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Diffstat (limited to 'cuda/2d/algo.cu')
| -rw-r--r-- | cuda/2d/algo.cu | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/cuda/2d/algo.cu b/cuda/2d/algo.cu index 5ae5d08..f04607f 100644 --- a/cuda/2d/algo.cu +++ b/cuda/2d/algo.cu @@ -99,12 +99,14 @@ void ReconAlgo::reset() bool ReconAlgo::setGPUIndex(int iGPUIndex) { - cudaSetDevice(iGPUIndex); - cudaError_t err = cudaGetLastError(); + if (iGPUIndex != -1) { + cudaSetDevice(iGPUIndex); + cudaError_t err = cudaGetLastError(); - // Ignore errors caused by calling cudaSetDevice multiple times - if (err != cudaSuccess && err != cudaErrorSetOnActiveProcess) - return false; + // Ignore errors caused by calling cudaSetDevice multiple times + if (err != cudaSuccess && err != cudaErrorSetOnActiveProcess) + return false; + } return true; } |