loro/crates/loro-internal/benches/text_r.rs

use criterion::{criterion_group, criterion_main, Criterion};

#[cfg(feature = "test_utils")]
mod run {
    use std::sync::{atomic::AtomicU32, Arc};

    use super::*;
    use bench_utils::TextAction;
    use criterion::black_box;
    use loro_internal::refactor::loro::LoroDoc;
    use tracing::instrument::WithSubscriber;

    pub fn b4(c: &mut Criterion) {
        let actions = bench_utils::get_automerge_actions();
        let mut b = c.benchmark_group("refactored direct_apply");
        b.sample_size(10);
        b.bench_function("B4", |b| {
            b.iter(|| {
                let loro = LoroDoc::default();
                let text = loro.get_text("text");
                let mut txn = loro.txn().unwrap();

                for TextAction { pos, ins, del } in actions.iter() {
                    text.delete(&mut txn, *pos, *del);
                    text.insert(&mut txn, *pos, ins);
                }
            })
        });

        b.bench_function("B4 Obs", |b| {
            b.iter(|| {
                let loro = LoroDoc::default();
                let text = loro.get_text("text");
                loro.subscribe_deep(Arc::new(move |event| {
                    black_box(event);
                }));
                let mut txn = loro.txn().unwrap();
                for TextAction { pos, ins, del } in actions.iter() {
                    text.delete(&mut txn, *pos, *del);
                    text.insert(&mut txn, *pos, ins);
                }
            })
        });

        b.bench_function("B4 encode snapshot", |b| {
            let loro = LoroDoc::default();
            let text = loro.get_text("text");

            let mut n = 0;
            let mut txn = loro.txn().unwrap();
            for TextAction { pos, ins, del } in actions.iter() {
                if n == 10 {
                    n = 0;
                    drop(txn);
                    txn = loro.txn().unwrap();
                }
                n += 1;
                text.delete(&mut txn, *pos, *del);
                text.insert(&mut txn, *pos, ins);
            }
            txn.commit().unwrap();

            b.iter(|| {
                loro.export_snapshot();
            });
        });

        b.bench_function("B4 encode updates", |b| {
            let loro = LoroDoc::default();
            let text = loro.get_text("text");

            let mut n = 0;
            let mut txn = loro.txn().unwrap();
            for TextAction { pos, ins, del } in actions.iter() {
                if n == 10 {
                    n = 0;
                    drop(txn);
                    txn = loro.txn().unwrap();
                }
                n += 1;
                text.delete(&mut txn, *pos, *del);
                text.insert(&mut txn, *pos, ins);
            }
            txn.commit().unwrap();

            b.iter(|| {
                loro.export_from(&Default::default());
            });
        });

        b.bench_function("B4 decode snapshot", |b| {
            let loro = LoroDoc::default();
            let text = loro.get_text("text");
            let mut n = 0;
            let mut txn = loro.txn().unwrap();
            for TextAction { pos, ins, del } in actions.iter() {
                if n == 10 {
                    n = 0;
                    drop(txn);
                    txn = loro.txn().unwrap();
                }
                n += 1;
                text.delete(&mut txn, *pos, *del);
                text.insert(&mut txn, *pos, ins);
            }
            txn.commit().unwrap();

            let data = loro.export_snapshot();
            b.iter(|| {
                let l = LoroDoc::new();
                l.import(&data).unwrap();
            });
        });

        b.bench_function("B4 import updates", |b| {
            let loro = LoroDoc::default();
            let text = loro.get_text("text");

            let mut n = 0;
            let mut txn = loro.txn().unwrap();
            for TextAction { pos, ins, del } in actions.iter() {
                if n == 10 {
                    n = 0;
                    drop(txn);
                    txn = loro.txn().unwrap();
                }
                n += 1;
                text.delete(&mut txn, *pos, *del);
                text.insert(&mut txn, *pos, ins);
            }
            txn.commit().unwrap();

            let data = loro.export_from(&Default::default());
            b.iter(|| {
                let l = LoroDoc::new();
                l.import(&data).unwrap();
            });
        });

        b.bench_function("B4 utf16", |b| {
            b.iter(|| {
                let loro = LoroDoc::new();
                let text = loro.get_text("text");
                let mut txn = loro.txn().unwrap();

                for TextAction { pos, ins, del } in actions.iter() {
                    text.delete_utf16(&mut txn, *pos, *del);
                    text.insert_utf16(&mut txn, *pos, ins);
                }
            })
        });

        b.bench_function("B4_Per100_Txn", |b| {
            b.iter(|| {
                let loro = LoroDoc::default();
                let text = loro.get_text("text");
                let mut n = 0;
                let mut txn = loro.txn().unwrap();
                for TextAction { pos, ins, del } in actions.iter() {
                    if n == 100 {
                        n = 0;
                        drop(txn);
                        txn = loro.txn().unwrap();
                    }
                    n += 1;
                    text.delete(&mut txn, *pos, *del);
                    text.insert(&mut txn, *pos, ins);
                }
            })
        });

        b.bench_function("B4 One Op One Txn", |b| {
            b.iter(|| {
                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);
                        text.insert(&mut txn, *pos, ins);
                        txn.commit().unwrap();
                    }
                }
            })
        });

        b.bench_function("B4 One Op One Txn Obs", |b| {
            b.iter(|| {
                let loro = LoroDoc::default();
                let text = loro.get_text("text");
                loro.subscribe_deep(Arc::new(move |event| {
                    black_box(event);
                }));
                {
                    for TextAction { pos, ins, del } in actions.iter() {
                        let mut txn = loro.txn().unwrap();
                        text.delete(&mut txn, *pos, *del);
                        text.insert(&mut txn, *pos, ins);
                        txn.commit().unwrap();
                    }
                }
            })
        });

        b.bench_function("B4DirectSync", |b| {
            b.iter(|| {
                let loro = LoroDoc::default();
                let loro_b = 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);
                        text.insert(&mut txn, *pos, ins);
                    }

                    loro_b
                        .import(&loro.export_from(&loro_b.vv_cloned()))
                        .unwrap();
                }
            })
        });

        drop(b);
        let mut b = c.benchmark_group("refactored-sync");
        b.bench_function("B4Parallel", |b| {
            b.iter(|| {
                let loro = LoroDoc::default();
                let loro_b = LoroDoc::default();
                let text = loro.get_text("text");
                let text2 = loro_b.get_text("text");
                let mut i = 0;
                for TextAction { pos, ins, del } in actions.iter() {
                    let pos = *pos;
                    let del = *del;
                    i += 1;
                    if i > 1000 {
                        break;
                    }

                    {
                        let mut txn = loro.txn().unwrap();
                        text.delete(&mut txn, pos, del);
                        text.insert(&mut txn, pos, ins);
                    }

                    {
                        let mut txn = loro_b.txn().unwrap();
                        text2.delete(&mut txn, pos, del);
                        text2.insert(&mut txn, pos, ins);
                    }
                    loro_b
                        .import(&loro.export_from(&loro_b.vv_cloned()))
                        .unwrap();
                    loro.import(&loro_b.export_from(&loro.vv_cloned())).unwrap();
                }
            })
        });
    }
}
pub fn dumb(_c: &mut Criterion) {}

#[cfg(feature = "test_utils")]
criterion_group!(benches, run::b4);
#[cfg(not(feature = "test_utils"))]
criterion_group!(benches, dumb);
criterion_main!(benches);