Re: pglz performance

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От Peter Eisentraut
Тема Re: pglz performance
Дата
Msg-id 3c2d92d0-e715-f9ed-e1a7-3c510ed65940@2ndquadrant.com
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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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