loro/crates/loro-internal/examples/encoding.rs
Zixuan Chen 5cac1ed092
Refactor: make changes mergeable (#146)
- Allow changes to be merged when possible. This makes realtime collaboration more efficient with Loro.
- Refactor the code to make modifications of changes in oplog in one place
- Optimize the diff calculation so that it doesn't have to go back to the beginning of the change.

Note: we still keep the invariants that dependency pointers in Loro always point to the last op in a change
2023-11-03 21:40:34 +08:00

92 lines
2.8 KiB
Rust

use std::time::Instant;
use bench_utils::TextAction;
use loro_internal::LoroDoc;
fn main() {
let actions = bench_utils::get_automerge_actions();
let loro = LoroDoc::default();
let loro_b = LoroDoc::default();
let text = loro.get_text("text");
let mut i = 0;
let start = Instant::now();
for TextAction { pos, ins, del } in actions.iter() {
{
let mut txn = loro.txn().unwrap();
text.delete(&mut txn, *pos, *del).unwrap();
text.insert(&mut txn, *pos, ins).unwrap();
}
loro_b
.import(&loro.export_from(&loro_b.oplog_vv()))
.unwrap();
i += 1;
if i == 30000 {
break;
}
}
println!("{}ms", start.elapsed().as_millis());
// let loro = LoroDoc::default();
// let text = loro.get_text("text");
// for TextAction { pos, ins, del } in actions.iter() {
// let mut txn = loro.txn().unwrap();
// text.delete(&mut txn, *pos, *del).unwrap();
// text.insert(&mut txn, *pos, ins).unwrap();
// txn.commit().unwrap();
// }
// {
// // Delta encoding
// // let start = Instant::now();
// // for _ in 0..10 {
// // loro.export_from(&Default::default());
// // }
// // println!("Avg encode {}ms", start.elapsed().as_millis() as f64 / 10.0);
// let data = loro.export_from(&Default::default());
// let start = Instant::now();
// for _ in 0..5 {
// let b = LoroDoc::default();
// b.import(&data).unwrap();
// }
// println!("Avg decode {}ms", start.elapsed().as_millis() as f64 / 10.0);
// println!("size len={}", data.len());
// let d = miniz_oxide::deflate::compress_to_vec(&data, 10);
// println!("size after compress len={}", d.len());
// }
// {
// // Snapshot encoding
// // println!("\n=======================\nSnapshot Encoding:");
// // let start = Instant::now();
// // for _ in 0..10 {
// // loro.export_snapshot();
// // }
// // println!("Avg encode {}ms", start.elapsed().as_millis() as f64 / 10.0);
// // let data = loro.export_snapshot();
// // let start = Instant::now();
// // let times = 300;
// // for _ in 0..times {
// // let b = LoroDoc::default();
// // b.import(&data).unwrap();
// // }
// // println!(
// // "Avg decode {}ms",
// // start.elapsed().as_millis() as f64 / times as f64
// // );
// // println!("size len={}", data.len());
// // let d = miniz_oxide::deflate::compress_to_vec(&data, 10);
// // println!("size after compress len={}", d.len());
// }
}