llnl / llnl/scr

IBM BB prestage script

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bb
Dominant language
C
Stars
108
Forks
37
PR merge metrics
No merged PRs in 30d

Description

Look up most recent checkpoint given prefix directory, read rank2file map for that checkpoint, construct BB commands/input files to scatter checkpoint files to nodes, perhaps build and scatter SCR metadata files?, inform SCR library that a checkpoint is in place so it knows to skip fetch when starting up

Contributor guide

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First steps

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  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 reviewing the SCR checkpoint/restart flow and the IBM BB command and input requirements. Done means the script can locate the latest checkpoint, use its rank-to-file map to construct scatter inputs, and ensure SCR recognizes the checkpoint without fetching it.

Written by the indexing model from the issue text.

Assessment

Domain
distributed-systems
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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