Benchmark large collection of small items
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@ -2,9 +2,12 @@
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watch:
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cargo watch -c -x 'test --all-targets -- --nocapture'
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bench:
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bench: benches/testdata.bin
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cargo bench --benches
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benches/testdata.bin: benches/testdata.bin.gz
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gzip -dc $< > $@
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clippy-watch:
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cargo watch -c -x 'clippy --all-targets'
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@ -0,0 +1 @@
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testdata.bin
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@ -1,5 +1,5 @@
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use criterion::{criterion_group, criterion_main, Criterion};
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use preserves::value::{self, decoder, encoder};
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use preserves::value::{self, decoder, encoder, reader, reader::Reader};
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use preserves::{de, ser};
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use std::io::Read;
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use std::io::BufReader;
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@ -79,9 +79,52 @@ pub fn bench_ser_encoder(c: &mut Criterion) {
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}));
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}
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pub fn large_testdata_decoder_with_ann(c: &mut Criterion) {
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let mut fh = std::fs::File::open("benches/testdata.bin").unwrap();
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let mut bs = vec![];
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fh.read_to_end(&mut bs).ok();
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c.bench_function("decode testdata.bin with annotations", |b| b.iter(|| {
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let mut r = reader::from_bytes(&bs[..]);
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while let Some(_) = r.next(true).unwrap() {}
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}));
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}
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pub fn large_testdata_decoder_without_ann(c: &mut Criterion) {
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let mut fh = std::fs::File::open("benches/testdata.bin").unwrap();
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let mut bs = vec![];
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fh.read_to_end(&mut bs).ok();
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c.bench_function("decode testdata.bin without annotations", |b| b.iter(|| {
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let mut r = reader::from_bytes(&bs[..]);
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while let Some(_) = r.next(false).unwrap() {}
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}));
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}
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pub fn large_testdata_encoder(c: &mut Criterion) {
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let mut fh = std::fs::File::open("benches/testdata.bin").unwrap();
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let mut vs = vec![];
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let mut r = reader::from_read(&mut fh);
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while let Some(v) = r.next(true).unwrap() {
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vs.push(v);
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}
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c.bench_function("encode testdata.bin", |b| b.iter_with_large_drop(|| {
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let mut bs = vec![];
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let mut e = encoder::Encoder::new(&mut bs);
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for v in &vs {
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e.write(&v).unwrap();
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}
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bs
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}));
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}
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criterion_group!(codec,
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bench_decoder_bytes, bench_decoder_file, bench_decoder_buffered_file,
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bench_encoder);
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criterion_group!(serde, bench_de, bench_ser);
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criterion_group!(codec_then_serde, bench_decoder_de, bench_ser_encoder);
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criterion_main!(codec, serde, codec_then_serde);
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criterion_group!{
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name = large_testdata;
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config = Criterion::default().sample_size(10);
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targets = large_testdata_decoder_with_ann, large_testdata_decoder_without_ann, large_testdata_encoder
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}
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criterion_main!(codec, serde, codec_then_serde, large_testdata);
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