浮点加法的伪复制。一种编译器生成的永久性硬件故障检测方法

Digest of Papers 1991 VLSI Test Symposium 'Chip-to-System Test Concerns for the 90's Pub Date : 1991-04-15 DOI:10.1109/VTEST.1991.208152

W. Hahn, M. Gössel

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引用次数: 4

摘要

提出了一种由编译器生成的检查点检测永久性硬件故障的方法。程序中的一些浮点加法指令用作检查点。编译器在不同的数据路径上自动生成不同的执行(伪复制)。研究了循环模式和故障覆盖率。该方法可以在没有额外硬件的情况下实现，并且性能降低是可以容忍的。

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Pseudoduplication of floating-point addition. A method of compiler generated checking of permanent hardware faults

A method of compiler generated checkpoints for the detection of permanent hardware faults is offered. Some of the floating point addition instructions of a program are used as checkpoints. The compiler automatically generates a diverse execution on different data paths (pseudo-duplication). Rounding-modes and fault coverage are investigated. The method can be implemented without additional hardware and with a tolerable reduction in performance.<>

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来源期刊

Digest of Papers 1991 VLSI Test Symposium 'Chip-to-System Test Concerns for the 90's

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