Ruff shaves 8 more bytes off Expression enum, cutting retained memory by >1%
charliermarsh · x · 2026-09-11
Ruff author charliermarsh squeezed another 8 bytes out of Ruff's Expression enum (64 → 56), reducing retained memory by more than 1% — "they said it couldn't be done," he joked, continuing his extreme Rust memory-layout optimization.
Related event: Ruff Author Shrinks Expression Enum to 56 Bytes, Saving 1% Memory(2 posts)→
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