64bit CPUs

ray at redshift.com ray at redshift.com
Sun May 1 17:07:58 PDT 2005


my benchmarking with apache shows that it does seem to run faster on 32 bit Xeon
than 64 bit Opterons.  PHP ran a bit faster on the Opterons, but nothing major.

Ray


At 12:48 PM 5/1/2005 -0400, Chuck Swiger wrote:
| Mike Tancsa wrote:
| > A somewhat obvious question to some perhaps, but what server application 
| > mix on FreeBSD today sees an improvement using 64bit CPUs ?
| 
| Databases.  Big ones, anyway.  Other than that, not much, unless you're 
| running processes which would like to use more than 2GB of RAM.
| 
| > In my ISP centric world, my big apps are BIND, IMAP/POP3, httpd via apache, 
| > SMTP, AV and SPAM scanning, and firewalls/routing.  Apart from larger RAM,
| > why would these benefit from the 64bit world ?  Or would they ?
| 
| None of these tasks would benefit much from 64-bit computing; many of them 
| might even run faster in 32-bit mode than in 64-bit mode.
| 
| -- 
| -Chuck
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