Modal built its own file system, CPU and GPU snapshotting, autoscaler, scheduler, and capacity-management tools for newer AI workloads.

“So, so we felt that, you know, we, we had to rebuild a lot of that, you know, building our own, I, I mentioned the file system, but we also spent a lot of time over the last few years like building, you know, some really cool stuff around like CPU snapshotting, GPU snapshotting, and auto-- we built our own auto-scaler and scheduler and, and, and, and all kinds of capacity management tools.”