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Speculative execution

<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.

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SPECrate_int92 SPEC ratio Spectral Band Replication Spectrum speculative evaluation	branch prediction Cyrix 6x86 Dynamic Execution Pentium Pro speculative execution	Speech Application Programming Interface speech recognition Speech Recognition Application Program Interface speech synthesis SPEED