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Merge pull request #950 from psychocrypt/topic-reduceMemoryForSlowNvidiaGPUs

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reduce memory usage for low end gpus
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fireice-uk
2018-01-26 21:21:56 +00:00
committed by GitHub
parent baba941e6f ea6c147ab2
commit dded06a3dd
1 changed files with 6 additions and 0 deletions
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xmrstak/backend/nvidia/nvcc_code/cuda_extra.cu
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@@ -441,6 +441,12 @@ extern "C" int cuda_get_deviceinfo(nvid_ctx* ctx)
maxMemUsage = size_t(1024u) * byteToMiB;
}
if(props.multiProcessorCount <= 6)
{
// limit memory usage for low end devices to reduce the number of threads
maxMemUsage = size_t(1024u) * byteToMiB;
}
int* tmp;
cudaError_t err;
// a device must be selected to get the right memory usage later on