Re: What exactly is our CRC algorithm? - Mailing list pgsql-hackers

From Robert Haas
Subject Re: What exactly is our CRC algorithm?
Date
Msg-id CA+TgmoZ4ct6KYg-ofw8tC6fudYNabwMOD=WN2Q6ZcgCoJVsJPw@mail.gmail.com
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In response to Re: What exactly is our CRC algorithm?  (Heikki Linnakangas <hlinnakangas@vmware.com>)
Responses Re: What exactly is our CRC algorithm?  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: What exactly is our CRC algorithm?  (Heikki Linnakangas <hlinnakangas@vmware.com>)
List pgsql-hackers
On Wed, Nov 19, 2014 at 11:44 AM, Heikki Linnakangas
<hlinnakangas@vmware.com> wrote:
> That's an interesting choice of workload. That sure is heavy on the CRC
> calculation, but the speed of pg_xlogdump hardly matters in real life.

But isn't a workload that is heavy on CRC calculation exactly what we
want here?  That way we can see clearly how much benefit we're getting
on that particular part of the computation.  It'll still speed up
other workloads, too, just not as much.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



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