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by Zondartul 547 days ago
What does "speculative" mean in this case? I understand it as CPU-level speculative execution a.k.a. branch mis-prediction, but that shouldn't have any real-world effects (or else we'd have segfaults all the time due to executing code that didn't really happen)
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Turns out you can have that kind of speculative failure too! https://randomascii.wordpress.com/2018/01/07/finding-a-cpu-d...