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ee781b71b4
Vendors the [blink perf tests](https://chromium.googlesource.com/chromium/src/+/HEAD/third_party/blink/perf_tests/). These perf tests are useful to evaluate the performance of servo. The license that governs the perf tests is included in the folder. Running benchmark cases automatically is left to future work. The update.py script is taken from mozjs and slightly adapted, so we can easily filter (and patch if this should be necessary in the future. Testing: This PR just adds the perf_tests, but does not use or modify them in any way. --------- Signed-off-by: Jonathan Schwender <schwenderjonathan@gmail.com>
44 lines
No EOL
1.3 KiB
HTML
Vendored
44 lines
No EOL
1.3 KiB
HTML
Vendored
<!DOCTYPE html>
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<html>
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<head>
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<script src="../resources/runner.js"></script>
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<script src="resources/utils.js"></script>
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<style type="text/css">
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/*
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We are attempting to manipulate 'expensive' properties here.
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*/
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#item {
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background-color: red;
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border-radius: 5px;
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padding: 3px;
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box-shadow: 0 5px 5px #000;
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transform: rotate(10deg);
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display: block;
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}
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</style>
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</head>
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<body>
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</body>
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<script>
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createShallowDOMTree();
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var allElements = document.body.getElementsByTagName("div");
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var length = allElements.length
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PerfTestRunner.measureTime({
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description: "Measures the performance of changing the style of an element in a shallow and broad tree",
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run: function() {
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for (var i=0; i < length; i++) {
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allElements[i].id = "item";
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forceStyleRecalc(allElements[i]);
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allElements[i].id = "";
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forceStyleRecalc(allElements[i]);
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}
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},
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tracingCategories: 'blink',
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traceEventsToMeasure: [
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'Document::updateStyle',
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'Document::recalcStyle',
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'Document::rebuildLayoutTree'
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]
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});
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</script>
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</html> |