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reduce memory usage for low end gpus

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reduce memory usage to 1GiB for NVIDIA devices with <=6 SMX
This commit is contained in:
psychocrypt
2018-01-22 21:02:05 +01:00
parent 8731717488
commit ea6c147ab2
1 changed files with 6 additions and 0 deletions
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xmrstak/backend/nvidia/nvcc_code/cuda_extra.cu
+6
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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