Re: [Gems-users] connecting several CMPs

[Fengguang Song <song@xxxxxxxxxx>]

Thanks for your detailed explanation! I'll
go with the fastest one.

Fengguang
On Fri, 20 Apr 2007, Mike Marty wrote:

> Your options for M-CMP systems are MSI_MOSI_CMP_directory,
> MOESI_CMP_directory, and MOESI_CMP_token.
>
> The first two are based on directories.  The latter uses broadcast with
> token coherence.  MSI_MOSI_CMP_directory is probably the most stable,
> but it is also the slowest.  MOESI_CMP_directory offers much better
> target performance because it has the E-state.
>
> --Mike
>
>
> Fengguang Song wrote:
> > Hi,
> >
> > > From the tutorial, we can either use CMP protocols or
> > SMP protocols to build ruby . If I want to connect
> > several CMP chips together, which protocol I should use?
> > Is it MOESI_CMP_directory? I'm not sure which one I should
> > start from...
> >
> > Thanks,
> > Fengguang
> >
> >
> >
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--
Fengguang Song                  Office: 321 Claxton Complex
Department of Computer Science           (865) 974-0517 (O)
University of Tennessee, Knoxville 37996-3450
URL: http://www.cs.utk.edu/~song