Criterion Inverted Throughput

Custom criterion measurement to get thropughts in the format [time]/[element or byte]

Description

With deafult criterion config, result of throughput measurement is printed like:

time:   [2.8617 µs 2.8728 µs 2.8850 µs]
thrpt:  [14.558 Melem/s 14.620 Melem/s 14.677 Melem/s]

Throughput is got in the format [elements or bytes]/s. It is fine as a throughput, but sometimes we want to get how much time is cost per 1 element or byte.

Using this crate, we can got it in the format [time]/[element or byte] without post-processing calculations, like:

time:   [2.8581 µs 2.8720 µs 2.8917 µs]
thrpt:  [68.849 ns/elem 68.381 ns/elem 68.049 ns/elem]

Usage

Specify InvertedThroughput as the measurement in your benchmarks.

Example

criterion_group!(
    name = Fum;
    // specify `InvertedThroughput` as measurement
    config = Criterion::default().with_measurement(InvertedThroughput::new());
    targets = bench_foo
);
criterion_main!(Foo);