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58 lines
2 KiB
Rust
Executable file
58 lines
2 KiB
Rust
Executable file
use azalea_nbt::Tag;
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use criterion::{criterion_group, criterion_main, Criterion, Throughput};
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use flate2::read::GzDecoder;
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use std::{
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fs::File,
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io::{self, Cursor, Read, Seek, SeekFrom},
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};
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fn bench_serialize(filename: &str, c: &mut Criterion) {
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let mut file = File::open(filename).unwrap();
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let mut contents = Vec::new();
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file.read_to_end(&mut contents).unwrap();
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let mut src = std::io::Cursor::new(&contents[..]);
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// decode the original src so most of the time isn't spent on unzipping
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let mut decoded_src_decoder = GzDecoder::new(&mut src);
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let mut decoded_src = Vec::new();
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decoded_src_decoder.read_to_end(&mut decoded_src).unwrap();
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let mut decoded_src_stream = std::io::Cursor::new(decoded_src.clone());
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file.seek(SeekFrom::Start(0)).unwrap();
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// run Tag::read(&mut decoded_src_stream) asynchronously
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let nbt = tokio::runtime::Runtime::new()
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.unwrap()
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.block_on(async { Tag::read(&mut decoded_src_stream).await.unwrap() });
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let mut group = c.benchmark_group(filename);
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group.throughput(Throughput::Bytes(decoded_src.len() as u64));
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group.bench_function("Decode", |b| {
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b.to_async(tokio::runtime::Runtime::new().unwrap())
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.iter(|| async {
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let mut owned_decoded_src_stream = decoded_src_stream.clone();
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owned_decoded_src_stream.seek(SeekFrom::Start(0)).unwrap();
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Tag::read(&mut owned_decoded_src_stream).await.unwrap();
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})
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});
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group.bench_function("Encode", |b| {
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b.iter(|| {
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nbt.write(&mut io::sink()).unwrap();
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})
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});
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group.finish();
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}
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fn bench(c: &mut Criterion) {
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bench_serialize("tests/bigtest.nbt", c);
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bench_serialize("tests/simple_player.dat", c);
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bench_serialize("tests/complex_player.dat", c);
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bench_serialize("tests/level.dat", c);
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bench_serialize("tests/stringtest.nbt", c);
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bench_serialize("tests/inttest.nbt", c);
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}
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criterion_group!(benches, bench);
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criterion_main!(benches);
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