[petsc-dev] patch for BiCG on GPUs (reworked).

[Karl Rupp]

Hi Paul,

I just uncrustified src/mat/impls/aij/* and pushed it to petsc-dev. 
Could you please re-generate your patch based on the latest commit?

Thanks and best regards,
Karli


On 02/01/2013 06:11 PM, Paul Mullowney wrote:
> Hi,
>
> Here's a reworked patch for running BiCG on GPUs (with ILU(0)
> preconditioners) on GPUs for the aijcusparse.cu class. I fixed the
> comments from the previous emails on this patch. In particular, I added
>
> (1) VecConjugate implementation in veccusp.cu with the correct method
> for getting the device ptr (VecCUSPGetArrayReadWrite()).
> (2) Various methods in aijcusparse.cu for building the transpose
> matrices for MatSolveTranspose* methods. The implementation of the
> solves is done under the hood in the txpetscgpu library. A protection
> was added to ensure the matrix generation routines are only called once.
> (3) I fixed the uninitialized compiler warning when building in double
> complex. This required a slight fix in VecCUSPGetArrayWrite().
> (4) Small Style fixes.
>
> I wasn't clear to me how to break this up patch into a small
> organizational patch and then a large implementation patch. If you have
> suggestions on what corresponds to organization and what corresponds to
> implementation, I can try to do that in subsequent patches.
>
> Everything builds and runs fine on my end.
>
> Thanks,
> -Paul