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.

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