On 11-Nov-09, at 6:19 PM, Shawn Erickson wrote:
IIRC the latest Mac Pro system use Xeon processors that are HT
(hyper-threading, aka SMT) capable, each core is capable of running
two threads concurrently. This gives you 16 "logical" cores even
though you only have 8 physical cores.
Try the foll
On Wed, Nov 11, 2009 at 2:34 PM, Ben Haller
wrote:
> OK, either I'm being exceptionally dense or there's a bug in NSProcessInfo
> on 10.5. If I execute:
>
> NSProcessInfo *processInfo = [NSProcessInfo processInfo];
> int processorCount = [processInfo activeProcessorCount];
>
>
2009/11/11 Ben Haller :
> OK, either I'm being exceptionally dense or there's a bug in NSProcessInfo
> on 10.5. If I execute:
>
> NSProcessInfo *processInfo = [NSProcessInfo processInfo];
> int processorCount = [processInfo activeProcessorCount];
>
> NSLog(@"processorCount ==
OK, either I'm being exceptionally dense or there's a bug in
NSProcessInfo on 10.5. If I execute:
NSProcessInfo *processInfo = [NSProcessInfo processInfo];
int processorCount = [processInfo activeProcessorCount];
NSLog(@"processorCount == %d", processorCount)
On Sat, Jan 31, 2009 at 3:21 PM, Dave DeLong wrote:
> Core != CPU.
>
> Your machine has 8 cores, but 2 CPUs (since it has 4 cores per CPU)
This is one of those things that's true but mostly pointless. The
question for which the answer is "2" here is really not a useful
question. For nearly all pu
Core != CPU.
Your machine has 8 cores, but 2 CPUs (since it has 4 cores per CPU)
Dave
On Jan 31, 2009, at 1:19 PM, jurin...@eecs.utk.edu wrote:
On Jan 30, 2009, at 8:31 PM, jurin...@eecs.utk.edu wrote:
I am developing a computationally intense application which I need to
multi-process to ta
On Jan 30, 2009, at 8:31 PM, jurin...@eecs.utk.edu wrote:
> I am developing a computationally intense application which I need to
> multi-process to take advantage of the 8 cpu's on my new MacPro with
> dual
> quads. I am using Leopard 10.5 OS.
>> Your machine has two CPU's, not eight.
Really??
