Re: [petsc-dev] [petsc-maint] running CUDA on SUMMIT

2019-09-01 Thread Smith, Barry F. via petsc-dev
git branch --contains barry/2019-09-01/robustify-version-check balay/jed-gitlab-ci master Make a new branch from your current branch, add like -feature-sf-on-gpu to the end of the name and merge in jczhang/feature-sf-on-gpu configure and test with that. Barry > On Sep

Re: [petsc-dev] [petsc-maint] running CUDA on SUMMIT

2019-09-01 Thread Mark Adams via petsc-dev
Junchao and Barry, I am using mark/fix-cuda-with-gamg-pintocpu, which is built on barry's robustify branch. Is this in master yet? If so, I'd like to get my branch merged to master, then merge Junchao's branch. Then us it. I think we were waiting for some refactoring from Karl to proceed.

Re: [petsc-dev] [petsc-maint] running CUDA on SUMMIT

2019-09-01 Thread Zhang, Junchao via petsc-dev
On Sat, Aug 31, 2019 at 8:04 PM Mark Adams mailto:mfad...@lbl.gov>> wrote: On Sat, Aug 31, 2019 at 4:28 PM Smith, Barry F. mailto:bsm...@mcs.anl.gov>> wrote: Any explanation for why the scaling is much better for CPUs and than GPUs? Is it the "extra" time needed for communication from