Glorious wrote:biffzinker wrote:Reminded me of the "disable core parking" thread and some of the mixed results I got with it enabled/disabled.
May I ask why?
biffzinker wrote:Uh oh...IT'S A TRAP!
biffzinker wrote:I was thinking in regards to Sandy bridge having the uop queue laid out as 28-28, and with core parking enabled half the buffer goes unused.
biffzinker wrote:Ivy bridge/Haswell a single thread can use the whole 56 entry uop queue. With core parking enabled it should force the buffer from being partitioned into 28-28 hardwired split Sandy bridge has.
biffzinker wrote:I just saying on Ivy bridge core parking would allow the whole buffer to be assigned to one thread while the other thread is parked unless a demanding workload is run.
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