speculative execution

Computing Dictionary

speculative execution definition

processor
A technique allows a superscalar processor to keep its functional units as busy as possible by executing instructions before it is known that they will be needed.
The Intel P6 uses speculative execution.
Compare branch prediction, speculative evaluation.
(1995-05-05)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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