Re: Cost of XLogInsert CRC calculations
Bruce Momjian <pgman@candle.pha.pa.us>
From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Mark Cave-Ayland <m.cave-ayland@webbased.co.uk>, "'Manfred Koizar'" <mkoi-pg@aon.at>, "'Greg Stark'" <gsstark@mit.edu>, pgsql-hackers@postgresql.org
Date: 2005-05-27T20:37:59Z
Lists: pgsql-hackers
Tom Lane wrote: > Alternatively, we might say that 64-bit CRC was overkill from day one, > and we'd rather get the additional 10% or 20% or so speedup. I'm kinda > leaning in that direction, but only weakly. Yes, I lean in that direction too since the CRC calculation is showing up in our profiling. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073