Hi Heba,

While gem5 supports DVFS (and there are more patches coming shortly), McPat 0.8 
(the one that is in ext/mcpat) does not. Thus, even if a core is not doing 
much, you will not see any dramatic improvements.

Andreas

From: Heba Khdr <[email protected]<mailto:[email protected]>>
Reply-To: gem5 users mailing list 
<[email protected]<mailto:[email protected]>>
Date: Tuesday, 15 April 2014 15:03
To: "[email protected]<mailto:[email protected]>" 
<[email protected]<mailto:[email protected]>>
Subject: [gem5-users] Sleep Mode

Dear all,

I run 4 cores (full system mode) on Gem5, and run one application (x264), with 
one thread only.

So, I got one core with higher dynamic power than the others, using McPat.

However the difference is not high, so that means the other core is still 
running some threads from the OS kernels.

How can I put some cores in sleep mode in gem5?

Best regards,
Heba

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