Re: [hwloc-users] Strange binding issue on 40 core nodes and cgroups

2012-11-02 Thread Brice Goglin
Le 02/11/2012 21:22, Brice Goglin a écrit : > hwloc-bind --get-last-cpu-location --pid should give the same > info but it seems broken on my machine right now, going to debug. Actually, that works fine once you try it on a non-multithreaded program that uses all cores :) So you can use top or hw

Re: [hwloc-users] Strange binding issue on 40 core nodes and cgroups

2012-11-02 Thread Brice Goglin
Le 02/11/2012 21:03, Brock Palen a écrit : > This isn't a hwloc problem exactly, but maybe you can shed some insight. > > We have some 4 socket 10 core = 40 core nodes, HT off: > > depth 0: 1 Machine (type #1) > depth 1: 4 NUMANodes (type #2) > depth 2:4 Sockets (type #3) >depth

[hwloc-users] Strange binding issue on 40 core nodes and cgroups

2012-11-02 Thread Brock Palen
This isn't a hwloc problem exactly, but maybe you can shed some insight. We have some 4 socket 10 core = 40 core nodes, HT off: depth 0:1 Machine (type #1) depth 1: 4 NUMANodes (type #2) depth 2: 4 Sockets (type #3) depth 3: 4 Caches (type #4) depth 4:40 Cache