Re:Roll your own JavaScript runtime, pt. 3
by slmjkdbtl on Thursday May 04, 2023 @08:09PM
(#35823807)
Creating a new lua context is pretty cheap, but I don't know how it compares to Deno / v8. It should be much lighter weight, but not sure if Deno / v8 does some special thing to speed up the use case you talked about.
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The submission itself talks about creating & loading snapshots, which is sort of a Checkpoint Restore In Userspace (CRIU), allowing one to create a new context with a lot of existing libraries already loaded very very quickly.