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A comment on New x86 micro-op vulnerability breaks all known Spectre defenses. Parent comment

Re:New x86 micro-op vulnerability breaks all known Spectre d... by tyingq on Friday April 30, 2021 @07:59PM (#27001257)
Or to roll out more ARM, where there isn't currently any hyperthreading.
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Re:New x86 micro-op vulnerability breaks all known Spectre d... by jamieiles on Friday April 30, 2021 @08:09PM (#27001351)
Thunder X2 and X3 has 4 way SMT for general purpose, but yes, more ARM is good :-)
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Re:New x86 micro-op vulnerability breaks all known Spectre d... by hajile on Friday April 30, 2021 @10:11PM (#27002267)
4-way and 8-way SMT is about latency hiding (like MIMT in GPUs, but more flexible). It increases the probability that at least one thread has data it can be crunching.
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