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// bench.rs
#![feature(test)]
extern crate podio;
extern crate test;
use test::Bencher;
use podio::{Endianness, BigEndian, LittleEndian, WritePodExt, ReadPodExt};
// bench: find the `BENCH_SIZE` first terms of the fibonacci sequence
const BENCH_SIZE: usize = 2000;
#[bench]
fn write_u64_be(b: &mut Bencher) {
write_u64::<BigEndian>(b);
}
#[bench]
fn write_u64_le(b: &mut Bencher) {
write_u64::<LittleEndian>(b);
}
fn write_u64<T: Endianness>(b: &mut Bencher) {
b.iter(|| {
let mut writer : &mut[u8] = &mut [0; BENCH_SIZE * 8];
for _ in 0..BENCH_SIZE {
writer.write_u64::<T>(0x012345678u64).unwrap();
}
})
}
#[bench]
fn read_u64_be(b: &mut Bencher) {
read_u64::<BigEndian>(b);
}
#[bench]
fn read_u64_le(b: &mut Bencher) {
read_u64::<LittleEndian>(b);
}
fn read_u64<T: Endianness>(b: &mut Bencher) {
b.iter(|| {
let mut reader : &[u8] = &[0; BENCH_SIZE * 8];
for _ in 0..BENCH_SIZE {
reader.read_u64::<T>().unwrap();
}
})
}
|
