tvl-depot/tvix/eval/benches/eval.rs
Ilan Joselevich f648f17ec3 feat(tvix): Jemalloc -> MiMalloc
Use the faster and newer MiMalloc memory allocator for all endpoints in
the workspace.

Change-Id: Ic60237284ed168e46ec6e8f28e2710bae4385c6f
Reviewed-on: https://cl.tvl.fyi/c/depot/+/12149
Tested-by: BuildkiteCI
Reviewed-by: aspen <root@gws.fyi>
2024-08-08 08:06:23 +00:00

42 lines
1.1 KiB
Rust

use criterion::{black_box, criterion_group, criterion_main, Criterion};
use itertools::Itertools;
use mimalloc::MiMalloc;
#[global_allocator]
static GLOBAL: MiMalloc = MiMalloc;
fn interpret(code: &str) {
tvix_eval::Evaluation::builder_pure()
.build()
.evaluate(code, None);
}
fn eval_literals(c: &mut Criterion) {
c.bench_function("int", |b| {
b.iter(|| {
interpret(black_box("42"));
})
});
}
fn eval_merge_attrs(c: &mut Criterion) {
c.bench_function("merge small attrs", |b| {
b.iter(|| {
interpret(black_box("{ a = 1; b = 2; } // { c = 3; }"));
})
});
c.bench_function("merge large attrs with small attrs", |b| {
let large_attrs = format!(
"{{{}}}",
(0..10000).map(|n| format!("a{n} = {n};")).join(" ")
);
let expr = format!("{large_attrs} // {{ c = 3; }}");
b.iter(move || {
interpret(black_box(&expr));
})
});
}
criterion_group!(benches, eval_literals, eval_merge_attrs);
criterion_main!(benches);