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Add AMD GCN Vulkan pipeline subgroup overrides #8

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Add AMD GCN Vulkan pipeline subgroup overrides #8

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15 changes: 15 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 @@ -2324,10 +2324,25 @@ static const std::unordered_map<std::string, uint32_t> rdna2_pipelines = {
{"soft_max", 64}, {"im2col", 64},
};

// Pipeline configuration for GCN GPUs.
static const std::unordered_map<std::string, uint32_t> amd_gcn_pipelines = {
{"mul_mat_vec", 64},
{"soft_max", 64},
{"im2col", 64},
};

static constexpr uint32_t RDNA_DEFAULT_SUBGROUP_SIZE = 32;
static constexpr uint32_t GCN_DEFAULT_SUBGROUP_SIZE = 64;

// Define configurations for different GPUs.
static std::vector<GpuPipelineConfig> gpu_pipeline_configs = {
{
vk_device_architecture::AMD_GCN,
{
amd_gcn_pipelines,
},
GCN_DEFAULT_SUBGROUP_SIZE
},
{
vk_device_architecture::AMD_RDNA1,
{
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