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authorWillem Jan Palenstijn <WillemJan.Palenstijn@uantwerpen.be>2014-04-02 14:21:59 +0000
committerwpalenst <WillemJan.Palenstijn@uantwerpen.be>2014-04-02 14:21:59 +0000
commit2895e27613dab0815e9f0f2f0ed7853d31f856b4 (patch)
tree851d7171e07aa6db322cbf9286107b3db20f6a4e /cuda/2d/darthelper.cu
parent1d1e084d501883784eab283c622cb28510f36d27 (diff)
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Add global astra_set_gpu_index function
Diffstat (limited to 'cuda/2d/darthelper.cu')
-rw-r--r--cuda/2d/darthelper.cu12
1 files changed, 7 insertions, 5 deletions
diff --git a/cuda/2d/darthelper.cu b/cuda/2d/darthelper.cu
index db0036e..28b77cc 100644
--- a/cuda/2d/darthelper.cu
+++ b/cuda/2d/darthelper.cu
@@ -344,12 +344,14 @@ void dartSmoothing(float* out, const float* in, float b, unsigned int radius, un
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;
}