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Add relative speed to markdown export
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parent
e09707c90f
commit
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@ -1,6 +1,7 @@
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use super::Exporter;
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use crate::hyperfine::format::format_duration_value;
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use crate::hyperfine::internal::{compute_relative_speed, BenchmarkResultWithRelativeSpeed};
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use crate::hyperfine::types::BenchmarkResult;
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use crate::hyperfine::units::Unit;
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@ -22,10 +23,12 @@ impl Exporter for MarkdownExporter {
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Unit::Second
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};
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let annotated_results = compute_relative_speed(&results);
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let mut destination = start_table(unit);
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for result in results {
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add_table_row(&mut destination, result, unit);
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for result in annotated_results {
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add_table_row(&mut destination, &result, unit);
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}
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Ok(destination)
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@ -34,7 +37,7 @@ impl Exporter for MarkdownExporter {
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fn table_header(unit_short_name: String) -> String {
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format!(
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"| Command | Mean [{unit}] | Min…Max [{unit}] |\n|:---|---:|---:|\n",
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"| Command | Mean [{unit}] | Min…Max [{unit}] | Relative |\n|:---|---:|---:|---:|\n",
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unit = unit_short_name
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)
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}
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@ -43,20 +46,23 @@ fn start_table(unit: Unit) -> Vec<u8> {
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table_header(unit.short_name()).bytes().collect()
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}
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fn add_table_row(dest: &mut Vec<u8>, entry: &BenchmarkResult, unit: Unit) {
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let mean_str = format_duration_value(entry.mean, Some(unit)).0;
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let stddev_str = format_duration_value(entry.stddev, Some(unit)).0;
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let min_str = format_duration_value(entry.min, Some(unit)).0;
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let max_str = format_duration_value(entry.max, Some(unit)).0;
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fn add_table_row(dest: &mut Vec<u8>, entry: &BenchmarkResultWithRelativeSpeed, unit: Unit) {
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let result = &entry.result;
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let mean_str = format_duration_value(result.mean, Some(unit)).0;
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let stddev_str = format_duration_value(result.stddev, Some(unit)).0;
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let min_str = format_duration_value(result.min, Some(unit)).0;
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let max_str = format_duration_value(result.max, Some(unit)).0;
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let rel_str = format!("{:.1}", entry.relative_speed);
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dest.extend(
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format!(
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"| `{command}` | {mean} ± {stddev} | {min}…{max} |\n",
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command = entry.command.replace("|", "\\|"),
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"| `{command}` | {mean} ± {stddev} | {min}…{max} | {rel} |\n",
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command = result.command.replace("|", "\\|"),
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mean = mean_str,
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stddev = stddev_str,
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min = min_str,
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max = max_str,
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rel = rel_str,
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)
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.as_bytes(),
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);
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@ -102,8 +108,8 @@ fn test_markdown_format_ms() {
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let formatted_expected = format!(
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"{}\
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| `sleep 0.1` | 105.7 ± 1.6 | 102.3…108.0 |
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| `sleep 2` | 2005.0 ± 2.0 | 2002.0…2008.0 |
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| `sleep 0.1` | 105.7 ± 1.6 | 102.3…108.0 | 1.0 |
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| `sleep 2` | 2005.0 ± 2.0 | 2002.0…2008.0 | 19.0 |
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",
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table_header("ms".to_string())
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);
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@ -147,8 +153,8 @@ fn test_markdown_format_s() {
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let formatted_expected = format!(
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"{}\
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| `sleep 2` | 2.005 ± 0.002 | 2.002…2.008 |
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| `sleep 0.1` | 0.106 ± 0.002 | 0.102…0.108 |
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| `sleep 2` | 2.005 ± 0.002 | 2.002…2.008 | 19.0 |
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| `sleep 0.1` | 0.106 ± 0.002 | 0.102…0.108 | 1.0 |
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",
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table_header("s".to_string())
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);
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@ -196,8 +202,8 @@ fn test_markdown_format_time_unit_s() {
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let formatted_expected = format!(
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"{}\
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| `sleep 0.1` | 0.106 ± 0.002 | 0.102…0.108 |
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| `sleep 2` | 2.005 ± 0.002 | 2.002…2.008 |
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| `sleep 0.1` | 0.106 ± 0.002 | 0.102…0.108 | 1.0 |
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| `sleep 2` | 2.005 ± 0.002 | 2.002…2.008 | 19.0 |
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",
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table_header("s".to_string())
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);
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@ -246,8 +252,8 @@ fn test_markdown_format_time_unit_ms() {
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let formatted_expected = format!(
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"{}\
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| `sleep 2` | 2005.0 ± 2.0 | 2002.0…2008.0 |
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| `sleep 0.1` | 105.7 ± 1.6 | 102.3…108.0 |
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| `sleep 2` | 2005.0 ± 2.0 | 2002.0…2008.0 | 19.0 |
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| `sleep 0.1` | 105.7 ± 1.6 | 102.3…108.0 | 1.0 |
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",
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table_header("ms".to_string())
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);
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@ -47,9 +47,9 @@ pub fn min(vals: &[f64]) -> f64 {
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}
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pub struct BenchmarkResultWithRelativeSpeed<'a> {
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result: &'a BenchmarkResult,
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relative_speed: Scalar,
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relative_speed_stddev: Scalar,
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pub result: &'a BenchmarkResult,
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pub relative_speed: Scalar,
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pub relative_speed_stddev: Scalar,
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}
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fn compare_mean_time(l: &BenchmarkResult, r: &BenchmarkResult) -> Ordering {
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@ -72,9 +72,8 @@ pub fn compute_relative_speed<'a>(
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// https://en.wikipedia.org/wiki/Propagation_of_uncertainty#Example_formulas
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// Covariance asssumed to be 0, i.e. variables are assumed to be independent
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let ratio_stddev = ratio
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* ((result.stddev / result.mean).powi(2)
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+ (fastest.stddev / fastest.mean).powi(2))
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.sqrt();
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* ((result.stddev / result.mean).powi(2) + (fastest.stddev / fastest.mean).powi(2))
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.sqrt();
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BenchmarkResultWithRelativeSpeed {
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result,
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@ -122,18 +121,16 @@ fn test_max() {
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fn test_compute_relative_speed() {
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use approx::assert_relative_eq;
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let create_result = |name: &str, mean| {
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BenchmarkResult {
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command: name.into(),
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mean: mean,
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stddev: 1.0,
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user: mean,
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system: 0.0,
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min: mean,
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max: mean,
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times: None,
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parameter: None,
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}
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let create_result = |name: &str, mean| BenchmarkResult {
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command: name.into(),
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mean: mean,
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stddev: 1.0,
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user: mean,
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system: 0.0,
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min: mean,
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max: mean,
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times: None,
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parameter: None,
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};
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let results = vec![
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