diff options
Diffstat (limited to 'vendor/ahash-0.7.6/tests')
| -rw-r--r-- | vendor/ahash-0.7.6/tests/bench.rs | 154 | ||||
| -rw-r--r-- | vendor/ahash-0.7.6/tests/map_tests.rs | 203 | ||||
| -rw-r--r-- | vendor/ahash-0.7.6/tests/nopanic.rs | 72 |
3 files changed, 429 insertions, 0 deletions
diff --git a/vendor/ahash-0.7.6/tests/bench.rs b/vendor/ahash-0.7.6/tests/bench.rs new file mode 100644 index 000000000..9e6dccc48 --- /dev/null +++ b/vendor/ahash-0.7.6/tests/bench.rs @@ -0,0 +1,154 @@ +use ahash::{CallHasher, RandomState}; +use criterion::*; +use fxhash::FxHasher; +use std::collections::hash_map::DefaultHasher; +use std::hash::{Hash, Hasher}; + +#[cfg(any( + all(any(target_arch = "x86", target_arch = "x86_64"), target_feature = "aes", not(miri)), + all(any(target_arch = "arm", target_arch = "aarch64"), target_feature = "crypto", not(miri), feature = "stdsimd") +))] +fn aeshash<H: Hash>(b: &H) -> u64 { + let build_hasher = RandomState::with_seeds(1, 2, 3, 4); + H::get_hash(b, &build_hasher) +} +#[cfg(not(any( + all(any(target_arch = "x86", target_arch = "x86_64"), target_feature = "aes", not(miri)), + all(any(target_arch = "arm", target_arch = "aarch64"), target_feature = "crypto", not(miri), feature = "stdsimd") +)))] +fn aeshash<H: Hash>(_b: &H) -> u64 { + panic!("aes must be enabled") +} + +#[cfg(not(any( + all(any(target_arch = "x86", target_arch = "x86_64"), target_feature = "aes", not(miri)), + all(any(target_arch = "arm", target_arch = "aarch64"), target_feature = "crypto", not(miri), feature = "stdsimd") +)))] +fn fallbackhash<H: Hash>(b: &H) -> u64 { + let build_hasher = RandomState::with_seeds(1, 2, 3, 4); + H::get_hash(b, &build_hasher) +} +#[cfg(any( + all(any(target_arch = "x86", target_arch = "x86_64"), target_feature = "aes", not(miri)), + all(any(target_arch = "arm", target_arch = "aarch64"), target_feature = "crypto", not(miri), feature = "stdsimd") +))] +fn fallbackhash<H: Hash>(_b: &H) -> u64 { + panic!("aes must be disabled") +} + +fn fnvhash<H: Hash>(b: &H) -> u64 { + let mut hasher = fnv::FnvHasher::default(); + b.hash(&mut hasher); + hasher.finish() +} + +fn siphash<H: Hash>(b: &H) -> u64 { + let mut hasher = DefaultHasher::default(); + b.hash(&mut hasher); + hasher.finish() +} + +fn fxhash<H: Hash>(b: &H) -> u64 { + let mut hasher = FxHasher::default(); + b.hash(&mut hasher); + hasher.finish() +} + +fn seahash<H: Hash>(b: &H) -> u64 { + let mut hasher = seahash::SeaHasher::default(); + b.hash(&mut hasher); + hasher.finish() +} + +const STRING_LENGTHS: [u32; 12] = [1, 3, 4, 7, 8, 15, 16, 24, 33, 68, 132, 1024]; + +fn gen_strings() -> Vec<String> { + STRING_LENGTHS + .iter() + .map(|len| { + let mut string = String::default(); + for pos in 1..=*len { + let c = (48 + (pos % 10) as u8) as char; + string.push(c); + } + string + }) + .collect() +} + +const U8_VALUE: u8 = 123; +const U16_VALUE: u16 = 1234; +const U32_VALUE: u32 = 12345678; +const U64_VALUE: u64 = 1234567890123456; +const U128_VALUE: u128 = 12345678901234567890123456789012; + +fn bench_ahash(c: &mut Criterion) { + let mut group = c.benchmark_group("aeshash"); + group.bench_with_input("u8", &U8_VALUE, |b, s| b.iter(|| black_box(aeshash(s)))); + group.bench_with_input("u16", &U16_VALUE, |b, s| b.iter(|| black_box(aeshash(s)))); + group.bench_with_input("u32", &U32_VALUE, |b, s| b.iter(|| black_box(aeshash(s)))); + group.bench_with_input("u64", &U64_VALUE, |b, s| b.iter(|| black_box(aeshash(s)))); + group.bench_with_input("u128", &U128_VALUE, |b, s| b.iter(|| black_box(aeshash(s)))); + group.bench_with_input("string", &gen_strings(), |b, s| b.iter(|| black_box(aeshash(s)))); +} + +fn bench_fallback(c: &mut Criterion) { + let mut group = c.benchmark_group("fallback"); + group.bench_with_input("u8", &U8_VALUE, |b, s| b.iter(|| black_box(fallbackhash(s)))); + group.bench_with_input("u16", &U16_VALUE, |b, s| b.iter(|| black_box(fallbackhash(s)))); + group.bench_with_input("u32", &U32_VALUE, |b, s| b.iter(|| black_box(fallbackhash(s)))); + group.bench_with_input("u64", &U64_VALUE, |b, s| b.iter(|| black_box(fallbackhash(s)))); + group.bench_with_input("u128", &U128_VALUE, |b, s| b.iter(|| black_box(fallbackhash(s)))); + group.bench_with_input("string", &gen_strings(), |b, s| b.iter(|| black_box(fallbackhash(s)))); +} + +fn bench_fx(c: &mut Criterion) { + let mut group = c.benchmark_group("fx"); + group.bench_with_input("u8", &U8_VALUE, |b, s| b.iter(|| black_box(fxhash(s)))); + group.bench_with_input("u16", &U16_VALUE, |b, s| b.iter(|| black_box(fxhash(s)))); + group.bench_with_input("u32", &U32_VALUE, |b, s| b.iter(|| black_box(fxhash(s)))); + group.bench_with_input("u64", &U64_VALUE, |b, s| b.iter(|| black_box(fxhash(s)))); + group.bench_with_input("u128", &U128_VALUE, |b, s| b.iter(|| black_box(fxhash(s)))); + group.bench_with_input("string", &gen_strings(), |b, s| b.iter(|| black_box(fxhash(s)))); +} + +fn bench_fnv(c: &mut Criterion) { + let mut group = c.benchmark_group("fnv"); + group.bench_with_input("u8", &U8_VALUE, |b, s| b.iter(|| black_box(fnvhash(s)))); + group.bench_with_input("u16", &U16_VALUE, |b, s| b.iter(|| black_box(fnvhash(s)))); + group.bench_with_input("u32", &U32_VALUE, |b, s| b.iter(|| black_box(fnvhash(s)))); + group.bench_with_input("u64", &U64_VALUE, |b, s| b.iter(|| black_box(fnvhash(s)))); + group.bench_with_input("u128", &U128_VALUE, |b, s| b.iter(|| black_box(fnvhash(s)))); + group.bench_with_input("string", &gen_strings(), |b, s| b.iter(|| black_box(fnvhash(s)))); +} + +fn bench_sea(c: &mut Criterion) { + let mut group = c.benchmark_group("sea"); + group.bench_with_input("u8", &U8_VALUE, |b, s| b.iter(|| black_box(seahash(s)))); + group.bench_with_input("u16", &U16_VALUE, |b, s| b.iter(|| black_box(seahash(s)))); + group.bench_with_input("u32", &U32_VALUE, |b, s| b.iter(|| black_box(seahash(s)))); + group.bench_with_input("u64", &U64_VALUE, |b, s| b.iter(|| black_box(seahash(s)))); + group.bench_with_input("u128", &U128_VALUE, |b, s| b.iter(|| black_box(seahash(s)))); + group.bench_with_input("string", &gen_strings(), |b, s| b.iter(|| black_box(seahash(s)))); +} + +fn bench_sip(c: &mut Criterion) { + let mut group = c.benchmark_group("sip"); + group.bench_with_input("u8", &U8_VALUE, |b, s| b.iter(|| black_box(siphash(s)))); + group.bench_with_input("u16", &U16_VALUE, |b, s| b.iter(|| black_box(siphash(s)))); + group.bench_with_input("u32", &U32_VALUE, |b, s| b.iter(|| black_box(siphash(s)))); + group.bench_with_input("u64", &U64_VALUE, |b, s| b.iter(|| black_box(siphash(s)))); + group.bench_with_input("u128", &U128_VALUE, |b, s| b.iter(|| black_box(siphash(s)))); + group.bench_with_input("string", &gen_strings(), |b, s| b.iter(|| black_box(siphash(s)))); +} + +criterion_main!(benches); +criterion_group!( + benches, + bench_ahash, + bench_fallback, + bench_fx, + bench_fnv, + bench_sea, + bench_sip +); diff --git a/vendor/ahash-0.7.6/tests/map_tests.rs b/vendor/ahash-0.7.6/tests/map_tests.rs new file mode 100644 index 000000000..be617a2e7 --- /dev/null +++ b/vendor/ahash-0.7.6/tests/map_tests.rs @@ -0,0 +1,203 @@ +use std::hash::{BuildHasher, Hash, Hasher}; + +use criterion::*; +use fxhash::FxHasher; + +use ahash::{AHasher, CallHasher, RandomState}; + +fn gen_word_pairs() -> Vec<String> { + let words: Vec<_> = r#" +a, ability, able, about, above, accept, according, account, across, act, action, +activity, actually, add, address, administration, admit, adult, affect, after, +again, against, age, agency, agent, ago, agree, agreement, ahead, air, all, +allow, almost, alone, along, already, also, although, always, American, among, +amount, analysis, and, animal, another, answer, any, anyone, anything, appear, +apply, approach, area, argue, arm, around, arrive, art, article, artist, as, +ask, assume, at, attack, attention, attorney, audience, author, authority, +available, avoid, away, baby, back, bad, bag, ball, bank, bar, base, be, beat, +beautiful, because, become, bed, before, begin, behavior, behind, believe, +benefit, best, better, between, beyond, big, bill, billion, bit, black, blood, +blue, board, body, book, born, both, box, boy, break, bring, brother, budget, +build, building, business, but, buy, by, call, camera, campaign, can, cancer, +candidate, capital, car, card, care, career, carry, case, catch, cause, cell, +center, central, century, certain, certainly, chair, challenge, chance, change, +character, charge, check, child, choice, choose, church, citizen, city, civil, +claim, class, clear, clearly, close, coach, cold, collection, college, color, +come, commercial, common, community, company, compare, computer, concern, +condition, conference, Congress, consider, consumer, contain, continue, control, +cost, could, country, couple, course, court, cover, create, crime, cultural, +culture, cup, current, customer, cut, dark, data, daughter, day, dead, deal, +death, debate, decade, decide, decision, deep, defense, degree, Democrat, +democratic, describe, design, despite, detail, determine, develop, development, +die, difference, different, difficult, dinner, direction, director, discover, +discuss, discussion, disease, do, doctor, dog, door, down, draw, dream, drive, +drop, drug, during, each, early, east, easy, eat, economic, economy, edge, +education, effect, effort, eight, either, election, else, employee, end, energy, +enjoy, enough, enter, entire, environment, environmental, especially, establish, +even, evening, event, ever, every, everybody, everyone, everything, evidence, +exactly, example, executive, exist, expect, experience, expert, explain, eye, +face, fact, factor, fail, fall, family, far, fast, father, fear, federal, feel, +feeling, few, field, fight, figure, fill, film, final, finally, financial, find, +fine, finger, finish, fire, firm, first, fish, five, floor, fly, focus, follow, +food, foot, for, force, foreign, forget, form, former, forward, four, free, +friend, from, front, full, fund, future, game, garden, gas, general, generation, +get, girl, give, glass, go, goal, good, government, great, green, ground, group, +grow, growth, guess, gun, guy, hair, half, hand, hang, happen, happy, hard, +have, he, head, health, hear, heart, heat, heavy, help, her, here, herself, +high, him, himself, his, history, hit, hold, home, hope, hospital, hot, hotel, +hour, house, how, however, huge, human, hundred, husband, I, idea, identify, if, +image, imagine, impact, important, improve, in, include, including, increase, +indeed, indicate, individual, industry, information, inside, instead, +institution, interest, interesting, international, interview, into, investment, +involve, issue, it, item, its, itself, job, join, just, keep, key, kid, kill, +kind, kitchen, know, knowledge, land, language, large, last, late, later, laugh, +law, lawyer, lay, lead, leader, learn, least, leave, left, leg, legal, less, +let, letter, level, lie, life, light, like, likely, line, list, listen, little, +live, local, long, look, lose, loss, lot, love, low, machine, magazine, main, +maintain, major, majority, make, man, manage, management, manager, many, market, +marriage, material, matter, may, maybe, me, mean, measure, media, medical, meet, +meeting, member, memory, mention, message, method, middle, might, military, +million, mind, minute, miss, mission, model, modern, moment, money, month, more, +morning, most, mother, mouth, move, movement, movie, Mr, Mrs, much, music, must, +my, myself, name, nation, national, natural, nature, near, nearly, necessary, +need, network, never, new, news, newspaper, next, nice, night, no, none, nor, +north, not, note, nothing, notice, now, n't, number, occur, of, off, offer, +office, officer, official, often, oh, oil, ok, old, on, once, one, only, onto, +open, operation, opportunity, option, or, order, organization, other, others, +our, out, outside, over, own, owner, page, pain, painting, paper, parent, part, +participant, particular, particularly, partner, party, pass, past, patient, +pattern, pay, peace, people, per, perform, performance, perhaps, period, person, +personal, phone, physical, pick, picture, piece, place, plan, plant, play, +player, PM, point, police, policy, political, politics, poor, popular, +population, position, positive, possible, power, practice, prepare, present, +president, pressure, pretty, prevent, price, private, probably, problem, +process, produce, product, production, professional, professor, program, +project, property, protect, prove, provide, public, pull, purpose, push, put, +quality, question, quickly, quite, race, radio, raise, range, rate, rather, +reach, read, ready, real, reality, realize, really, reason, receive, recent, +recently, recognize, record, red, reduce, reflect, region, relate, relationship, +religious, remain, remember, remove, report, represent, Republican, require, +research, resource, respond, response, responsibility, rest, result, return, +reveal, rich, right, rise, risk, road, rock, role, room, rule, run, safe, same, +save, say, scene, school, science, scientist, score, sea, season, seat, second, +section, security, see, seek, seem, sell, send, senior, sense, series, serious, +serve, service, set, seven, several, sex, sexual, shake, share, she, shoot, +short, shot, should, shoulder, show, side, sign, significant, similar, simple, +simply, since, sing, single, sister, sit, site, situation, six, size, skill, +skin, small, smile, so, social, society, soldier, some, somebody, someone, +something, sometimes, son, song, soon, sort, sound, source, south, southern, +space, speak, special, specific, speech, spend, sport, spring, staff, stage, +stand, standard, star, start, state, statement, station, stay, step, still, +stock, stop, store, story, strategy, street, strong, structure, student, study, +stuff, style, subject, success, successful, such, suddenly, suffer, suggest, +summer, support, sure, surface, system, table, take, talk, task, tax, teach, +teacher, team, technology, television, tell, ten, tend, term, test, than, thank, +that, the, their, them, themselves, then, theory, there, these, they, thing, +think, third, this, those, though, thought, thousand, threat, three, through, +throughout, throw, thus, time, to, today, together, tonight, too, top, total, +tough, toward, town, trade, traditional, training, travel, treat, treatment, +tree, trial, trip, trouble, true, truth, try, turn, TV, two, type, under, +understand, unit, until, up, upon, us, use, usually, value, various, very, +victim, view, violence, visit, voice, vote, wait, walk, wall, want, war, watch, +water, way, we, weapon, wear, week, weight, well, west, western, what, whatever, +when, where, whether, which, while, white, who, whole, whom, whose, why, wide, +wife, will, win, wind, window, wish, with, within, without, woman, wonder, word, +work, worker, world, worry, would, write, writer, wrong, yard, yeah, year, yes, +yet, you, young, your, yourself"# + .split(',') + .map(|word| word.trim()) + .collect(); + + let mut word_pairs: Vec<_> = Vec::new(); + for word in &words { + for other_word in &words { + word_pairs.push(word.to_string() + " " + other_word); + } + } + assert_eq!(1_000_000, word_pairs.len()); + word_pairs +} + +#[allow(unused)] // False positive +fn test_hash_common_words<B: BuildHasher>(build_hasher: &B) { + let word_pairs: Vec<_> = gen_word_pairs(); + check_for_collisions(build_hasher, &word_pairs, 32); +} + +#[allow(unused)] // False positive +fn check_for_collisions<H: Hash, B: BuildHasher>(build_hasher: &B, items: &[H], bucket_count: usize) { + let mut buckets = vec![0; bucket_count]; + for item in items { + let value = hash(item, build_hasher) as usize; + buckets[value % bucket_count] += 1; + } + let mean = items.len() / bucket_count; + let max = *buckets.iter().max().unwrap(); + let min = *buckets.iter().min().unwrap(); + assert!( + (min as f64) > (mean as f64) * 0.95, + "min: {}, max:{}, {:?}", + min, + max, + buckets + ); + assert!( + (max as f64) < (mean as f64) * 1.05, + "min: {}, max:{}, {:?}", + min, + max, + buckets + ); +} + +#[allow(unused)] // False positive +fn hash<H: Hash, B: BuildHasher>(b: &H, build_hasher: &B) -> u64 { + H::get_hash(b, build_hasher) +} + +#[test] +fn test_bucket_distribution() { + let build_hasher = RandomState::with_seeds(1, 2, 3, 4); + test_hash_common_words(&build_hasher); + let sequence: Vec<_> = (0..320000).collect(); + check_for_collisions(&build_hasher, &sequence, 32); + let sequence: Vec<_> = (0..2560000).collect(); + check_for_collisions(&build_hasher, &sequence, 256); + let sequence: Vec<_> = (0..320000).map(|i| i * 1024).collect(); + check_for_collisions(&build_hasher, &sequence, 32); + let sequence: Vec<_> = (0..2560000_u64).map(|i| i * 1024).collect(); + check_for_collisions(&build_hasher, &sequence, 256); +} + +fn ahash_vec<H: Hash>(b: &Vec<H>) -> u64 { + let mut total: u64 = 0; + for item in b { + let mut hasher = AHasher::new_with_keys(1234, 5678); + item.hash(&mut hasher); + total = total.wrapping_add(hasher.finish()); + } + total +} + +fn fxhash_vec<H: Hash>(b: &Vec<H>) -> u64 { + let mut total: u64 = 0; + for item in b { + let mut hasher = FxHasher::default(); + item.hash(&mut hasher); + total = total.wrapping_add(hasher.finish()); + } + total +} + +fn bench_ahash_words(c: &mut Criterion) { + let words = gen_word_pairs(); + c.bench_function("aes_words", |b| b.iter(|| black_box(ahash_vec(&words)))); +} + +fn bench_fx_words(c: &mut Criterion) { + let words = gen_word_pairs(); + c.bench_function("fx_words", |b| b.iter(|| black_box(fxhash_vec(&words)))); +} + +criterion_main!(benches); +criterion_group!(benches, bench_ahash_words, bench_fx_words,); diff --git a/vendor/ahash-0.7.6/tests/nopanic.rs b/vendor/ahash-0.7.6/tests/nopanic.rs new file mode 100644 index 000000000..d48ff559d --- /dev/null +++ b/vendor/ahash-0.7.6/tests/nopanic.rs @@ -0,0 +1,72 @@ +use ahash::{AHasher, CallHasher, RandomState}; +use std::hash::BuildHasher; + +#[macro_use] +extern crate no_panic; + +#[inline(never)] +#[no_panic] +fn hash_test_final(num: i32, string: &str) -> (u64, u64) { + use core::hash::Hasher; + let mut hasher1 = AHasher::new_with_keys(1, 2); + let mut hasher2 = AHasher::new_with_keys(3, 4); + hasher1.write_i32(num); + hasher2.write(string.as_bytes()); + (hasher1.finish(), hasher2.finish()) +} + +#[inline(never)] +fn hash_test_final_wrapper(num: i32, string: &str) { + hash_test_final(num, string); +} + +struct SimpleBuildHasher { + hasher: AHasher, +} + +impl BuildHasher for SimpleBuildHasher { + type Hasher = AHasher; + + fn build_hasher(&self) -> Self::Hasher { + self.hasher.clone() + } +} + +#[inline(never)] +#[no_panic] +fn hash_test_specialize(num: i32, string: &str) -> (u64, u64) { + let hasher1 = AHasher::new_with_keys(1, 2); + let hasher2 = AHasher::new_with_keys(1, 2); + ( + i32::get_hash(&num, &SimpleBuildHasher { hasher: hasher1 }), + <[u8]>::get_hash(string.as_bytes(), &SimpleBuildHasher { hasher: hasher2 }), + ) +} + +#[inline(never)] +fn hash_test_random_wrapper(num: i32, string: &str) { + hash_test_specialize(num, string); +} + +#[inline(never)] +#[no_panic] +fn hash_test_random(num: i32, string: &str) -> (u64, u64) { + let build_hasher1 = RandomState::with_seeds(1, 2, 3, 4); + let build_hasher2 = RandomState::with_seeds(1, 2, 3, 4); + ( + i32::get_hash(&num, &build_hasher1), + <[u8]>::get_hash(string.as_bytes(), &build_hasher2), + ) +} + +#[inline(never)] +fn hash_test_specialize_wrapper(num: i32, string: &str) { + hash_test_specialize(num, string); +} + +#[test] +fn test_no_panic() { + hash_test_final_wrapper(2, "Foo"); + hash_test_specialize_wrapper(2, "Bar"); + hash_test_random_wrapper(2, "Baz"); +} |