L3 cache on Apple dual processor (7450 r 2.1) question

Till Wimmer linuxppc-dev at tonarchiv.ch
Tue Jun 20 23:27:48 EST 2006


Olof Johansson wrote:

>On Mon, Jun 19, 2006 at 04:17:04PM +0200, Till Wimmer wrote:
>
>  
>
>>Now my questions are:
>>Is there anything else to do for getting the L3 cache working?
>>How can i check if the L3 is enabled? E.g. is there a benchmark program
>>which accounts for cache settings?
>>    
>>
>
>lmbench has testcases for memory latency testing.
>  
>
Thank you for the hint, i tested it and the results are deflating:
Most values are the same, but the communication bandwidths are worse 
with the L3 cache enabled? Therefore i think that my L3CR settings are 
wrong.

bg
Till


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