diff options
Diffstat (limited to 'ggml-cuda.cu')
| -rw-r--r-- | ggml-cuda.cu | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/ggml-cuda.cu b/ggml-cuda.cu index 2a90ee55..d0a754ee 100644 --- a/ggml-cuda.cu +++ b/ggml-cuda.cu @@ -119,6 +119,20 @@ int ggml_cuda_get_device() { return id; } +static cudaError_t ggml_cuda_device_malloc(void ** ptr, size_t size, int device) { + ggml_cuda_set_device(device); +#if defined(GGML_USE_HIPBLAS) && defined(GGML_HIP_UMA) + auto res = hipMallocManaged(ptr, size); + if (res == hipSuccess) { + // if error we "need" to know why... + CUDA_CHECK(hipMemAdvise(*ptr, size, hipMemAdviseSetCoarseGrain, device)); + } + return res; +#else + return cudaMalloc(ptr, size); +#endif +} + static ggml_cuda_device_info ggml_cuda_init() { #ifdef __HIP_PLATFORM_AMD__ // Workaround for a rocBLAS bug when using multiple graphics cards: @@ -271,7 +285,7 @@ struct ggml_cuda_pool_leg : public ggml_cuda_pool { size_t look_ahead_size = (size_t) (1.05 * size); look_ahead_size = 256 * ((look_ahead_size + 255)/256); ggml_cuda_set_device(device); - CUDA_CHECK(cudaMalloc((void **) &ptr, look_ahead_size)); + CUDA_CHECK(ggml_cuda_device_malloc(&ptr, look_ahead_size, device)); *actual_size = look_ahead_size; pool_size += look_ahead_size; #ifdef DEBUG_CUDA_MALLOC @@ -537,7 +551,7 @@ GGML_CALL static ggml_backend_buffer_t ggml_backend_cuda_buffer_type_alloc_buffe size = std::max(size, (size_t)1); // cudaMalloc returns null for size 0 void * dev_ptr; - cudaError_t err = cudaMalloc(&dev_ptr, size); + cudaError_t err = ggml_cuda_device_malloc(&dev_ptr, size, buft_ctx->device); if (err != cudaSuccess) { // clear the error cudaGetLastError(); @@ -798,7 +812,7 @@ GGML_CALL static void ggml_backend_cuda_split_buffer_init_tensor(ggml_backend_bu // currently, init_tensor cannot fail, it needs to be fixed in ggml-backend first ggml_cuda_set_device(id); char * buf; - CUDA_CHECK(cudaMalloc(&buf, size)); + CUDA_CHECK(ggml_cuda_device_malloc((void**)&buf, size, id)); // set padding to 0 to avoid possible NaN values if (size > original_size) { |