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System and Method for Coherence Prediction

Per Stenström (Institutionen för data- och informationsteknik, Datorteknik (Chalmers))

A coherence prediction mechanism includes a synchronization manager and a plurality of access predictors. The synchronization manager maintains one or more sequence entries, each sequence entry indicating a sequence in which a corresponding data block is accessed by two or more processing elements of a multiprocessor system. An access predictor provides a prediction to the synchronization manager identifying a next data block to be accessed by a corresponding processing element. In response to an indication of an access to a particular data block from a first processing element, the synchronization manager accesses a sequence entry corresponding to the particular data block and sends an identification of a next processing element expected to access the data block to the first processing element. The first processing element may use the identification to perform one or more speculative coherence actions.

Denna post skapades 2008-08-03. Senast ändrad 2009-12-18.
CPL Pubid: 72638


Institutioner (Chalmers)

Institutionen för data- och informationsteknik, Datorteknik (Chalmers)


Information Technology

Chalmers infrastruktur