12% speed optimization - #35

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rijnb wants to merge 15 commits into

Commits on May 28, 2026

Fix critical and major code review issues

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updagted version
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docs: design spec for mapcodelib speed optimization

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docs: implementation plan for mapcodelib speed optimization

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chore: pin perf baseline for feat/optimize

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perf: A1 — cache flags per loop iteration in hot paths

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perf: A2 — reorder fitsInsideBoundaries to test longitude first

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revert: A2 — reorder fitsInsideBoundaries (caused regression)

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perf: A3 — length-tracked result assembly in encoderEngine

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perf: A4 — single division per iteration in encodeBase31

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perf: B1+B2+B3 — add precomputed companion tables and one-time init

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perf: B4 — hot loops read from precomputed companion tables

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perf: B5 — DEBUG-build sanity check for companion tables

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docs: record final perf results for feat/optimize branch

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docs: add perf results table to docs/superpowers

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