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vulkan: add fwht support for Intel with shmem reduction (#23964)

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* vulkan: add fwht support for Intel with shmem reduction

* don't use N as workgroup size

* disable subgroup shuffle on MoltenVK AMD

* disable fwht shader on Intel Windows due to driver bug
This commit is contained in:
Ruben Ortlam
2026-06-05 19:44:40 +02:00
committed by GitHub
parent c4a278d68e
commit e82beaa60d
3 changed files with 76 additions and 16 deletions
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ggml/src/ggml-vulkan/vulkan-shaders/vulkan-shaders-gen.cpp
+1
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@@ -957,6 +957,7 @@ void process_shaders() {
string_to_spv("argmax_f32", "argmax.comp", merge_maps(base_dict, {{"A_TYPE", "float"}, {"D_TYPE", "int"}}));
string_to_spv("sum_rows_f32", "sum_rows.comp", merge_maps(base_dict, {{"A_TYPE", "float"}, {"D_TYPE", "float"}}));
string_to_spv("fwht_f32", "fwht.comp", {});
string_to_spv("fwht_shmem_f32", "fwht.comp", {{"FWHT_SHMEM", "1"}});
string_to_spv("count_equal_i32", "count_equal.comp", merge_maps(base_dict, {{"A_TYPE", "int"}, {"B_TYPE", "int"}, {"D_TYPE", "int"}}));
string_to_spv("cumsum_f32", "cumsum.comp", merge_maps(base_dict, {{"A_TYPE", "float"}, {"D_TYPE", "float"}}));
string_to_spv("cumsum_multipass1_f32", "cumsum_multipass1.comp", merge_maps(base_dict, {{"A_TYPE", "float"}, {"D_TYPE", "float"}}));