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Merge pull request #51 from dholroyd/parser-benchmark
Add a parsing benchmark
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commit
7e6da6224d
2 changed files with 56 additions and 0 deletions
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@ -32,3 +32,11 @@ strum = { version = "0.17", features = ["derive"] }
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[dev-dependencies]
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pretty_assertions = "0.6"
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version-sync = "0.9"
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criterion = "0.3.1"
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[[bench]]
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name = "parse"
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harness = false
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[profile.bench]
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debug = true
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48
benches/parse.rs
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48
benches/parse.rs
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@ -0,0 +1,48 @@
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use criterion::{criterion_group, criterion_main, Criterion, Throughput};
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use hls_m3u8;
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use hls_m3u8::tags::{ExtXDateRange, ExtXProgramDateTime};
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use hls_m3u8::types::Value;
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use hls_m3u8::{MediaPlaylist, MediaSegment};
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use std::str::FromStr;
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fn create_manifest_data() -> Vec<u8> {
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let mut builder = MediaPlaylist::builder();
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builder.media_sequence(826176645);
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builder.has_independent_segments(true);
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builder.target_duration(std::time::Duration::from_secs(2));
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for i in 0..4000 {
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let mut seg = MediaSegment::builder();
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seg.duration(std::time::Duration::from_secs_f64(1.92))
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.uri(format!(
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"avc_unencrypted_global-video=3000000-{}.ts?variant=italy",
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826176659 + i
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));
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if i == 0 {
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seg.program_date_time(ExtXProgramDateTime::new("2020-04-07T11:32:38Z"));
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}
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if i % 100 == 0 {
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let mut date_range =
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ExtXDateRange::new(format!("{}", i / 100), "2020-04-07T11:40:02.040000Z");
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date_range.duration = Some(std::time::Duration::from_secs_f64(65.2));
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date_range.client_attributes.insert("SCTE35-OUT".to_string(), Value::Hex(hex::decode("FC302500000000000000FFF0140500001C207FEFFE0030E3A0FE005989E000010000000070BA5ABF").unwrap()));
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seg.date_range(date_range);
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}
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builder.push_segment(seg.build().unwrap());
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}
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builder.build().unwrap().to_string().into_bytes()
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}
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fn criterion_benchmark(c: &mut Criterion) {
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let buf = create_manifest_data();
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let mut group = c.benchmark_group("parser");
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group.throughput(Throughput::Bytes(buf.len() as u64));
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group.bench_function("throughput", |b| {
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b.iter(|| {
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let buf = String::from_utf8_lossy(&buf);
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hls_m3u8::MediaPlaylist::from_str(&buf).unwrap()
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});
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});
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}
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criterion_group!(benches, criterion_benchmark);
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criterion_main!(benches);
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