26-28 Jun 2019 Bordeaux (France)
An overview of uncore frequency impact on performance and power consumption
Amina Guermouche  1@  , François Trahay  1  , Rémi Dulong  2  
1 : Telecom SudParis
Telecom SudParis, Samovar-UMR 5157 CNRS, University of Paris-Saclay, France
2 : Université de Neuchâtel

Recent architectures provide the possibility to modify the uncore
frequency (L3 cache, memory controllers, ...). Similar to DVFS
techniques, it is handled by the Uncore Frequency Scaling (UFS). In
this talk, we will first study the default behavior of UFS and present
the impact of uncore frequency on power, energy and performance for
different application profile. Then we will present how uncore
frequency can be used as a leverage to improve application

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