71 lines
2.1 KiB
Rust
71 lines
2.1 KiB
Rust
use automerge::{Automerge, Value, ObjId};
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use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion, Throughput};
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use std::fs;
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fn replay_trace(commands: Vec<(usize, usize, Vec<Value>)>) -> Automerge {
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let mut doc = Automerge::new();
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let text = doc.set(ObjId::Root, "text", Value::text()).unwrap().unwrap();
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for (pos, del, vals) in commands {
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doc.splice(&text, pos, del, vals).unwrap();
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}
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doc.commit(None, None);
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doc
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}
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fn save_trace(mut doc: Automerge) {
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doc.save().unwrap();
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}
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fn load_trace(bytes: &[u8]) {
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Automerge::load(bytes).unwrap();
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}
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fn bench(c: &mut Criterion) {
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let contents = fs::read_to_string("edits.json").expect("cannot read edits file");
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let edits = json::parse(&contents).expect("cant parse edits");
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let mut commands = vec![];
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for i in 0..edits.len() {
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let pos: usize = edits[i][0].as_usize().unwrap();
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let del: usize = edits[i][1].as_usize().unwrap();
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let mut vals = vec![];
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for j in 2..edits[i].len() {
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let v = edits[i][j].as_str().unwrap();
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vals.push(Value::str(v));
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}
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commands.push((pos, del, vals));
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}
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let mut group = c.benchmark_group("edit trace");
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group.throughput(Throughput::Elements(commands.len() as u64));
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group.bench_with_input(
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BenchmarkId::new("replay", commands.len()),
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&commands,
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|b, commands| {
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b.iter_batched(
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|| commands.clone(),
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replay_trace,
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criterion::BatchSize::LargeInput,
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)
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},
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);
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let commands_len = commands.len();
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let mut doc = replay_trace(commands);
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group.bench_with_input(BenchmarkId::new("save", commands_len), &doc, |b, doc| {
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b.iter_batched(|| doc.clone(), save_trace, criterion::BatchSize::LargeInput)
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});
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let bytes = doc.save().unwrap();
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group.bench_with_input(
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BenchmarkId::new("load", commands_len),
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&bytes,
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|b, bytes| b.iter(|| load_trace(bytes)),
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);
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group.finish();
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}
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criterion_group!(benches, bench);
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criterion_main!(benches);
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