Don’t stop early: Case-folding source code at memory speed

github.blog · 2026-08-04 · by Long Nguyen ·generic
How a branch-free loop and byte-space arithmetic let GitHub case-fold every byte of code search at >45 GiB/s on a single core.

Don’t stop early: Case-folding source code at memory speed

github.blog · 17 images · 105 links

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