Actually, blame Intel.  Intel hyperthreading makes it look like double the 
number of cores <http://en.wikipedia.org/wiki/Hyper-threading>.  My MBP has 4 
cores, but activity monitor and iStat Menus both report 8 logical cores.

Enrique

On May 11, 2013, at 9:23 AM, Alexander Hansen <[email protected]> 
wrote:

> On 5/11/13 9:07 AM, Bill Waggoner wrote:
>> I have a new Mac Mini server with the following Hardware Overview:
>> 
>>   Model Name:    Mac mini
>>   Model Identifier:    Macmini6,2
>>   Processor Name:    Intel Core i7
>>   Processor Speed:    2.3 GHz
>>   Number of Processors:    1
>>   Total Number of Cores:    4
>>   L2 Cache (per Core):    256 KB
>>   L3 Cache:    6 MB
>>   Memory:    4 GB
>>   Boot ROM Version:    MM61.0106.B03
>>   SMC Version (system):    2.8f0
>>   Serial Number (system):    C07[snip]WYN
>>   Hardware UUID:    E20F62[snip]70F2B
>> 
>> This shows, as I believe, that I have one CPU and 4 cores and yet Fink
>> reports that I have 8 CPUs/Cores when I configure it.  Is it, perhaps,
>> counting Threads (or some such) instead of Cores?
>> 
>> I do notice that when I run Activity Monitor and select Show CPU
>> History it does show 8 bars.
>> 
>> I've set it to 4 in any case so it probably doesn't matter what Fink
>> thinks but I was just curious why the discrepancy ...
>> 
>> Bill W
>> 
>> 
> 
> fink uses "sysctl -n hw.activecpu" to get the number of active CPUs.  If 
> that output isn't right, blame Apple.
> 
> -- 
> Alexander Hansen, Ph.D.
> Fink User Liaison
> My package updates: http://finkakh.wordpress.com/
> 

[email protected]



------------------------------------------------------------------------------
Learn Graph Databases - Download FREE O'Reilly Book
"Graph Databases" is the definitive new guide to graph databases and 
their applications. This 200-page book is written by three acclaimed 
leaders in the field. The early access version is available now. 
Download your free book today! http://p.sf.net/sfu/neotech_d2d_may
_______________________________________________
Fink-users mailing list
[email protected]
List archive:
http://news.gmane.org/gmane.os.macosx.fink.user
Subscription management:
https://lists.sourceforge.net/lists/listinfo/fink-users

Reply via email to