[webkit-dev] Parallel image decoders are up for review

Dong Seong Hwang luxtella at company100.net
Wed Aug 1 18:57:44 PDT 2012

Hello, folks.

We updated the test results.

We think the performance improvement is promising.

@ Summary of the results
1. The response time of interactive web pages were improved by
approximately 20%.
2. An embedded device shows a similar performance enhancement as a high-end PC.

Thank you.

2012/7/19 Schmindor <schmindor at gmail.com>:
>> Hi,
>> Our team at Company 100 has worked on parallel image decoders for past a
>> few weeks and some patches are pending for review now. Here is the master
>> bug for parallel image decoders:
>> https://bugs.webkit.org/show_bug.cgi?id=90375
>> For the overall architecture and design, please refer to the following
>> design document. We will update the design document as we change code after
>> review.
>> https://docs.google.com/document/pub?id=12gf7MhNHfupeR3GdRF-h2Vzg86viCbwXq8_JByHKlg0
>> Our implementation shows considerable speedup in image intensive sites and
>> no performance regression in PLT. Please refer to the master bug for
>> specific numbers.
>> We do understand many paralleization techniques make code so complex to
>> the level that can't be accepted. So we tried our best to reduce the
>> complexity of code, but reviewers can help us reduce it further.
>> Regards,
>> Kwang Yul Seo
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