64-bit?

Kris Kennaway kris at FreeBSD.org
Sat Jun 14 19:29:10 UTC 2008


Wojciech Puchar wrote:
>>>
>>> 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

Precisely that.  If your application relies on memory I/O, it may run 
slower because data is typically bigger so takes longer to copy.  Some 
java applications can fall into this category, for example.

Kris


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