<chrono>: Reduce `put_time` calls in `[time.format]`
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chrono
performance
- Dominant language
- C++
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Description
Observed by @statementreply
The current [time.format] implementation calls put_time once for each formatting field - we should investigate improving performance here (perhaps by leveraging internal machinery).
Discovered while implementing #12.
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
Begin with the [time.format] implementation and its per-field put_time call sites; read the linked pull request discussion and issue #12 for context. Determine how the current behavior is measured and define completion as reducing redundant calls while preserving formatting behavior.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- performance
- Issue type
- Refactor
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100