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https://github.com/ratatui-org/ratatui
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c12bcfefa2
Fixes many not yet enabled lints (mostly pedantic) on everything that is not the lib (examples, benchs, tests). Therefore, this is not containing anything that can be a breaking change. Lints are not enabled as that should be the job of #974. I created this as a separate PR as its mostly independent and would only clutter up the diff of #974 even more. Also see https://github.com/ratatui-org/ratatui/pull/974#discussion_r1506458743 --------- Co-authored-by: Josh McKinney <joshka@users.noreply.github.com>
73 lines
2.4 KiB
Rust
73 lines
2.4 KiB
Rust
use criterion::{criterion_group, criterion_main, BatchSize, Bencher, BenchmarkId, Criterion};
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use ratatui::{
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buffer::Buffer,
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layout::Rect,
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widgets::{List, ListItem, ListState, StatefulWidget, Widget},
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};
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/// Benchmark for rendering a list.
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/// It only benchmarks the render with a different amount of items.
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fn list(c: &mut Criterion) {
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let mut group = c.benchmark_group("list");
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for line_count in [64, 2048, 16384] {
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let lines: Vec<ListItem> = (0..line_count)
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.map(|_| ListItem::new(fakeit::words::sentence(10)))
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.collect();
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// Render default list
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group.bench_with_input(
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BenchmarkId::new("render", line_count),
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&List::new(lines.clone()),
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render,
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);
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// Render with an offset to the middle of the list and a selected item
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group.bench_with_input(
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BenchmarkId::new("render_scroll_half", line_count),
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&List::new(lines.clone()).highlight_symbol(">>"),
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|b, list| {
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render_stateful(
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b,
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list,
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ListState::default()
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.with_offset(line_count / 2)
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.with_selected(Some(line_count / 2)),
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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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/// render the list into a common size buffer
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fn render(bencher: &mut Bencher, list: &List) {
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let mut buffer = Buffer::empty(Rect::new(0, 0, 200, 50));
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// We use `iter_batched` to clone the value in the setup function.
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// See https://github.com/ratatui-org/ratatui/pull/377.
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bencher.iter_batched(
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|| list.to_owned(),
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|bench_list| {
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Widget::render(bench_list, buffer.area, &mut buffer);
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},
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BatchSize::LargeInput,
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);
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}
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/// render the list into a common size buffer with a state
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fn render_stateful(bencher: &mut Bencher, list: &List, mut state: ListState) {
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let mut buffer = Buffer::empty(Rect::new(0, 0, 200, 50));
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// We use `iter_batched` to clone the value in the setup function.
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// See https://github.com/ratatui-org/ratatui/pull/377.
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bencher.iter_batched(
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|| list.to_owned(),
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|bench_list| {
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StatefulWidget::render(bench_list, buffer.area, &mut buffer, &mut state);
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},
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BatchSize::LargeInput,
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);
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}
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criterion_group!(benches, list);
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criterion_main!(benches);
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