On Mar 12, 2021, at 5:25 PM, Barry Smith 
<[email protected]<mailto:[email protected]>> wrote:


  Jed,

     Thanks for the insight.

     Maybe Hong and his Ellpack format?   Or his independent set algorithm?

These two features are currently functional on NVIDIA GPUs. Neither needs 
extensive development or refactorization, thus not suitable for this Argonne 
GPU Hackathon. But we do need reviewers to look at the two MRs and move forward.

It is also worth mentioning that the CUDA-based maximal independent set 
algorithm was developed during last GPU Hackathon at ORNL. Richard, Junchao and 
I attended that one. It was a great experience. The commitment is extremely 
intensive for both the mentors and the attendees.

Thanks,
Hong


     Maybe Stefano and his COO matrix assembly on GPUs?

     Others?

Barry


On Mar 12, 2021, at 4:37 PM, Jed Brown 
<[email protected]<mailto:[email protected]>> 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 <[email protected]<mailto:[email protected]>> 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 <[email protected]<mailto:[email protected]>>
Subject: Argonne GPU Virtual Hackathon - Accepted
Date: March 11, 2021 at 5:09:02 PM CST
To: "[email protected]<mailto:[email protected]>" 
<[email protected]<mailto:[email protected]>>, 
"[email protected]<mailto:[email protected]>" 
<[email protected]<mailto:[email protected]>>, 
"[email protected]<mailto:[email protected]>" 
<[email protected]<mailto:[email protected]>>
Cc: "Ghadar, Yasaman" <[email protected]<mailto:[email protected]>>, Julia Levites 
<[email protected]<mailto:[email protected]>>
Message-Id: 
<mw3pr12mb4588bf988609b8f7a49f6a21b3...@mw3pr12mb4588.namprd12.prod.outlook.com<mailto: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> 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/> 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> your 
account.
Specify the following in the account request/reactivation form:
Project Name:  gpu_hack
Principal Investigator (PI):  Yasaman Ghadar

Contact [email protected]<mailto:[email protected]> 
<mailto:[email protected]> 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>
Review the technical resources website 
<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>
 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>

Argonne GPU Hackathon Day 1: 9:00AM-5:00PM CST – April 20, 2021 Zoom Link 
<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>

Argonne GPU Hackathon Day 3: 9:00AM-5:00PM CST April 28, 2021 Zoom Link 
<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>


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


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