vendor/thread_local/benches/thread_local.rs

   1 extern crate criterion;
   2 extern crate thread_local;
   3
   4 use criterion::{black_box, BatchSize};
   5
   6 use thread_local::ThreadLocal;
   7
   8 fn main() {
   9     let mut c = criterion::Criterion::default().configure_from_args();
  10
  11     c.bench_function("get", |b| {
  12         let local = ThreadLocal::new();
  13         local.get_or(|| Box::new(0));
  14         b.iter(|| {
  15             black_box(local.get());
  16         });
  17     });
  18
  19     c.bench_function("insert", |b| {
  20         b.iter_batched_ref(
  21             ThreadLocal::new,
  22             |local| {
  23                 black_box(local.get_or(|| 0));
  24             },
  25             BatchSize::SmallInput,
  26         )
  27     });
  28 }