minor rebalancing of level 13 #2762
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This new setup is slighly better on `silesia.tar` : Ratio : 3.649 -> 3.655 Speed : 11.9 MB/s -> 12.2 MB/s At the cost of more memory : 24 MB -> 32 MB The new memory budget is a reasonable interpolation between neighboring levels 12 and 14: level 12 : 24 MB level 13 : 32 MB (increased from 24 MB) level 14 : 48 MB Window size remains unaffected (4 MB)
terrelln
approved these changes
Sep 1, 2021
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Following recent interest in re-balancing compression levels.
This new level 13 setup is slightly better on
silesia.tar(i7-9700k noturbo, gcc 9.3.0):Ratio : 3.649 -> 3.655
Speed : 11.9 MB/s -> 12.2 MB/s
At the cost of more memory : 24 MB -> 32 MB
The new memory budget is a reasonable interpolation between neighboring levels 12 and 14:
level 12 : 24 MB
level 13 : 32 MB (increased from 24 MB)
level 14 : 48 MB
Window size remains unaffected (4 MB)