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vulkan: fix coopmat1 without bf16 support (llama/19793)

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Jeff Bolz 2026-02-24 00:48:32 -06:00 committed by Georgi Gerganov
parent 344eae3d22
commit dcc877688d
1 changed files with 3 additions and 1 deletions
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ggml/src/ggml-vulkan/ggml-vulkan.cpp
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@ -3780,10 +3780,12 @@ static void ggml_vk_load_shaders(vk_device& device) {
&& !device->coopmat_bf16_support
#endif
) {
const uint32_t s_warptile_wm = device->subgroup_size == 8 ? 8 : 32;
// use scalar tile sizes
l_warptile = { 128, 128, 128, 16, subgroup_size_8 * 2, 64, 2, 4, 4, 1, subgroup_size_8 };
m_warptile = { 128, 64, 64, 16, subgroup_size_8, 32, 2, 4, 2, 1, subgroup_size_8 };
s_warptile = { subgroup_size_16, 32, 32, 16, 32, 32, 2, 2, 2, 1, subgroup_size_8 };
s_warptile = { subgroup_size_32, 32, 32, 16, s_warptile_wm, 32, 2, 2, 2, 1, subgroup_size_8 };
l_wg_denoms = {128, 128, 1 };
m_wg_denoms = { 64, 64, 1 };