Distributed completion control in a microprocessor

Details Distributed completion control in a microprocessor Distributed completion control in a microprocessor

G - Physics

06

F

G06F 9/44 (2006.01) G06F 9/38 (2006.01)

Patent

CA 2163691

The distributed completion mechanism maintains complex control dependence relations between instructions in a superscalar processor without the cycle time burden associated with large sequential queue structures. There are global busses, but none of them are cycle limiting (in general, they are almost latch-to-latch paths). The cost of this completion control mechanism is a large number of tag bits associated with each instruction stage, however, in light of shrinking lithography this cost is small and takes advantage of the strengths of newer technologies.

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