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vulkan: disable spirv-opt for coopmat shaders (llama/10763)

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There are some bugs in the 1.3.296 SDK, so disable this. It isn't strictly
necessary anyway.

Add missing dependency on vulkan-shaders-gen, so shaders get recompiled when it
changes.

Fix coopmat support reporting when glslc doesn't support NV_coopmat2.
This commit is contained in:
Jeff Bolz 2024-12-10 11:22:20 -06:00 committed by Georgi Gerganov
parent c635f40a34
commit 86346f811e
3 changed files with 8 additions and 3 deletions
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2
ggml/src/ggml-vulkan/CMakeLists.txt
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@ -81,7 +81,7 @@ if (Vulkan_FOUND)
--target-cpp ${_ggml_vk_source}
--no-clean
DEPENDS ${_ggml_vk_shader_deps}
DEPENDS ${_ggml_vk_shader_deps} ${_ggml_vk_genshaders_cmd}
COMMENT "Generate vulkan shaders"
)

2
ggml/src/ggml-vulkan/ggml-vulkan.cpp
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@ -2425,9 +2425,11 @@ static void ggml_vk_print_gpu_info(size_t idx) {
} else if (strcmp("VK_KHR_cooperative_matrix", properties.extensionName) == 0 &&
!getenv("GGML_VK_DISABLE_COOPMAT")) {
coopmat_support = true;
#if defined(GGML_VULKAN_COOPMAT2_GLSLC_SUPPORT)
} else if (strcmp("VK_NV_cooperative_matrix2", properties.extensionName) == 0 &&
!getenv("GGML_VK_DISABLE_COOPMAT2")) {
coopmat2_support = true;
#endif
}
}

7
ggml/src/ggml-vulkan/vulkan-shaders/vulkan-shaders-gen.cpp
View File

@ -206,10 +206,13 @@ void string_to_spv_func(const std::string& _name, const std::string& in_fname, c
std::string target_env = (name.find("_cm2") != std::string::npos) ? "--target-env=vulkan1.3" : "--target-env=vulkan1.2";
// disable spirv-opt for coopmat shaders for https://github.com/ggerganov/llama.cpp/issues/10734
std::string opt_level = coopmat ? "" : "-O";
#ifdef _WIN32
std::vector<std::string> cmd = {GLSLC, "-fshader-stage=compute", target_env, "-O", "\"" + in_path + "\"", "-o", "\"" + out_fname + "\""};
std::vector<std::string> cmd = {GLSLC, "-fshader-stage=compute", target_env, opt_level, "\"" + in_path + "\"", "-o", "\"" + out_fname + "\""};
#else
std::vector<std::string> cmd = {GLSLC, "-fshader-stage=compute", target_env, "-O", in_path, "-o", out_fname};
std::vector<std::string> cmd = {GLSLC, "-fshader-stage=compute", target_env, opt_level, in_path, "-o", out_fname};
#endif
#ifdef GGML_VULKAN_SHADER_DEBUG_INFO