公开(公告)号：US20210408784A1

公开(公告)日：2021-12-30

申请号：US16913887

申请日：2020-06-26

Applicant: Intel Corporation

Inventor： Aman Sewani ,  Nazar Haider ,  Lan D. Vu ,  Steven S. Poon ,  Shunjiang Xu

IPC: H02H9/00

Abstract: Some embodiments include apparatuses having an input node; an electrostatic discharge protection circuitry including a first diode including a cathode coupled to the input node, and an anode coupled to a ground node; a second diode including an anode coupled to the input node, and a cathode coupled to a circuit node; a clamp circuit coupled to the circuit node; and a current limiting circuit coupled between the circuit node and a supply node.

公开(公告)号：US20210334187A1

公开(公告)日：2021-10-28

申请号：US16860967

申请日：2020-04-28

Applicant: Intel Corporation

Inventor： Aman Sewani ,  Nazar Haider ,  Ankush Varma ,  Lan Vu

IPC: G06F11/30 ,  G06F1/3296 ,  G06F1/08

Abstract: A scheme is provided for a processor to measure or estimate the dynamic capacitance (Cdyn) associated with an executing application and take a proportional throttling action. Proportional throttling has significantly less impact on performance and hence presents an opportunity to get back the lost bins and proportionally clip power if it exceeds a specification threshold. The ability to infer a magnitude of power excursion of a power virus event (and hence, the real Cdyn) above a set power threshold limit enables the processor to proportionally adjust the processor operating frequency to bring it back under the limit. With this scheme, the processor distinguishes a small power excursion versus a large one and reacts proportionally, yielding better performance.

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：US12124350B2

公开(公告)日：2024-10-22

申请号：US16860967

申请日：2020-04-28

Applicant: Intel Corporation

Inventor： Aman Sewani ,  Nazar Haider ,  Ankush Varma ,  Lan Vu

IPC: G06F11/30 ,  G06F1/08 ,  G06F1/32 ,  G06F1/3296

CPC classification number: G06F11/3062 ,  G06F1/08 ,  G06F1/3296 ,  G06F11/3024

Abstract: A scheme is provided for a processor to measure or estimate the dynamic capacitance (Cdyn) associated with an executing application and take a proportional throttling action. Proportional throttling has significantly less impact on performance and hence presents an opportunity to get back the lost bins and proportionally clip power if it exceeds a specification threshold. The ability to infer a magnitude of power excursion of a power virus event (and hence, the real Cdyn) above a set power threshold limit enables the processor to proportionally adjust the processor operating frequency to bring it back under the limit. With this scheme, the processor distinguishes a small power excursion versus a large one and reacts proportionally, yielding better performance.

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.