Re: [Gems-users] Token owner without tokens


Date: Mon, 30 Oct 2006 09:40:04 -0600 (CST)
From: Mike Marty <mikem@xxxxxxxxxxx>
Subject: Re: [Gems-users] Token owner without tokens
Yeah, if the owner runs out of tokens, that isn't the best situation.  A
Persistent_GETS will still work, but it would be better to trigger a
Persistent_GETX for a processor's read request simply to coalesce all the
tokens back together.

--Mike


> Hello.
>
> I have a question about theperformance policy in the MOESI_SMP implementation.
> During the execution of a simulation, it has crashed because the processor
> that must serve a (transient) read request only holds the token owner (and no
> one else). How is it the right way to manage this situation? I suppose that
> the token owner must be sent to the home memory module in order to gather all
> spare tokens. Then, a persistent request will be activated and the request
> will be finally served. Is this ok?
>
> Thanks you.
>
> Regards.
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