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qoi-bench: report MB/s, improve totals formatting

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This commit is contained in:
Ivan Smirnov 2022-01-06 03:08:38 +03:00
parent 7cadd4c03e
commit 7ac43c442c
1 changed files with 82 additions and 35 deletions
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97
bench/src/main.rs
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@ -115,6 +115,10 @@ impl Image {
pub const fn n_pixels(&self) -> usize {
(self.width as usize) * (self.height as usize)
}
pub const fn n_bytes(&self) -> usize {
self.n_pixels() * (self.channels as usize)
}
}
trait Codec {
@ -197,11 +201,12 @@ impl BenchResult {
struct ImageBench {
results: Vec<BenchResult>,
n_pixels: usize,
n_bytes: usize,
}
impl ImageBench {
pub fn new(img: &Image) -> Self {
Self { results: vec![], n_pixels: img.n_pixels() }
Self { results: vec![], n_pixels: img.n_pixels(), n_bytes: img.n_bytes() }
}
pub fn run<C: Codec>(&mut self, img: &Image, sec_allowed: f64) -> Result<()> {
@ -235,24 +240,30 @@ impl ImageBench {
}
pub fn report(&self, use_median: bool) {
let (w_name, w_col) = (11, 13);
let (w_name, w_col) = (9, 13);
print!("{:<w$}", "", w = w_name);
print!("{:>w$}", "decode:ms", w = w_col);
print!("{:>w$}", "encode:ms", w = w_col);
print!("{:>w$}", "decode:mp/s", w = w_col);
print!("{:>w$}", "encode:mp/s", w = w_col);
print!("{:>w$}", "decode:Mp/s", w = w_col);
print!("{:>w$}", "encode:Mp/s", w = w_col);
print!("{:>w$}", "decode:MB/s", w = w_col);
print!("{:>w$}", "encode:MB/s", w = w_col);
println!();
for r in &self.results {
let decode_sec = r.average_decode_sec(use_median);
let encode_sec = r.average_encode_sec(use_median);
let mpixels = self.n_pixels as f64 / 1e6;
let (decode_mpps, encode_mpps) = (mpixels / decode_sec, mpixels / encode_sec);
let mbytes = self.n_bytes as f64 / 1024. / 1024.;
let (decode_mbps, encode_mbps) = (mbytes / decode_sec, mbytes / encode_sec);
print!("{:<w$}", r.codec, w = w_name);
print!("{:>w$.2}", decode_sec * 1e3, w = w_col);
print!("{:>w$.2}", encode_sec * 1e3, w = w_col);
print!("{:>w$.1}", decode_mpps, w = w_col);
print!("{:>w$.1}", encode_mpps, w = w_col);
print!("{:>w$.1}", decode_mbps, w = w_col);
print!("{:>w$.1}", encode_mbps, w = w_col);
println!();
}
}
@ -272,61 +283,94 @@ impl BenchTotals {
self.results.push(b.clone())
}
pub fn report(&self, use_median: bool) {
pub fn report(&self, use_median: bool, fancy: bool) {
if self.results.is_empty() {
return;
}
let codec_names: Vec<_> = self.results[0].results.iter().map(|r| r.codec.clone()).collect();
let n_codecs = codec_names.len();
let (mut total_decode_sec, mut total_encode_sec, mut total_size) =
(vec![0.; n_codecs], vec![0.; n_codecs], 0);
let (mut total_decode_sec, mut total_encode_sec, mut n_pixels_total, mut n_bytes_total) =
(vec![0.; n_codecs], vec![0.; n_codecs], 0, 0);
for r in &self.results {
total_size += r.n_pixels;
n_pixels_total += r.n_pixels;
n_bytes_total += r.n_bytes;
for i in 0..n_codecs {
// sum of medians is not the median of sums, but w/e, good enough here
total_decode_sec[i] += r.results[i].average_decode_sec(use_median);
total_encode_sec[i] += r.results[i].average_encode_sec(use_median);
}
}
let mpixels = n_pixels_total as f64 / 1e6;
let mbytes = n_bytes_total as f64 / 1024. / 1024.;
let (w_name, w_col) = (11, 13);
println!("---");
println!(
"Overall results: ({} images, {:.1} MB):",
"Overall results: ({} images, {:.2} MB raw, {:.2} MP):",
self.results.len(),
total_size as f64 / 1024. / 1024.
mbytes,
mpixels
);
if fancy {
let (w_header, w_col) = (14, 12);
let n = n_codecs;
let print_sep = |s| print!("{}{:->w$}", s, "", w = w_header + n * w_col);
print_sep("");
print!("\n{:<w$}", "", w = w_header);
(0..n).for_each(|i| print!("{:>w$}", codec_names[i], w = w_col));
print_sep("\n");
// print!("\n{:<w$}", " ms", w = w_header);
// (0..n).for_each(|i| print!("{:>w$.2}", total_decode_sec[i] * 1e3, w = w_col));
print!("\n{:<w$}", "decode Mp/s", w = w_header);
(0..n).for_each(|i| print!("{:>w$.1}", mpixels / total_decode_sec[i], w = w_col));
print!("\n{:<w$}", " MB/s", w = w_header);
(0..n).for_each(|i| print!("{:>w$.1}", mbytes / total_decode_sec[i], w = w_col));
print_sep("\n");
// print!("\n{:<w$}", " ms", w = w_header);
// (0..n).for_each(|i| print!("{:>w$.2}", total_encode_sec[i] * 1e3, w = w_col));
print!("\n{:<w$}", "encode Mp/s", w = w_header);
(0..n).for_each(|i| print!("{:>w$.1}", mpixels / total_encode_sec[i], w = w_col));
print!("\n{:<w$}", " MB/s", w = w_header);
(0..n).for_each(|i| print!("{:>w$.1}", mbytes / total_encode_sec[i], w = w_col));
print_sep("\n");
println!();
} else {
let (w_name, w_col) = (9, 13);
println!("---");
print!("{:<w$}", "", w = w_name);
print!("{:>w$}", "decode:ms", w = w_col);
print!("{:>w$}", "encode:ms", w = w_col);
print!("{:>w$}", "decode:mp/s", w = w_col);
print!("{:>w$}", "encode:mp/s", w = w_col);
// print!("{:>w$}", "decode:ms", w = w_col);
// print!("{:>w$}", "encode:ms", w = w_col);
print!("{:>w$}", "decode:Mp/s", w = w_col);
print!("{:>w$}", "encode:Mp/s", w = w_col);
print!("{:>w$}", "decode:MB/s", w = w_col);
print!("{:>w$}", "encode:MB/s", w = w_col);
println!();
for (i, codec_name) in codec_names.iter().enumerate() {
let decode_sec = total_decode_sec[i];
let encode_sec = total_encode_sec[i];
let mpixels = total_size as f64 / 1e6;
let (decode_mpps, encode_mpps) = (mpixels / decode_sec, mpixels / encode_sec);
let (decode_mbps, encode_mbps) = (mbytes / decode_sec, mbytes / encode_sec);
print!("{:<w$}", codec_name, w = w_name);
print!("{:>w$.2}", decode_sec * 1e3, w = w_col);
print!("{:>w$.2}", encode_sec * 1e3, w = w_col);
// print!("{:>w$.2}", decode_sec * 1e3, w = w_col);
// print!("{:>w$.2}", encode_sec * 1e3, w = w_col);
print!("{:>w$.1}", decode_mpps, w = w_col);
print!("{:>w$.1}", encode_mpps, w = w_col);
print!("{:>w$.1}", decode_mbps, w = w_col);
print!("{:>w$.1}", encode_mbps, w = w_col);
println!();
}
}
}
}
fn bench_png(filename: &Path, seconds: f64, use_median: bool) -> Result<ImageBench> {
let f = filename.to_string_lossy();
let img = Image::read_png(filename).context(format!("error reading PNG file: {}", f))?;
let size_kb = fs::metadata(filename)?.len() / 1024;
let size_png_kb = fs::metadata(filename)?.len() / 1024;
let size_mb_raw = img.n_bytes() as f64 / 1024. / 1024.;
let mpixels = img.n_pixels() as f64 / 1e6;
println!(
"{} ({}x{}:{}, {} KB, {:.2}MP)",
f, img.width, img.height, img.channels, size_kb, mpixels
"{} ({}x{}:{}, {} KB png, {:.2} MB raw, {:.2} MP)",
f, img.width, img.height, img.channels, size_png_kb, size_mb_raw, mpixels
);
let mut bench = ImageBench::new(&img);
bench.run::<CodecQoiC>(&img, seconds)?;
@ -335,7 +379,7 @@ fn bench_png(filename: &Path, seconds: f64, use_median: bool) -> Result<ImageBen
Ok(bench)
}
fn bench_suite(files: &[PathBuf], seconds: f64, use_median: bool) -> Result<()> {
fn bench_suite(files: &[PathBuf], seconds: f64, use_median: bool, fancy: bool) -> Result<()> {
let mut totals = BenchTotals::new();
for file in files {
match bench_png(file, seconds, use_median) {
@ -344,7 +388,7 @@ fn bench_suite(files: &[PathBuf], seconds: f64, use_median: bool) -> Result<()>
}
}
if totals.results.len() > 1 {
totals.report(use_median);
totals.report(use_median, fancy);
}
Ok(())
}
@ -360,6 +404,9 @@ struct Args {
/// Use average (mean) instead of the median.
#[structopt(short, long)]
average: bool,
/// Simple totals, no fancy tables.
#[structopt(short, long)]
simple: bool,
}
fn main() -> Result<()> {
@ -367,6 +414,6 @@ fn main() -> Result<()> {
ensure!(!args.paths.is_empty(), "no input paths given");
let files = find_pngs(&args.paths)?;
ensure!(!files.is_empty(), "no PNG files found in given paths");
bench_suite(&files, args.seconds, !args.average)?;
bench_suite(&files, args.seconds, !args.average, !args.simple)?;
Ok(())
}