Benchmark drift on master
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Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 48/100
- Issue type
- Bug
- Clarity
- Mostly clear
- Activity status
- Active
- Tech stack
- cpp
- Domain
- performance
Research direction
Start by checking git log bench/cases as the issue advises, then compare the listed commits and reproduce the Load/dict_ops instruction count before and after the change. Use the charts on the bench-data branch to investigate the increase. Done means identifying and addressing the cause of the more-than-3% drift, with the benchmark showing the improvement.
Written by the indexing model from the issue text.
Description
Counts on master grew by more than 3% between 65f7a31 and d2a4838 (10 recorded merges; latest: Merge pull request #390 from jinja2cpp/claude/project-thread-w7wy7z).
| Benchmark | Metric | Before | Now | Change |
|---|---|---|---|---|
| Load/dict_ops | instructions | 79,389 | 81,867 | +3.12% |
Commits in the window: 6e82ae9, a24f887, 098d156, 29c6c73, cf927ef, b7eacec, b31499d, f081f25, 5a42640, d2a4838.
A benchmark case that was edited in the window also shows here; check git log bench/cases before bisecting. Charts: the bench-data branch.
- Dominant language
- C++
- Stars
- 602
- Forks
- 115
- Avg merge
- 2h 49m
- Merged PRs (30d)
- 378
Getting set up
This project ships no dev container, Dockerfile or contributing guide, so setting up is up to you: start from its README, and see our first-contribution guide for the general steps.
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.
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