c98b2d6944
This PR introduces a new `MultiBufferOffset` new type wrapping size. The goal of this is to make it clear at the type level when we are interacting with offsets of a multi buffer versus offsets of a language / text buffer. This improves readability of things quite a bit by making it clear what kind of offsets one is working with while also reducing accidental bugs by using the wrong kin of offset for the wrong API. This PR also uncovered two minor bugs due to that. Does not yet introduce the MultiBufferPoint equivalent, that is for a follow up PR. Release Notes: - N/A *or* Added/Fixed/Improved ...
108 lines
3.5 KiB
Rust
108 lines
3.5 KiB
Rust
use criterion::{BenchmarkId, Criterion, criterion_group, criterion_main};
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use editor::MultiBuffer;
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use gpui::TestDispatcher;
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use itertools::Itertools;
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use multi_buffer::MultiBufferOffset;
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use rand::{Rng, SeedableRng, rngs::StdRng};
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use std::num::NonZeroU32;
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use text::Bias;
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use util::RandomCharIter;
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fn to_tab_point_benchmark(c: &mut Criterion) {
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let rng = StdRng::seed_from_u64(1);
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let dispatcher = TestDispatcher::new(rng);
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let cx = gpui::TestAppContext::build(dispatcher, None);
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let create_tab_map = |length: usize| {
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let mut rng = StdRng::seed_from_u64(1);
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let text = RandomCharIter::new(&mut rng)
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.take(length)
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.collect::<String>();
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let buffer = cx.update(|cx| MultiBuffer::build_simple(&text, cx));
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let buffer_snapshot = cx.read(|cx| buffer.read(cx).snapshot(cx));
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use editor::display_map::*;
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let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot);
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let (_, fold_snapshot) = FoldMap::new(inlay_snapshot.clone());
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let fold_point = fold_snapshot.to_fold_point(
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inlay_snapshot.to_point(InlayOffset(
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rng.random_range(MultiBufferOffset(0)..MultiBufferOffset(length)),
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)),
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Bias::Left,
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);
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let (_, snapshot) = TabMap::new(fold_snapshot, NonZeroU32::new(4).unwrap());
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(length, snapshot, fold_point)
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};
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let inputs = [1024].into_iter().map(create_tab_map).collect_vec();
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let mut group = c.benchmark_group("To tab point");
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for (batch_size, snapshot, fold_point) in inputs {
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group.bench_with_input(
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BenchmarkId::new("to_tab_point", batch_size),
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&snapshot,
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|bench, snapshot| {
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bench.iter(|| {
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snapshot.to_tab_point(fold_point);
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});
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},
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);
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}
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group.finish();
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}
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fn to_fold_point_benchmark(c: &mut Criterion) {
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let rng = StdRng::seed_from_u64(1);
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let dispatcher = TestDispatcher::new(rng);
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let cx = gpui::TestAppContext::build(dispatcher, None);
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let create_tab_map = |length: usize| {
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let mut rng = StdRng::seed_from_u64(1);
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let text = RandomCharIter::new(&mut rng)
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.take(length)
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.collect::<String>();
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let buffer = cx.update(|cx| MultiBuffer::build_simple(&text, cx));
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let buffer_snapshot = cx.read(|cx| buffer.read(cx).snapshot(cx));
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use editor::display_map::*;
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let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot);
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let (_, fold_snapshot) = FoldMap::new(inlay_snapshot.clone());
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let fold_point = fold_snapshot.to_fold_point(
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inlay_snapshot.to_point(InlayOffset(
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rng.random_range(MultiBufferOffset(0)..MultiBufferOffset(length)),
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)),
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Bias::Left,
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);
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let (_, snapshot) = TabMap::new(fold_snapshot, NonZeroU32::new(4).unwrap());
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let tab_point = snapshot.to_tab_point(fold_point);
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(length, snapshot, tab_point)
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};
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let inputs = [1024].into_iter().map(create_tab_map).collect_vec();
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let mut group = c.benchmark_group("To fold point");
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for (batch_size, snapshot, tab_point) in inputs {
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group.bench_with_input(
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BenchmarkId::new("to_fold_point", batch_size),
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&snapshot,
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|bench, snapshot| {
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bench.iter(|| {
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snapshot.to_fold_point(tab_point, Bias::Left);
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});
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},
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);
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}
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group.finish();
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}
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criterion_group!(benches, to_tab_point_benchmark, to_fold_point_benchmark);
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criterion_main!(benches);
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