112 lines
2.7 KiB
Rust
112 lines
2.7 KiB
Rust
#[macro_use]
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extern crate criterion;
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extern crate bincode;
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extern crate serde;
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extern crate serde_derive;
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extern crate tempfile;
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use chgk_ledb_lib::db;
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use std::path::Path;
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use db::{Reader, Writer, WriterOpts};
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use criterion::{BatchSize, Criterion};
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use tempfile::{tempdir, NamedTempFile};
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use serde_derive::{Deserialize, Serialize};
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#[derive(
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bincode::Encode,
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bincode::Decode,
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Clone,
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Debug,
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PartialEq,
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Eq,
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PartialOrd,
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Ord,
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Serialize,
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Deserialize,
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)]
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struct TestData {
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num1: u64,
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num2: u64,
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test: String,
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}
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const N: usize = 4096;
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fn gen_data(count: usize) -> impl Iterator<Item = TestData> {
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(0..count).map(|i| 143 + i as u64).map(|i| TestData {
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num1: i,
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num2: (i * 100) ^ 0xDF0E441122334455,
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test: "test ---- Test ____".repeat(123 + i as usize % 15),
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})
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}
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fn prepare_db_writer<P: AsRef<Path>>(path: P) -> Writer<TestData> {
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let opts = WriterOpts {
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compress_lvl: 1,
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data_buf_size: 100 * 1024 * 1024,
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out_buf_size: 100 * 1024 * 1024,
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current_buf_size: 10240,
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};
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Writer::new(path, opts).expect("new writer")
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}
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fn db_read(c: &mut Criterion) {
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let dir = tempdir().expect("tempdir");
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let tmpfile = NamedTempFile::new_in(dir.path())
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.expect("new tempfile")
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.into_temp_path();
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let mut writer = prepare_db_writer(&tmpfile);
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let mut items_iter = gen_data(N).collect::<Vec<TestData>>().into_iter();
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writer.load(&mut items_iter).unwrap();
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writer.finish().unwrap();
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c.bench_function("read", |b| {
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b.iter_batched(
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|| {
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let reader: Reader<TestData> = Reader::new(&tmpfile, 2048).expect("new reader");
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reader
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},
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|reader| {
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for item in reader {
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drop(item);
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}
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},
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BatchSize::SmallInput,
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)
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});
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}
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fn db_write(c: &mut Criterion) {
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let dir = tempdir().expect("tempdir");
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c.bench_function("write", |b| {
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b.iter_batched(
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|| {
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let tmpfile = NamedTempFile::new_in(dir.path())
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.expect("new tempfile")
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.into_temp_path();
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let src = gen_data(N).collect::<Vec<TestData>>().into_iter();
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let writer = prepare_db_writer(&tmpfile);
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(src, writer)
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},
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|(mut src, mut writer)| {
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writer.load(&mut src).unwrap();
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writer.finish().unwrap();
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},
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BatchSize::SmallInput,
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)
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});
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}
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fn config() -> Criterion {
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Criterion::default().sample_size(40)
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}
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criterion_group! {name=benches; config = config(); targets = db_read, db_write}
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criterion_main!(benches);
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