Running Criterion to evaluate the impact of a change from BTree to Vec

by cjoly 10 months ago

GNU/Linux ◆ foot ◆ fish 330 views

To create SQL migrations in rusqlite_migration from a directory containing SQL code, we were using a BTree but it turns out that using a Vec is much faster.

This is sped up. The outliers didn’t preclude getting consistent results.

Changes introduced in this PR.

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You can download this recording in asciicast v2 format, as a .cast file.

Download

Replay in terminal

You can replay the downloaded recording in your terminal using the asciinema play command:

asciinema play 592133.cast

If you don't have asciinema CLI installed then see installation instructions.

Use with stand-alone player on your website

Download asciinema player from the releases page (you only need .js and .css file), then use it like this:

<!DOCTYPE html>
<html>
<head>
  <link rel="stylesheet" type="text/css" href="asciinema-player.css" />
</head>
<body>
  <div id="player"></div>
  <script src="asciinema-player.min.js"></script>
  <script>
    AsciinemaPlayer.create(
      '/assets/592133.cast',
      document.getElementById('player'),
      { cols: 90, rows: 30 }
    );
  </script>
</body>
</html>

See asciinema player quick-start guide for full usage instructions.

While this site doesn't offer GIF conversion at the moment, you can still do it yourself with the help of asciinema GIF generator utility - agg.

Once you have it installed run the following command to create GIF file:

agg https://asciinema.org/a/592133 592133.gif

Or, if you already downloaded the recording file:

agg 592133.cast 592133.gif

Check agg --help for all available options. You can change font family and size, select color theme, adjust speed and more.

See agg manual for full usage instructions.