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Enable Power Cap in Haswell EP

SHuan49
Beginner
1,651 Views

Hi, I am trying to set a power cap(power limit) on the Haswell EP, but it seems that I cannot change the register. Is there any way I set the power cap on the Haswell EP?

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4 Replies
Ricardo_G_Intel1
Employee
132 Views

Are you talking about the Thermal Design Power? (TDP) This represents the average power, in watts, the processor dissipates when operating at Base Frequency with all cores active under an Intel-defined, high-complexity workload.

SHuan49
Beginner
132 Views

Hi pba, I was talking about the RAPL on Haswell-EP, I want to set up a power cap using RAPL. Any suggestion?

GKlug1
New Contributor I
132 Views

Hi Phelson,

if you log into your IPMI with the Integrated BMC Web Console and go to Configuration and check then Node Manager you can configure some power Limits to the whole Server. Its also possible to set up an Policy. The new S2600 v3 Boards (Grantley Plattform) gives you some nice Configuration possibilitys there ;-)

SHuan49
Beginner
132 Views

Thanks for your suggestion, kg.Klugmann. I will try that.

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