Dao-AILab /flash-attention
Fast and memory-efficient exact attention
- Stars
- 25,239 stars
- Forks
- 3,201 forks
- Language
- Python
- License
- BSD-3-CLAUSE
- Created
- May 19, 2022
- Last push
- Nov 2, 2026
- Updated
- Nov 2, 2026
In the Repository Index from the Seed Dataset since Oct 22, 2026.
Star History
192 days recorded, Apr 26, 2026 – Nov 3, 2026 (UTC). Net change +1,894 stars.
The star count of each day is the latest count less the net stars of the later days.
Add this Star History to a README
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Star History chart
[](https://awesomerepos.com/Dao-AILab/flash-attention)Badge
[](https://awesomerepos.com/Dao-AILab/flash-attention)Timeline
This repository got 26 stars on Sep 17, 2026, its largest day since Apr 26, 2026.
It gained stars on 190 of the 192 days with a record.
Its largest 7 days were May 24, 2026 to May 30, 2026: 122 stars.
In the 30 days to Nov 3, 2026 it got 179 stars, 35% fewer than in the 30 days before.
It reached 25,000 stars on Sep 29, 2026, 1,594 days after it was created.
- Created on the Repository Host
- +24 stars in one day
- +25 stars in one day
- Largest star day recorded: +26 stars
- Reached 25,000 stars
- Entered the Repository Index from the Seed Dataset
- Latest push
From the Repository Host's creation date and releases, the Admission, the Star History, and the Observations. Star milestones show only when the Star History records the day. On the chart of net stars each day, a solid line marks a release.
Forks and pushes
From 13 Observations, Oct 22, 2026 – Nov 3, 2026. Forks +17. A new push was seen on 11 of 12 days.
- Oct 23, 2026: new push
- Oct 24, 2026: new push
- Oct 25, 2026: new push
- Oct 26, 2026: no new push
- Oct 27, 2026: new push
- Oct 28, 2026: new push
- Oct 29, 2026: new push
- Oct 30, 2026: new push
- Oct 31, 2026: new push
- Nov 1, 2026: new push
- Nov 2, 2026: new push
- Nov 3, 2026: new push
A filled day: the last push time changed since the Observation before it.
Health facts
Measured facts in four separate dimensions, each with a date and a source. AwesomeRepos does not add them into one score. AwesomeRepos reads the weekly commits, the changelog, and the community files each week for the 5,000 visible repositories with the most stars and for each rising repository. How each check is defined
Maintenance
2 of 4 checks (2 without data)Yes: Not archived
GitHub does not mark the repository as archived. Source
Yes: A push in the last 90 days
Last push on 2026-11-02, 0 days ago. Source
No data: Commits in the last 13 weeks
No data: AwesomeRepos has not read the weekly commits.
No data: Commits in 26 or more of the last 52 weeks
No data: AwesomeRepos has not read the weekly commits.
Releases
0 of 3 checks (3 without data)No data: A release in the last 365 days
No data: AwesomeRepos has not read the releases.
No data: The newest release tag is a semantic version
No data: no release.
No data: A changelog file at the root
No data: AwesomeRepos has not scanned this repository.
Security practice
0 of 1 check (1 without data)No data: A security policy
No data: AwesomeRepos has not scanned this repository.
AwesomeRepos has not asked OpenSSF Scorecard about this repository.
Community files
1 of 3 checks (2 without data)Yes: A licence
GitHub finds the licence BSD-3-CLAUSE. Source
No data: A contributing guide
No data: AwesomeRepos has not scanned this repository.
No data: A code of conduct
No data: AwesomeRepos has not scanned this repository.
Dependencies in the index
AwesomeRepos has not scanned the dependency graph of this repository. The scan reads the 2,000 visible repositories with the most stars.
2 scanned repositories name a package from this repository.
Uses (in the index) 0
No data.
Used by (in the index) 2
PyPI: flash-attn, flash-attn-4
PyPI: flash-attn
Sources: the GitHub dependency graph of each repository, and deps.dev for the source repository of each package. A dependency graph also names development packages. deps.dev takes most source repositories from package metadata. How the dependency graph is made
Observations
What the Repository Host reported each day.
| Day (UTC) | Stars | Forks | Last push | Archived |
|---|---|---|---|---|
| Nov 3, 2026 | 25,239 | 3,201 | Nov 2, 2026 | No |
| Nov 2, 2026 | 25,235 | 3,200 | Nov 1, 2026 | No |
| Nov 1, 2026 | 25,233 | 3,199 | Oct 31, 2026 | No |
| Oct 31, 2026 | 25,226 | 3,198 | Oct 31, 2026 | No |
| Oct 30, 2026 | 25,223 | 3,195 | Oct 29, 2026 | No |
| Oct 29, 2026 | 25,217 | 3,193 | Oct 28, 2026 | No |
| Oct 28, 2026 | 25,219 | 3,190 | Oct 27, 2026 | No |
| Oct 27, 2026 | 25,219 | 3,192 | Oct 26, 2026 | No |
| Oct 26, 2026 | 25,216 | 3,190 | Oct 24, 2026 | No |
| Oct 25, 2026 | 25,208 | 3,186 | Oct 24, 2026 | No |
| Oct 24, 2026 | 25,203 | 3,184 | Oct 23, 2026 | No |
| Oct 23, 2026 | 25,193 | 3,183 | Oct 23, 2026 | No |
| Oct 22, 2026 | 25,192 | 3,184 | Oct 22, 2026 | No |