precice / precice/micro-manager

Handle cases where some ranks do not have any micro simulations

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bug
Dominant language
Python
Stars
24
Forks
19
Avg merge
1h 46m
Merged PRs (30d)
2

Description

Currently the manager requires that every rank must at least one micro simulation. However, this may not be the case for bigger simulations. The manager should be able properly handle empty ranks. Partial support for handling empty ranks was introduced before, but the new adaptivity functionality has removed the support again.

Contributor guide

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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 tracing the manager's adaptivity path and locating the earlier handling for ranks without micro simulations. Verify how empty ranks are represented and processed; done means larger simulations can run when some ranks have no micro simulations.

Written by the indexing model from the issue text.

Assessment

Tech stack
hpc, python
Domain
distributed-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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