precice / precice/micro-manager
Running in serial with given decomposition leads to confusing message
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- Python
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Description
Version 0.9.0
Using decomposition: [2,2] and running without mpi results in:
(0) 04/21/2026 03:22:37 PM - micro_manager.micro_manager - INFO - Axis-wise domain decomposition: [2, 2]
(0) 04/21/2026 03:22:37 PM - micro_manager.micro_manager - INFO - Domain decomposition is not specified, so the Micro Manager will expect to be run in serial.
The latter message is misleading.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Search the codebase for the logged message "Domain decomposition is not specified" and inspect the surrounding handling of the [2, 2] decomposition when running without MPI. Reproduce the serial run from the issue, then update the message so it accurately describes the configured decomposition and verify that the misleading wording no longer appears.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- tooling
- Issue type
- Bug
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 68/100