Horton

Re: Cost of XLogInsert CRC calculations

Manfred Koizar <mkoi-pg@aon.at>

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From: Manfred Koizar <mkoi-pg@aon.at>
To: Manfred Koizar <mkoi-pg@aon.at>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Greg Stark <gsstark@mit.edu>, Bruce Momjian <pgman@candle.pha.pa.us>, Mark Cave-Ayland <m.cave-ayland@webbased.co.uk>, pgsql-hackers@postgresql.org
Date: 2005-05-25T19:24:59Z
Lists: pgsql-hackers 
On Wed, 18 May 2005 13:50:22 +0200, I wrote:
>The most important figure is, that at MaxSpeed (/O2) 2x32 is almost
>twice as fast as CRC32 while only being marginally slower than CRC32.
                  ^^^^^
Silly typo!  That should have been:
The most important figure is, that at MaxSpeed (/O2) 2x32 is almost
twice as fast as CRC64 while only being marginally slower than CRC32.

Servus
 Manfred