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extern crate criterion;
pub use criterion::Criterion;
pub use criterion::black_box;
pub struct Bencher<'a> {
pub bytes: u64,
pub bencher: &'a mut ::criterion::Bencher,
}
impl<'a> Bencher<'a> {
pub fn iter<T, F>(&mut self, inner: F)
where F: FnMut() -> T
{
self.bencher.iter(inner);
}
}
#[macro_export]
macro_rules! benchmark_group {
($group_name:ident, $($function:path),+) => {
pub fn $group_name() {
use $crate::Criterion;
let mut criterion: Criterion = Criterion::default().configure_from_args();
$(
criterion.bench_function(stringify!($function), |b| {
let mut wrapped = $crate::Bencher {
bytes: 0,
bencher: b,
};
$function(&mut wrapped);
});
)+
}
};
($group_name:ident, $($function:path,)+) => {
benchmark_group!($group_name, $($function),+);
};
}
#[macro_export]
macro_rules! benchmark_main {
($($group_name:path),+) => {
fn main() {
$(
$group_name();
)+
$crate::Criterion::default()
.configure_from_args()
.final_summary();
}
};
($($group_name:path,)+) => {
benchmark_main!($($group_name),+);
};
}