On Tue, Mar 22, 2016 at 10:00 AM, Douglas Ray <doug...@cpan.org> wrote:
> On 21/03/16 11:29 AM, Mark Kettenis wrote: > >> From: Amit Kulkarni <amitk...@gmail.com> >>> Date: Sun, 20 Mar 2016 17:57:49 -0500 >>> >> ... > >> +1. Previously, when I did a cvs update with original scheduler code, >>> doing >>> the ports update the machine always froze solid while doing cvs update, >>> taking 3 minutes to recover. This time with Martin's patch, the freezing >>> period seems to have decreased quite a bit, although the freeze still >>> happens. Stefan's amap diff and Bob's VFS/UVM diff also seems to have a >>> made a difference. >>> >>> Pentium G2020 2.9GHz dual core Ivy bridge 22nm... 8 GB RAM >>> >>> IMHO, this patch should go in!!!!! >>> >> >> No. It's a hack. It points out aproblem that should be investigated >> deeper. >> >> > If it gives a significant performance improvement but is too distant > from a real solution, maybe it could be worth distributing in > package(s) form. > > The team then has the option to actively promote it, or not; and > the package could be updated as new refinements are found. > > I am not sure if you know how the OpenBSD team operates. They call a hack a hack and will do it right. I am thankful that Michal pointed out a deficiency in our current implementation, and Martin reduced the test case. That will help to figure out where the problem(s) is/are. To repeat the team will do it right. Thanks
