Avatar for the oxc-project user
oxc-project
oxc-sourcemap
BlogDocsChangelog

perf(decode): inline VLQ segment parser and skip capacity pre-pass

#330
Comparing
perf/decode-inline-vlq
(
a901059
) with
main
(
9323530
)
CodSpeed Performance Gauge
+3%
Improvement
6
Regression
1
Untouched
9
Skipped
5

Benchmarks

21 total
parse[real_small]
benches/simple.rs::sourcemap::bench
CodSpeed Performance Gauge
-4%
13.2 µs13.7 µs
parse[real_xlarge]
benches/simple.rs::sourcemap::bench
CodSpeed Performance Gauge
+9%
1.7 ms1.5 ms
lookup_table[real_medium]
benches/simple.rs::sourcemap::bench
CodSpeed Performance Gauge
+6%
1.5 µs1.4 µs
parse[real_large]
benches/simple.rs::sourcemap::bench
CodSpeed Performance Gauge
+5%
54.7 µs52.3 µs
parse[real_medium]
benches/simple.rs::sourcemap::bench
CodSpeed Performance Gauge
+2%
16.5 µs16.2 µs
lookup_table[real_large]
benches/simple.rs::sourcemap::bench
CodSpeed Performance Gauge
+1%
4.5 µs4.5 µs
serialize[real_medium]
benches/simple.rs::sourcemap::bench
CodSpeed Performance Gauge
+1%
4.9 µs4.9 µs
serialize[real_small]
benches/simple.rs::sourcemap::bench
CodSpeed Performance Gauge
+1%
4.3 µs4.3 µs
serialize[real_xlarge]
benches/simple.rs::sourcemap::bench
CodSpeed Performance Gauge
0%
593.4 µs593 µs
add_sourcemap_loop
benches/simple.rs::sourcemap::bench::concat
CodSpeed Performance Gauge
0%
363 µs362.8 µs
from_sourcemaps
benches/simple.rs::sourcemap::bench::concat
CodSpeed Performance Gauge
0%
344.3 µs344.2 µs
lookup_table[real_xlarge]
benches/simple.rs::sourcemap::bench
CodSpeed Performance Gauge
0%
132.6 µs132.5 µs
lookup_table[real_small]
benches/simple.rs::sourcemap::bench
CodSpeed Performance Gauge
0%
1.4 µs1.4 µs
serialize[real_large]
benches/simple.rs::sourcemap::bench
CodSpeed Performance Gauge
0%
20.3 µs20.3 µs
from_json_string_inline
benches/simple.rs::sourcemap::bench::smoke/SourceMap
CodSpeed Performance Gauge
0%
15.8 µs15.9 µs
build_single
benches/simple.rs::sourcemap::bench::builder/SourceMapBuilder
CodSpeed Performance Gauge
-1%
7.1 µs7.1 µs
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

Click on a commit to change the comparison range
Base
main
9323530
+2.83%
perf(decode): inline VLQ segment parser and skip capacity pre-pass
a901059
2 hours ago
by Boshen
© 2026 CodSpeed Technology
Home Terms Privacy Docs