METHOD FOR MANAGING OPERATION RELATED TO VOLTAGE AND FREQUENCY CHANGE IN MICROPROCESSOR, DATA PROCESSING SYSTEM AND COMPUTER PROGRAM

Japanese Patent JP2011081800

A

To provide a managing operation associated with one or more voltage changes and one or more frequency changes.

A voltage change request and a frequency change request are associated with dynamic voltage and frequency scaling (DVFS) operations. The DVFS operation is transmitted by a processor to be executed by one or more direct current assemblies. A sequence associated with the one or more voltage changes and a sequence associated with the one or more frequency changes are detected by a system. The sequences are dynamically modified to enable insertion of an additional voltage change, whereby the additional voltage change indicates completion of one or more previous voltage change requests. Completion of the voltage change request enables one or more subsequent voltage change requests to be processed. When a voltage change request is not successfully completed, one or more future voltage changes are suspended.

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RUBIO JUAN CARLOS
RAJAMANI KARTHICK
WARE MALCOLM SCOTT
FLOYD MICHAEL STEPHEN

JP2010225316A

April 21, 2011

October 05, 2010

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IBM

G06F1/26

JP2008507766A	2008-03-13
JP2004511868A	2004-04-15
JP2011502463A	2011-01-20
JP2008090760A	2008-04-17

Takeshi Ueno
Tasaichi Tanae
Yoshihiro City

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