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Re: Some quick Opteron 32-bit/64-bit results - Mailing list pgsql-performance

From Greg Stark
Subject Re: Some quick Opteron 32-bit/64-bit results
Date
Msg-id 87vfc78ug1.fsf@stark.xeocode.com
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In response to Re: Some quick Opteron 32-bit/64-bit results  (William Yu <wyu@talisys.com>)
Responses Re: Some quick Opteron 32-bit/64-bit results  (William Yu <wyu@talisys.com>)
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William Yu <wyu@talisys.com> writes:

> Biggest speedup I've found yet is the backup process (PG_DUMP --> GZIP). 100%
> faster in 64-bit mode. This drastic speed might be more the result of 64-bit
> GZIP though as I've seen benchmarks in the past showing encryption/compression
> running 2 or 3 times faster in 64-bit mode versus 32-bit.

Isn't this a major kernel bump too? So a different scheduler, different IO
scheduler, etc?

--
greg

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