microcosm.blue
bad-example.com
+24
-21
benches/huge-car.rs
+24
-21
benches/huge-car.rs
···
1
1
extern crate repo_stream;
2
-
use futures::TryStreamExt;
3
-
use iroh_car::CarReader;
4
-
use std::convert::Infallible;
2
+
use repo_stream::drive::Processable;
3
+
use serde::{Deserialize, Serialize};
5
4
use std::path::{Path, PathBuf};
6
5
7
6
use criterion::{Criterion, criterion_group, criterion_main};
8
7
8
+
#[derive(Clone, Serialize, Deserialize)]
9
+
struct S(usize);
10
+
11
+
impl Processable for S {
12
+
fn get_size(&self) -> usize {
13
+
0 // no additional space taken, just its stack size (newtype is free)
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+
}
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+
}
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+
9
17
pub fn criterion_benchmark(c: &mut Criterion) {
10
18
let rt = tokio::runtime::Builder::new_multi_thread()
11
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.enable_all()
···
20
28
});
21
29
}
22
30
23
-
async fn drive_car(filename: impl AsRef<Path>) {
31
+
async fn drive_car(filename: impl AsRef<Path>) -> usize {
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let reader = tokio::fs::File::open(filename).await.unwrap();
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let reader = tokio::io::BufReader::new(reader);
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-
let reader = CarReader::new(reader).await.unwrap();
34
+
35
+
let mb = 2_usize.pow(20);
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36
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-
let root = reader
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-
.header()
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.roots()
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.first()
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.ok_or("missing root")
37
+
let mut driver = match repo_stream::drive::load_car(reader, |block| S(block.len()), 1024 * mb)
38
+
.await
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39
.unwrap()
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-
.clone();
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-
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let stream = std::pin::pin!(reader.stream());
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-
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let (_commit, v) =
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repo_stream::drive::Vehicle::init(root, stream, |block| Ok::<_, Infallible>(block.len()))
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.await
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.unwrap();
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let mut record_stream = std::pin::pin!(v.stream());
40
+
{
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+
repo_stream::drive::Vehicle::Lil(_, mem_driver) => mem_driver,
42
+
repo_stream::drive::Vehicle::Big(_) => panic!("not doing disk for benchmark"),
43
+
};
43
44
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-
while let Some(_) = record_stream.try_next().await.unwrap() {
45
-
// just here for the drive
45
+
let mut n = 0;
46
+
while let Some(pairs) = driver.next_chunk(256).await.unwrap() {
47
+
n += pairs.len();
46
48
}
49
+
n
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50
}
48
51
49
52
criterion_group!(benches, criterion_benchmark);
+23
-22
benches/non-huge-cars.rs
+23
-22
benches/non-huge-cars.rs
···
1
1
extern crate repo_stream;
2
-
use futures::TryStreamExt;
3
-
use iroh_car::CarReader;
4
-
use std::convert::Infallible;
5
2
6
3
use criterion::{Criterion, criterion_group, criterion_main};
4
+
use repo_stream::drive::Processable;
5
+
use serde::{Deserialize, Serialize};
7
6
8
7
const TINY_CAR: &'static [u8] = include_bytes!("../car-samples/tiny.car");
9
8
const LITTLE_CAR: &'static [u8] = include_bytes!("../car-samples/little.car");
10
9
const MIDSIZE_CAR: &'static [u8] = include_bytes!("../car-samples/midsize.car");
11
10
11
+
#[derive(Clone, Serialize, Deserialize)]
12
+
struct S(usize);
13
+
14
+
impl Processable for S {
15
+
fn get_size(&self) -> usize {
16
+
0 // no additional space taken, just its stack size (newtype is free)
17
+
}
18
+
}
19
+
12
20
pub fn criterion_benchmark(c: &mut Criterion) {
13
21
let rt = tokio::runtime::Builder::new_multi_thread()
14
22
.enable_all()
···
26
34
});
27
35
}
28
36
29
-
async fn drive_car(bytes: &[u8]) {
30
-
let reader = CarReader::new(bytes).await.unwrap();
31
-
32
-
let root = reader
33
-
.header()
34
-
.roots()
35
-
.first()
36
-
.ok_or("missing root")
37
-
.unwrap()
38
-
.clone();
39
-
40
-
let stream = std::pin::pin!(reader.stream());
41
-
42
-
let (_commit, v) =
43
-
repo_stream::drive::Vehicle::init(root, stream, |block| Ok::<_, Infallible>(block.len()))
37
+
async fn drive_car(bytes: &[u8]) -> usize {
38
+
let mut driver =
39
+
match repo_stream::drive::load_car(bytes, |block| S(block.len()), 32 * 2_usize.pow(20))
44
40
.await
45
-
.unwrap();
46
-
let mut record_stream = std::pin::pin!(v.stream());
41
+
.unwrap()
42
+
{
43
+
repo_stream::drive::Vehicle::Lil(_, mem_driver) => mem_driver,
44
+
repo_stream::drive::Vehicle::Big(_) => panic!("not benching big cars here"),
45
+
};
47
46
48
-
while let Some(_) = record_stream.try_next().await.unwrap() {
49
-
// just here for the drive
47
+
let mut n = 0;
48
+
while let Some(pairs) = driver.next_chunk(256).await.unwrap() {
49
+
n += pairs.len();
50
50
}
51
+
n
51
52
}
52
53
53
54
criterion_group!(benches, criterion_benchmark);