Hi, > due to UP kernels not actually functioning at all on some recent > machines, we have decided to switch GENERIC to be multi-processor > supported by default, and have introdiced "GENERIC.UP" versions > where otherwise "GENERIC.MP" existed. > > > this shouldn't affect anyone and i hope it does not affect > performance in a noticeably way. i ran a bunch of benchmarks on > a U60 comparing UP and MP kernels in a single cpu configuration > and i was not able to detect any change in performance that was > not within the noise detected (infact, the numbers over 15 runs > actually gave the MP kernel a slight (0.02%) benefit.) > > the installer and normal builds will still offer/produce a > GENERIC.UP/GENERIC32.UP kernel but i would like to obsolete > these after netbsd 6.x is shipped. i'm going to be doing a lot > of testing, but anyone who cares about this should do the same, > if they would like to convince me otherwise. I've run into that for the second time. There's no documentation about what the GENERIC.UP and what the normal GENERIC kernel makes up, when you should use which one. For a first-time-installer, you just end up and think "hu? What's .UP?". Regards, Julian
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