> 17 мая 2019 г., в 6:44, Michael Paquier <mich...@paquier.xyz> написал(а): > > That's nice. > > From the numbers you are presenting here, all of them are much better > than the original, and there is not much difference between any of the > patched versions. Having a 20%~30% improvement with a patch is very > nice. > > After that comes the simplicity and the future maintainability of what > is proposed. I am not much into accepting a patch which has a 1%~2% > impact for some hardwares and makes pglz much more complex and harder > to understand. But I am really eager to see a patch with at least a > 10% improvement which remains simple, even more if it simplifies the > logic used in pglz.
Here are patches for both winning versions. I'll place them on CF. My gut feeling is pglz_decompress_hacked8 should be better, but on most architectures benchmarks show opposite. Best regards, Andrey Borodin.
pglz_decompress_hacked8.diff
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pglz_decompress_hacked.diff
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