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

From Andres Freund
Subject Re: Re: [RFC][PATCH]: CRC32 is limiting at COPY/CTAS/INSERT ... SELECT + speeding it up
Date
Msg-id 201005302248.37614.andres@anarazel.de
Whole thread Raw
In response to Re: Re: [RFC][PATCH]: CRC32 is limiting at COPY/CTAS/INSERT ... SELECT + speeding it up  (Greg Stark <gsstark@mit.edu>)
List pgsql-hackers
On Sunday 30 May 2010 18:43:12 Greg Stark wrote:
> On Sun, May 30, 2010 at 5:29 PM, Greg Stark <gsstark@mit.edu> 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.
> > 
> > Alright, how about this thread?
> > 
> > http://thread.gmane.org/gmane.comp.db.postgresql.devel.general/71741
> 
> Huh, actually apparently this is right about on schedule for
> reconsidering this topic:
> 
> http://article.gmane.org/gmane.comp.db.postgresql.devel.general/71903
Oh, and the first zlib version sporting the 4 separate shifted tables approach 
was 1.2.0 (9 March 2003) ;-)

Andres


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