chromium/third_party/blink/perf_tests/parser/xml-parser.html

<!DOCTYPE html>
<body>
<script src="../resources/runner.js"></script>
<script>
var domParser = new DOMParser();
var xmlArray = [];

xmlArray.push('<root>');
for (var i = 0; i < 0x7FFF; ++i)
    xmlArray.push('<item attribute1="value1" attribute2="value2" attribute3="value3" attribute4="value4" attribute5="value5" />');
xmlArray.push('</root>')
var xmlData = xmlArray.join('');

PerfTestRunner.measureRunsPerSecond({
    description: "Measures performance of the XML parser.",
    run: function() {
        domParser.parseFromString(xmlData, "text/xml");
    }
});
</script>
</body>