On 2019-10-25 07:05, Andrey Borodin wrote:
>> 21 окт. 2019 г., в 14:09, Andrey Borodin <x4mmm@yandex-team.ru> написал(а):
>>
>> With Silesian corpus pglz_decompress_hacked is actually decreasing performance on high-entropy data.
>> Meanwhile pglz_decompress_hacked8 is still faster than usual pglz_decompress.
>> In spite of this benchmarks, I think that pglz_decompress_hacked8 is safer option.
>
> Here's v3 which takes into account recent benchmarks with Silesian Corpus and have better comments.
Your message from 21 October appears to say that this change makes the
performance worse. So I don't know how to proceed with this.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
