Measuring the Impact of Spectre and Meltdown
Measuring the Impact of Spectre and Meltdown
复制标题
衡量幽灵和崩溃的影响
DOI：
10.1109/hpec.2018.8547554
复制
发表时间：
2018
期刊：
影响因子：
--
通讯作者：
J. Kepner
中科院分区：
文献类型：
--
作者：
Andrew Prout;W. Arcand;David Bestor;Bill Bergeron;C. Byun;V. Gadepally;Michael Houle;M. Hubbell;Michael Jones;Anna Klein;P. Michaleas;Lauren Milechin;J. Mullen;Antonio Rosa;S. Samsi;Charles Yee;A. Reuther;J. Kepner
现代微处理器中的幽灵和崩溃缺陷代表了难以减轻的新攻击。提出的缓解措施具有已知的绩效影响。这些影响的报告量取决于行业部门和预期的工作量特征。在本文中，我们衡量对与HPC系统相关的几种工作负载的性能影响。我们表明，影响对合成和现实的工作量都可能是重要的。我们还表明，即使在安全性较少关注的专用系统中，绩效处罚也很难避免。
The Spectre and Meltdown flaws in modern microprocessors represent a new class of attacks that have been difficult to mitigate. The mitigations that have been proposed have known performance impacts. The reported magnitude of these impacts varies depending on the industry sector and expected workload characteristics. In this paper, we measure the performance impact on several workloads relevant to HPC systems. We show that the impact can be significant on both synthetic and realistic workloads. We also show that the performance penalties are difficult to avoid even in dedicated systems where security is a lesser concern.