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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
commit218caa410aa38c29984be31a5229b9fa717560ee (patch)
treec54bd55eeb6e4c508940a30e94c0032fbd45d677 /vendor/zip/benches
parentReleasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff)
downloadrustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz
rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/zip/benches')
-rw-r--r--vendor/zip/benches/read_entry.rs43
-rw-r--r--vendor/zip/benches/read_metadata.rs41
2 files changed, 84 insertions, 0 deletions
diff --git a/vendor/zip/benches/read_entry.rs b/vendor/zip/benches/read_entry.rs
new file mode 100644
index 000000000..af9affe31
--- /dev/null
+++ b/vendor/zip/benches/read_entry.rs
@@ -0,0 +1,43 @@
+use bencher::{benchmark_group, benchmark_main};
+
+use std::io::{Cursor, Read, Write};
+
+use bencher::Bencher;
+use getrandom::getrandom;
+use zip::{ZipArchive, ZipWriter};
+
+fn generate_random_archive(size: usize) -> Vec<u8> {
+ let data = Vec::new();
+ let mut writer = ZipWriter::new(Cursor::new(data));
+ let options =
+ zip::write::FileOptions::default().compression_method(zip::CompressionMethod::Stored);
+
+ writer.start_file("random.dat", options).unwrap();
+ let mut bytes = vec![0u8; size];
+ getrandom(&mut bytes).unwrap();
+ writer.write_all(&bytes).unwrap();
+
+ writer.finish().unwrap().into_inner()
+}
+
+fn read_entry(bench: &mut Bencher) {
+ let size = 1024 * 1024;
+ let bytes = generate_random_archive(size);
+ let mut archive = ZipArchive::new(Cursor::new(bytes.as_slice())).unwrap();
+
+ bench.iter(|| {
+ let mut file = archive.by_name("random.dat").unwrap();
+ let mut buf = [0u8; 1024];
+ loop {
+ let n = file.read(&mut buf).unwrap();
+ if n == 0 {
+ break;
+ }
+ }
+ });
+
+ bench.bytes = size as u64;
+}
+
+benchmark_group!(benches, read_entry);
+benchmark_main!(benches);
diff --git a/vendor/zip/benches/read_metadata.rs b/vendor/zip/benches/read_metadata.rs
new file mode 100644
index 000000000..51f1f69e8
--- /dev/null
+++ b/vendor/zip/benches/read_metadata.rs
@@ -0,0 +1,41 @@
+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<u8> {
+ 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_{}.dat",
+ i
+ );
+ 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);