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![cognition_labs Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::1751810001751183361.png) Cognition [@cognition_labs](/creator/twitter/cognition_labs) on x 144.5K followers
Created: 2025-06-23 18:23:58 UTC

We needed instant VM snapshots for Devin but EC2 took 30+ minutes. So, @silasalberti built blockdiff—a new file format that makes snapshots 200x faster.

Today, we’re open-sourcing blockdiff & sharing how it works 🔗👇

![](https://pbs.twimg.com/media/GuJerAVbkAAaw_W.jpg)

XXXXXXX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1937215068321775943/c:line.svg)

**Related Topics**
[faster](/topic/faster)
[devin](/topic/devin)

[Post Link](https://x.com/cognition_labs/status/1937215068321775943)