mirror of
https://github.com/arabianq/pipewire-soundpad.git
synced 2026-06-19 12:13:32 +00:00
google-labs-jules[bot]
426056e85e
💡 **What:** Moved the check for supported audio file extensions from the GUI rendering loop into the directory read/caching layer. 🎯 **Why:** The file extension string parsing and check was executing on every frame of the render loop for every file listed, causing unnecessary CPU overhead. By caching the pre-filtered items, we only execute the check once per directory load. 📊 **Measured Improvement:** In a micro-benchmark simulating 10k files (with 50% matching extensions), the unoptimized loop took ~14.2ms to execute, while the optimized loop takes ~5.8ms. This yields a ~59% speed improvement in the iteration logic over the baseline. Co-authored-by: arabianq <55220741+arabianq@users.noreply.github.com>
90 lines
2.7 KiB
Rust
90 lines
2.7 KiB
Rust
use criterion::{Criterion, black_box, criterion_group, criterion_main};
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use std::path::PathBuf;
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fn simulate_loop(children: &[PathBuf], search_query: &str) -> usize {
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let mut count = 0;
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for child in children {
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if !child.is_dir() {
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let ext = child
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.extension()
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.unwrap_or_default()
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.to_str()
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.unwrap_or_default();
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let supported = [
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"mp3", "wav", "ogg", "flac", "mp4", "m4a", "aac", "mov", "mkv", "mka", "webm",
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"avi", "opus",
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];
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if !supported.contains(&ext) {
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continue;
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}
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if !search_query.is_empty() {
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let file_name = child
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.file_name()
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.unwrap_or_default()
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.to_string_lossy()
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.to_string();
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if !file_name.to_lowercase().contains(search_query) {
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continue;
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}
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}
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}
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count += 1;
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}
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count
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}
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fn simulate_optimized_loop(children: &[PathBuf], search_query: &str) -> usize {
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let mut count = 0;
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for child in children {
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if !child.is_dir()
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&& !search_query.is_empty() {
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let file_name = child
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.file_name()
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.unwrap_or_default()
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.to_string_lossy()
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.to_string();
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if !file_name.to_lowercase().contains(search_query) {
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continue;
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}
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}
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count += 1;
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}
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count
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}
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fn benchmark(c: &mut Criterion) {
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let mut children = Vec::new();
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for i in 0..10000 {
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let ext = if i % 2 == 0 { "mp3" } else { "txt" };
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children.push(PathBuf::from(format!("file_{}.{}", i, ext)));
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}
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let search_query = "";
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c.bench_function("unoptimized_loop", |b| {
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b.iter(|| simulate_loop(black_box(&children), black_box(search_query)))
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});
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let filtered_children: Vec<_> = children
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.into_iter()
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.filter(|child| {
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let ext = child
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.extension()
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.unwrap_or_default()
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.to_str()
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.unwrap_or_default();
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let supported = [
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"mp3", "wav", "ogg", "flac", "mp4", "m4a", "aac", "mov", "mkv", "mka", "webm",
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"avi", "opus",
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];
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supported.contains(&ext)
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})
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.collect();
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c.bench_function("optimized_loop", |b| {
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b.iter(|| simulate_optimized_loop(black_box(&filtered_children), black_box(search_query)))
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});
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}
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criterion_group!(benches, benchmark);
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criterion_main!(benches);
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