Thanks for the response. > On Mar 14, 2018, at 4:28 PM, Brice Goglin <[email protected]> wrote: > > Good point. In theory, that's possible because we only look at cpusets > (NUMA nodes have cpusets, I/O don't). So the name of the function still > matches its behavior. > > However it won't happen in practice with the current code because I/O > are always attached to CPU objects. But it may change in the future with > things like processing-in-memory etc. > > Instead of calling this function, you could do a while > (!hwloc_obj_type_is_normal(obj->type)) obj = obj->parent; > > I'll update the doc too. Thanks. > > Brice > > > > Le 14/03/2018 à 22:16, Madhu, Kavitha Tiptur a écrit : >> A follow up question, can the call to hwloc_get_non_io_ancestor_obj() return >> a numa object? >> >>> On Mar 14, 2018, at 3:09 PM, Madhu, Kavitha Tiptur <[email protected]> wrote: >>> >>> Hi >>> This function was used to query depth of hardware objects of a certain type >>> to bind processes to objects at the depth or above in Hydra previously. As >>> you pointed out, the functionality makes no sense with NUMA/IO objects >>> possibly being at different depths or for objects. >>> >>>> On Mar 14, 2018, at 3:00 PM, Brice Goglin <[email protected]> wrote: >>>> >>>> Hello >>>> >>>> I can fix the documentation to say that the function always suceeds and >>>> returns the virtual depth for NUMA/IO/Misc. >>>> >>>> I don't understand your third sentence. If by "actual depth", you mean >>>> the depth of a (normal) parent where NUMA are attached (for instance the >>>> depth of Package if NUMAs are attached to Packages), see >>>> hwloc_get_memory_parents_depth(). However, you may have NUMA/IO/Misc >>>> attached to parents at different depths, so it doesn't make much sense >>>> in the general case. >>>> >>>> What do you use this function for? I thought of removing it from 2.0 >>>> because it's hard to define a "usual" order for object types (for >>>> instance L3 can be above or below NUMA for different modern platforms). >>>> >>>> Brice >>>> >>>> >>>> >>>> Le 14/03/2018 à 20:24, Madhu, Kavitha Tiptur a écrit : >>>>> Hello folks, >>>>> >>>>> The function hwloc_get_type_or_above_depth() is supposed to return the >>>>> depth of objects of type “type" or above. It internally calls >>>>> hwloc_get_type_depth which returns virtual depths to NUMA, IO and misc >>>>> objects. In order to retrieve the actual depth of these objects, one >>>>> needs to call hwloc_get_obj_depth() with virtual depth. Can the >>>>> documentation be updated to cover this? Or are there plans of changing >>>>> this behavior? >>>>> >>>>> Thanks >>>>> Kavitha >>>>> _______________________________________________ >>>>> hwloc-users mailing list >>>>> [email protected] >>>>> https://lists.open-mpi.org/mailman/listinfo/hwloc-users >>>> _______________________________________________ >>>> hwloc-users mailing list >>>> [email protected] >>>> https://lists.open-mpi.org/mailman/listinfo/hwloc-users >>> _______________________________________________ >>> hwloc-users mailing list >>> [email protected] >>> https://lists.open-mpi.org/mailman/listinfo/hwloc-users >> _______________________________________________ >> hwloc-users mailing list >> [email protected] >> https://lists.open-mpi.org/mailman/listinfo/hwloc-users > > _______________________________________________ > hwloc-users mailing list > [email protected] > https://lists.open-mpi.org/mailman/listinfo/hwloc-users
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