Messages in this thread | | | Date | Wed, 4 Oct 2023 20:04:34 +0200 (CEST) | From | Julia Lawall <> | Subject | Re: EEVDF and NUMA balancing |
| |
> I'll go build the benchmark thing tomorrow, if I can figure out how that > works, this NAS stuff looked 'special'. Nothing simple like ./configure; > make -j$lots :/
Starting from git clone, I had to do:
cd NPB3.4-OMP mkdir bin cd config cp make.def.template make.def cd .. make ua CLASS=C
You also need gfortran to be installed.
> > > The commit e8f331bcc270 starts with > > > > - if (sched_feat(PLACE_LAG) && cfs_rq->nr_running > 1) { > > + if (sched_feat(PLACE_LAG) && cfs_rq->nr_running) { > > > > This seemed like a big change - cfs_rq->nr_running > 1 should be rarely > > true in ua, while cfs_rq->nr_running should always be true. Adding back > > the > 1 and simply replacing the test by 0 both had no effect, though. > > Yeah, this is because I flip the order of place_entity() and > nr_running++ around later in the patch. Previously it would increment > before place, now it does place before increment.
Ah, ok, not likely the source of the problem then.
Thanks, julia
| |