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C-Reduce has a fun concept of "interestingness", the predicate that you are trying to preserve whilst shrinking your program: https://embed.cs.utah.edu/creduce/using/
It's a great term: previously I've used the boring "property under test".
miniblog.
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One interesting technique to reduce the review burden in Home Assistant, a project with a large community: ask PR authors to review other PRs!
Screenshot is from
One nice thing about quadratic algorithms: if you can reduce your N, you get a really nice speedup.
Fascinating deep dive on Twitch deliberately constructing a 10GiB array to reduce the number of GC cycles in Go: https://blog.twitch.tv/en/2019/04/10/go-memory-ballast-how-i-learnt-to-stop-worrying-and-love-the-heap/
(This trick is no longer necessary in the new Go 1.19 apparently, as it's added a GOMEMLIMIT environment variable.)