CUDA-Q MPI Submodule yields incorrect results - the `finalize` command does not work
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stale-notified
- Dominant language
- C++
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Description
Required prerequisites
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Describe the bug
import cudaq
print('should yield false', cudaq.mpi.is_initialized())
cudaq.mpi.initialize()
print('should yield true', cudaq.mpi.is_initialized())
cudaq.mpi.finalize()
print('should yield false', cudaq.mpi.is_initialized())
should yield false False
should yield true True
should yield false True
Steps to reproduce the bug
NA
Expected behavior
NA
Is this a regression? If it is, put the last known working version (or commit) here.
Not a regression
Environment
NA
Suggestions
No response
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
Start by reproducing the provided Python snippet through the cudaq.mpi.initialize(), is_initialized(), and finalize() entry points. Compare the observed state after finalize() with the expected false result, then add coverage for the MPI lifecycle behavior and verify that the test passes.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp, 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