swc-project/swc - CodSpeed

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Performance History

Latest Results

12-24-perf/read-keyword-with

1 hour ago

Call read_ascii_started_identifier in read_unknown_identifier

12-24-perf/read-keyword-with

1 hour ago

perf(es/parser): Remove `is_first` in lexer state (#11395) **Description:** We can use a dedicate `first_token` to remove the checks in `next_token`, which is triggered in every token bump. At the same time, I also cleaned up and refactor some simple APIs, which is introdced in the previous trait-based implementation with `swc_ecma_lexer`: - prev_hi - had_line_break

main

4 hours ago

inline finish_next_token

12-24-perf/remove-is-first

5 hours ago

finish_next_token

12-24-perf/remove-is-first

6 hours ago

Remove is_first

12-24-perf/remove-is-first

8 hours ago

perf(es/parser): Optimize `do_outside_of_context` and `do_inside_of_context` (#11394)

main

9 hours ago

perf(es/parser): Remove `Iterator` implementation for `Lexer` (#11393) **Description:** Lexer can directly return `Token::Eof` rather than `None` to make thing simpler There could be something wrong with the snapshot because I can still see the `^` when I run the parser example. <img width="1378" height="252" alt="image" src="https://github.com/user-attachments/assets/c1826ebb-38e9-403d-b400-1ef92e83a3d5" />

main

9 hours ago

Active Branches

perf(es/parser): optimize identifier related lexer functions

last run

1 hour ago

0%

feat(es/transformer): Merge `class_properties` pass

last run

1 day ago

-2%

chore: remove unconditioned instrument code

last run

4 days ago

+10%

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