Messages in this thread | | | Date | Mon, 7 Sep 2009 22:46:45 +0200 | From | Jens Axboe <> | Subject | Re: BFS vs. mainline scheduler benchmarks and measurements |
| |
On Mon, Sep 07 2009, Ingo Molnar wrote: > > * Jens Axboe <jens.axboe@oracle.com> wrote: > > > Agree, I was actually looking into doing joint latency for X > > number of tasks for the test app. I'll try and do that and see if > > we can detect something from that. > > Could you please try latest -tip: > > http://people.redhat.com/mingo/tip.git/README > > (c26f010 or later) > > Does it get any better with make -j128 build jobs? Peter just fixed
The compile 'problem' is on my workstation, which is a dual core Intel core 2. I use -j4 on that typically. On the bigger boxes, I don't notice any interactivity problems, largely because I don't run anything latency sensitive on those :-)
> a bug in the SMP load-balancer that can cause interactivity problems > on large CPU count systems.
Worth trying on the dual core box?
-- Jens Axboe
| |