On Wed, Sep 12, 2018 at 12:24:10PM +0530, Srikar Dronamraju wrote: > Kernel A = 4.18+ 13 sched patches part of v4.19-rc1. > Kernel B = Kernel A + 6 patches > (http://lore.kernel.org/lkml/[email protected]) > Kernel C = Kernel B - (Avoid task migration for small numa improvement) i.e > > http://lore.kernel.org/lkml/[email protected] > + 2 patches from Mel > (Do not move imbalanced load purely) > > http://lore.kernel.org/lkml/[email protected] > (Stop comparing tasks for NUMA placement) > > http://lore.kernel.org/lkml/[email protected]
But that's not a fair comparison :/ You've complicated things by adding that second patch from Mel. Now you cannot (unambiguously) tell what the cause for the performance difference is.
