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Re:Intel CPU Die Topology by jcranmer on Sunday May 28, 2023 @10:18AM (#36104193)
IIRC, core 0 is the one that tends to service processor interrupts, which may mean that the data is unusually noisy in a way that tends to underestimate the RTT latency time.
Re:Intel CPU Die Topology by jeffbee on Sunday May 28, 2023 @10:35AM (#36104335)
There’s a similar weird artifact at index 64.
Re:Intel CPU Die Topology by innocenat on Sunday May 28, 2023 @12:05PM (#36105261)
Core 64 is the hyper-threaded pair of core 0.
Re:Intel CPU Die Topology by jeffbee on Sunday May 28, 2023 @02:34PM (#36106552)
Not on that machine. That would only be true on a 128-thread system, but this one has 96 threads.