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| 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/2d/astra.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/2d/astra.cu')
| -rw-r--r-- | cuda/2d/astra.cu | 53 |
1 files changed, 29 insertions, 24 deletions
diff --git a/cuda/2d/astra.cu b/cuda/2d/astra.cu index 5d53da0..2240629 100644 --- a/cuda/2d/astra.cu +++ b/cuda/2d/astra.cu @@ -195,13 +195,15 @@ bool AstraFBP::init(int iGPUIndex) return false; } - 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; + } } bool ok = allocateVolume(pData->D_volumeData, pData->dims.iVolWidth+2, pData->dims.iVolHeight+2, pData->volumePitch); @@ -563,13 +565,14 @@ bool astraCudaFP(const float* pfVolume, float* pfSinogram, dims.iVolWidth = iVolWidth; dims.iVolHeight = iVolHeight; - cudaSetDevice(iGPUIndex); - cudaError_t err = cudaGetLastError(); - - // Ignore errors caused by calling cudaSetDevice multiple times - if (err != cudaSuccess && err != cudaErrorSetOnActiveProcess) - return false; + if (iGPUIndex != -1) { + cudaSetDevice(iGPUIndex); + cudaError_t err = cudaGetLastError(); + // Ignore errors caused by calling cudaSetDevice multiple times + if (err != cudaSuccess && err != cudaErrorSetOnActiveProcess) + return false; + } bool ok; @@ -649,13 +652,14 @@ bool astraCudaFanFP(const float* pfVolume, float* pfSinogram, dims.iVolWidth = iVolWidth; dims.iVolHeight = iVolHeight; - cudaSetDevice(iGPUIndex); - cudaError_t err = cudaGetLastError(); - - // Ignore errors caused by calling cudaSetDevice multiple times - if (err != cudaSuccess && err != cudaErrorSetOnActiveProcess) - return false; + if (iGPUIndex != -1) { + cudaSetDevice(iGPUIndex); + cudaError_t err = cudaGetLastError(); + // Ignore errors caused by calling cudaSetDevice multiple times + if (err != cudaSuccess && err != cudaErrorSetOnActiveProcess) + return false; + } bool ok; @@ -759,13 +763,14 @@ bool astraCudaFanFP(const float* pfVolume, float* pfSinogram, dims.iVolWidth = iVolWidth; dims.iVolHeight = iVolHeight; - cudaSetDevice(iGPUIndex); - cudaError_t err = cudaGetLastError(); - - // Ignore errors caused by calling cudaSetDevice multiple times - if (err != cudaSuccess && err != cudaErrorSetOnActiveProcess) - return false; + if (iGPUIndex != -1) { + cudaSetDevice(iGPUIndex); + cudaError_t err = cudaGetLastError(); + // Ignore errors caused by calling cudaSetDevice multiple times + if (err != cudaSuccess && err != cudaErrorSetOnActiveProcess) + return false; + } bool ok; |