diff options
Diffstat (limited to 'xmrstak/backend/nvidia/nvcc_code/cuda_extra.cu')
| -rw-r--r-- | xmrstak/backend/nvidia/nvcc_code/cuda_extra.cu | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/xmrstak/backend/nvidia/nvcc_code/cuda_extra.cu b/xmrstak/backend/nvidia/nvcc_code/cuda_extra.cu index d5d0039..92259db 100644 --- a/xmrstak/backend/nvidia/nvcc_code/cuda_extra.cu +++ b/xmrstak/backend/nvidia/nvcc_code/cuda_extra.cu @@ -204,7 +204,13 @@ extern "C" int cryptonight_extra_cpu_init(nvid_ctx* ctx) break; }; - CUDA_CHECK(ctx->device_id, cudaDeviceSetCacheConfig(cudaFuncCachePreferL1)); + const int gpuArch = ctx->device_arch[0] * 10 + ctx->device_arch[1]; + + /* Disable L1 cache for GPUs before Volta. + * L1 speed is increased and latency reduced with Volta. + */ + if(gpuArch < 70) + CUDA_CHECK(ctx->device_id, cudaDeviceSetCacheConfig(cudaFuncCachePreferL1)); size_t hashMemSize; if(::jconf::inst()->IsCurrencyMonero()) |
