Early exit processing of iterative refinement algorithm...

Details Early exit processing of iterative refinement algorithm... Early exit processing of iterative refinement algorithm...

2011-04-05

2011-04-05

Chan, Eddie P (Department: 2183)

Electrical computers and digital processing systems: processing

Dynamic instruction dependency checking, monitoring or...

C712S222000, C712S226000

Reexamination Certificate

active

07921278

ABSTRACT:
An “early exit” of an iterative refinement algorithm is implemented by effectively disabling read after write dependency stalls of newer instructions, as well as disabling the register write enable of these instructions, for the remainder of the algorithm, in addition to disabling the register write enable of these instructions. By doing so, the latency of the algorithm is reduced and the performance is increased without the complexity and potential poor performance of compare and branch instructions that might otherwise be required.

REFERENCES:
patent: 3577190 (1971-05-01), Cocke et al.
patent: 5303355 (1994-04-01), Gergen et al.
patent: 5832258 (1998-11-01), Kiuchi et al.
patent: 6079008 (2000-06-01), Clery, III

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