8000 Merge pull request #21 from epage/bench · unicode-rs/unicode-xid@9ac97bd · GitHub
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ManishearthManishearth
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Merge pull request #21 from epage/bench
Add basic benchmark
2 parents 3786a0b + 5db1f9e commit 9ac97bd

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‎Cargo.toml

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@@ -26,3 +26,10 @@ travis-ci = { repository = "unicode-rs/unicode-xid" }
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default = []
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no_std = []
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bench = []
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[dev-dependencies]
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criterion = "0.3"
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[[bench]]
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name = "xid"
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harness = false

‎benches/xid.rs

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extern crate criterion;
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extern crate unicode_xid;
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use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion, Throughput};
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use unicode_xid::UnicodeXID;
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fn bench_unicode_xid(c: &mut Criterion) {
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let unicode_chars = chars(1..0x3000);
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let ascii_chars = chars(1..0x80);
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let mut group = c.benchmark_group("UnicodeXID");
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group.throughput(Throughput::Bytes(unicode_chars.len() as u64));
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group.bench_with_input(
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BenchmarkId::new("is_xid_start", "unicode"),
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&unicode_chars,
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|b, chars| b.iter(|| chars.iter().copied().map(UnicodeXID::is_xid_start).last()),
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);
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group.throughput(Throughput::Bytes(ascii_chars.len() as u64));
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group.bench_with_input(
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BenchmarkId::new("is_xid_start", "ascii"),
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&ascii_chars,
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|b, chars| b.iter(|| chars.iter().copied().map(UnicodeXID::is_xid_start).last()),
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);
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group.throughput(Throughput::Bytes(unicode_chars.len() as u64));
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group.bench_with_input(
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BenchmarkId::new("is_xid_continue", "unicode"),
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&unicode_chars,
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|b, chars| {
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b.iter(|| {
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chars
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.iter()
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.copied()
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.map(UnicodeXID::is_xid_continue)
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.last()
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})
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},
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);
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group.throughput(Throughput::Bytes(ascii_chars.len() as u64));
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group.bench_with_input(
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BenchmarkId::new("is_xid_continue", "ascii"),
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&ascii_chars,
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|b, chars| {
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b.iter(|| {
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chars
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.iter()
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.copied()
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.map(UnicodeXID::is_xid_continue)
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.last()
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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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fn chars(range: std::ops::Range<u32>) -> Vec<char> {
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range.filter_map(|i| std::char::from_u32(i)).collect()
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}
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criterion_group!(benches, bench_unicode_xid);
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criterion_main!(benches);

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