Sure, AMG setup is another (especially if Mark/someone could do some legwork in advance; this might be a rabbit hole). Deluxe BDDC if Stefano is there. We include a libCEED-based PETSc miniapp looking at assembly and MG bottlenecks (using mostly matrix-free data structures).
Barry Smith <bsm...@petsc.dev> writes: > Jed, > > Thanks for the insight. > > Maybe Hong and his Ellpack format? Or his independent set algorithm? > > Maybe Stefano and his COO matrix assembly on GPUs? > > Others? > > Barry > > >> On Mar 12, 2021, at 4:37 PM, Jed Brown <j...@jedbrown.org> wrote: >> >> I helped with one of these a couple years ago. It's important to go in with >> a well-defined problem and mini-app. If "PETSc" is the topic, then you >> should start with a representative benchmark problem that runs in no more >> than a couple minutes. It could be two problems, one that we think is good >> and one that we think is weak. The format is good for incrementally >> profiling and refactoring existing code. Probably less so for doing careful >> implementations of genuinely novel algorithms. (And if you plan to do that, >> make sure there's a way that the one person focused on that lift doesn't >> block the rest of the team.) >> >> Barry Smith <bsm...@petsc.dev <mailto:bsm...@petsc.dev>> writes: >> >>> Folks, >>> >>> Get was able to get us into the ANL GPU hackathon that will use the >>> "theta" GPU system at ANL (that has NVIDIA GPUs). ALCF accounts are needed >>> for the hackathon (but can be created). Registration information is below. >>> If we go with specific goals it could be a useful experience. >>> >>> Barry >>> >>> >>> >>>> Begin forwarded message: >>>> >>>> From: Andi Moore <amo...@nvidia.com> >>>> Subject: Argonne GPU Virtual Hackathon - Accepted >>>> Date: March 11, 2021 at 5:09:02 PM CST >>>> To: "d.get...@gmail.com" <d.get...@gmail.com>, "gbet...@anl.gov" >>>> <gbet...@anl.gov>, "bsm...@petsc.dev" <bsm...@petsc.dev> >>>> Cc: "Ghadar, Yasaman" <gha...@anl.gov>, Julia Levites <jlevi...@nvidia.com> >>>> Message-Id: >>>> <mw3pr12mb4588bf988609b8f7a49f6a21b3...@mw3pr12mb4588.namprd12.prod.outlook.com> >>>> >>>> Dear Team Barry Smith, >>>> >>>> Congratulations! Your team has been selected to participate in the Argonne >>>> GPU Virtual Hackathon. >>>> >>>> The next steps: >>>> >>>> Registration >>>> Each team member is required to register for the event. Please click here >>>> <https://www.gpuhackathons.org/form/gpu-event-registration >>>> <https://www.gpuhackathons.org/form/gpu-event-registration>> to register >>>> and select the Hackathon from the drop-down menu. Please register as soon >>>> as possible. >>>> >>>> Mentors >>>> Mentors are being selected for each team based on your research fields and >>>> coding needs. An introductory call for teams and mentors has been >>>> scheduled for Wednesday, April 7th, details below. >>>> >>>> System Access >>>> Request an ALCF Computer User Account <https://accounts.alcf.anl.gov/ >>>> <https://accounts.alcf.anl.gov/>> if you do not currently have one. If you >>>> have an ALCF account, but it is currently inactive, reactivate >>>> <https://accounts.alcf.anl.gov/#!/accountReactivate >>>> <https://accounts.alcf.anl.gov/#!/accountReactivate>> your account. >>>> Specify the following in the account request/reactivation form: >>>> Project Name: gpu_hack >>>> Principal Investigator (PI): Yasaman Ghadar >>>> >>>> Contact accou...@alcf.anl.gov <mailto:accou...@alcf.anl.gov> >>>> <mailto:accou...@alcf.anl.gov <mailto:accou...@alcf.anl.gov>> if you have >>>> questions about your ALCF account. >>>> >>>> Additional information >>>> Review the GPU Hackathon Virtual Attendee Guide >>>> <https://docs.google.com/document/d/1M7vacg0GLg38gsJYHOg2tM_M0QArOSCrPiLaQER9hzg/edit?usp=sharing >>>> >>>> <https://docs.google.com/document/d/1M7vacg0GLg38gsJYHOg2tM_M0QArOSCrPiLaQER9hzg/edit?usp=sharing>> >>>> Review the technical resources website >>>> <https://www.gpuhackathons.org/technical-resources >>>> <https://www.gpuhackathons.org/technical-resources>> which will help you >>>> prepare for the hackathon. The page includes information about profiling >>>> tools, compilers, libraries, programming models and more. >>>> >>>> Slack >>>> All communication for the event will occur through the Slack workspace >>>> Please join >>>> <https://join.slack.com/t/argonnehack2021/shared_invite/zt-nfio2vwz-f0UeYdXVmoRLKUIBgLy_FA >>>> >>>> <https://join.slack.com/t/argonnehack2021/shared_invite/zt-nfio2vwz-f0UeYdXVmoRLKUIBgLy_FA>> >>>> the Slack workspace >>>> >>>> Agenda - All calendar invites are attached >>>> Argonne GPU Hackathon Team and Mentor Meeting: 2:00PM-3:00PM CST – April >>>> 7, 2021 Zoom Link >>>> <https://zoom.us/j/93527581258?pwd=S01GZVAxS3hLVCsvc0wyR2s2MHJEZz09 >>>> <https://zoom.us/j/93527581258?pwd=S01GZVAxS3hLVCsvc0wyR2s2MHJEZz09>> >>>> >>>> Argonne GPU Hackathon Day 1: 9:00AM-5:00PM CST – April 20, 2021 Zoom Link >>>> <https://zoom.us/j/94645872736?pwd=UmtNakprSjB6WmFVUVdoZUMvdDFIUT09 >>>> <https://zoom.us/j/94645872736?pwd=UmtNakprSjB6WmFVUVdoZUMvdDFIUT09>> >>>> >>>> Argonne GPU Hackathon Day 2: 9:00AM-5:00PM CST April 27, 2021 Zoom Link >>>> <https://zoom.us/j/94645872736?pwd=UmtNakprSjB6WmFVUVdoZUMvdDFIUT09 >>>> <https://zoom.us/j/94645872736?pwd=UmtNakprSjB6WmFVUVdoZUMvdDFIUT09>> >>>> >>>> Argonne GPU Hackathon Day 3: 9:00AM-5:00PM CST April 28, 2021 Zoom Link >>>> <https://zoom.us/j/94645872736?pwd=UmtNakprSjB6WmFVUVdoZUMvdDFIUT09 >>>> <https://zoom.us/j/94645872736?pwd=UmtNakprSjB6WmFVUVdoZUMvdDFIUT09>> >>>> >>>> Argonne GPU Hackathon Day 4: 9:00AM-5:30PM CST April 29, 2021 Zoom Link >>>> <https://zoom.us/j/94645872736?pwd=UmtNakprSjB6WmFVUVdoZUMvdDFIUT09 >>>> <https://zoom.us/j/94645872736?pwd=UmtNakprSjB6WmFVUVdoZUMvdDFIUT09>> >>>> >>>> >>>> Please feel free to ask any questions you may have. Thank you all for your >>>> interest and outstanding applications! >>>> >>>> Best regards, >>>> The GPU Hackathon Team
