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by zurn 4421 days ago
It's not literal even in Itanium's case, as it's about leveling the voltage droop and not temperature.

There can be many other kinds of run-ups to steady state happening in processors for microbenchmarks. Caches/TLBs, branch predictors, clock gating, macro scale voltage/frequency scaling, memory prefetching, power management in the system outside cpu, etc.