ChipsHacker Noonabout 2 hours ago
Go 1.24 Switches Maps to Swiss Table Design
13 min read
Go 1.24 replaces its map engine with a Swiss Table-inspired design, eliminating pointer-chasing and improving cache locality. The redesign uses control-byte metadata and h2 filtering to reduce memory overhead and boost lookup speed. Benchmarks show large microbench wins but smaller full-application gains, with trade-offs in cold-cache and delete-heavy paths.
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