Reduce memory usage of butteraugli. #148
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Remove the ImageF class and use std::vector<float> everywhere. This removes the need to copy back-and-forth between the two formats and saves about 20% memory usage. Peak memory usage of the ~1MP station.png file from the test corpus went from 263 MiB to 210 MiB. This commit contains some additional clean-up of the butteraugli.h header, we now include only those functions that are needed by guetzli.
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CLAs look good, thanks! |
robryk
approved these changes
Mar 29, 2017
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This starts to address #11 |
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Remove the ImageF class and use std::vector everywhere.
This removes the need to copy back-and-forth between the two
formats and saves about 20% memory usage.
Peak memory usage of the ~1MP station.png file from the test corpus
went from 263 MiB to 210 MiB.
This commit contains some additional clean-up of the butteraugli.h
header, we now include only those functions that are needed by guetzli.