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https://github.com/danbulant/oxc
synced 2026-05-25 04:42:10 +00:00
Include dropping `Semantic` in semantic benchmark measure. If you create a `Semantic`, you have to drop it, so the time it takes to drop is part of the cost of using this API, and we should be working to reduce it. Therefore I think it should be included in the benchmark. It'll be interesting to see what effect a PR like #5232 which removes a bunch of `Vec`s from `Semantic` has on the drop time.
41 lines
1.8 KiB
Rust
41 lines
1.8 KiB
Rust
use std::path::PathBuf;
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use oxc_allocator::Allocator;
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use oxc_benchmark::{black_box, criterion_group, criterion_main, BenchmarkId, Criterion};
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use oxc_parser::Parser;
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use oxc_semantic::SemanticBuilder;
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use oxc_span::SourceType;
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use oxc_tasks_common::TestFiles;
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fn bench_semantic(criterion: &mut Criterion) {
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let mut group = criterion.benchmark_group("semantic");
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for file in TestFiles::complicated().files() {
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let source_type = SourceType::from_path(&file.file_name).unwrap();
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group.bench_with_input(
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BenchmarkId::from_parameter(&file.file_name),
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&file.source_text,
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|b, source_text| {
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let allocator = Allocator::default();
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let ret = Parser::new(&allocator, source_text, source_type).parse();
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let program = allocator.alloc(black_box(ret.program));
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b.iter_with_large_drop(|| {
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// We drop `Semantic` inside this closure as drop time is part of cost of using this API.
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// We return `error`s to be dropped outside of the measured section, as usually
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// code would have no errors. One of our benchmarks `cal.com.tsx` has a lot of errors,
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// but that's atypical, so don't want to include it in benchmark time.
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let ret = SemanticBuilder::new(source_text, source_type)
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.with_trivias(ret.trivias.clone())
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.with_build_jsdoc(true)
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.build_module_record(PathBuf::new(), program)
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.build(program);
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let ret = black_box(ret);
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ret.errors
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});
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},
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);
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}
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group.finish();
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}
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criterion_group!(semantic, bench_semantic);
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criterion_main!(semantic);
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