120 lines
3.9 KiB
Rust
120 lines
3.9 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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use criterion::{black_box, criterion_group, criterion_main, Criterion};
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use litemap::LiteMap;
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const DATA: [(&str, &str); 16] = [
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("ar", "Arabic"),
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("bn", "Bangla"),
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("ccp", "Chakma"),
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("chr", "Cherokee"),
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("el", "Greek"),
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("en", "English"),
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("eo", "Esperanto"),
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("es", "Spanish"),
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("fr", "French"),
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("iu", "Inuktitut"),
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("ja", "Japanese"),
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("ru", "Russian"),
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("sr", "Serbian"),
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("th", "Thai"),
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("tr", "Turkish"),
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("zh", "Chinese"),
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];
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const POSTCARD: [u8; 176] = [
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16, 2, 97, 114, 6, 65, 114, 97, 98, 105, 99, 2, 98, 110, 6, 66, 97, 110, 103, 108, 97, 3, 99,
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99, 112, 6, 67, 104, 97, 107, 109, 97, 3, 99, 104, 114, 8, 67, 104, 101, 114, 111, 107, 101,
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101, 2, 101, 108, 5, 71, 114, 101, 101, 107, 2, 101, 110, 7, 69, 110, 103, 108, 105, 115, 104,
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2, 101, 111, 9, 69, 115, 112, 101, 114, 97, 110, 116, 111, 2, 101, 115, 7, 83, 112, 97, 110,
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105, 115, 104, 2, 102, 114, 6, 70, 114, 101, 110, 99, 104, 2, 105, 117, 9, 73, 110, 117, 107,
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116, 105, 116, 117, 116, 2, 106, 97, 8, 74, 97, 112, 97, 110, 101, 115, 101, 2, 114, 117, 7,
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82, 117, 115, 115, 105, 97, 110, 2, 115, 114, 7, 83, 101, 114, 98, 105, 97, 110, 2, 116, 104,
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4, 84, 104, 97, 105, 2, 116, 114, 7, 84, 117, 114, 107, 105, 115, 104, 2, 122, 104, 7, 67, 104,
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105, 110, 101, 115, 101,
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];
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/// Run this function to print new data to the console.
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#[allow(dead_code)]
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fn generate() {
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let map = build_litemap(false);
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let buf = postcard::to_stdvec(&map).unwrap();
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println!("{buf:?}");
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}
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fn large_litemap_postcard_bytes() -> Vec<u8> {
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postcard::to_stdvec(&build_litemap(true)).unwrap()
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}
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fn overview_bench(c: &mut Criterion) {
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// Uncomment the following line to re-generate the binary data.
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// generate();
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bench_deserialize(c);
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bench_deserialize_large(c);
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bench_lookup(c);
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bench_lookup_large(c);
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#[cfg(feature = "generate")]
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generate_test_data();
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}
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fn build_litemap(large: bool) -> LiteMap<String, String> {
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let mut map: LiteMap<String, String> = LiteMap::new();
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for (key, value) in DATA.into_iter() {
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if large {
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for n in 0..8192 {
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map.insert(format!("{key}{n}"), value.to_owned());
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}
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} else {
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map.insert(key.to_owned(), value.to_owned());
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}
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}
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map
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}
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fn bench_deserialize(c: &mut Criterion) {
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c.bench_function("litemap/deserialize/small", |b| {
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b.iter(|| {
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let map: LiteMap<String, String> = postcard::from_bytes(black_box(&POSTCARD)).unwrap();
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assert_eq!(map.get("iu"), Some(&"Inuktitut".to_owned()));
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})
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});
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}
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fn bench_deserialize_large(c: &mut Criterion) {
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let buf = large_litemap_postcard_bytes();
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c.bench_function("litemap/deseralize/large", |b| {
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b.iter(|| {
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let map: LiteMap<String, String> = postcard::from_bytes(black_box(&buf)).unwrap();
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assert_eq!(map.get("iu3333"), Some(&"Inuktitut".to_owned()));
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});
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});
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}
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fn bench_lookup(c: &mut Criterion) {
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let map: LiteMap<String, String> = postcard::from_bytes(&POSTCARD).unwrap();
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c.bench_function("litemap/lookup/small", |b| {
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b.iter(|| {
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assert_eq!(map.get(black_box("iu")), Some(&"Inuktitut".to_owned()));
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assert_eq!(map.get(black_box("zz")), None);
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});
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});
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}
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fn bench_lookup_large(c: &mut Criterion) {
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let buf = large_litemap_postcard_bytes();
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let map: LiteMap<String, String> = postcard::from_bytes(&buf).unwrap();
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c.bench_function("litemap/lookup/large", |b| {
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b.iter(|| {
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assert_eq!(map.get(black_box("iu3333")), Some(&"Inuktitut".to_owned()));
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assert_eq!(map.get(black_box("zz")), None);
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});
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});
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}
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criterion_group!(benches, overview_bench);
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criterion_main!(benches);
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