Re: [Gems-users] Inclusive L2 cache

[Greg Byrd <gbyrd@xxxxxxxx>]

Unless things have changed, the combined L1/L2 controller use exclusive 
caches, not inclusive.
...Greg


Derek Hower wrote:
> Inclusivity/exclusivity is a coherence-level issue.  Thus, it is 
> determined solely by the behavior of the SLICC generated protocol.  To 
> the best of my knowledge, all released protocols in GEMS are inclusive.
> -Derek
>
> On Wed, May 13, 2009 at 10:22 AM, Edward Lee <edwl202@xxxxxxxxx 
> <mailto:edwl202@xxxxxxxxx>> wrote:
>     Hi all,
>
>     I am trying to add another cache besides L1/L2 to my target system
>     like a victim cache or an RAC. So, I am wondering how to determine
>     exclusivity of the caches in GEMS? For example,
>     MOESI_SMP_directory protocol has a single SLICC controller for
>     L1/L2, does this mean that the L2 is inclusive? Where in the GEMS
>     code is this determied?
>
>     Thanks for any help.
>
>     Regards,
>
>     Ed 
>
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