Re: pglz performance
От | Peter Eisentraut |
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Тема | Re: pglz performance |
Дата | |
Msg-id | 3c2d92d0-e715-f9ed-e1a7-3c510ed65940@2ndquadrant.com обсуждение исходный текст |
Ответ на | Re: pglz performance (Andrey Borodin <x4mmm@yandex-team.ru>) |
Ответы |
Re: pglz performance
|
Список | pgsql-hackers |
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
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