[petsc-dev] Pipelined CG

Karl Rupp rupp at mcs.anl.gov
Wed Dec 5 11:33:17 CST 2012


Hi Jed,

great, thanks! I think these versions might also work in a multi-GPU 
setting, where global synchronization is even more expensive. I should 
be able to give that a try soon :-)

Best regards,
Karli



On 12/05/2012 11:08 AM, Jed Brown wrote:
> I just merged several pipelined conjugate gradient methods from Pieter
> Ghysels. If you are interested, here's the paper.
>
> http://www.exascience.com/wp-content/uploads/2012/12/Ghysels_12.2012.1.pdf
>
> Access the methods with -ksp_type <pipecg,groppcg,pipecr>




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