tvl-depot/tvix/eval/benches/eval.rs

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use criterion::{black_box, criterion_group, criterion_main, Criterion};
use itertools::Itertools;
#[cfg(not(target_env = "msvc"))]
use tikv_jemallocator::Jemalloc;
#[cfg(not(target_env = "msvc"))]
#[global_allocator]
static GLOBAL: Jemalloc = Jemalloc;
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);