23:55:02pilltonscymtym john-a-carroll: Thanks for looking at it.
23:55:02Colleenpillton: scymtym said 10 hours, 25 minutes ago: the difference in real time spent in swtch_pri looks significant. i can't think of any easy fix, sorry. maybe you could try removing the sched_yield calls from clx? i have never tried that and don't know whether it can work or not
23:55:39pilltonjohn-a-carroll: I tried your suggestion but it is still a problem.
10:13:07john-a-carrollpillton: yes, for me it's only a slight mitigation. In my application I particularly notice the slow drawing speed when displaying a pane containing around 20 text fields and labels (it's a 'set options' dialog). Display speed looks roughly 20% better than before, but it's still embarrassing from a UI point of view.
10:14:33john-a-carrollOn Linux the same pane displays almost instantly