Re: [Gems-users] SM in MESI_CMP_filter_directory-L1cache.sm


Date: Mon, 08 Dec 2008 19:56:07 -0500
From: Greg Byrd <gbyrd@xxxxxxxx>
Subject: Re: [Gems-users] SM in MESI_CMP_filter_directory-L1cache.sm
Probably there's no functional difference between IM and SM, so they just overloaded the state to reduce complexity.

...Greg

Fuad Tabba wrote:
Hi,

I was wondering why the SM state in
MESI_CMP_filter_directory-L1cache.sm doesn't seem to be used (i.e.,
there are no transitions to SM). A line at the S state, when a store
is performed, goes to IM, which while is technically correct as far as
this protocol and its states are concerned, conceptually doesn't make
much sense...

Any ideas? Am I missing something?

Cheers,
/fuad
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