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vulkan: disable spirv-opt for rope shaders #16872

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Oct 31, 2025
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vulkan: disable spirv-opt for rope shaders #16872

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3 changes: 2 additions & 1 deletion ggml/src/ggml-vulkan/vulkan-shaders/vulkan-shaders-gen.cpp
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Expand Up @@ -317,7 +317,8 @@ void string_to_spv_func(std::string name, std::string in_path, std::string out_p

// disable spirv-opt for coopmat shaders for https://github.com/ggerganov/llama.cpp/issues/10734
// 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";
// disable spirv-opt for rope shaders for https://github.com/ggml-org/llama.cpp/issues/16860
std::string opt_level = (coopmat || name.find("bf16") != std::string::npos || name.find("rope") != std::string::npos) ? "" : "-O";

#ifdef _WIN32
std::vector<std::string> cmd = {GLSLC, "-fshader-stage=compute", target_env, opt_level, "\"" + in_path + "\"", "-o", "\"" + out_path + "\""};
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