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vulkan: disable spirv-opt for bfloat16 shaders (#15352)

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This commit is contained in:
Jeff Bolz
2025-08-18 00:56:29 -05:00
committed by GitHub
parent e5155e6986
commit ae532eac2c
1 changed files with 2 additions and 1 deletions
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ggml/src/ggml-vulkan/vulkan-shaders/vulkan-shaders-gen.cpp
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@@ -223,7 +223,8 @@ 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";
// disable spirv-opt for bf16 shaders for https://github.com/ggml-org/llama.cpp/issues/15344
std::string opt_level = (coopmat || name.find("bf16") != std::string::npos) ? "" : "-O";
#ifdef _WIN32
std::vector<std::string> cmd = {GLSLC, "-fshader-stage=compute", target_env, opt_level, "\"" + in_path + "\"", "-o", "\"" + out_fname + "\""};