[petsc-dev] configuring PETSC for a cluster with GPUs

[mary sweat]

hmmm I'm still not able to make the code work on my cluster with GPUs :(


Il Mercoledì 14 Maggio 2014 19:33, Jed Brown <jed at jedbrown.org> ha scritto:
 
mary sweat <mary.sweat78 at yahoo.it> writes:


> I'm trying to use Petsc to solve a system with ksp preconditioned with
> jacobi.  Is this algorithm effivient in a GPU cluster?

That algorithm runs fine on the GPU if the problem size is large enough,
but why are you using that algorithm?  (It converges very slowly for
most problems.)
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