diff --git a/examples/server/server.cpp b/examples/server/server.cpp index 22c344dd4..7ffe80310 100644 --- a/examples/server/server.cpp +++ b/examples/server/server.cpp @@ -309,6 +309,10 @@ struct llama_client_slot } }; +#ifdef GGML_USE_CUBLAS +extern "C" GGML_CALL void ggml_free_cublas(void); +#endif + struct llama_server_context { llama_model *model = nullptr; @@ -355,6 +359,10 @@ struct llama_server_context llama_free_model(model); model = nullptr; } +#ifdef GGML_USE_CUBLAS + ggml_free_cublas(); +#endif + } bool load_model(const gpt_params ¶ms_) @@ -3217,6 +3225,7 @@ int main(int argc, char **argv) sigemptyset (&sigint_action.sa_mask); sigint_action.sa_flags = 0; sigaction(SIGINT, &sigint_action, NULL); + sigaction(SIGUSR1, &sigint_action, NULL); #elif defined (_WIN32) auto console_ctrl_handler = +[](DWORD ctrl_type) -> BOOL { return (ctrl_type == CTRL_C_EVENT) ? (signal_handler(SIGINT), true) : false; @@ -3230,3 +3239,4 @@ int main(int argc, char **argv) llama_backend_free(); return 0; } + diff --git a/ggml-cuda.cu b/ggml-cuda.cu index 933ebbc4e..716b3ef88 100644 --- a/ggml-cuda.cu +++ b/ggml-cuda.cu @@ -39,6 +39,7 @@ #define __shfl_xor_sync(mask, var, laneMask, width) __shfl_xor(var, laneMask, width) #define cublasComputeType_t hipblasDatatype_t //deprecated, new hipblasComputeType_t not in 5.6 #define cublasCreate hipblasCreate +#define cublasDestroy hipblasDestroy #define cublasGemmEx hipblasGemmEx #define cublasGemmBatchedEx hipblasGemmBatchedEx #define cublasGemmStridedBatchedEx hipblasGemmStridedBatchedEx @@ -7991,10 +7992,11 @@ GGML_CALL bool ggml_cublas_loaded(void) { return g_cublas_loaded; } -GGML_CALL void ggml_init_cublas() { - static bool initialized = false; +static bool g_cublas_initialized = false; - if (!initialized) { +GGML_CALL void ggml_init_cublas() { + + if (!g_cublas_initialized) { #ifdef __HIP_PLATFORM_AMD__ // Workaround for a rocBLAS bug when using multiple graphics cards: @@ -8004,7 +8006,7 @@ GGML_CALL void ggml_init_cublas() { #endif if (cudaGetDeviceCount(&g_device_count) != cudaSuccess) { - initialized = true; + g_cublas_initialized = true; g_cublas_loaded = false; fprintf(stderr, "%s: no " GGML_CUDA_NAME " devices found, " GGML_CUDA_NAME " will be disabled\n", __func__); return; @@ -8075,7 +8077,7 @@ GGML_CALL void ggml_init_cublas() { // configure logging to stdout // CUBLAS_CHECK(cublasLoggerConfigure(1, 1, 0, nullptr)); - initialized = true; + g_cublas_initialized = true; g_cublas_loaded = true; } } @@ -11604,3 +11606,17 @@ GGML_CALL int ggml_backend_cuda_reg_devices() { } return device_count; } + +extern "C" GGML_CALL void ggml_free_cublas(void); +GGML_CALL void ggml_free_cublas(void) { + for (int id = 0; id < g_device_count; ++id) { +#if !defined(GGML_USE_HIPBLAS) + CU_CHECK(cuMemUnmap(g_cuda_pool_addr[id], g_cuda_pool_size[id])); + g_cuda_pool_size[id] = 0; + g_cuda_pool_addr[id] = 0; +#endif + CUBLAS_CHECK(cublasDestroy(g_cublas_handles[id])); + g_cublas_handles[id] = nullptr; + } + g_cublas_initialized = false; +} \ No newline at end of file diff --git a/ggml-cuda.h b/ggml-cuda.h index b1ebd61d7..b4c80c2ca 100644 --- a/ggml-cuda.h +++ b/ggml-cuda.h @@ -20,6 +20,9 @@ extern "C" { // Always success. To check if CUDA is actually loaded, use `ggml_cublas_loaded`. GGML_API GGML_CALL void ggml_init_cublas(void); +// Release CUDA resources +GGML_API GGML_CALL void ggml_free_cublas(void); + // Returns `true` if there are available CUDA devices and cublas loads successfully; otherwise, it returns `false`. GGML_API GGML_CALL bool ggml_cublas_loaded(void);