16;
}
CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), &extra0->data_device));
CL_CHECK(clSetKernelArg(kernel, 1, sizeof(cl_ulong), &offset0));
@@ -4034,6 +4087,10 @@ static void ggml_cl_sub(ggml_backend_t backend, const ggml_tensor * src0, const
GGML_ASSERT(dst);
GGML_ASSERT(dst->extra);
GGML_ASSERT(src0->type == src1->type);
GGML_ASSERT(src0->type == dst->type);
GGML_ASSERT(src0->type == GGML_TYPE_F32 || src0->type == GGML_TYPE_F16);
const int ne00 = src0->ne[0];
const int ne01 = src0->ne[1];
const int ne02 = src0->ne[2];
@@ -4082,7 +4139,12 @@ static void ggml_cl_sub(ggml_backend_t backend, const ggml_tensor * src0, const
bcast_row = true;
int ne = ne00 / 4;
if (src0->type == GGML_TYPE_F32) {
kernel = backend_ctx->kernel_sub_row;
} else {
kernel = backend_ctx->kernel_sub_row_f16;
}
CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), &extra0->data_device));
CL_CHECK(clSetKernelArg(kernel, 1, sizeof(cl_ulong), &offset0));
@@ -4092,7 +4154,11 @@ static void ggml_cl_sub(ggml_backend_t backend, const ggml_tensor * src0, const
CL_CHECK(clSetKernelArg(kernel, 5, sizeof(cl_ulong), &offsetd));
CL_CHECK(clSetKernelArg(kernel, 6, sizeof(int), &ne));
} else {
if (src0->type == GGML_TYPE_F32) {
kernel = backend_ctx->kernel_sub;
} else {
kernel = backend_ctx->kernel_sub_f16;
}
CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), &extra0->data_device));
CL_CHECK(clSetKernelArg(kernel, 1, sizeof(cl_ulong), &offset0));

73
ggml/src/ggml-opencl/kernels/add.cl
View File

@@ -81,3 +81,76 @@ kernel void kernel_add_row(
uint idx1 = gid - (gid/ne)*ne; // get_global_id(0) % ne
dst[gid] = src0[gid] + src1[idx1];
}
kernel void kernel_add_f16(
global char * src0,
ulong offset0,
global char * src1,
ulong offset1,
global char * dst,
ulong offsetd,
int ne00,
int ne01,
int ne02,
int ne03,
ulong nb00,
ulong nb01,
ulong nb02,
ulong nb03,
int ne10,
int ne11,
int ne12,
int ne13,
ulong nb10,
ulong nb11,
ulong nb12,
ulong nb13,
int ne0,
int ne1,
int ne2,
int ne3,
ulong nb0,
ulong nb1,
ulong nb2,
ulong nb3
) {
src0 = src0 + offset0;
src1 = src1 + offset1;
dst = dst + offsetd;
int i03 = get_group_id(2);
int i02 = get_group_id(1);
int i01 = get_group_id(0);
int i13 = i03 % ne13;
int i12 = i02 % ne12;
int i11 = i01 % ne11;
global char * src0_ptr = src0 + i03*nb03 + i02*nb02 + i01*nb01;
global char * src1_ptr = src1 + i13*nb13 + i12*nb12 + i11*nb11;
global char * dst_ptr = dst + i03*nb3 + i02*nb2 + i01*nb1;
for (int i0 = get_local_id(0); i0 < ne0; i0 += get_local_size(0)) {
const int i10 = i0 % ne10;
*((global half *)(dst_ptr + i0*nb0)) = *((global half *)(src0_ptr + i0*nb00)) + *((global half *)(src1_ptr + i10*nb10));
}
}
kernel void kernel_add_row_f16(
global half4 * src0,
ulong offset0,
global half4 * src1,
ulong offset1,
global half4 * dst,
ulong offsetd,
int ne
) {
src0 = (global half4*)((global char*)src0 + offset0);
src1 = (global half4*)((global char*)src1 + offset1);
dst = (global half4*)((global char*)dst + offsetd);
// This performs better than using %.
uint gid = get_global_id(0);
uint idx1 = gid - (gid/ne)*ne; // get_global_id(0) % ne
dst[gid] = src0[gid] + src1[idx1];
}

66
ggml/src/ggml-opencl/kernels/div.cl
View File

@@ -70,3 +70,69 @@ kernel void kernel_div_row(
uint idx1 = gid - (gid/ne)*ne; // get_global_id(0) % ne
dst[gid] = src0[gid] / src1[idx1];
}
kernel void kernel_div_f16(
global char * src0,
ulong offset0,
global char * src1,
ulong offset1,
global char * dst,
ulong offsetd,
ulong nb00,
ulong nb01,
ulong nb02,
ulong nb03,
int ne10,
int ne11,
int ne12,
int ne13,
ulong nb10,
ulong nb11,
ulong nb12,
ulong nb13,
int ne0,
ulong nb0,
ulong nb1,
ulong nb2,
ulong nb3
) {
src0 = src0 + offset0;
src1 = src1 + offset1;
dst = dst + offsetd;
int i03 = get_group_id(2);
int i02 = get_group_id(1);
int i01 = get_group_id(0);
int i13 = i03 % ne13;
int i12 = i02 % ne12;
int i11 = i01 % ne11;
global char * src0_ptr = src0 + i03*nb03 + i02*nb02 + i01*nb01;
global char * src1_ptr = src1 + i13*nb13 + i12*nb12 + i11*nb11;
global char * dst_ptr = dst + i03*nb3 + i02*nb2 + i01*nb1;
for (int i0 = get_local_id(0); i0 < ne0; i0 += get_local_size(0)) {
const int i10 = i0 % ne10;
*((global half *)(dst_ptr + i0*nb0)) = *((global half *)(src0_ptr + i0*nb00)) / *((global half *)(src1_ptr + i10*nb10));
}
}
kernel void kernel_div_row_f16(
global half4 * src0,
ulong offset0,
global half4 * src1,
ulong offset1,
global half4 * dst,
ulong offsetd,
int ne
) {
src0 = (global half4*)((global char*)src0 + offset0);
src1 = (global half4*)((global char*)src1 + offset1);
dst = (global half4*)((global char*)dst + offsetd);
// This performs better than using %.
uint gid = get_global_id(0);
uint idx1 = gid - (gid/ne)*ne; // get_global_id(0) % ne
dst[gid] = src0[gid] / src1[idx1];
}

73
ggml/src/ggml-opencl/kernels/mul.cl
View File

@@ -77,3 +77,76 @@ kernel void kernel_mul_row(
uint idx1 = gid - (gid/ne)*ne; // get_global_id(0) % ne
dst[gid] = src0[gid] * src1[idx1];
}
kernel void kernel_mul_f16(
global char * src0,
ulong offset0,
global char * src1,
ulong offset1,
global char * dst,
ulong offsetd,
int ne00,
int ne01,
int ne02,
int ne03,
ulong nb00,
ulong nb01,
ulong nb02,
ulong nb03,
int ne10,
int ne11,
int ne12,
int ne13,
ulong nb10,
ulong nb11,
ulong nb12,
ulong nb13,
int ne0,
int ne1,
int ne2,
int ne3,
ulong nb0,
ulong nb1,
ulong nb2,
ulong nb3
) {
src0 = src0 + offset0;
src1 = src1 + offset1;
dst = dst + offsetd;
int i03 = get_group_id(2);
int i02 = get_group_id(1);
int i01 = get_group_id(0);
int i13 = i03 % ne13;
int i12 = i02 % ne12;
int i11 = i01 % ne11;
global char * src0_ptr = src0 + i03*nb03 + i02*nb02 + i01*nb01;
global char * src1_ptr = src1 + i13*nb13 + i12*nb12 + i11*nb11;
global char * dst_ptr = dst + i03*nb3 + i02*nb2 + i01*nb1;
for (int i0 = get_local_id(0); i0 < ne0; i0 += get_local_size(0)) {
const int i10 = i0 % ne10;
*((global half *)(dst_ptr + i0*nb0)) = *((global half *)(src0_ptr + i0*nb00)) * *((global half *)(src1_ptr + i10*nb10));
}
}
kernel void kernel_mul_row_f16(
global half4 * src0,
ulong offset0,
global half4 * src1,
ulong offset1,
global half4 * dst,
ulong offsetd,
int ne
) {
src0 = (global half4*)((global char*)src0 + offset0);
src1 = (global half4*)((global char*)src1 + offset1);
dst = (global half4*)((global char*)dst + offsetd);
// This performs better than using %.
uint gid = get_global_id(0);
uint idx1 = gid - (gid/ne)*ne; // get_global_id(0) % ne
dst[gid] = src0[gid] * src1[idx1];
}

66
ggml/src/ggml-opencl/kernels/sub.cl
View File

@@ -70,3 +70,69 @@ kernel void kernel_sub_row(
uint idx1 = gid - (gid/ne)*ne; // get_global_id(0) % ne
dst[gid] = src0[gid] - src1[idx1];
}
kernel void kernel_sub_f16(
global char * src0,
ulong offset0,
global char * src1,
ulong offset1,
global char * dst,
ulong offsetd,
ulong nb00,
ulong nb01,
ulong nb02,
ulong nb03,
int ne10,
int ne11,
int ne12,
int ne13,
ulong nb10,
ulong nb11,
ulong nb12,
ulong nb13,
int ne0,
ulong nb0,
ulong nb1,
ulong nb2,
ulong nb3
) {
src0 = src0 + offset0;
src1 = src1 + offset1;
dst = dst + offsetd;
int i03 = get_group_id(2);
int i02 = get_group_id(1);
int i01 = get_group_id(0);
int i13 = i03 % ne13;
int i12 = i02 % ne12;
int i11 = i01 % ne11;
global char * src0_ptr = src0 + i03*nb03 + i02*nb02 + i01*nb01;
global char * src1_ptr = src1 + i13*nb13 + i12*nb12 + i11*nb11;
global char * dst_ptr = dst + i03*nb3 + i02*nb2 + i01*nb1;
for (int i0 = get_local_id(0); i0 < ne0; i0 += get_local_size(0)) {
const int i10 = i0 % ne10;
*((global half *)(dst_ptr + i0*nb0)) = *((global half *)(src0_ptr + i0*nb00)) - *((global half *)(src1_ptr + i10*nb10));
}
}
kernel void kernel_sub_row_f16(
global half4 * src0,
ulong offset0,
global half4 * src1,
ulong offset1,
global half4 * dst,
ulong offsetd,
int ne
) {
src0 = (global half4*)((global char*)src0 + offset0);
src1 = (global half4*)((global char*)src1 + offset1);
dst = (global half4*)((global char*)dst + offsetd);
// This performs better than using %.
uint gid = get_global_id(0);
uint idx1 = gid - (gid/ne)*ne; // get_global_id(0) % ne
dst[gid] = src0[gid] - src1[idx1];
}