diff --git a/ggml/src/ggml-cuda/ggml-cuda.cu b/ggml/src/ggml-cuda/ggml-cuda.cu index da312992c8039..a5e77672f6e95 100644 --- a/ggml/src/ggml-cuda/ggml-cuda.cu +++ b/ggml/src/ggml-cuda/ggml-cuda.cu @@ -273,6 +273,15 @@ static ggml_cuda_device_info ggml_cuda_init() { } else if (device_name.substr(0, 21) == "NVIDIA GeForce GTX 16") { turing_devices_without_mma.push_back({ id, device_name }); } + + // Temporary performance fix: + // Setting device scheduling strategy for iGPUs with cc121 to "spinning" to avoid delays in cuda synchronize calls. + // TODO: Check for future drivers the default scheduling strategy and + // remove this call again when cudaDeviceScheduleSpin is default. + if (prop.major == 12 && prop.minor == 1) { + CUDA_CHECK(cudaSetDeviceFlags(cudaDeviceScheduleSpin)); + } + #endif // defined(GGML_USE_HIP) }