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Optimize Lrama parser generation performance - #794

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ydah wants to merge 5 commits into
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ydah:optimize-lrama-performance
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Optimize Lrama parser generation performance#794
ydah wants to merge 5 commits into
ruby:masterfrom
ydah:optimize-lrama-performance

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@ydah

@ydahydah commented Jun 18, 2026

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This PR optimize Lrama parser generation performance.

MetricBeforeAfterImprovement
wall time1.01713s0.68659s32.50%
parse parse.y0.10654s0.03253s69.47%
compute_look_ahead_sets0.35790s0.11970s66.55%
compute_la0.20755s0.01652s92.04%

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ydah marked this pull request as ready for review July 5, 2026 08:48
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@ydah