Skip to content

Optimize Lrama parser generation performance#794

Open
ydah wants to merge 5 commits into
ruby:masterfrom
ydah:optimize-lrama-performance
Open

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

Conversation

@ydah

@ydah ydah commented Jun 18, 2026

Copy link
Copy Markdown
Member

This PR optimize Lrama parser generation performance.

Metric Before After Improvement
wall time 1.01713s 0.68659s 32.50%
parse parse.y 0.10654s 0.03253s 69.47%
compute_look_ahead_sets 0.35790s 0.11970s 66.55%
compute_la 0.20755s 0.01652s 92.04%

@ydah ydah marked this pull request as ready for review July 5, 2026 08:48
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

None yet

Projects

None yet

Development

Successfully merging this pull request may close these issues.

1 participant