Re: Re: [RFC][PATCH]: CRC32 is limiting at COPY/CTAS/INSERT ... SELECT + speeding it up

Поиск
Список
Период
Сортировка
От Pierre C
Тема Re: Re: [RFC][PATCH]: CRC32 is limiting at COPY/CTAS/INSERT ... SELECT + speeding it up
Дата
Msg-id op.vdxegbnreorkce@apollo13
обсуждение исходный текст
Ответ на Re: Re: [RFC][PATCH]: CRC32 is limiting at COPY/CTAS/INSERT ... SELECT + speeding it up  (Andres Freund <andres@anarazel.de>)
Ответы Re: Re: [RFC][PATCH]: CRC32 is limiting at COPY/CTAS/INSERT ... SELECT + speeding it up  (Andres Freund <andres@anarazel.de>)
Список pgsql-hackers
> On Sunday 30 May 2010 18:29:31 Greg Stark wrote:
>> On Sun, May 30, 2010 at 4:54 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> > I read through that thread and couldn't find much discussion of
>> > alternative CRC implementations --- we spent all our time on arguing
>> > about whether we needed 64-bit CRC or not.

SSE4.2 has a hardware CRC32 instruction, this might be interesting to  
use...


В списке pgsql-hackers по дате отправления:

Предыдущее
От: Heikki Linnakangas
Дата:
Сообщение: Re: [PATCH] Fix leaky VIEWs for RLS
Следующее
От: Andres Freund
Дата:
Сообщение: Re: Re: [RFC][PATCH]: CRC32 is limiting at COPY/CTAS/INSERT ... SELECT + speeding it up