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We reverse-engineered Flash Attention 4
Asynchrony, fast approximate exponents, and 10x more efficient softmax.
- Points
- 134
- HN comments
- 48
- Submissions
- 1
- Cited by
- 0 commenters
AI & Machine LearningSoftware Engineering2025
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Sep 27, 2025 | We reverse-engineered Flash Attention 4 by birdculture | 134 | 48 |