In other words, threads get processed faster without switching load to other cores.
My conclusion: if you have a fast CPU it's more efficient to let the thread 'wait for it's turn' than 'waste resources' assigning it to another core. For example if I didn't have 4 cores parked running double WoW I would have perfect system (I know I'm exagerrating, but bare with me).
In my opinion core parking is nice feature for single threaded applications, but due to some 'bug' or oversight, the cores don't get unparked efficiently. My theory behind that: when you have parked cores, single threaded applications get a boost and when you unpark cores, multithreading gets a boost. We see clear FPS increase with 4 cores parked on single instance of WoW, but when you run two WoW's, disabling parking increases performance. Used Shrine to Binan village flightpath as a test. When parking was enabled 4 cores were parked all the time (during testing). Ok, so I ran tests and I got clear results. It still shows up from time to time when people do some digging for ways to improve performance without spending money Its not needed anymore simple because SMP kernels are much more mature and handle hundreds to thousands of threads without a problem, parking a process (and subsequently all its threads and handles) on a single core will in fact reduce performance on modern computers Given that I've not modified my settings to my system, why am I not experiencing problems, while other people (often with better systems) are? I guess I'm wondering if Core Parking is a sort of red herring issue, or maybe I just don't understand it clearly enough.people lie, and/or are dumb, my best example are the people claiming their alienware is getting 200 FPS on ultra when my system is crawling along at 45 (timeless isle launch, locked server)Ĭore parking is a hold over, and is not needed on anything since vista, essentially you could lock a process to only use a certain core, this was useful on dual cores so that you could put something like a render on core1 and everything else on core0 I often see Core Parking as the suggested culprit of poor game performance.
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