/
lzma.rs
75 lines (62 loc) · 1.78 KB
/
lzma.rs
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#![feature(test)]
extern crate env_logger;
extern crate lzma_rs;
extern crate test;
use std::io::Read;
use test::Bencher;
fn compress_bench(x: &[u8], b: &mut Bencher) {
b.iter(|| {
let mut compressed: Vec<u8> = Vec::new();
lzma_rs::lzma_compress(&mut std::io::BufReader::new(x), &mut compressed).unwrap();
});
}
fn decompress_bench(x: &[u8], b: &mut Bencher) {
let mut compressed: Vec<u8> = Vec::new();
lzma_rs::lzma_compress(&mut std::io::BufReader::new(x), &mut compressed).unwrap();
b.iter(|| {
let mut bf = std::io::BufReader::new(compressed.as_slice());
let mut decomp: Vec<u8> = Vec::new();
lzma_rs::lzma_decompress(&mut bf, &mut decomp).unwrap();
});
}
fn decompress_bench_file(compfile: &str, b: &mut Bencher) {
let mut f = std::fs::File::open(compfile).unwrap();
let mut buf = Vec::new();
f.read_to_end(&mut buf).unwrap();
decompress_bench(&buf, b);
}
#[bench]
fn compress_empty(b: &mut Bencher) {
let _ = env_logger::try_init();
compress_bench(b"", b);
}
#[bench]
fn decompress_empty(b: &mut Bencher) {
let _ = env_logger::try_init();
decompress_bench(b"", b);
}
#[bench]
fn compress_hello(b: &mut Bencher) {
let _ = env_logger::try_init();
compress_bench(b"Hello world", b);
}
#[bench]
fn decompress_hello(b: &mut Bencher) {
let _ = env_logger::try_init();
decompress_bench(b"Hello world", b);
}
#[bench]
fn compress_65536(b: &mut Bencher) {
let _ = env_logger::try_init();
compress_bench(&[0; 0x10000], b);
}
#[bench]
fn decompress_65536(b: &mut Bencher) {
let _ = env_logger::try_init();
decompress_bench(&[0; 0x10000], b);
}
#[bench]
fn decompress_big_file(b: &mut Bencher) {
let _ = env_logger::try_init();
decompress_bench_file("tests/files/foo.txt.lzma", b);
}