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[[ppl-accel] ] TMS - New Log in Task Meeting Minutes


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  • From: TMS <tms AT charm.cs.illinois.edu>
  • To: ppl-accel AT cs.illinois.edu
  • Subject: [[ppl-accel] ] TMS - New Log in Task Meeting Minutes
  • Date: Fri, 28 Jun 2019 17:22:33 -0500
  • Authentication-results: illinois.edu; spf=none smtp.mailfrom=tms AT charm.cs.illinois.edu; dmarc=none header.from=charm.cs.illinois.edu

Michael Robson has added a new log to Task Meeting Minutes

Log Entry:

Accel Meeting

4:30 - 5:15
In Attendance: Juan, Ronak, Michael, Juan, Sanjay

Agenda

Prelim Outline
Timeline/Schedule

Tomorrow

  • talk on Skype
  • or meet late morning

Discussion

  • Pavan has ECP project - use there?

Agenda

  • what Pavan wants - MPI blocking calls block streams (but not others)
  • idea: add streams to MPI calls
  • MPI + OMP like behavior - multiple recvs in diff threads

Idea

  • stream as an endpoint, like AMPI
    • e.g. spawn AMPI rank per GPU (in addition to any CPU)

Opportunity

  • do what we can for our GPU runtime
  • how to comm data in gpu device
  • how to make streams wait for events such as recv

TODO

  • Create our own direction
  • Telecon w/ Pavan - in 1.5 weeks or so
  • Research-y idea - lots of streams (like splitting stencil)
  • Exp mesasure interfence on CPU side by NVIDIA
    • busy wait style calc - send messages to self
    • single CPU that launches kernels
    • view perf impact
  • Next week - brainstorm project
  • Review Nikolai's thesis
  • Test out library (Juan)
  • small app/benchmark - MPI based

View task




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