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Original file line number | Diff line number | Diff line change |
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@@ -1,39 +1,64 @@ | ||
#![feature(test)] | ||
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extern crate test; | ||
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#[cfg(test)] | ||
mod tests { | ||
use rand::seq::IteratorRandom; | ||
use rand::thread_rng; | ||
use tantivy_common::serialize_vint_u32; | ||
use test::Bencher; | ||
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#[bench] | ||
fn bench_vint(b: &mut Bencher) { | ||
let vals: Vec<u32> = (0..20_000).collect(); | ||
b.iter(|| { | ||
let mut out = 0u64; | ||
for val in vals.iter().cloned() { | ||
let mut buf = [0u8; 8]; | ||
serialize_vint_u32(val, &mut buf); | ||
out += u64::from(buf[0]); | ||
} | ||
out | ||
}); | ||
} | ||
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#[bench] | ||
fn bench_vint_rand(b: &mut Bencher) { | ||
let vals: Vec<u32> = (0..20_000).choose_multiple(&mut thread_rng(), 100_000); | ||
b.iter(|| { | ||
let mut out = 0u64; | ||
for val in vals.iter().cloned() { | ||
let mut buf = [0u8; 8]; | ||
serialize_vint_u32(val, &mut buf); | ||
out += u64::from(buf[0]); | ||
} | ||
out | ||
}); | ||
} | ||
use binggan::{black_box, BenchRunner}; | ||
use rand::seq::IteratorRandom; | ||
use rand::thread_rng; | ||
use tantivy_common::{serialize_vint_u32, BitSet, TinySet}; | ||
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fn bench_vint() { | ||
let mut runner = BenchRunner::new(); | ||
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let vals: Vec<u32> = (0..20_000).collect(); | ||
runner.bench_function("bench_vint", move |_| { | ||
let mut out = 0u64; | ||
for val in vals.iter().cloned() { | ||
let mut buf = [0u8; 8]; | ||
serialize_vint_u32(val, &mut buf); | ||
out += u64::from(buf[0]); | ||
} | ||
black_box(out); | ||
}); | ||
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let vals: Vec<u32> = (0..20_000).choose_multiple(&mut thread_rng(), 100_000); | ||
runner.bench_function("bench_vint_rand", move |_| { | ||
let mut out = 0u64; | ||
for val in vals.iter().cloned() { | ||
let mut buf = [0u8; 8]; | ||
serialize_vint_u32(val, &mut buf); | ||
out += u64::from(buf[0]); | ||
} | ||
black_box(out); | ||
}); | ||
} | ||
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fn bench_bitset() { | ||
let mut runner = BenchRunner::new(); | ||
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runner.bench_function("bench_tinyset_pop", move |_| { | ||
let mut tinyset = TinySet::singleton(black_box(31u32)); | ||
tinyset.pop_lowest(); | ||
tinyset.pop_lowest(); | ||
tinyset.pop_lowest(); | ||
tinyset.pop_lowest(); | ||
tinyset.pop_lowest(); | ||
tinyset.pop_lowest(); | ||
black_box(tinyset); | ||
}); | ||
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let tiny_set = TinySet::empty().insert(10u32).insert(14u32).insert(21u32); | ||
runner.bench_function("bench_tinyset_sum", move |_| { | ||
assert_eq!(black_box(tiny_set).into_iter().sum::<u32>(), 45u32); | ||
}); | ||
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let v = [10u32, 14u32, 21u32]; | ||
runner.bench_function("bench_tinyarr_sum", move |_| { | ||
black_box(v.iter().cloned().sum::<u32>()); | ||
}); | ||
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runner.bench_function("bench_bitset_initialize", move |_| { | ||
black_box(BitSet::with_max_value(1_000_000)); | ||
}); | ||
} | ||
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fn main() { | ||
bench_vint(); | ||
bench_bitset(); | ||
} |
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