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fix benchmark

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Luke Page
2015-03-13 17:56:47 +00:00
parent 5651517f5f
commit c4fa45f3b9
1 changed files with 34 additions and 24 deletions
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58
benchmark/less-benchmark.js
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@@ -1,45 +1,55 @@
var path = require('path'),
fs = require('fs');
var less = require('../lib/less');
var less = require('../lib/less-node');
var file = path.join(__dirname, 'benchmark.less');
if (process.argv[2]) { file = path.join(process.cwd(), process.argv[2]) }
fs.readFile(file, 'utf8', function (e, data) {
var tree, css, start, end, total;
var start, end, total;
console.log("Benchmarking...\n", path.basename(file) + " (" +
parseInt(data.length / 1024) + " KB)", "");
start = new Date();
var benchMarkData = [];
new less.Parser().parse(data, function (err, tree) {
end = new Date();
total = end - start;
console.log("Parsing: " +
total + " ms (" +
Number(1000 / total * data.length / 1024) + " KB\/s)");
var totalruns = 100;
var ignoreruns = 30;
for(var i = 0; i < totalruns; i++) {
start = new Date();
css = tree.toCSS();
end = new Date();
console.log("Generation: " + (end - start) + " ms (" +
parseInt(1000 / (end - start) *
data.length / 1024) + " KB\/s)");
less.render(data, function (err) {
end = new Date();
total += end - start;
benchMarkData.push(end - start);
console.log("Total: " + total + "ms (" +
Number(1000 / total * data.length / 1024) + " KB/s)");
if (err) {
less.writeError(err);
process.exit(3);
}
});
}
var totalTime = 0;
var mintime = Infinity;
var maxtime = 0;
for(var i = ignoreruns; i < totalruns; i++) {
totalTime += benchMarkData[i];
mintime = Math.min(mintime, benchMarkData[i]);
maxtime = Math.max(maxtime, benchMarkData[i]);
}
var avgtime = totalTime / (totalruns - ignoreruns);
var variation = maxtime - mintime;
var variationperc = (variation / avgtime) * 100;
console.log("Min. Time: "+mintime + " ms");
console.log("Max. Time: "+maxtime + " ms");
console.log("Total Average Time: " + avgtime + " ms (" +
parseInt(1000 / avgtime *
data.length / 1024) + " KB\/s)");
console.log("+/- " + variationperc + "%");
if (err) {
less.writeError(err);
process.exit(3);
}
});
});