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Nov 17, 2015 at 19:32
Reduce Your Testcases with Bugpoint and Custom Scripts https://blog.llvm.org/2015/11/reduce-your-testcases-with-bugpoint-and.html (incredible tool for automatically reducing LLVMIR testcases)
Reduce Your Testcases with Bugpoint and Custom Scripts
LLVM provides many useful command line tools to handle bitcode: opt is the most widely known and is used to run individual passes on an IR module, and llc invokes the backend to generate an assembly or object file from an IR module.

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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.)