metal : workaround macOS GPU interactivity watchdog (#22216)

2026-04-21 17:24:55 +03:00
parent 82209efb7e
commit 7fc1c4ef78
1 changed files with 4 additions and 0 deletions
@@ -918,6 +918,10 @@ ggml_backend_reg_t ggml_backend_metal_reg(void) {
        static std::vector<ggml_backend_device_ptr> devs;

        if (!initialized) {
+            // workaround macOS limitation (kIOGPUCommandBufferCallbackErrorImpactingInteractivity) until proper fix becomes possible
+            // ref: https://github.com/ggml-org/llama.cpp/issues/20141#issuecomment-4272947703
+            setenv("AGX_RELAX_CDM_CTXSTORE_TIMEOUT", "1", true);
+
            static ggml_backend_metal_reg_ptr reg_ctx(ggml_backend_metal_reg_init());

            for (int i = 0; i < g_devices; ++i) {