From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- third_party/rust/zip/benches/read_metadata.rs | 38 +++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 third_party/rust/zip/benches/read_metadata.rs (limited to 'third_party/rust/zip/benches/read_metadata.rs') diff --git a/third_party/rust/zip/benches/read_metadata.rs b/third_party/rust/zip/benches/read_metadata.rs new file mode 100644 index 0000000000..95334b1c5a --- /dev/null +++ b/third_party/rust/zip/benches/read_metadata.rs @@ -0,0 +1,38 @@ +use bencher::{benchmark_group, benchmark_main}; + +use std::io::{Cursor, Write}; + +use bencher::Bencher; +use zip::{ZipArchive, ZipWriter}; + +const FILE_COUNT: usize = 15_000; +const FILE_SIZE: usize = 1024; + +fn generate_random_archive(count_files: usize, file_size: usize) -> Vec { + let data = Vec::new(); + let mut writer = ZipWriter::new(Cursor::new(data)); + let options = + zip::write::FileOptions::default().compression_method(zip::CompressionMethod::Stored); + + let bytes = vec![0u8; file_size]; + + for i in 0..count_files { + let name = format!("file_deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef_{i}.dat"); + writer.start_file(name, options).unwrap(); + writer.write_all(&bytes).unwrap(); + } + + writer.finish().unwrap().into_inner() +} + +fn read_metadata(bench: &mut Bencher) { + let bytes = generate_random_archive(FILE_COUNT, FILE_SIZE); + + bench.iter(|| { + let archive = ZipArchive::new(Cursor::new(bytes.as_slice())).unwrap(); + archive.len() + }); +} + +benchmark_group!(benches, read_metadata); +benchmark_main!(benches); -- cgit v1.2.3