1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
extern crate cdb;
#[macro_use]
extern crate criterion;
use cdb::CDB;
use criterion::Criterion;
fn test_cdb() -> CDB {
CDB::open("tests/test2.cdb").expect("Could not open tests/test2.cdb")
}
fn reader_benchmark(c: &mut Criterion) {
c.bench_function("CDB::open", |b| b.iter(|| { test_cdb(); }));
c.bench_function("CDB::find", |b| {
let cdb = test_cdb();
b.iter(|| cdb.find(b"two"))
});
c.bench_function("CDB::find long", |b| {
let cdb = test_cdb();
b.iter(|| cdb.find(b"this key will be split across two reads"))
});
c.bench_function("CDB::find result", |b| {
let cdb = test_cdb();
b.iter(|| cdb.find(b"two").next().unwrap())
});
c.bench_function("CDB::find result loop", |b| {
let cdb = test_cdb();
b.iter(|| for result in cdb.find(b"one") { result.unwrap(); })
});
c.bench_function("CDB::open + find result loop", |b| b.iter(|| {
let cdb = test_cdb();
for result in cdb.find(b"one") {
result.unwrap();
}
}));
c.bench_function("CDB::iter result loop", |b| {
let cdb = test_cdb();
b.iter(|| for result in cdb.iter() { result.unwrap(); })
});
c.bench_function("CDB::open + iter result loop", |b| b.iter(|| {
let cdb = test_cdb();
for result in cdb.iter() {
result.unwrap();
}
}));
}
criterion_group!(benches, reader_benchmark);
criterion_main!(benches);
|
