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#![feature(test)] | |
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(); | |
compressed | |
}); | |
} | |
fn decompress_after_compress_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(); | |
decomp | |
}); | |
} | |
fn decompress_bench(compressed: &[u8], b: &mut Bencher) { | |
b.iter(|| { | |
let mut bf = std::io::BufReader::new(compressed); | |
let mut decomp: Vec<u8> = Vec::new(); | |
lzma_rs::lzma_decompress(&mut bf, &mut decomp).unwrap(); | |
decomp | |
}); | |
} | |
#[cfg(feature = "stream")] | |
fn decompress_stream_bench(compressed: &[u8], b: &mut Bencher) { | |
use std::io::Write; | |
b.iter(|| { | |
let mut stream = lzma_rs::decompress::Stream::new(Vec::new()); | |
stream.write_all(compressed).unwrap(); | |
stream.finish().unwrap() | |
}); | |
} | |
fn decompress_bench_file(compfile: &str, b: &mut Bencher) { | |
let mut f = std::fs::File::open(compfile).unwrap(); | |
let mut compressed = Vec::new(); | |
f.read_to_end(&mut compressed).unwrap(); | |
decompress_bench(&compressed, b); | |
} | |
#[cfg(feature = "stream")] | |
fn decompress_stream_bench_file(compfile: &str, b: &mut Bencher) { | |
let mut f = std::fs::File::open(compfile).unwrap(); | |
let mut compressed = Vec::new(); | |
f.read_to_end(&mut compressed).unwrap(); | |
decompress_stream_bench(&compressed, b); | |
} | |
#[bench] | |
fn compress_empty(b: &mut Bencher) { | |
#[cfg(feature = "enable_logging")] | |
let _ = env_logger::try_init(); | |
compress_bench(b"", b); | |
} | |
#[bench] | |
fn decompress_after_compress_empty(b: &mut Bencher) { | |
#[cfg(feature = "enable_logging")] | |
let _ = env_logger::try_init(); | |
decompress_after_compress_bench(b"", b); | |
} | |
#[bench] | |
fn compress_hello(b: &mut Bencher) { | |
#[cfg(feature = "enable_logging")] | |
let _ = env_logger::try_init(); | |
compress_bench(b"Hello world", b); | |
} | |
#[bench] | |
fn decompress_after_compress_hello(b: &mut Bencher) { | |
#[cfg(feature = "enable_logging")] | |
let _ = env_logger::try_init(); | |
decompress_after_compress_bench(b"Hello world", b); | |
} | |
#[bench] | |
fn compress_65536(b: &mut Bencher) { | |
#[cfg(feature = "enable_logging")] | |
let _ = env_logger::try_init(); | |
compress_bench(&[0; 0x10000], b); | |
} | |
#[bench] | |
fn decompress_after_compress_65536(b: &mut Bencher) { | |
#[cfg(feature = "enable_logging")] | |
let _ = env_logger::try_init(); | |
decompress_after_compress_bench(&[0; 0x10000], b); | |
} | |
#[bench] | |
fn decompress_big_file(b: &mut Bencher) { | |
#[cfg(feature = "enable_logging")] | |
let _ = env_logger::try_init(); | |
decompress_bench_file("tests/files/foo.txt.lzma", b); | |
} | |
#[cfg(feature = "stream")] | |
#[bench] | |
fn decompress_stream_big_file(b: &mut Bencher) { | |
#[cfg(feature = "enable_logging")] | |
let _ = env_logger::try_init(); | |
decompress_stream_bench_file("tests/files/foo.txt.lzma", b); | |
} | |
#[bench] | |
fn decompress_huge_dict(b: &mut Bencher) { | |
#[cfg(feature = "enable_logging")] | |
let _ = env_logger::try_init(); | |
let compressed: &[u8] = b"\x5d\x7f\x7f\x7f\x7f\xff\xff\xff\ | |
\xff\xff\xff\xff\xff\x00\x24\x19\ | |
\x49\x98\x6f\x10\x19\xc6\xd7\x31\ | |
\xeb\x36\x50\xb2\x98\x48\xff\xfe\ | |
\xa5\xb0\x00"; | |
decompress_bench(&compressed, b); | |
} |