third_party/WebKit/PerformanceTests/Bindings/sequence-conversion-array.html - Issue 2821493002: bindings: Add performance test for JS->WebIDL sequence conversions.

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Unified Diff: third_party/WebKit/PerformanceTests/Bindings/sequence-conversion-array.html

Issue 2821493002: bindings: Add performance test for JS->WebIDL sequence conversions. (Closed)

Patch Set: Push empty strings into the array Created 3 years, 8 months ago

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Index: third_party/WebKit/PerformanceTests/Bindings/sequence-conversion-array.html

diff --git a/third_party/WebKit/PerformanceTests/Bindings/sequence-conversion-array.html b/third_party/WebKit/PerformanceTests/Bindings/sequence-conversion-array.html

new file mode 100644

index 0000000000000000000000000000000000000000..d0aa16c871c60a0c263223283b4b7a97c6aa5c9b

--- /dev/null

+++ b/third_party/WebKit/PerformanceTests/Bindings/sequence-conversion-array.html

@@ -0,0 +1,21 @@

+<!DOCTYPE html>

+<html>

+<body>

+<script src="../resources/runner.js"></script>

+<script>

+let dataArray = [];

+for (let i = 0; i < 100000; i++) {

+ // We are interested in the conversion of JS arrays to C++ sequences, not in

+ // the JS string to C++ string conversion, so just push empty strings into

+ // the array.

+ dataArray.push('');

+PerfTestRunner.measureRunsPerSecond({

+ description: "This benchmark measures the overhead of converting JavaScript objects into WebIDL sequences (fast path for arrays)",

+ run: function() {

+ new Blob(dataArray);

+ }});

+</script>

+</body>

+</html>

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