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10 changes: 10 additions & 0 deletions.github/workflows/rust.yml
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1 change: 1 addition & 0 deletions.gitignore
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -3,3 +3,4 @@ Cargo.lock | ||
| scripts/tmp | ||
| scripts/*.txt | ||
| scripts/*.rs | ||
| bench_data/* | ||
9 changes: 6 additions & 3 deletionsCargo.toml
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106 changes: 106 additions & 0 deletionsbenches/benches.rs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| // Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT | ||
| // file at the top-level directory of this distribution and at | ||
| // http://rust-lang.org/COPYRIGHT. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
| // option. This file may not be copied, modified, or distributed | ||
| // except according to those terms. | ||
| #![feature(test)] | ||
| extern crate test; | ||
| use std::iter; | ||
| use test::Bencher; | ||
| use unicode_width::{UnicodeWidthChar, UnicodeWidthStr}; | ||
| #[bench] | ||
| fn cargo(b: &mut Bencher) { | ||
| let string = iter::repeat('a').take(4096).collect::<String>(); | ||
| b.iter(|| { | ||
| for c in string.chars() { | ||
| test::black_box(UnicodeWidthChar::width(c)); | ||
| } | ||
| }); | ||
| } | ||
| #[bench] | ||
| #[allow(deprecated)] | ||
| fn stdlib(b: &mut Bencher) { | ||
| let string = iter::repeat('a').take(4096).collect::<String>(); | ||
| b.iter(|| { | ||
| for c in string.chars() { | ||
| test::black_box(c.width()); | ||
| } | ||
| }); | ||
| } | ||
| #[bench] | ||
| fn simple_if(b: &mut Bencher) { | ||
| let string = iter::repeat('a').take(4096).collect::<String>(); | ||
| b.iter(|| { | ||
| for c in string.chars() { | ||
| test::black_box(simple_width_if(c)); | ||
| } | ||
| }); | ||
| } | ||
| #[bench] | ||
| fn simple_match(b: &mut Bencher) { | ||
| let string = iter::repeat('a').take(4096).collect::<String>(); | ||
| b.iter(|| { | ||
| for c in string.chars() { | ||
| test::black_box(simple_width_match(c)); | ||
| } | ||
| }); | ||
| } | ||
| #[inline] | ||
| fn simple_width_if(c: char) -> Option<usize> { | ||
| let cu = c as u32; | ||
| if cu < 127 { | ||
| if cu > 31 { | ||
| Some(1) | ||
| } else if cu == 0 { | ||
| Some(0) | ||
| } else { | ||
| None | ||
| } | ||
| } else { | ||
| UnicodeWidthChar::width(c) | ||
| } | ||
| } | ||
| #[inline] | ||
| fn simple_width_match(c: char) -> Option<usize> { | ||
| match c as u32 { | ||
| cu if cu == 0 => Some(0), | ||
| cu if cu < 0x20 => None, | ||
| cu if cu < 0x7f => Some(1), | ||
| _ => UnicodeWidthChar::width(c), | ||
| } | ||
| } | ||
| #[bench] | ||
| fn enwik8(b: &mut Bencher) { | ||
| // To benchmark, download & unzip `enwik8` from https://data.deepai.org/enwik8.zip | ||
| let data_path = "bench_data/enwik8"; | ||
| let string = std::fs::read_to_string(data_path).unwrap_or_default(); | ||
| b.iter(|| test::black_box(UnicodeWidthStr::width(string.as_str()))); | ||
| } | ||
| #[bench] | ||
| fn jawiki(b: &mut Bencher) { | ||
| // To benchmark, download & extract `jawiki-20220501-pages-articles-multistream-index.txt` from | ||
| // https://dumps.wikimedia.org/jawiki/20220501/jawiki-20220501-pages-articles-multistream-index.txt.bz2 | ||
| let data_path = "bench_data/jawiki-20220501-pages-articles-multistream-index.txt"; | ||
| let string = std::fs::read_to_string(data_path).unwrap_or_default(); | ||
| b.iter(|| test::black_box(UnicodeWidthStr::width(string.as_str()))); | ||
| } |
11 changes: 0 additions & 11 deletionssrc/lib.rs
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