Ansgar,

We are in the final stages of hwloc migration, please give our new
hwloc enabled loadcheck a try:

http://gridscheduler.sourceforge.net/projects/hwloc/GridEnginehwloc.html

Rayson




On Mon, Mar 14, 2011 at 11:11 AM, Esztermann, Ansgar
<[email protected]> wrote:
>
> On Mar 12, 2011, at 1:04 , Dave Love wrote:
>
>> "Esztermann, Ansgar" <[email protected]> writes:
>>
>>> Well, core IDs are unique only within the same socket ID (for older CPUs, 
>>> say Harpertown), so I would assume the same holds for node IDs -- it's just 
>>> that node IDs aren't displayed for Magny-Cours.
>>
>> What exactly would you expect?  hwloc's lstopo(1) gives the following
>> under current RedHat 5 (Linux 2.6.18-238.5.1.el5) on a Supermicro H8DGT
>> (Opteron 6134).  It seems to have the information exposed, but I'm not
>> sure how it should be.  (I guess GE should move to hwloc rather than
>> PLPA, which is now deprecated and not maintained.)
>>
>> Machine (63GB)
>>  Socket #0 (32GB)
>>    NUMANode #0 (phys=0 16GB) + L3 #0 (5118KB)
>>      L2 #0 (512KB) + L1 #0 (64KB) + Core #0 + PU #0 (phys=0)
>>      L2 #1 (512KB) + L1 #1 (64KB) + Core #1 + PU #1 (phys=1)
>>      L2 #2 (512KB) + L1 #2 (64KB) + Core #2 + PU #2 (phys=2)
>>      L2 #3 (512KB) + L1 #3 (64KB) + Core #3 + PU #3 (phys=3)
>>    NUMANode #1 (phys=1 16GB) + L3 #1 (5118KB)
>>      L2 #4 (512KB) + L1 #4 (64KB) + Core #4 + PU #4 (phys=4)
>>      L2 #5 (512KB) + L1 #5 (64KB) + Core #5 + PU #5 (phys=5)
>>      L2 #6 (512KB) + L1 #6 (64KB) + Core #6 + PU #6 (phys=6)
>>      L2 #7 (512KB) + L1 #7 (64KB) + Core #7 + PU #7 (phys=7)
> ...
>
> That's exactly what I'd expect...
> The interface at /sys/devices/system/cpu/cpuN/topology/ doesn't know about 
> NUMANodes, only about Sockets and cores. Thus, cores #0 and #4 in the output 
> above have the same core ID, and SGE interprets that as being one core with 
> two threads.
>
>
> A.
> --
> Ansgar Esztermann
> DV-Systemadministration
> Max-Planck-Institut für biophysikalische Chemie, Abteilung 105
>
>
> _______________________________________________
> users mailing list
> [email protected]
> https://gridengine.org/mailman/listinfo/users
>

_______________________________________________
users mailing list
[email protected]
https://gridengine.org/mailman/listinfo/users

Reply via email to