facebookresearch

facebookresearch/faiss

Time frame
Merged PRs Jul 6, 2026 – Jul 24, 2026

Velocity

0 PRs

Last 12 weeks · 78 commits · +12,933 / -1,666

Median cycle time

18h

29.8d p90 · — to first approval

Code churn (30d)

4%

0% revert · 8% reedit

Substantive reviews

55%

0% changes requested · 0% rubber-stamped

Complexity-adjusted velocity

125.0

2.1 avg complexity / PR

Maintainability risk

1.3

LLM-assessed, higher means riskier

Reviewer turnaround

—

5 active reviewers

Work distribution
Merged PRs by commit classification.
Feature 13%Bug fix 39%Maintenance 48%

Maintenance breakdown

Tech debt19
DevOps1
Admin1
75merged PRs

Most of the work

Maintenance

Least of the work

Feature

Work-type mix over time
Merged PRs per week by classification.
Review health
Where substantive-review coverage sits, from rubber-stamp territory to rigorous.

55%

0%40%70%100%

0% of PRs got changes requested · 0% were rubber-stamped

Reviewer metrics
Non-bot reviewer load and first-activity turnaround.
ReviewerReviewsAvg turnP90 turnComments
mnorris118——20
mdouze5——14
alibeklfc3——3
aknayar1——1
estebun26-ai1——1