91 lines
3 KiB
Rust
91 lines
3 KiB
Rust
// This file is part of ICU4X. For terms of use, please see the file
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// called LICENSE at the top level of the ICU4X source tree
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// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
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mod common;
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use common::*;
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use criterion::black_box;
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use criterion::criterion_group;
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use criterion::criterion_main;
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use criterion::Criterion;
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use tinystr::TinyAsciiStr;
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fn overview(c: &mut Criterion) {
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let mut g = c.benchmark_group("overview");
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g.bench_function("construct/TinyAsciiStr", |b| {
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b.iter(|| {
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for s in STRINGS_4 {
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let _: TinyAsciiStr<4> = black_box(s).parse().unwrap();
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let _: TinyAsciiStr<8> = black_box(s).parse().unwrap();
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let _: TinyAsciiStr<16> = black_box(s).parse().unwrap();
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}
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for s in STRINGS_8 {
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let _: TinyAsciiStr<8> = black_box(s).parse().unwrap();
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let _: TinyAsciiStr<16> = black_box(s).parse().unwrap();
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}
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for s in STRINGS_16 {
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let _: TinyAsciiStr<16> = black_box(s).parse().unwrap();
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}
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});
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});
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let parsed_ascii_4: Vec<TinyAsciiStr<4>> = STRINGS_4
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.iter()
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.map(|s| s.parse::<TinyAsciiStr<4>>().unwrap())
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.collect();
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let parsed_ascii_8: Vec<TinyAsciiStr<8>> = STRINGS_4
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.iter()
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.chain(STRINGS_8)
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.map(|s| s.parse::<TinyAsciiStr<8>>().unwrap())
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.collect();
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let parsed_ascii_16: Vec<TinyAsciiStr<16>> = STRINGS_4
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.iter()
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.chain(STRINGS_8)
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.chain(STRINGS_16)
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.map(|s| s.parse::<TinyAsciiStr<16>>().unwrap())
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.collect();
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g.bench_function("read/TinyAsciiStr", |b| {
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b.iter(|| {
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let mut collector: usize = 0;
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for t in black_box(&parsed_ascii_4) {
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let s: &str = t;
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collector += s.bytes().map(usize::from).sum::<usize>();
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}
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for t in black_box(&parsed_ascii_8) {
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let s: &str = t;
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collector += s.bytes().map(usize::from).sum::<usize>();
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}
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for t in black_box(&parsed_ascii_16) {
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let s: &str = t;
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collector += s.bytes().map(usize::from).sum::<usize>();
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}
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collector
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});
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});
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g.bench_function("compare/TinyAsciiStr", |b| {
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b.iter(|| {
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let mut collector: usize = 0;
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for ts in black_box(&parsed_ascii_4).windows(2) {
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let o = ts[0].cmp(&ts[1]);
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collector ^= o as usize;
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}
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for ts in black_box(&parsed_ascii_8).windows(2) {
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let o = ts[0].cmp(&ts[1]);
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collector ^= o as usize;
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}
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for ts in black_box(&parsed_ascii_16).windows(2) {
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let o = ts[0].cmp(&ts[1]);
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collector ^= o as usize;
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}
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collector
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});
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});
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}
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criterion_group!(benches, overview,);
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criterion_main!(benches);
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