Box2D Blog company blog
SIMD for Collision
In a previous post SIMD Matters I discussed the big wins I got from graph coloring to make the contact solver faster. That same approach exists in Box3D. I like to call this approach “wide SIMD”. The idea is to process multiple work units at the same time. In the contact solver this means solving four contact points…
- Points
- 135
- HN comments
- 45
- Submissions
- 1
- Cited by
- 0 commenters
Systems & PerformanceSoftware Engineering2026
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Jul 22, 2026 | SIMD for Collision by birdculture | 135 | 45 |
