Status: New
Owner: ----
New issue 2670 by [email protected]: Performance issue with JavaScript
ArrayBuffer in comparison to FireFox & IE
http://code.google.com/p/v8/issues/detail?id=2670
I am filing this in the hopes that this will get added to some performance
tests. I believe that Base64 encode/decode is quite useful and this
version of Base64 encode/decode is much more efficient than that included
in Sunspider.
Chrome Version : 26.0.1410.64
URLs (if applicable) : http://jsperf.com/json-vs-base64
http://jsperf.com/json-stringify-vs-base64-encode
Other browsers tested:
Safari 6: Better than Chromium
Firefox 20: OK
IE 10: OK
What steps will reproduce the problem?
1. Run the jsprefs linked above.
2. Chrome will underperform Firefox and IE 10 by a significant amount.
Chrome is usually less than 50% as fast.
What is the expected result?
Performance on par with Firefox and IE10.
What happens instead?
Significant underperformance.
Please provide any additional information below. Attach a screenshot if
possible.
This is part of an addition to ThreeJS to speed up saving and loading
geometry: https://github.com/mrdoob/three.js/pull/3420 Right now we can
get great improvements by using Base64 decode/encoding on both IE and
Firefox but performance is significantly lacking on Chrome. It is
surprising as usually Chrome is very competitive.
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