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by convolvatron 17 days ago
I certainly see that the OS interface is limit to language innovation in that it assumes a lot the things I mentioned, and these tend to get shoehorned in and turn into a series layer violations to poke through all the needed flags and controls.

we definitely gain a lot of acceleration from having a common substrate, but it acts a constraint.

virtual machines are really a good out, whether that's a hardware isolation layer, or just a software abstraction. I think the view that the hypervisors present (simple virtio style devices) are maybe a better canonical OS interface than the sprawling syscall+library model.

but sure, unless I wanted to develop a language and runtime that _really_ looked different, I would try to paper over posix to the degree possible.