Re: [Gems-users] Private L2 Configuration


Date: Fri, 16 Jan 2009 09:20:28 -0500
From: hb166307@xxxxxxxx
Subject: Re: [Gems-users] Private L2 Configuration
Sounds good, thanks!

Quoting Niket Agarwal <niketa@xxxxxxxxxxxxx>:

> I don't think you need to change the standard_SMP-protocol.sm to  
> standard_CMP-protocol.sm in the .slicc file.
> The SMP protocol simulates a multi-chip protocol. You can hack it to 
> 
> be a single CMP private L2 protocol by
> still simulating the protocol with multiple chips, but lowering the 
> 
> network latencies between the chips.
> 
> You might also want to look at adding directory caches at the  
> directory node. Otherwise, all directory access incur the expensive 
> 
> memory latency.
> 
> Cheers,
> Niket
> 
> On Jan 15, 2009, at 1:37 PM, hb166307@xxxxxxxx wrote:
> 
> > Hello users,
> >
> > I have been reading through some of the threads about creating a
> CMP  
> > system
> > with a private L1 & private L2 configuration that I should use the
> > MOESI_SMP_directory and change the latencies. I have also seen that
>  
> > I should
> > add standard_CMP-protocol.sm  in place of standard_SMP-protocol.sm
> in
> > MOESI_SMP_direcory.slicc! Can anybody help to verify any of this?
> >
> > Thanks!
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