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A CONCURRENT FAULT-DETECTION METHOD FOR INSTRUCTION LEVEL PARALLEL PROCESSORS
被引：0
作者：
PAWLOVSKY, AP
HANAWA, M
机构：
关键词：
INSTRUCTION LEVEL PARALLEL PROCESSOR;
FAULT-TOLERANCE;
CONCURRENT FAULT DETECTION;
NOP SLOTS;
STALLED CYCLES;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper describes a new method for the concurrent detection of faults in instruction level parallel (ILP) processors. This method uses the No OPeration (NOP) instruction slots that under branches, resource conflicts and some kind of data dependencies fill some of the pipelines (stages) in an ILP processor. NOPs are replaced by the copy of an effective instruction running in another pipeline. This allows the checking of the pipelines running the original instruction and its copy (ies), by the comparison of the outputs of their stages during the execution of the replicated instruction. We show some figures obtained for the application of this method to a two-pipeline superscalar processor.
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页码：755 / 762
页数：8
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