Brice Goglin writes:
> So what's really slow is reading sysfs and/or inserting all hwloc
> objects in the tree. I need to do some profiling. And I am moving the
> item "parallelize the discovery" higher in the TODO list :)
It didn't seem to scale between systems with the number of sysfs opens,
a
Brice Goglin writes:
> I am not sure where that hwloc for RHEL on KNL is available from. It
> might be in Intel's "XPPSL" software suite.
I didn't know about that, but it only has hwloc 1.11.2, as in RHEL7
beta, in case the more recent changes for KNL are relevant.
[Because of the nasty packagi
Le 08/09/2016 19:17, Brice Goglin a écrit :
>
>> By the way, is it expected that binding will be slow on it? hwloc-bind
>> is ~10 times slower (~1s) than on two-socket sandybridge, and ~3 times
>> slower than on a 128-core, 16-socket system.
> Binding itself shouldn't be slower. But hwloc's topolo
