https://techcrunch.com/2018/01/11/google-claims-its-spectre-and-meltdown-mitigation-results-in-no-performance-degradation/

It’s been a long week since we first learned about the now infamous Spectre and Meltdown chip vulnerabilities. One of the issues with mitigating the danger these vulnerabilities pose is that they could result in serious performance degradation. In a blog post today, Google claimed their solutions resulted in no performance degradation across the different mitigation techniques they have developed.

The company’s Project Zero team discovered the chip vulnerabilities last year as it outlined in a blog post last week. As Google explained it, there are three variants here. The first two are known as Spectre and the third as Meltdown. The spooky nicknames just add to the drama of this entire event.