From your comments Ron you obviously didn't understand a thing I wrote,
because you have just repeated me!

Andrew Miehs wrote:
> On 29/07/2007, at 2:34 PM, Peter Stavrinides wrote:
>
>
>> 32 bits processors can represent numbers up to 4,294,967,295 while a
>> 64-bit machine can represent numbers up to
>> 18,446,744,073,709,551,615. For modern hardware to take advantage of
>> the processing power of the 64 bit architecture a system must have a
>> minimum 4GB Ram, but probably needs significantly more and more
>> importantly the CAPACITY to take full advantage of it, allocating it
>> to running processes, with less there is potential for lag.
>> 64bit machines have been around since the 60's but only now are
>> software and hardware vendors supporting it for the mainstream
>> market. So is 64bit better than 32bit right now? the answer is yes, a
>> 64-bit processor has more technology, a better design with more
>> transistors, thus faster speeds are possible. This is currently where
>> the true benefit of switching to a 64-bit processor lays, it has
>> nothing to do with the memory address space, which is exactly that,
>> just space for more complex computations.
>
> This is definitely not looking at the big picture.
>
> Whether or not to go 64bit depends on your application.
>
> BASED ON MY TESTS....
>
> If your application runs in Java AND you are using Sun JVM 1.5 AND
> performance is an issue, then I would definitely go 64bit linux.
>
> else if your Java application doesn't have a performance requirement,
> but needs lots of memory, be that for caching or anything else, then
> I would use 64 bit - Pick your own operating system...
>
> else if the machine you are using has more than 4GB RAM, I would look
> at using a 64bit OS, - up to you whether you want 32bit or 64bit Java.
>
> else if none of this applies to you, I would probably run a 32 bit OS,
> and wait for someone to port the last remaining packages/ drivers.
>
>
> BTW More transistors mean less CPU clock speed - not more... (But I
> think you meant larger operations per cycle).
>
> Cheers
>
> Andrew
>
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--
Peter Stavrinides
Albourne Partners (Cyprus) Ltd
Tel: +357 22 750652

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