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Don't pass structs bigger than 16 bytes on AMD64(gist.github.com)
340 points by todsacerdoti | 114 comments
A GitHub Gist write-up explaining how avoiding passing structs larger than 16 bytes on AMD64 sped up the Neat compiler by about 2x.
Dirty Optimization Secrets (C for Playdate)(devforum.play.date)
66 points by ibobev | 7 comments
Playdate developer forum thread sharing advanced C optimization tricks learned while building a full-speed Game Boy emulator for the Playdate.
Make Ubuntu packages 90% faster by rebuilding them(gist.github.com)
513 points by jeffbee | 323 comments
A GitHub Gist explaining how rebuilding Ubuntu's jq package from the same source with different build options yields about 90% better performance.
