US 2024/0201762 A1Published application

Ruler-follower dynamic voltage and frequency scaling schemes for integrated circuit components

AssigneeQUALCOMM Incorporated

InventorsAravind BHASKARA, Zhurang ZHAO, Kiran BHAGWAT, Michael TIPTON, Joshua STUBBS, Jyotirmoy DAS, Thomas TANG

Life of this patent

Estimating the term…

Loading patent…

Abstract

Various dynamic voltage and frequency scaling (DVFS) techniques can optimize the high voltage residency of a device containing multiple processing cores that share a voltage rail. The DVFS techniques described herein can reduce the high voltage residency (duration) of the voltage rail by aligning the high frequency duration of multiple cores sharing the same voltage rail.

Claims25

Dependent claims

An apparatus for dynamic voltage and frequency scaling, comprising:

a plurality of processing cores;
and
a dynamic voltage and frequency scaling (DVFS) resource manager coupled to the plurality of processing cores,
wherein the DVFS resource manager is configured to:
adjust a DVFS parameter of a first processing core of the apparatus based on a request of the first processing core;
adjust a second DVFS parameter of a second processing core of the apparatus that shares a voltage rail with the first processing core, based on a first mapping rule between the first DVFS parameter and the second DVFS parameter;
and
adjust a voltage of the voltage rail to enable the first processing core to operate using the first DVFS parameter and the second processing core to operate using the second DVFS parameter.

5 more elements

Dependencies are inferred from the claim text.

Facts

Application: 18/082,518Filed 15 Dec 2022
Published: 20 Jun 2024
Term ends: Not estimatedThe source records don’t support an estimate.

Classification11 codes

G06F 1/26
Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00: power supply means, e.g. regulation thereof
G06F 1/3296
Power saving characterised by the action undertaken: by lowering the supply or operating voltage
G06F 1/08
Generating or distributing clock signals or signals derived directly therefrom: clock generators with changeable or programmable clock frequency
G06F 1/28
Power supply means, e.g. regulation thereof: supervision thereof, e.g. detecting power-supply failure by out of limits supervision

Family

US 12,093,096 B2Related patent
US 2024/0201762 A1This patent

From the US filing history. Foreign family members aren’t listed.

Timeline

Citations

Open elsewhere

Building an agent or pulling many patents? Use the API or MCP server instead of scraping pages. Get an API key