8-core Mac!

[Andy Tarpinian]

On Jan 9, 2008, at 2:23 PM, Peter Korsten wrote:

> Andy Tarpinian schreef:
>
>>> I think I see one in my near freelancing future. I'm curious to see
>>> what happens with the combo of these machines, Leopard, and Adobe  
>>> CS3
>>> in multiprocessor/core support. As far as with in 1 application,  
>>> like
>>> say after effects using 700% of processing power for a task, like a
>>> render. Right now on my Quad with tiger CS3 Aftereffects tops out at
>>> about 260% processor use in a render(that takes about 2 hours to
>>> complete.) I'm curious if the program is limited to something like
>>> that, or with a 8 core machine i would see a huge increase  
>>> processing
>>> power for a task like this.
>>
>> p.s. the render shows it using 45 threads and 1.50 GB of real memory
>>
>> this machine is a 2x 3 Ghz dual core Xeon w/ a NVIDIA Quadro FX 4500
>> (512)
>
> Hmm, running more than four threads on a four core machine is a bit
> useless... all the context switches will just slow it down.
>
> Sun have a CPU with eight cores, where each core can run eight  
> hardware
> threads. That means, 64 hardware threads. Yea! But they are only good
> for integer stuff, so no luck for rendering.
>
> Which brings me to the question: how many floating point units does  
> the
> Xeon have per CPU?

on the apple site it shows a AfterEffects benchmark as being 2.3x  
greater than a Quad 2.66Ghz

so it's not just faster it makes my work greater! wow