System for minimizing resource latency between processor application states in a portable computing device by scheduling resource state set transitions

US9104499B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9104499-B2
Application numberUS-201113291767-A
CountryUS
Kind codeB2
Filing dateNov 8, 2011
Priority dateDec 21, 2010
Publication dateAug 11, 2015
Grant dateAug 11, 2015

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Abstract

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Resource state sets corresponding to the application states are maintained in memory. A request may be issued for a processor operating in a first application state corresponding to the first resource state set to transition to a second application state corresponding to the second resource state set. A start time to begin transitioning resources to states indicated in the second resource state set is scheduled based upon an estimated amount of processing time to complete transitioning. A process is begun by which the states of resources are switched from states indicated by the first resource state set to states indicated by the second resource state set. Scheduling the process to begin at a time that allows the process to be completed just in time for the resource states to be immediately available to the processor upon entering the second application state helps minimize adverse effects of resource latency.

First claim

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What is claimed is: 1. A method for managing application states of a portable computing device having a plurality of processors and a corresponding plurality of processor resources, comprising: maintaining in a memory a first processor resource state set and a second processor resource state set for a first processor; issuing a request to a controller for the first processor operating in a first application state to transition from the first application state to a second applica…

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What does patent US9104499B2 cover?
Resource state sets corresponding to the application states are maintained in memory. A request may be issued for a processor operating in a first application state corresponding to the first resource state set to transition to a second application state corresponding to the second resource state set. A start time to begin transitioning resources to states indicated in the second resource state…
Who is the assignee on this patent?
Stubbs Joshua H, Frantz Andrew J, Gargash Norman S, and 3 more
What technology area does this patent fall under?
Primary CPC classification G06F9/5094. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Aug 11 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).