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

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.

Alright, how about this thread?

http://thread.gmane.org/gmane.comp.db.postgresql.devel.general/71741

This actually sounds like precisely the same algorithm. Perhaps this
implementation is much better but your tests on the old one showed a
big difference between smaller and larger data sequences.


-- 
greg