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vulkan: add exp operation #15456

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Merged
merged 1 commit into from
Aug 21, 2025
Merged

vulkan: add exp operation #15456

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11 changes: 11 additions & 0 deletions ggml/src/ggml-vulkan/ggml-vulkan.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -490,6 +490,7 @@ struct vk_device_struct {
vk_pipeline pipeline_l2_norm_f32;

// [src/dst 0=fp32,1=fp16]
vk_pipeline pipeline_exp[2];
vk_pipeline pipeline_gelu[2];
vk_pipeline pipeline_gelu_erf[2];
vk_pipeline pipeline_gelu_quick[2];
Expand Down Expand Up @@ -3062,6 +3063,7 @@ static void ggml_vk_load_shaders(vk_device& device) {
ggml_vk_create_pipeline(device, device->pipeline_ ## name [0], #name "_f32", name ## _f32_len, name ## _f32_data, "main", 2, sizeof(vk_op_push_constants), {512, 1, 1}, {}, 1); \
ggml_vk_create_pipeline(device, device->pipeline_ ## name [1], #name "_f16", name ## _f16_len, name ## _f16_data, "main", 2, sizeof(vk_op_push_constants), {512, 1, 1}, {}, 1);

CREATE_UNARY(exp)
CREATE_UNARY(gelu)
CREATE_UNARY(gelu_erf)
CREATE_UNARY(gelu_quick)
Expand Down Expand Up @@ -7097,6 +7099,8 @@ static vk_pipeline ggml_vk_op_get_pipeline(ggml_backend_vk_context * ctx, const
}

switch (ggml_get_unary_op(dst)) {
case GGML_UNARY_OP_EXP:
return ctx->device->pipeline_exp[dst->type == GGML_TYPE_F16];
case GGML_UNARY_OP_SILU:
return ctx->device->pipeline_silu[dst->type == GGML_TYPE_F16];
case GGML_UNARY_OP_GELU:
Expand Down Expand Up @@ -9702,6 +9706,7 @@ static bool ggml_vk_build_graph(ggml_backend_vk_context * ctx, ggml_cgraph * cgr
return false;
case GGML_OP_UNARY:
switch (ggml_get_unary_op(node)) {
case GGML_UNARY_OP_EXP:
case GGML_UNARY_OP_SILU:
case GGML_UNARY_OP_GELU:
case GGML_UNARY_OP_GELU_ERF:
Expand Down Expand Up @@ -9979,6 +9984,7 @@ static bool ggml_vk_build_graph(ggml_backend_vk_context * ctx, ggml_cgraph * cgr
break;
case GGML_OP_UNARY:
switch (ggml_get_unary_op(node)) {
case GGML_UNARY_OP_EXP:
case GGML_UNARY_OP_SILU:
case GGML_UNARY_OP_GELU:
case GGML_UNARY_OP_GELU_ERF:
Expand Down Expand Up @@ -10215,6 +10221,7 @@ static bool ggml_vk_compute_forward(ggml_backend_vk_context * ctx, ggml_cgraph *
break;
case GGML_OP_UNARY:
switch (ggml_get_unary_op(tensor)) {
case GGML_UNARY_OP_EXP:
case GGML_UNARY_OP_SILU:
case GGML_UNARY_OP_GELU:
case GGML_UNARY_OP_GELU_ERF:
Expand Down Expand Up @@ -11125,6 +11132,7 @@ static bool ggml_backend_vk_device_supports_op(ggml_backend_dev_t dev, const ggm
switch (op->op) {
case GGML_OP_UNARY:
switch (ggml_get_unary_op(op)) {
case GGML_UNARY_OP_EXP:
case GGML_UNARY_OP_GELU:
case GGML_UNARY_OP_GELU_ERF:
case GGML_UNARY_OP_GELU_QUICK:
Expand Down Expand Up @@ -11924,6 +11932,9 @@ static void ggml_vk_check_results_0(ggml_backend_vk_context * ctx, ggml_cgraph *
}
} else if (tensor->op == GGML_OP_UNARY) {
switch (ggml_get_unary_op(tensor)) {
case GGML_UNARY_OP_EXP:
tensor_clone = ggml_exp(ggml_ctx, src_clone[0]);
break;
case GGML_UNARY_OP_SILU:
tensor_clone = ggml_silu(ggml_ctx, src_clone[0]);
break;
Expand Down
20 changes: 20 additions & 0 deletions ggml/src/ggml-vulkan/vulkan-shaders/exp.comp
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Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
#version 450

#include "generic_head.comp"
#include "types.comp"

#extension GL_EXT_control_flow_attributes : enable

layout(local_size_x = 512, local_size_y = 1, local_size_z = 1) in;

layout (binding = 0) readonly buffer X {A_TYPE data_a[];};
layout (binding = 1) writeonly buffer D {D_TYPE data_d[];};

void main() {
const uint i = gl_GlobalInvocationID.z * 262144 + gl_GlobalInvocationID.y * 512 + gl_GlobalInvocationID.x;

if (i >= p.KX) {
return;
}
data_d[i] = D_TYPE(exp(float(data_a[i])));
}
2 changes: 2 additions & 0 deletions ggml/src/ggml-vulkan/vulkan-shaders/vulkan-shaders-gen.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -586,6 +586,8 @@ void process_shaders() {

string_to_spv("upscale_f32", "upscale.comp", {{"A_TYPE", "float"}, {"B_TYPE", "float"}, {"D_TYPE", "float"}});

string_to_spv("exp_f16", "exp.comp", {{"A_TYPE", "float16_t"}, {"D_TYPE", "float16_t"}});
string_to_spv("exp_f32", "exp.comp", {{"A_TYPE", "float"}, {"D_TYPE", "float"}});
string_to_spv("gelu_f16", "gelu.comp", {{"A_TYPE", "float16_t"}, {"D_TYPE", "float16_t"}});
string_to_spv("gelu_f32", "gelu.comp", {{"A_TYPE", "float"}, {"D_TYPE", "float"}});
string_to_spv("gelu_erf_f16", "gelu_erf.comp", {{"A_TYPE", "float16_t"}, {"D_TYPE", "float16_t"}});
Expand Down
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