llnl / llnl/AMG2023

Extra memory allocation in Setup outside of the memory pool

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Dominant language
C
Stars
9
Forks
18
PR merge metrics
No merged PRs in 30d

Description

  • We see a single extra cuda malloc or 3 extra hip malloc calls in Setup
  • @rfhaque please add the call trees here

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the Setup entry point in the C code and trace its CUDA and HIP allocation calls. Add the requested call trees to the issue, then verify whether the extra allocations occur outside the memory pool and document the observed counts.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
performance
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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