On Donnerstag 24 Dezember 2009, Raymond Tay wrote: > another comparison by running the CUDA 2.3 SDK samples deviceQueryDrv > (which used *cuDeviceGetAttribute *and looked for > *CU_DEVICE_ATTRIBUTE_CLOCK_RATE*) and that ran fine.... > > I don't know why its failing for CLOCK_RATE in PyCuda, anyone has ideas?
This is truly strange. Have you checked (using "otool -L") if they both link against the same CUDA library? That's the only explanation that makes sense to me. Were you querying the same card both times? Andreas
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