What does the OMP_NUM_THREADS env variable do and what is a good default value ?
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Description
Should I change the OMP_NUM_THREADS variable from its default value of 1 in order to do multi-gpu training on 1 node ?
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Research direction
Start by determining how OMP_NUM_THREADS relates to the repository's multi-GPU training use case on one node. Document what the variable controls and what default guidance applies; the issue names no files or tests, so completion is a clear explanatory answer rather than a code change.
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Assessment
- Tech stack
- python
- Domain
- distributed-systems, machine-learning
- Issue type
- Documentation
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100