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首页> 外文会议>IEEE International Symposium on Theoretical Aspects of Software Engineering >Estimating the Soft Error Vulnerability of Register Files via Interprocedural Data Flow Analysis
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Estimating the Soft Error Vulnerability of Register Files via Interprocedural Data Flow Analysis

机译：通过中转数据流分析估算寄存器文件的软错误漏洞

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摘要

Subsequently to the wall of performance and power consumption, the dependability of computing, caused by soft errors, has become a growing design concern. Since Register Files (RFs) are accessed very frequently and cannot be well protected, soft errors occurred in them is one of the top reasons for affecting the reliability of programs. To access the soft errors vulnerability of RFs, this paper presents a static estimating method via interprocedural data flow analysis. Adopting a previous method, the vulnerability of a register is firstly decomposed into intrinsic and conditional basic block vulnerabilities. Under the prerequisite of context sensitivity, we focus on the computation the post conditions of basic blocks, which can be viewed as the living probability of the target register in the future usage. Finally, the program reliability can be calculated quantitatively under the occurrence of soft errors in RFs. Experimental results from the MiBench benchmarks indicate that our method is more accurate, and compatible with the AVF methods. We also reveal that the reliability of a program has a connection with its structure, such as the RVF factors, which suggests adopting the application specified protected mechanisms for tolerating soft errors occurred in RFs.
机译：随后在性能和功耗的墙壁上，由软误差引起的计算的可靠性已成为日益增长的设计问题。由于寄存器文件（RFS）非常频繁地访问，因此无法受到良好保护，因此它们发生的软错误是影响程序可靠性的最重要原因之一。要访问RFS的软错误漏洞，本文通过地区流动分析提出了一种静态估计方法。采用先前的方法，首先将寄存器的漏洞分解为内在和条件的基本块漏洞。在上下文敏感度的先决条件下，我们专注于计算基本块的后期条件，这可以被视为未来使用情况的目标寄存器的活性概率。最后，可以在RFS中的软错误发生下定量地计算程序可靠性。来自Mibench基准的实验结果表明我们的方法更准确，并与AVF方法兼容。我们还揭示了程序的可靠性与其结构的关系，例如RVF因素，这表明采用申请指定的受保护机制，用于容忍RFS中发生的软错误。

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