Reckoning the Spectre and Meltdown Performance Hit for HPC

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Linux.com - https://www.linux.com/news/reckoning-spectre-and-meltdown-performance-hit-hpc

While no one has yet created an exploit to take advantage of the Spectre and Meltdown speculative execution vulnerabilities that were exposed by Google six months ago and that were revealed in early January, it is only a matter of time. The patching frenzy has not settled down yet, and a big concern is not just whether these patches fill the security gaps, but at what cost they do so in terms of application performance.

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