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#!/usr/bin/perl
use strict;
use warnings;
my @presets = ();
my %presets = ();
my $maxval = 0;
while (<>) {
chomp;
if (/^(.*)(#.*): ([\d\.]+)$/) {
push @presets, $1 unless defined $presets{$1};
push @{$presets{$1}}, $3;
$maxval = $3 if $maxval < $3;
}
}
print <<EOF;
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ASCII" />
<title>Puzzle generation-time benchmarks</title>
<script type="text/javascript">
//<![CDATA[
function choose_scale_ticks(scale) {
var nscale = 1, j = 0, factors = [2,2.5,2];
while (scale / nscale > 20) {
nscale *= factors[j];
j = (j+1) % factors.length;
}
return nscale;
}
function initPlots() {
var canvases = document.getElementsByTagName('canvas');
for (var i = 0; i < canvases.length; i++) {
var canvas = canvases[i];
var scale = eval(canvas.getAttribute("data-scale"));
var add = 20.5, mult = (canvas.width - 2*add) / scale;
var data = eval(canvas.getAttribute("data-points"));
var ctx = canvas.getContext('2d');
ctx.lineWidth = '1px';
ctx.lineCap = 'round';
ctx.lineJoin = 'round';
ctx.strokeStyle = ctx.fillStyle = '#000000';
if (data === "scale") {
// Draw scale.
ctx.font = "16px sans-serif";
ctx.textAlign = "center";
ctx.textBaseline = "alphabetic";
var nscale = choose_scale_ticks(scale);
for (var x = 0; x <= scale; x += nscale) {
ctx.beginPath();
ctx.moveTo(add+mult*x, canvas.height);
ctx.lineTo(add+mult*x, canvas.height - 3);
ctx.stroke();
ctx.fillText(x + "s", add+mult*x, canvas.height - 6);
}
} else {
// Draw a box plot.
function quantile(x) {
var n = (data.length * x) | 0;
return (data[n-1] + data[n]) / 2;
}
var q1 = quantile(0.25), q2 = quantile(0.5), q3 = quantile(0.75);
var iqr = q3 - q1;
var top = 0.5, bot = canvas.height - 1.5, mid = (top+bot)/2;
var wlo = null, whi = null; // whisker ends
ctx.strokeStyle = '#bbbbbb';
var nscale = choose_scale_ticks(scale);
for (var x = 0; x <= scale; x += nscale) {
ctx.beginPath();
ctx.moveTo(add+mult*x, 0);
ctx.lineTo(add+mult*x, canvas.height);
ctx.stroke();
}
ctx.strokeStyle = '#000000';
for (var j in data) {
var x = data[j];
if (x >= q1 - 1.5 * iqr && x <= q3 + 1.5 * iqr) {
if (wlo === null || wlo > x)
wlo = x;
if (whi === null || whi < x)
whi = x;
} else {
ctx.beginPath();
ctx.arc(add+mult*x, mid, 2, 0, 2*Math.PI);
ctx.stroke();
if (x >= q1 - 3 * iqr && x <= q3 + 3 * iqr)
ctx.fill();
}
}
ctx.beginPath();
// Box
ctx.moveTo(add+mult*q1, top);
ctx.lineTo(add+mult*q3, top);
ctx.lineTo(add+mult*q3, bot);
ctx.lineTo(add+mult*q1, bot);
ctx.closePath();
// Line at median
ctx.moveTo(add+mult*q2, top);
ctx.lineTo(add+mult*q2, bot);
// Lower whisker
ctx.moveTo(add+mult*q1, mid);
ctx.lineTo(add+mult*wlo, mid);
ctx.moveTo(add+mult*wlo, top);
ctx.lineTo(add+mult*wlo, bot);
// Upper whisker
ctx.moveTo(add+mult*q3, mid);
ctx.lineTo(add+mult*whi, mid);
ctx.moveTo(add+mult*whi, top);
ctx.lineTo(add+mult*whi, bot);
ctx.stroke();
}
}
}
//]]>
</script>
</head>
<body onLoad="initPlots();">
<h1 align=center>Puzzle generation-time benchmarks</h1>
<table>
<tr><th>Preset</th><td><canvas width=700 height=30 data-points='"scale"' data-scale="$maxval"></td></tr>
EOF
for my $preset (@presets) {
print "<tr><td>", &escape($preset), "</td><td><canvas width=700 height=15 data-points=\"[";
print join ",", sort { $a <=> $b } @{$presets{$preset}};
print "]\" data-scale=\"$maxval\"></td></tr>\n";
}
print <<EOF;
</body>
</html>
EOF
sub escape {
my ($text) = @_;
$text =~ s/&/&/g;
$text =~ s/</</g;
$text =~ s/>/>/g;
return $text;
}
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