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From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
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Cc: Ryan Coleman <ryan.coleman@cwis.biz>, freebsd-questions@FreeBSD.org
Subject: Re: 64-bit?
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>> 
>> you should run 64-bit version on 64-bit machine for performance
>
> This is workload-dependent.  Some workloads run more slowly on a 64-bit CPU, 
> others faster.
could you please give an example of slower running FreeBSD/amd64 thing 
than FreeBSD/i386?

there are more memory usage sometimes, that's why i use 32-bit squid 
binary on 64-bit systems