<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>alloc/rustc_arena - Criterion.rs</title> <style type="text/css"> body { font: 14px Helvetica Neue; text-rendering: optimizelegibility; } .body { width: 960px; margin: auto; } th { font-weight: 200 } th, td { padding-right: 3px; padding-bottom: 3px; } a:link { color: #1F78B4; text-decoration: none; } th.ci-bound { opacity: 0.6 } td.ci-bound { opacity: 0.5 } .stats { width: 80%; margin: auto; display: flex; } .additional_stats { flex: 0 0 60% } .additional_plots { flex: 1 } h2 { font-size: 36px; font-weight: 300; } h3 { font-size: 24px; font-weight: 300; } #footer { height: 40px; background: #888; color: white; font-size: larger; font-weight: 300; } #footer a { color: white; text-decoration: underline; } #footer p { text-align: center } </style> </head> <body> <div class="body"> <h2>alloc/rustc_arena</h2> <div class="absolute"> <section class="plots"> <table width="100%"> <tbody> <tr> <td> <a href="pdf.svg"> <img src="pdf_small.svg" alt="PDF of Slope" width="450" height="300" /> </a> </td> <td> <a href="regression.svg"> <img src="regression_small.svg" alt="Regression" width="450" height="300" /> </a> </td> </tr> </tbody> </table> </section> <section class="stats"> <div class="additional_stats"> <h4>Additional Statistics:</h4> <table> <thead> <tr> <th></th> <th title="0.95 confidence level" class="ci-bound">Lower bound</th> <th>Estimate</th> <th title="0.95 confidence level" class="ci-bound">Upper bound</th> </tr> </thead> <tbody> <tr> <td>Slope</td> <td class="ci-bound">3.3455 ms</td> <td>3.3705 ms</td> <td class="ci-bound">3.3846 ms</td> </tr> <tr> <td>R²</td> <td class="ci-bound">0.9975635</td> <td>0.9985778</td> <td class="ci-bound">0.9982554</td> </tr> <tr> <td>Mean</td> <td class="ci-bound">3.3086 ms</td> <td>3.3395 ms</td> <td class="ci-bound">3.3665 ms</td> </tr> <tr> <td title="Standard Deviation">Std. Dev.</td> <td class="ci-bound">21.001 µs</td> <td>49.758 µs</td> <td class="ci-bound">64.224 µs</td> </tr> <tr> <td>Median</td> <td class="ci-bound">3.3060 ms</td> <td>3.3513 ms</td> <td class="ci-bound">3.3748 ms</td> </tr> <tr> <td title="Median Absolute Deviation">MAD</td> <td class="ci-bound">9.9707 µs</td> <td>37.679 µs</td> <td class="ci-bound">81.334 µs</td> </tr> </tbody> </table> </div> <div class="additional_plots"> <h4>Additional Plots:</h4> <ul> <li> <a href="typical.svg">Typical</a> </li> <li> <a href="mean.svg">Mean</a> </li> <li> <a href="SD.svg">Std. Dev.</a> </li> <li> <a href="median.svg">Median</a> </li> <li> <a href="MAD.svg">MAD</a> </li> <li> <a href="slope.svg">Slope</a> </li> </ul> </div> </section> <section class="explanation"> <h4>Understanding this report:</h4> <p>The plot on the left displays the average time per iteration for this benchmark. The shaded region shows the estimated probability of an iteration taking a certain amount of time, while the line shows the mean. Click on the plot for a larger view showing the outliers.</p> <p>The plot on the right shows the linear regression calculated from the measurements. Each point represents a sample, though here it shows the total time for the sample rather than time per iteration. The line is the line of best fit for these measurements.</p> <p>See <a href="https://bheisler.github.io/criterion.rs/book/user_guide/command_line_output.html#additional-statistics">the documentation</a> for more details on the additional statistics.</p> </section> </div> <section class="plots"> <h3>Change Since Previous Benchmark</h3> <div class="relative"> <table width="100%"> <tbody> <tr> <td> <a href="both/pdf.svg"> <img src="relative_pdf_small.svg" alt="PDF Comparison" width="450" height="300" /> </a> </td> <td> <a href="both/regression.svg"> <img src="relative_regression_small.svg" alt="Regression Comparison" width="450" height="300" /> </a> </td> </tr> </tbody> </table> </div> </section> <section class="stats"> <div class="additional_stats"> <h4>Additional Statistics:</h4> <table> <thead> <tr> <th></th> <th title="0.95 confidence level" class="ci-bound">Lower bound</th> <th>Estimate</th> <th title="0.95 confidence level" class="ci-bound">Upper bound</th> <th></th> </tr> </thead> <tbody> <tr> <td>Change in time</td> <td class="ci-bound">-0.8808%</td> <td>+0.0879%</td> <td class="ci-bound">+1.0355%</td> <td>(p = 0.87 > 0.05)</td> </tr> </tbody> </table> No change in performance detected. </div> <div class="additional_plots"> <h4>Additional Plots:</h4> <ul> <li> <a href="change/mean.svg">Change in mean</a> </li> <li> <a href="change/median.svg">Change in median</a> </li> <li> <a href="change/t-test.svg">T-Test</a> </li> </ul> </div> </section> <section class="explanation"> <h4>Understanding this report:</h4> <p>The plot on the left shows the probability of the function taking a certain amount of time. The red curve represents the saved measurements from the last time this benchmark was run, while the blue curve shows the measurements from this run. The lines represent the mean time per iteration. Click on the plot for a larger view.</p> <p>The plot on the right shows the two regressions. Again, the red line represents the previous measurement while the blue line shows the current measurement.</p> <p>See <a href="https://bheisler.github.io/criterion.rs/book/user_guide/command_line_output.html#change">the documentation</a> for more details on the additional statistics.</p> </section> </div> <div id="footer"> <p>This report was generated by <a href="https://github.com/bheisler/criterion.rs">Criterion.rs</a>, a statistics-driven benchmarking library in Rust.</p> </div> </body> </html>