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by pknopf 2607 days ago
WSL2 now uses VM technology, so the performance is now a lot better.
2 comments
scruple 2607 days ago
Wow, that's a welcomed change for me. I was trying every 3-4 months to get WSL working as a suitable development environment. There was always _something_. Excited to try this out again when I have a free day on a weekend.
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panpanna 2606 days ago
WSL performance problems were mostly due to slow I/O.

How does virtualization fix that?

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pknopf 2606 days ago
Translating syscalls to the NT kernel is slower than running Linux with a virtual filesystem.
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panpanna 2606 days ago
But in the end, the virtual filesystem is backed up by done Windows storage?
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pknopf 2606 days ago
Idk, but Microsoft cites these differences for the performance improvement.

Maybe things can be speed up/cached when you are one-to-mapping the syscalls to NT kernel.

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