Re: [Gems-users] onchip directory in MOESI_CMP_directory protocol

[Naveen Muralimanohar <navv_7@xxxxxxxxx>]

Hi Mike,
  Thanks for the immediate response. How to calculate
the network latency between an L1 cache to the onchip
directory? Will these transfers (say an unblock
message) happen on the regular network defined by
Topology?

thank u
--n

--- Mike Marty <mikem@xxxxxxxxxxx> wrote:

> MOESI_CMP_directory assumes shadowed L1 tags for
> protocol logic, but
> completely abstracts away the implementation details
> of keeping a shadowed
> copy by using a "perfect directory" structure for
> implementation in SLICC.
> 
> 
> > hi,
> >   I am using MOESI_CMP_directory protocol and I
> would
> > like to know whether it employs distributed (one
> per
> > L2 bank) or centralized on chip directory. If it
> is
> > distributed how L1 tags are tracked?
> >
> > --n
> >
> >
> >
> >
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