The configuration variable named RUBY use to exist earlier, but not any longer. So, you only need to set the PROTOCOL variable.

--
Nilay

On Thu, 29 Mar 2012, Steve Reinhardt wrote:

Yes, if you want to experiment with cache coherence protocols, you should
definitely be using Ruby.

On Thu, Mar 29, 2012 at 8:01 AM, Ankita (Garg) Goel <[email protected]>wrote:

ruby works for x86 as such. However, I think you are right, might also
need to set ruby to true, though i have not tried it out.


On Thu, Mar 29, 2012 at 1:35 AM, Iordan Alexandru <[email protected]>wrote:

Isn't that true only if you also add the RUBY=True option to compilation?
According to http://www.gem5.org/Status_Matrix, the x86 FS is marked
"should work" which basically means "some implementation required". Right?

  ------------------------------
*From:* Ankita (Garg) Goel <[email protected]>
*To:* gem5 users mailing list <[email protected]>
*Sent:* Thursday, March 29, 2012 8:02 AM
*Subject:* Re: [gem5-users] How can I change cache coherence protocol??

Optionally, you can specify PROTOCOL=MESI_CMP_directory for example in
the scons build command itself.

On Thu, Mar 29, 2012 at 12:59 AM, Ankita (Garg) Goel <
[email protected]> wrote:

You can set the protocol by setting the value of the PROTOCOL value in
build/variables/X86 file. The possible values that you can set can be found
here: http://www.gem5.org/Cache_Coherence_Protocols

Hope that helps.

On Wed, Mar 28, 2012 at 8:05 PM, Jinchun Kim <[email protected]> wrote:

How can I change cache coherence protocol?

I'm running gem5 on X86 Full System.

In my point of view, reviewing C++ codes in build/X86_FS/mem would help
to change coherence protocol.

However, I'm not sure that revising these codes really change the
protocol in X86 Full System.

Does anyone have some basic knowledge about it?

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--
Regards,
Ankita
Graduate Student
Department of Computer Science
University of Texas at Austin





--
Regards,
Ankita
Graduate Student
Department of Computer Science
University of Texas at Austin



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--
Regards,
Ankita
Graduate Student
Department of Computer Science
University of Texas at Austin



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