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tests: Vendor blink perf tests (#38654)

Browse source 
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>
This commit is contained in:
Jonathan Schwender 2025-08-17 11:54:04 +02:00 • committed by GitHub
parent 7621332824
commit ee781b71b4
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1
tests/blink_perf_tests/perf_tests/parser/DIR_METADATA Normal file
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mixins: "//third_party/blink/renderer/core/html/parser/COMMON_METADATA"

1
tests/blink_perf_tests/perf_tests/parser/OWNERS Normal file
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file://third_party/blink/renderer/core/html/parser/OWNERS

2632
tests/blink_perf_tests/perf_tests/parser/css-parser-yui.html Normal file
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71
tests/blink_perf_tests/perf_tests/parser/declarative-shadow-dom-cloning.html Normal file
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<!DOCTYPE html>
<html>
<body>
<script src="../resources/runner.js"></script>
<script>
function createDeepShadowTemplateContent(levels, slotted) {
const nestedContent = levels > 0 ? createDeepShadowTemplateContent(levels-1) : '<span>End</span>';
if (slotted) {
return `<div><template shadowrootmode=open serializable><slot></slot></template>${nestedContent}</div>`;
} else {
return `<div><template shadowrootmode=open serializable>${nestedContent}</template></div>`;
}
}
const hostChildren = 100;
// Make sure the clone operation works
function testClone(template) {
const wrapper = document.createElement('div');
document.body.appendChild(wrapper);
wrapper.appendChild(template.content.cloneNode(true));
const templateHtml = template.getHTML({serializableShadowRoots: true});
const clonedHtml = wrapper.getHTML({serializableShadowRoots: true});
if (templateHtml !== clonedHtml) {
PerfTestRunner.logFatalError('Cloned template does not match original!');
}
wrapper.remove();
}
function buildTemplate(slotted) {
const template = document.createElement('template');
document.body.appendChild(template);
const html = createDeepShadowTemplateContent(hostChildren, slotted);
template.content.setHTMLUnsafe(html);
testClone(template);
return template;
}
// Build templates once
const templateSlotted = buildTemplate(true);
const templateNested = buildTemplate(false);
if (!templateSlotted.content.firstChild.shadowRoot) {
PerfTestRunner.logFatalError("Declarative Shadow DOM must be enabled for this test.");
}
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests cloning of templates containing declarative Shadow DOM",
setup: function() {
const wrapper = document.createElement('div');
wrapper.id = 'wrapper';
document.body.appendChild(wrapper);
},
run: function() {
const wrapper = document.querySelector('#wrapper');
for (var i = 0; i < 100; i++) {
wrapper.appendChild(templateSlotted.content.cloneNode(true));
wrapper.appendChild(templateNested.content.cloneNode(true));
}
},
teardown: function() {
wrapper.remove();
}});
</script>
</body>
</html>

20
tests/blink_perf_tests/perf_tests/parser/declarative-shadow-dom.html Normal file
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<!DOCTYPE html>
<body>
<pre id="log"></pre>
<div id=host></div>
<script src="../resources/runner.js"></script>
<script src="../shadow_dom/resources/declarative.js"></script>
<script>
const shadowHtml = getShadowMarkup(true, /*depth=*/4, /*copies=*/100);
const host = document.getElementById('host');
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests declarative Shadow DOM attachment",
run: function() {
host.replaceChildren();
parseAndAppend(host,shadowHtml);
}
});
</script>

22
tests/blink_perf_tests/perf_tests/parser/html-parser.html Normal file
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<!DOCTYPE html>
<body>
<script src="../resources/runner.js"></script>
<script>
var spec = PerfTestRunner.loadFile("resources/html5.html");
PerfTestRunner.measureTime({
description: "Measures performance of the HTML parser.",
run: function() {
var iframe = document.createElement("iframe");
iframe.style.display = "none"; // Prevent creation of the rendering tree, so we only test HTML parsing.
iframe.sandbox = 'allow-same-origin'; // Prevent external script loads which could cause write() to return before completing the parse.
document.body.appendChild(iframe);
iframe.contentDocument.open();
iframe.contentDocument.write(spec);
iframe.contentDocument.close();
document.body.removeChild(iframe);
}
});
</script>
</body>

16
tests/blink_perf_tests/perf_tests/parser/html5-full-render.html Normal file
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<!DOCTYPE html>
<body>
<script src="../resources/runner.js"></script>
<script>
// Running from the onload callback just makes the UI nicer as it shows the logs before starting the test.
window.onload = function() {
PerfTestRunner.measurePageLoadTime({
description: "Measures performance of a full HTML5 document load.",
path: "resources/html5.html",
// 6.09mb / 500k = approx 13 chunks (thus 13 forced layouts/style resolves).
chunkSize: 500000
});
};
</script>
</body>

16
tests/blink_perf_tests/perf_tests/parser/iframe-append-remove.html Normal file
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<!DOCTYPE html>
<html>
<body>
<script src="../resources/runner.js"></script>
<script>
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests adding/removing an iframe from the DOM",
run: function() {
var iframe = document.createElement("iframe");
document.body.appendChild(iframe);
document.body.removeChild(iframe);
}});
</script>
</body>
</html>

31
tests/blink_perf_tests/perf_tests/parser/innerHTML-setter-siblings.html Normal file
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<!DOCTYPE html>
<html>
<body>
<script src="../resources/runner.js"></script>
<script>
// Taken from http://jsperf.com/parse-html-type
// The major difference between this test and innerHTML-setter.html
// is that innerHTML-setter creates a single root node
// which avoids some of the costs in transplating nodes from the
// intermediary DocumentFragment to its final parent.
var tags = '<div></div><div></div><div></div><div></div><div></div>';
var attr = '<div foo="bar" foo="bar" foo="bar" foo="bar sda"></div>';
var nest = '<div><div><div><div><div></div></div></div></div></div>';
var tags10 = tags + tags + tags + tags + tags + tags + tags + tags + tags + tags;
var attr10 = attr + attr + attr + attr + attr + attr + attr + attr + attr + attr;
var nest10 = nest + nest + nest + nest + nest + nest + nest + nest + nest + nest;
var div = document.createElement('div');
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests innerHTML setter for a large DOM tree",
run: function() {
div.innerHTML = tags10;
div.innerHTML = attr10;
div.innerHTML = nest10;
div.innerHTML = "";
}});
</script>
</body>
</html>

22
tests/blink_perf_tests/perf_tests/parser/innerHTML-setter.html Normal file
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<!DOCTYPE html>
<html>
<body>
<script src="../resources/runner.js"></script>
<script>
function generateBinDOMTree(depth) {
return depth == 0 ? "text" : ("<div>" + generateBinDOMTree(depth - 1) + generateBinDOMTree(depth - 1) + "</div>");
}
var div = document.createElement("div");
document.body.appendChild(div);
var tree = generateBinDOMTree(10);
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests innerHTML setter for a large DOM tree",
run: function() {
div.innerHTML = tree;
div.innerHTML = "";
}});
</script>
</body>
</html>

61
tests/blink_perf_tests/perf_tests/parser/query-selector-all-attribute-complex.html Normal file
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<!DOCTYPE html>
<html>
<body>
<div class="foo" bar="baz">
<div class="foo" bar="baz">
<div class="foo" bar="baz">
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
</div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
</div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
</div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<script src="../resources/runner.js"></script>
<script>
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests querySelectorAll() on complex attributes",
run: function() {
for (var i = 0; i < 1000; i++) {
document.querySelectorAll("[bar^=baz]");
document.querySelectorAll("[bar*=baz]");
}
}});
</script>
</body>
</html>

61
tests/blink_perf_tests/perf_tests/parser/query-selector-all-attribute.html Normal file
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<!DOCTYPE html>
<html>
<body>
<div class="foo" bar="baz">
<div class="foo" bar="baz">
<div class="foo" bar="baz">
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
</div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
</div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
</div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<script src="../resources/runner.js"></script>
<script>
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests querySelectorAll() on attributes",
run: function() {
for (var i = 0; i < 1000; i++) {
document.querySelectorAll("[bar^=baz]");
document.querySelectorAll("[bar*=baz]");
}
}});
</script>
</body>
</html>

29
tests/blink_perf_tests/perf_tests/parser/query-selector-all-class-deep.html Normal file
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<!DOCTYPE html>
<html>
<body>
<script src="../resources/runner.js"></script>
<script>
var parentDiv = document.body;
for (var i = 0; i < 500; i++) {
var div = document.createElement("div");
div.id = "foo" + i;
div.className = "bar" + i;
parentDiv.appendChild(div);
parentDiv = div;
}
var h1 = document.createElement("h1");
h1.id = "id";
h1.className = "class";
parentDiv.appendChild(h1);
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests querySelectorAll() for an element that appears in the depths in the document, and is a descendant of an element with a given class name",
run: function() {
for (var i = 0; i < 100; i++) {
var res = document.querySelectorAll(".bar998 h1");
}
}});
</script>
</body>
</html>

16
tests/blink_perf_tests/perf_tests/parser/query-selector-all-class-first.html Normal file
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<!DOCTYPE html>
<html>
<body>
<h1 id="id" class="class"></h1>
<script src="../resources/runner.js"></script>
<script>
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests querySelectorAll() for an element that appears near the head of the document",
run: function() {
for (var i = 0; i < 1000; i++) {
document.querySelectorAll(".class");
}
}});
</script>
</body>
</html>

27
tests/blink_perf_tests/perf_tests/parser/query-selector-all-class-last.html Normal file
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<!DOCTYPE html>
<html>
<body>
<script src="../resources/runner.js"></script>
<script>
for (var i = 0; i < 1000; i++) {
var div = document.createElement("div");
div.id = "foo" + i;
div.className = "bar" + i;
document.body.appendChild(div);
}
var h1 = document.createElement("h1");
h1.id = "id";
h1.className = "class";
document.body.lastChild.appendChild(h1);
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests querySelectorAll() for an element that appears near the tail of the document, and is a child of an element with a given id",
run: function() {
for (var i = 0; i < 100; i++) {
var res = document.querySelectorAll(".bar999 > h1");
}
}});
</script>
</body>
</html>

61
tests/blink_perf_tests/perf_tests/parser/query-selector-all-class.html Normal file
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<!DOCTYPE html>
<html>
<body>
<div class="foo" bar="baz">
<div class="foo" bar="baz">
<div class="foo" bar="baz">
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
</div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
</div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
</div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<div class="foo" bar="baz"></div>
<script src="../resources/runner.js"></script>
<script>
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests querySelectorAll() on classes",
run: function() {
for (var i = 0; i < 1000; i++) {
document.querySelectorAll(".foo");
document.querySelectorAll("div.foo");
}
}});
</script>
</body>
</html>

31
tests/blink_perf_tests/perf_tests/parser/query-selector-all-deep.html Normal file
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<!DOCTYPE html>
<html>
<body>
<script src="../resources/runner.js"></script>
<script>
var parentDiv = document.body;
for (var i = 0; i < 500; i++) {
var div = document.createElement("div");
div.id = "foo" + i;
div.className = "bar" + i;
parentDiv.appendChild(div);
parentDiv = div;
}
var h1 = document.createElement("h1");
h1.id = "id";
h1.className = "class";
parentDiv.appendChild(h1);
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests querySelectorAll() for an element that appears in the depths in the document",
run: function() {
for (var i = 0; i < 100; i++) {
document.querySelectorAll("h1");
document.querySelectorAll("#id");
document.querySelectorAll(".class");
}
}});
</script>
</body>
</html>

18
tests/blink_perf_tests/perf_tests/parser/query-selector-all-first.html Normal file
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<!DOCTYPE html>
<html>
<body>
<h1 id="id" class="class"></h1>
<script src="../resources/runner.js"></script>
<script>
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests querySelectorAll() for an element that appears near the head of the document",
run: function() {
for (var i = 0; i < 1000; i++) {
document.querySelectorAll("h1");
document.querySelectorAll("#id");
document.querySelectorAll(".class");
}
}});
</script>
</body>
</html>

29
tests/blink_perf_tests/perf_tests/parser/query-selector-all-id-deep.html Normal file
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<!DOCTYPE html>
<html>
<body>
<script src="../resources/runner.js"></script>
<script>
var parentDiv = document.body;
for (var i = 0; i < 500; i++) {
var div = document.createElement("div");
div.id = "foo" + i;
div.className = "bar" + i;
parentDiv.appendChild(div);
parentDiv = div;
}
var h1 = document.createElement("h1");
h1.id = "id";
h1.className = "class";
parentDiv.appendChild(h1);
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests querySelectorAll() for an element that appears in the depths in the document, and is a descendant of an element with a given id",
run: function() {
for (var i = 0; i < 100; i++) {
var res = document.querySelectorAll("#foo998 h1");
}
}});
</script>
</body>
</html>

16
tests/blink_perf_tests/perf_tests/parser/query-selector-all-id-first.html Normal file
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<!DOCTYPE html>
<html>
<body>
<h1 id="id" class="class"></h1>
<script src="../resources/runner.js"></script>
<script>
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests querySelectorAll() for an element that appears near the head of the document",
run: function() {
for (var i = 0; i < 1000; i++) {
document.querySelectorAll("#id");
}
}});
</script>
</body>
</html>

27
tests/blink_perf_tests/perf_tests/parser/query-selector-all-id-last.html Normal file
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@ -0,0 +1,27 @@
<!DOCTYPE html>
<html>
<body>
<script src="../resources/runner.js"></script>
<script>
for (var i = 0; i < 1000; i++) {
var div = document.createElement("div");
div.id = "foo" + i;
div.className = "bar" + i;
document.body.appendChild(div);
}
var h1 = document.createElement("h1");
h1.id = "id";
h1.className = "class";
document.body.lastChild.appendChild(h1);
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests querySelectorAll() for an element that appears near the tail of the document, and is a child of an element with a given id",
run: function() {
for (var i = 0; i < 100; i++) {
var res = document.querySelectorAll("#foo999 > h1");
}
}});
</script>
</body>
</html>

29
tests/blink_perf_tests/perf_tests/parser/query-selector-all-last.html Normal file
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@ -0,0 +1,29 @@
<!DOCTYPE html>
<html>
<body>
<script src="../resources/runner.js"></script>
<script>
for (var i = 0; i < 1000; i++) {
var div = document.createElement("div");
div.id = "foo" + i;
div.className = "bar" + i;
document.body.appendChild(div);
}
var h1 = document.createElement("h1");
h1.id = "id";
h1.className = "class";
document.body.appendChild(h1);
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests querySelectorAll() for an element that appears near the tail of the document",
run: function() {
for (var i = 0; i < 100; i++) {
document.querySelectorAll("h1");
document.querySelectorAll("#id");
document.querySelectorAll(".class");
}
}});
</script>
</body>
</html>

31
tests/blink_perf_tests/perf_tests/parser/query-selector-deep.html Normal file
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<!DOCTYPE html>
<html>
<body>
<script src="../resources/runner.js"></script>
<script>
var parentDiv = document.body;
for (var i = 0; i < 100; i++) {
var div = document.createElement("div");
div.id = "foo" + i;
div.className = "bar" + i;
parentDiv.appendChild(div);
parentDiv = div;
}
var h1 = document.createElement("h1");
h1.id = "id";
h1.className = "class";
parentDiv.appendChild(h1);
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests querySelector() for an element that appears in the depths in the document",
run: function() {
for (var i = 0; i < 100; i++) {
document.querySelector("h1");
document.querySelector("#id");
document.querySelector(".class");
}
}});
</script>
</body>
</html>

18
tests/blink_perf_tests/perf_tests/parser/query-selector-first.html Normal file
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<!DOCTYPE html>
<html>
<body>
<h1 id="id" class="class"></h1>
<script src="../resources/runner.js"></script>
<script>
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests querySelector() for an element that appears near the head of the document",
run: function() {
for (var i = 0; i < 1000; i++) {
document.querySelector("h1");
document.querySelector("#id");
document.querySelector(".class");
}
}});
</script>
</body>
</html>

29
tests/blink_perf_tests/perf_tests/parser/query-selector-id-deep.html Normal file
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<!DOCTYPE html>
<html>
<body>
<script src="../resources/runner.js"></script>
<script>
var parentDiv = document.body;
for (var i = 0; i < 100; i++) {
var div = document.createElement("div");
div.id = "foo" + i;
div.className = "bar" + i;
parentDiv.appendChild(div);
parentDiv = div;
}
var h1 = document.createElement("h1");
h1.id = "id";
h1.className = "class";
parentDiv.appendChild(h1);
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests querySelector() for an element that appears in the depths in the document, and is a descendant of an element with a given id",
run: function() {
for (var i = 0; i < 100; i++) {
var res = document.querySelector("#foo98 h1");
}
}});
</script>
</body>
</html>

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<!DOCTYPE html>
<html>
<body>
<script src="../resources/runner.js"></script>
<script>
for (var i = 0; i < 1000; i++) {
var div = document.createElement("div");
div.id = "foo" + i;
div.className = "bar" + i;
document.body.appendChild(div);
}
var h1 = document.createElement("h1");
h1.id = "id";
h1.className = "class";
document.body.lastChild.appendChild(h1);
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests querySelector() for an element that appears near the tail of the document, and is a child of an element with a given id",
run: function() {
for (var i = 0; i < 100; i++) {
var res = document.querySelector("#foo999 > h1");
}
}});
</script>
</body>
</html>

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<!DOCTYPE html>
<html>
<body>
<script src="../resources/runner.js"></script>
<script>
for (var i = 0; i < 1000; i++) {
var div = document.createElement("div");
div.id = "foo" + i;
div.className = "bar" + i;
document.body.appendChild(div);
}
var h1 = document.createElement("h1");
h1.id = "id";
h1.className = "class";
document.body.appendChild(h1);
PerfTestRunner.measureRunsPerSecond({
description: "This benchmark tests querySelector() for an element that appears near the tail of the document",
run: function() {
for (var i = 0; i < 100; i++) {
document.querySelector("h1");
document.querySelector("#id");
document.querySelector(".class");
}
}});
</script>
</body>
</html>

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tests/blink_perf_tests/perf_tests/parser/simple-url.html Normal file
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<!DOCTYPE html>
<body>
<script src="../resources/runner.js"></script>
<script>
var anchor = document.createElement("a");
PerfTestRunner.measureRunsPerSecond({
description: "Measures performance of URL parsing by setting the href attribute on an <a> tag to a simple URL.",
run: function() {
for (var x = 0; x < 200000; x++) {
anchor.href = "http://www.apple.com/"
}
}
});
</script>
</body>

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tests/blink_perf_tests/perf_tests/parser/textarea-parsing.html Normal file
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<!DOCTYPE html>
<body>
<style>
textarea:valid {
background-color: lime;
}
textarea:invalid {
background-color: red;
}
</style>
<script src="../resources/runner.js"></script>
<div id="container"></div>
<script>
var htmlText = "<textarea maxlength=2147483647>";
for (var i = 0; i < 1000; ++i) {
htmlText += "A quick brown fox jumps over the lazy dog.\n" +
"A quick brown fox jumps over the lazy dog.\n" +
"<!-- comment -->\n";
}
htmlText += "</textarea>"
var container = document.getElementById('container');
PerfTestRunner.measureRunsPerSecond({
description: "Measures performance of parsing within a <textarea> tag.",
run: function() {
container.innerHTML = htmlText;
}
});
</script>
</body>

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tests/blink_perf_tests/perf_tests/parser/tiny-innerHTML.html Normal file
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<!DOCTYPE html>
<body>
<script src="../resources/runner.js"></script>
<script>
PerfTestRunner.measureRunsPerSecond({
description: "Measures performance of creating an element and setting a tiny amount of HTML.",
run: function() {
var testDiv = document.createElement("div");
testDiv.style.display = "none";
document.body.appendChild(testDiv);
for (var x = 0; x < 100000; x++) {
testDiv.innerHTML = "This is a tiny HTML document";
}
document.body.removeChild(testDiv);
}
});
</script>
</body>

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tests/blink_perf_tests/perf_tests/parser/url-parser.html Normal file
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<!DOCTYPE html>
<body>
<script src="../resources/runner.js"></script>
<script>
var urls = PerfTestRunner.loadFile("resources/final-url-en").split("\n");
var anchor = document.createElement("a");
PerfTestRunner.measureRunsPerSecond({
description: "Measures performance of URL parsing by setting the href attribute on an <a> tag to many different URLs.",
run: function() {
for (var x = 0; x < urls.length; x++) {
anchor.href = urls[x];
}
}
});
</script>
</body>

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<!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>