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Consider split-parts multithreading instead of tile-columns #1

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Kagami opened this issue Dec 10, 2016 · 2 comments
Open

Consider split-parts multithreading instead of tile-columns #1

Kagami opened this issue Dec 10, 2016 · 2 comments

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@Kagami
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Kagami commented Dec 10, 2016 

15:13 < kagami_> TD-Linux: do you know how much tile-columns impacts on quality? I.e. is it worth it.
15:14 < TD-Linux> very rough estimate is 2% per tlie
15:14 < TD-Linux> of course can be tested on awcy
@Kagami Kagami mentioned this issue Dec 12, 2016
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@Kagami
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Kagami commented Feb 2, 2017 

< BBB> wiak: tiles degrade quality/bitrate ratio by about 0.5-1% for 2 tile columns vs. 1 tile column, and 
       incrementally more as you increase the number of tile cols

@Kagami Kagami mentioned this issue Feb 10, 2017
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@Kagami
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Kagami commented Mar 2, 2017

An improvement on VP9 multi-threaded encoder has been checked in
https://groups.google.com/a/webmproject.org/forum/#!topic/codec-devel/oiHjgEdii2U

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