[petsc-dev] Should we add something about GPU support to the user manual?

Mills, Richard Tran rtmills at anl.gov
Tue Oct 29 15:19:39 CDT 2019

Hi Gautam,

Apologies for overlooking this. The slides are now available online:


There isn't a whole lot in terms of GPU results in there, but GPU support is currently a very active area of development for the PETSc team and we should have a lot more to report soon. (We'll have several presentations at SIAM-PP in Seattle on this topic, for instance.)

Best regards,

On 9/20/19 12:37 PM, Bisht, Gautam wrote:
Hi Richard,

Information about PETSc’s support for GPU would be super helpful. Btw, I noticed that in PETSc User 2019 meeting<https://www.mcs.anl.gov/petsc/meetings/2019/index.html> you gave a talk on "Progress with PETSc on Manycore and GPU-based Systems on the Path to Exascale”, but the slides for the talk were not up on the website. Is it possible for you to share those slides or post them on the online?


On Sep 12, 2019, at 10:18 AM, Mills, Richard Tran via petsc-dev <petsc-dev at mcs.anl.gov<mailto:petsc-dev at mcs.anl.gov>> wrote:

Fellow PETSc developers,

I've had a few people recently ask me something along the lines of "Where do I look in the user manual for information about how to use GPUs with PETSc?", and then I have to give them the slightly embarrassing answer that there is nothing in there. Since we officially added GPU support a few releases ago, it might be appropriate to put something in the manual (even though our GPU support is still a moving target). I think I can draft something based on the existing tutorial material that Karl and I have been presenting. Do others think this would be worthwhile, or is our GPU support still too immature to belong in the manual? And are there any thoughts on where this belongs in the manual?


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