[petsc-dev] CUDA sm_13 for double

[Barry Smith]

On Jan 11, 2011, at 4:55 PM, Lisandro Dalcin wrote:

> I think the two lines below (config/PETSc/packages/cuda.py ) are wrong:
> 
>      if self.scalartypes.precision == 'double':
>        self.setCompilers.addCompilerFlag('-arch sm_13')
> 
> What if your GPU is sm_20?

   This is a hack to get things to work. We've love for you to tell us the correct solution. Should it try to set the arch to the highest one supported by the system? (If so how do we find out the highest)?

  Thanks

   Barry


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