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I see you are getting down too for a very congenial, decent post. While HN does have an issue with differing opinions, for some reason this (and a few others)

• sciurus 8y ago
  "the only fix is to lose Speculative execution entirely" As mentioned elsewhere, this is incorrect and does not describe what CPU designers have done. That probably explains the downvotes.
• msbarnett 8y ago
  Because it's dead wrong, laughably so, in the assertion that speculative execution is a ~5% performance hit (it would, in reality, result in a couple of orders of magnitude slowdown on desktop workloads). As noted elsewhere OP completely misunderstood the fact that his CPU has received some of Intel's Spectre mitigation firmware patches and came to the silly conclusion that this meant his CPU was no longer doing speculative execution of any sort. HN is still a (vaguely) computer-savvy forum. Being extremely wrong about the fundamentals of how a modern CPU works is going to get you downvoted.