$WhiteListLangs = WhiteListUnique('lang.csv', $in);
// DATA ////////////////////////////////////////////////////
list($Mark, $valid) = ValidMark(TRUE);
list($Sort, $valid) = ValidSort($valid);
list($Test, $valid) = ValidTests($WhiteListTests, $valid);
list($BackText, $valid) = ValidLangs($WhiteListLangs, $valid);
list($Ratios, $valid) = ValidMatrix('r', 1, $valid);
for ($i = 0; $i < sizeof($Ratios); $i++) {
$Ratios[$i] = log10($Ratios[$i]);
}
// CHART //////////////////////////////////////////////////
$chart = new WideBarChart();
$chart->yAxis(log10axis(axis1000()));
if ($valid) {
$chart->backgroundText($BackText);
$chart->bars($Ratios);
$chart->notice($Mark);
$chart->xAxisLegend('selected ' . $Test[0] . ' programs');
if ($Sort == 'fullcpu') {
$titletext = $Test[0] . ' - How many times slower? (CPU secs)';
$yaxistext = 'program time ÷ fastest program time';
} elseif ($Sort == 'kb') {
$titletext = $Test[0] . ' - How many times more memory?';
$yaxistext = 'program memory-used ÷ least memory-used';
} elseif ($Sort == 'elapsed') {
$titletext = $Test[0] . ' - How many times slower? (Elapsed secs)';
$yaxistext = 'program time ÷ fastest program time';
} elseif ($Sort == 'gz') {
$titletext = $Test[0] . ' - How many times more code?';
$yaxistext = 'program code-used ÷ least code-used';
}
<?php
header("Content-type: image/png");
// Copyright (c) Isaac Gouy 2004-2011
// LIBRARIES ////////////////////////////////////////////////
require_once LIB_PATH . 'lib_whitelist.php';
require_once LIB_PATH . 'lib_chart.php';
SetChartCacheControl();
$in = WhiteListIn();
$WhiteListLangs = WhiteListUnique('lang.csv', $in);
// DATA ////////////////////////////////////////////////////
list($Mark, $valid) = ValidMark($HTTP_GET_VARS, TRUE);
list($BackText, $valid) = ValidLangs($HTTP_GET_VARS, $WhiteListLangs, $valid);
list($Values, $valid) = ValidMatrix($HTTP_GET_VARS, 'g', 1, $valid);
//for ($i=0;$i<sizeof($Values);$i++) $Values[$i] = log10($Values[$i]);
// CHART /////////////////////////////////////////////////////
$chart = new WideBarChart();
$chart->yAxis(axis10());
if ($valid) {
$chart->backgroundText($BackText);
$chart->bars($Values);
$chart->notice($Mark);
}
$chart->xAxisLegend('selected language implementations');
$chart->yAxisLegend('Weighted Geometric Mean - lowest is best');
$chart->title('Ten tiny tasks - How many times better?');
$chart->frame();
$chart->complete();