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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /testing/web-platform/tests/tools/pywebsocket/src/example/arraybuffer_benchmark.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'testing/web-platform/tests/tools/pywebsocket/src/example/arraybuffer_benchmark.html')
| -rw-r--r-- | testing/web-platform/tests/tools/pywebsocket/src/example/arraybuffer_benchmark.html | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/example/arraybuffer_benchmark.html b/testing/web-platform/tests/tools/pywebsocket/src/example/arraybuffer_benchmark.html new file mode 100644 index 000000000..869cd7e1e --- /dev/null +++ b/testing/web-platform/tests/tools/pywebsocket/src/example/arraybuffer_benchmark.html @@ -0,0 +1,134 @@ +<!-- +Copyright 2013, Google Inc. +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the following disclaimer +in the documentation and/or other materials provided with the +distribution. + * Neither the name of Google Inc. nor the names of its +contributors may be used to endorse or promote products derived from +this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +--> + +<html> +<head> +<title>ArrayBuffer benchmark</title> +<script src="util.js"></script> +<script> +var PRINT_SIZE = true; + +// Initial size of arrays. +var START_SIZE = 10 * 1024; +// Stops benchmark when the size of an array exceeds this threshold. +var STOP_THRESHOLD = 100000 * 1024; +// If the size of each array is small, write/read the array multiple times +// until the sum of sizes reaches this threshold. +var MIN_TOTAL = 100000 * 1024; +var MULTIPLIERS = [5, 2]; + +// Repeat benchmark for several times to measure performance of optimized +// (such as JIT) run. +var REPEAT_FOR_WARMUP = 3; + +function writeBenchmark(size, minTotal) { + var totalSize = 0; + while (totalSize < minTotal) { + var arrayBuffer = new ArrayBuffer(size); + + // Write 'a's. + fillArrayBuffer(arrayBuffer, 0x61); + + totalSize += size; + } + return totalSize; +} + +function readBenchmark(size, minTotal) { + var totalSize = 0; + while (totalSize < minTotal) { + var arrayBuffer = new ArrayBuffer(size); + + if (!verifyArrayBuffer(arrayBuffer, 0x00)) { + queueLog('Verification failed'); + return -1; + } + + totalSize += size; + } + return totalSize; +} + +function runBenchmark(benchmarkFunction, + size, + stopThreshold, + minTotal, + multipliers, + multiplierIndex) { + while (size <= stopThreshold) { + var maxSpeed = 0; + + for (var i = 0; i < REPEAT_FOR_WARMUP; ++i) { + var startTimeInMs = getTimeStamp(); + + var totalSize = benchmarkFunction(size, minTotal); + + maxSpeed = Math.max(maxSpeed, + calculateSpeedInKB(totalSize, startTimeInMs)); + } + queueLog(formatResultInKiB(size, maxSpeed, PRINT_SIZE)); + + size *= multipliers[multiplierIndex]; + multiplierIndex = (multiplierIndex + 1) % multipliers.length; + } +} + +function runBenchmarks() { + queueLog('Message size in KiB, Speed in kB/s'); + + queueLog('Write benchmark'); + runBenchmark( + writeBenchmark, START_SIZE, STOP_THRESHOLD, MIN_TOTAL, MULTIPLIERS, 0); + queueLog('Finished'); + + queueLog('Read benchmark'); + runBenchmark( + readBenchmark, START_SIZE, STOP_THRESHOLD, MIN_TOTAL, MULTIPLIERS, 0); + addToLog('Finished'); +} + +function init() { + logBox = document.getElementById('log'); + + queueLog(window.navigator.userAgent.toLowerCase()); + + addToLog('Started...'); + + setTimeout(runBenchmarks, 0); +} + +</script> +</head> +<body onload="init()"> +<textarea + id="log" rows="50" style="width: 100%" readonly></textarea> +</body> +</html> |