perf/visualizer-and-token-accessors - Branch - oxc-project/oxc-sourcemap

perf(visualizer): fix O(n²) chars().nth scan and reduce allocations

#344Merged

Comparing

perf/visualizer-and-token-accessors

(

6d20ba6

) with

main

(

55ebb8e

)

Untouched: 16

Skipped: 5

Benchmarks

21 total

parse[real_xlarge]

benches/simple.rs::sourcemap::bench

1.3 ms1.3 ms

build_single

benches/simple.rs::sourcemap::bench::builder/SourceMapBuilder

7.1 µs7.1 µs

add_sourcemap_loop

benches/simple.rs::sourcemap::bench::concat

336.8 µs336.8 µs

parse[real_small]

benches/simple.rs::sourcemap::bench

11.6 µs11.6 µs

from_sourcemaps

benches/simple.rs::sourcemap::bench::concat

318.8 µs318.8 µs

lookup_table[real_large]

benches/simple.rs::sourcemap::bench

4.5 µs4.5 µs

serialize[real_small]

benches/simple.rs::sourcemap::bench

4.4 µs4.4 µs

serialize[real_xlarge]

benches/simple.rs::sourcemap::bench

589 µs589 µs

lookup_table[real_medium]

benches/simple.rs::sourcemap::bench

1.5 µs1.5 µs

from_json_string_inline

benches/simple.rs::sourcemap::bench::smoke/SourceMap

14.2 µs14.2 µs

lookup_table[real_small]

benches/simple.rs::sourcemap::bench

1.3 µs1.3 µs

serialize[real_large]

benches/simple.rs::sourcemap::bench

20.6 µs20.6 µs

lookup_table[real_xlarge]

benches/simple.rs::sourcemap::bench

132.2 µs132.2 µs

serialize[real_medium]

benches/simple.rs::sourcemap::bench

5.1 µs5.1 µs

parse[real_large]

benches/simple.rs::sourcemap::bench

46.5 µs46.5 µs

parse[real_medium]

benches/simple.rs::sourcemap::bench

14.5 µs14.5 µs

The benchmarks below were skipped, so their baseline results are used instead. If they were deleted in your codebase, archive them to remove them from the performance reports.
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to_json_string

benches/simple.rs::sourcemap::bench::SourceMap

Skipped

4.8 µs*

from_json_string

benches/simple.rs::sourcemap::bench::SourceMap

Skipped

16.3 µs*

generate_lookup_table

benches/simple.rs::sourcemap::bench::SourceMap

Skipped

1.3 µs*

add_name_add_source_and_content

benches/simple.rs::sourcemap::bench::SourceMapBuilder

Skipped

1.6 µs*

to_json

benches/simple.rs::sourcemap::bench::SourceMap

Skipped

5.6 µs*

Commits

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Base

main

55ebb8e

perf(visualizer): fix O(n²) chars().nth scan and reduce allocations

6d20ba6

22 hours ago

by Boshen

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