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Molecule-man has 24 repositories available. Follow their code on GitHub.
News
Eliminating Go bounds checks with unsafe
Hot path optimization: unsafe pointer arithmetic to eliminate bound checks the Go compiler can
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How 4 bytes of padding make array clearing 49% faster
An alignment quirk on Intel and AMD CPUs: keeping a Go array 8-byte aligned (vs offset 4) makes clearing it up to 49% faster, thanks to how REP STOSQ works.
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Optimization catalog. When float division beats integer division
A counterintuitive hot-path optimization from my Go work: swapping integer division (IDIVQ) for floating-point division (DIVSD) to divide integers faster.
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A regression in code I didn
How a change to one Go function slowed unrelated code by 3%. A deep dive into L1 instruction cache set conflicts, associativity, and code alignment in Go.
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Notes from Optimizing CPU-Bound Go Hot Paths
Lessons from porting Brotli to pure Go. Why generics, interface dispatch, and closures cost performance on hot paths, and what to do instead.
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