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[ty] Add micro-benchmark for #711 (#18979)

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## Summary

Add a benchmark for the problematic case in
https://github.com/astral-sh/ty/issues/711, which will potentially be
solved in https://github.com/astral-sh/ruff/pull/18955
This commit is contained in:
David Peter 2025-06-27 11:34:51 +02:00 • committed by GitHub
parent e5e3d998c5
commit 3c18d85c7d
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1 changed files with 49 additions and 3 deletions
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52
crates/ruff_benchmark/benches/ty.rs
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@ -348,10 +348,10 @@ fn benchmark_many_tuple_assignments(criterion: &mut Criterion) {
});
}
fn benchmark_many_attribute_assignments(criterion: &mut Criterion) {
fn benchmark_complex_constrained_attributes_1(criterion: &mut Criterion) {
setup_rayon();
criterion.bench_function("ty_micro[many_attribute_assignments]", |b| {
criterion.bench_function("ty_micro[complex_constrained_attributes_1]", |b| {
b.iter_batched_ref(
|| {
// This is a regression benchmark for https://github.com/astral-sh/ty/issues/627.
@ -400,6 +400,51 @@ fn benchmark_many_attribute_assignments(criterion: &mut Criterion) {
});
}
fn benchmark_complex_constrained_attributes_2(criterion: &mut Criterion) {
setup_rayon();
criterion.bench_function("ty_micro[complex_constrained_attributes_2]", |b| {
b.iter_batched_ref(
|| {
// This is is similar to the case above, but now the attributes are actually defined.
// https://github.com/astral-sh/ty/issues/711
setup_micro_case(
r#"
class C:
def f(self: "C"):
self.a = ""
self.b = ""
if isinstance(self.a, str):
return
if isinstance(self.b, str):
return
if isinstance(self.b, str):
return
if isinstance(self.b, str):
return
if isinstance(self.b, str):
return
if isinstance(self.b, str):
return
if isinstance(self.b, str):
return
if isinstance(self.b, str):
return
"#,
)
},
|case| {
let Case { db, .. } = case;
let result = db.check();
assert_eq!(result.len(), 0);
},
BatchSize::SmallInput,
);
});
}
struct ProjectBenchmark<'a> {
project: InstalledProject<'a>,
fs: MemoryFileSystem,
@ -534,7 +579,8 @@ criterion_group!(
micro,
benchmark_many_string_assignments,
benchmark_many_tuple_assignments,
benchmark_many_attribute_assignments,
benchmark_complex_constrained_attributes_1,
benchmark_complex_constrained_attributes_2,
);
criterion_group!(project, anyio, attrs, hydra);
criterion_main!(check_file, micro, project);