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perf: add buffer diff benchmark

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Josh McKinney 2024-10-14 18:23:55 -07:00
parent d72968d86b
commit 99ef8651aa
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1 changed files with 38 additions and 1 deletions
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39
benches/main/buffer.rs
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@ -1,11 +1,14 @@
use std::iter::zip;
use criterion::{black_box, BenchmarkId, Criterion};
use ratatui::{
buffer::{Buffer, Cell},
layout::Rect,
text::Line,
widgets::Widget,
};
criterion::criterion_group!(benches, empty, filled, with_lines);
criterion::criterion_group!(benches, empty, filled, with_lines, diff);
const fn rect(size: u16) -> Rect {
Rect::new(0, 0, size, size)
@ -58,3 +61,37 @@ fn with_lines(c: &mut Criterion) {
}
group.finish();
}
fn diff(c: &mut Criterion) {
const AREA: Rect = Rect {
x: 0,
y: 0,
width: 200,
height: 50,
};
c.bench_function("buffer/diff", |b| {
let buffer_1 = create_random_buffer(AREA);
let buffer_2 = create_random_buffer(AREA);
b.iter(|| {
let _ = black_box(&buffer_1).diff(black_box(&buffer_2));
});
});
}
fn create_random_buffer(area: Rect) -> Buffer {
const PARAGRAPH_COUNT: i64 = 15;
const SENTENCE_COUNT: i64 = 5;
const WORD_COUNT: i64 = 20;
const SEPARATOR: &str = "\n\n";
let paragraphs = fakeit::words::paragraph(
PARAGRAPH_COUNT,
SENTENCE_COUNT,
WORD_COUNT,
SEPARATOR.to_string(),
);
let mut buffer = Buffer::empty(area);
for (line, row) in zip(paragraphs.lines(), area.rows()) {
Line::from(line).render(row, &mut buffer);
}
buffer
}