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Ran 18 Sep 2019 11:28PM UTC

Files 53

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Committed 18 Sep 2019 11:12PM UTC coverage: 71.03% (-0.08%) from 71.11%

Job # CACHE_NAME=COVERALLS

Build Type

push

travis-ci

Committed by

xiphmont

Commit Message

Add smarter LRU sizing based on stretch and quantizer

The choices made by this new code are still subject to adjustment to
meet tiling demads as before.  However, we no longer default to
'largest possible LRU in all cases'.

The most interesting aspect of the change tries to avoid stretching
chrmoa LRUs if luma LRUs along the same edge do not stretch.  The
overly large chroma along the edge comes up repeatedly as a major
penalty across all metrics.  This especially affects 720p content.
Note the 1.5% bd-rate improvement in SSIM/MS SSIM:
https://beta.arewecompressedyet.com/?job=lrf-tune-test-baseline%402019-09-16T18%3A31%3A06.939Z&job=lrf-tune-test%402019-09-16T18%3A44%3A29.267Z

The code that looks for this is general (it is not tied ot just 720p).

Run Details

13198 of 18581 relevant lines covered (71.03%)

0.71 hits per line

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master: 86%

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