Re: [Gems-users] Exclusive

["Min Xu (Hsu)" <xu@xxxxxxxxxxx>]

AFAIK, it is perhaps not easy to simulate a physically "shared" wire
in ruby. Nor does ruby currently simulate a 'combined response" when the
broadcast messages travel to the root switch. Ruby kind of approximate
the combined response by having little extra state in the memory (directory).
Then when the memory sends the date to a requester, the memory will
encode a bit to indicate the data is exclusive.

On Mon, 06 Feb 2006 arrvindh shriraman wrote :
> How do I encode and the shared-line signal in a broadcast based protocol in ruby ?
>  When a processor puts a GETS on the network and no other processor currently caches it, how do I get the protocol controller to get the requesting processor to load it in Exclusive mode.
>  
>  Thanks
>  
> 
> Arrvindh Shriraman
> Conputer Science Department
> University of Rochester
> 		
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