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OK thanks for clarifying. If there are explicit instructions for blocking speculation then why are you concerned about implicit barriers?
by als0 6y ago
OK thanks for clarifying. If there are explicit instructions for blocking speculation then why are you concerned about implicit barriers?
- monocasa 6y agoI'm not. My point is that this article was being unfairly interpreted by the parent as some black mark against x86. There's plenty to hold against it, but not really anything that's documented here. I probably should have made that clearer.
- phkahler 6y agoSeems like implicit undocumented barriers could be used in critical code to provide unfair performance advantage. Maybe. Might be a bit of a stretch.