METHODS AND SYSTEMS FOR UTILIZING A MASTER-SHADOW PHYSICAL REGISTER FILE

METHODS AND SYSTEMS FOR UTILIZING A MASTER-SHADOW PHYSICAL REGISTER FILE

A processor in a data processing system includes a master-shadow physical register file and a renaming unit. The master-shadow physical register file has a master storage coupled to shadow storage. The renaming unit is coupled to the master-shadow physical register file. Based on an occurrence of sh...

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Hauptverfasser: ARUNACHALAM, Rajesh K, VENKATACHAR, Ashok T, NAIR, Arun A, TALPES, Emil, AREKAPUDI, Srikanth
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator ARUNACHALAM, Rajesh K
VENKATACHAR, Ashok T
NAIR, Arun A
TALPES, Emil
AREKAPUDI, Srikanth
description A processor in a data processing system includes a master-shadow physical register file and a renaming unit. The master-shadow physical register file has a master storage coupled to shadow storage. The renaming unit is coupled to the master-shadow physical register file. Based on an occurrence of shadow transfer activation conditions verified by the renaming unit, data in the master storage is transferred from the master storage to the shadow storage for storage. Data is transferred from the shadow storage back to the master storage based on the occurrence of a shadow-to-master transfer event, which includes, for example, a flush of the master storage by the processor.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title METHODS AND SYSTEMS FOR UTILIZING A MASTER-SHADOW PHYSICAL REGISTER FILE
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