[RC5] Power PC G4 vs. G5
elektron_rc5 at yahoo.ca
Tue Aug 2 11:58:21 EDT 2005
On 2 Aug, 2005, at 15:31, Ben Payne wrote:
> So I did a bit more checking. Running the benchmark tells me that I
> can do 13.3 million k/sec. However when I run the client in normal
> mode I only get ~9 million k/sec per processor for a total of ~18
> million k/sec, if I'm reading the logging right. The client starts
> two crunchers and auto detects two processors. Activity monitor show
> the process with 3 thread and taking ~190% of the CPU. System Info
> and physical inspection both show that I have 2 processors (as well as
> my checkbook).
> One thing I find very odd about these results is the discrepancy
> between the bench numbers and the actual numbers. All the other
> systems that I have run on, had very small differences between these
> two figures (less than 10%). Of course all the other systems where
> not dual processors. I did a bit of playing with the settings and
> found that I could get the number when running in normal mode to match
> the bench numbers if I kicked the priority up to 9. I have other OSX
> system that don't show this discrepancy. So I'm not sure what the
> cause is, but it's nice to find another 6 million k/sec!!!
Does it auto-select the same core?
And what other processes are running at the time?
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