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neoscrypt: reduce a bit the cpu usage

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This commit is contained in:
Tanguy Pruvot 2016-07-08 20:04:45 +02:00
parent a4196b341d
commit 26a862c7f6
1 changed files with 6 additions and 2 deletions
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8
neoscrypt/neoscrypt.cpp
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@ -32,8 +32,12 @@ int scanhash_neoscrypt(int thr_id, struct work* work, uint32_t max_nonce, unsign
{ {
cudaDeviceSynchronize(); cudaDeviceSynchronize();
cudaSetDevice(dev_id); cudaSetDevice(dev_id);
cudaDeviceSetCacheConfig(cudaFuncCachePreferL1); if (opt_cudaschedule == -1 && gpu_threads == 1) {
cudaGetLastError(); // reset errors if device is not "reset" cudaDeviceReset();
// reduce cpu usage
cudaSetDeviceFlags(cudaDeviceScheduleBlockingSync);
cudaGetLastError(); // reset errors if device is not "reset"
}
if (device_sm[dev_id] <= 300) { if (device_sm[dev_id] <= 300) {
gpulog(LOG_ERR, thr_id, "Sorry neoscrypt is not supported on SM 3.0 devices"); gpulog(LOG_ERR, thr_id, "Sorry neoscrypt is not supported on SM 3.0 devices");