公开(公告)号：US20210208659A1

公开(公告)日：2021-07-08

申请号：US17207299

申请日：2021-03-19

Applicant: Intel Corporation

Inventor： Alexander Gendler ,  Adwait Purandare ,  Ankush Varma ,  Nazar Haider ,  Daniela Kaufman ,  Gilad Bomstein ,  Shlomo Attias ,  Amit Gabai ,  Ariel Szapiro

IPC: G06F1/324 ,  G06F21/55 ,  G06F1/28

Abstract: An adaptive or dynamic power virus control scheme (hardware and/or software) that dynamically adjusts maximum dynamic capacitance (CdynMax) and corresponding maximum frequency (POnMax) setting per application executed on a processor core. A power management unit monitors telemetry such as a number of throttled cycles due to CdynMax threshold excursions cycles for the processor core and a cost of average cycle Cdyn cost for the processor core. As the number of throttling cycles increases for the processor core, the aCode firmware of the power management unit decides to increase the Cdyn level or threshold for that core (e.g., to make the threshold less aggressive). As the average Cdyn cost over a number of cycles becomes lower than a threshold, aCode adjusts the threshold to a lower threshold (e.g., more aggressive threshold) and lower Cdyn.

公开(公告)号：US12124314B2

公开(公告)日：2024-10-22

申请号：US17207299

申请日：2021-03-19

Applicant: Intel Corporation

Inventor： Alexander Gendler ,  Adwait Purandare ,  Ankush Varma ,  Nazar Haider ,  Daniela Kaufman ,  Gilad Bomstein ,  Shlomo Attias ,  Amit Gabai ,  Ariel Szapiro

IPC: G06F1/324 ,  G06F1/28 ,  G06F21/55 ,  G06F21/56 ,  G06F21/71 ,  G06F21/81

CPC classification number: G06F1/324 ,  G06F1/28 ,  G06F21/554 ,  G06F21/566 ,  G06F21/71 ,  G06F21/81 ,  G06F2221/034

Abstract: An adaptive or dynamic power virus control scheme (hardware and/or software) that dynamically adjusts maximum dynamic capacitance (CdynMax) and corresponding maximum frequency (P0nMax) setting per application executed on a processor core. A power management unit monitors telemetry such as a number of throttled cycles due to CdynMax threshold excursions cycles for the processor core and a cost of average cycle Cdyn cost for the processor core. As the number of throttling cycles increases for the processor core, the aCode firmware of the power management unit decides to increase the Cdyn level or threshold for that core (e.g., to make the threshold less aggressive). As the average Cdyn cost over a number of cycles becomes lower than a threshold, aCode adjusts the threshold to a lower threshold (e.g., more aggressive threshold) and lower Cdyn.