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speculative execution

   Also found in: Wikipedia 0.06 sec.
(processor)speculative execution - 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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3) Processor architecture, which efficiently handles speculative execution (2*).
NEC Develops Multicore Processor Technology Enabling Automatic ... by JCN Newswires
extremely efficient out-of-order speculative execution engine
Intel Announces New NetBurst Micro-architecture for Pentium 4 ... by Business Wire
The IA-64 architecture uses explicit information about instruction grouping, pre-fetching, predication and speculative execution to help overcome the limitations of today's RISC (Reduced Instructions Set Computing) architectures.
Intel, HP Reveal IA-64 Instruction Set Architecture by Business Wire
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