diff options
| author | Willem Jan Palenstijn <WillemJan.Palenstijn@uantwerpen.be> | 2014-04-02 14:21:59 +0000 |
|---|---|---|
| committer | wpalenst <WillemJan.Palenstijn@uantwerpen.be> | 2014-04-02 14:21:59 +0000 |
| commit | 2895e27613dab0815e9f0f2f0ed7853d31f856b4 (patch) | |
| tree | 851d7171e07aa6db322cbf9286107b3db20f6a4e /cuda/3d/darthelper3d.cu | |
| parent | 1d1e084d501883784eab283c622cb28510f36d27 (diff) | |
| download | astra-2895e27613dab0815e9f0f2f0ed7853d31f856b4.tar.gz astra-2895e27613dab0815e9f0f2f0ed7853d31f856b4.tar.bz2 astra-2895e27613dab0815e9f0f2f0ed7853d31f856b4.tar.xz astra-2895e27613dab0815e9f0f2f0ed7853d31f856b4.zip | |
Add global astra_set_gpu_index function
Diffstat (limited to 'cuda/3d/darthelper3d.cu')
| -rw-r--r-- | cuda/3d/darthelper3d.cu | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/cuda/3d/darthelper3d.cu b/cuda/3d/darthelper3d.cu index 68330a1..6e60ec2 100644 --- a/cuda/3d/darthelper3d.cu +++ b/cuda/3d/darthelper3d.cu @@ -215,12 +215,14 @@ namespace astraCUDA3d { bool 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; } |