"PU P#0" means "PU object with physical index 0".
"P#" prefix means "physical index".
"L#" prefix means "logical index" (the one you want to use in get_obj_by_type).
Use -l or -p to switch from one to the other in lstopo.
Le 01/08/2011 14:47, Gabriele Fatigati a écrit :Hi Brice,
so, if I inderstand well, PU P# numbers are not the same specified as HWLOC_OBJ_PU flag?
2011/8/1 Brice Goglin <Brice.Goglin@inria.fr>
Le 01/08/2011 12:16, Gabriele Fatigati a écrit :
> Hi,These indexes are "physical indexes" (that's the default in the
> reading a hwloc-v1.2-a4 manual, on page 15, i look an example
> with 4-socket 2-core machine with hyperthreading.
> Core id's are not exclusive as said before. PU's id are exclusive but
> not physically sequential (I suppose)
> PU P#0 is in socket P#0 on Core P#0. PU P#1 is in another socket!
graphical lstopo output). But we may want to make that clearer in the doc.
Ing. Gabriele Fatigati
CINECA Systems & Tecnologies Department
Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy
www.cineca.it Tel: +39 051 6171722
g.fatigati [AT] cineca.it