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feat: add Vulkan REPEAT op support for f16 to f16. #23298

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Merged
0cc4m merged 7 commits into from
May 27, 2026
Merged

feat: add Vulkan REPEAT op support for f16 to f16. #23298

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70c8d5f
feat: extend repeat op for vulkan
l8bloom May 18, 2026
36c6088
feat: add repeat_f16 vulkan pipeline
l8bloom May 19, 2026
0fe360b
fix: ensure same dst and src types
l8bloom May 19, 2026
81d29f4
fix: use type_size instead of data types
l8bloom May 19, 2026
7c846a3
fix: use int16 and int32 for repeat shader op
l8bloom May 20, 2026
f93e281
chore: rename repeat_f* to repeat_i*
l8bloom May 20, 2026
b5e2932
chore: rename repeat vulkan pipelines
l8bloom May 20, 2026
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10 changes: 8 additions & 2 deletions ggml/src/ggml-vulkan/ggml-vulkan.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -759,6 +759,7 @@ struct vk_device_struct {
vk_pipeline pipeline_pad_f32;
vk_pipeline pipeline_roll_f32;
vk_pipeline pipeline_repeat_f32, pipeline_repeat_back_f32;
vk_pipeline pipeline_repeat_f16;
vk_pipeline pipeline_cpy_f32_f32, pipeline_cpy_f32_f16, pipeline_cpy_f16_f16, pipeline_cpy_f16_f32, pipeline_cpy_f32_bf16, pipeline_cpy_bf16_f32, pipeline_cpy_f32_i32, pipeline_cpy_i32_f32;
vk_pipeline pipeline_contig_cpy_f32_f32, pipeline_contig_cpy_f32_f16, pipeline_contig_cpy_f16_f16, pipeline_contig_cpy_f16_f32, pipeline_contig_cpy_f32_bf16, pipeline_contig_cpy_bf16_f32, pipeline_contig_cpy_f32_i32, pipeline_contig_cpy_i32_f32;
vk_pipeline pipeline_cpy_f32_quant[GGML_TYPE_COUNT];
Expand Down Expand Up @@ -4693,6 +4694,8 @@ static void ggml_vk_load_shaders(vk_device& device) {
ggml_vk_create_pipeline(device, device->pipeline_repeat_f32, "repeat_f32", repeat_f32_len, repeat_f32_data, "main", 2, sizeof(vk_op_unary_push_constants), {512, 1, 1}, {}, 1);
ggml_vk_create_pipeline(device, device->pipeline_repeat_back_f32, "repeat_back_f32", repeat_back_f32_len, repeat_back_f32_data, "main", 2, sizeof(vk_op_unary_push_constants), {512, 1, 1}, {}, 1);

ggml_vk_create_pipeline(device, device->pipeline_repeat_f16, "repeat_f16", repeat_f16_len, repeat_f16_data, "main", 2, sizeof(vk_op_unary_push_constants), {512, 1, 1}, {}, 1);
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#define CREATE_UNARY(name) \
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);
Expand Down Expand Up @@ -9629,9 +9632,12 @@ static vk_pipeline ggml_vk_op_get_pipeline(ggml_backend_vk_context * ctx, const
}
return nullptr;
case GGML_OP_REPEAT:
if (ggml_type_size(src0->type) == sizeof(float) && ggml_type_size(dst->type) == sizeof(float)) {
if (src0->type == GGML_TYPE_F32 && dst->type == GGML_TYPE_F32) {
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return ctx->device->pipeline_repeat_f32;
}
if (src0->type == GGML_TYPE_F16 && dst->type == GGML_TYPE_F16) {
return ctx->device->pipeline_repeat_f16;
}
return nullptr;
case GGML_OP_REPEAT_BACK:
if (src0->type == GGML_TYPE_F32 && dst->type == GGML_TYPE_F32) {
Expand Down Expand Up @@ -16020,7 +16026,7 @@ static bool ggml_backend_vk_device_supports_op(ggml_backend_dev_t dev, const ggm
return false;
}
case GGML_OP_REPEAT:
return ggml_type_size(op->type) == sizeof(float) && ggml_type_size(op->src[0]->type) == sizeof(float);
return (op->type == GGML_TYPE_F32 || op->type == GGML_TYPE_F16) && op->type == op->src[0]->type;
case GGML_OP_REPEAT_BACK:
return op->type == GGML_TYPE_F32 && op->src[0]->type == GGML_TYPE_F32;
case GGML_OP_ROPE:
Expand Down
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 @@ -801,6 +801,8 @@ void process_shaders() {
string_to_spv("repeat_f32", "repeat.comp", {{"A_TYPE", "float"}, {"D_TYPE", "float"}});
string_to_spv("repeat_back_f32", "repeat_back.comp", {{"A_TYPE", "float"}, {"D_TYPE", "float"}});

string_to_spv("repeat_f16", "repeat.comp", {{"A_TYPE", "float16_t"}, {"D_TYPE", "float16_t"}});

string_to_spv("scale_f32", "scale.comp", {{"A_TYPE", "float"}, {"D_TYPE", "float"}, {"FLOAT_TYPE", "float"}});

string_to_spv("sqr_f32", "square.comp", {{"A_TYPE", "float"}, {"D_TYPE", "float"}, {"FLOAT_TYPE", "float"}});
Expand Down