On 8 March 2012 20:55, Peter Geoghegan <peter@2ndquadrant.com> wrote:
> On 7 March 2012 20:56, Bruce Momjian <bruce@momjian.us> wrote:
>> Yep, good summary. Giving ourselves a few months to think about it and
>> consider other failure cases will make this a great 9.3 addition.
>
> Recent Intel processors that support SSE 4.2, including those based on
> the core microarchitecture, can calculate a CRC-32C in hardware using
> a higher level instruction, similar to the AES related instructions
> that Intel chips have had for some time now. Perhaps we should
> consider using hardware acceleration where available.
>
> Some interesting details are available from here:
>
> http://lwn.net/Articles/292984/
That's what Facebook did to speed up MySQL.
--
Thom
