公开(公告)号：US20210018971A1

公开(公告)日：2021-01-21

申请号：US17042804

申请日：2018-05-01

Applicant: Intel Corporation

Inventor： EFRAIM ROTEM ,  ELIEZER WEISSMANN ,  ERIC DEHAEMER ,  ALEXANDER GENDLER ,  NADAV SHULMAN ,  KRISHNAKANTH SISTLA ,  NIR ROSENZWEIG ,  ANKUSH VARMA ,  ARIEL SZAPIRO ,  ARYE ALBAHARI ,  IDO MELAMED ,  NIR MISGAV ,  VIVEK GARG ,  NIMROD ANGEL ,  ADWAIT PURANDARE ,  ELKANA KOREM

IPC: G06F1/329 ,  G06F1/3206 ,  G06F9/48 ,  G06F9/30 ,  G06F9/4401

Abstract: A local power control arbiter is provided to interface with a global power control unit of a processing platform having a plurality of processing entities. The local power control arbiter controls a local processing unit of the processing platform. The local power arbiter has an interface to receive from the global power control unit, a local performance limit allocated to the local processing unit depending on a global power control evaluation and processing circuitry to determine any change to one or more processing conditions prevailing in the local processing unit on a timescale shorter than a duration for which the local performance limit is applied to the local processing unit by the global power control unit and to select a performance level for the local processing unit depending on both the local performance limit and the determined change, if any, to the prevailing processing conditions on the local processing unit.