Hi, On Tue, 18 Dec 2007, Finn Thain wrote: > Is there a tunable that might reduce the number of context switches? Only as a debug option, which would increase the cost even further. > (I'm > guessing that your stats reflect more switches, not more expensive > switching.) No, it's all the 64bit math that hurts m68k more than others and the increased scheduling frequency (practically every single tick) doesn't really help ever. bye, Roman