Re: [hwloc-users] How are processor groups under Windows reported?

2017-11-29 Thread Brice Goglin
Le 29/11/2017 15:21, David Creasy a écrit : > Hello Brice, > > That makes perfect sense, and yes I do see group objects on larger > systems. I was hoping to use the number of groups to see if it was > safe to call hwloc_set_proc_cpubind(), but I obviously can't. I can of > course simply call the

Re: [hwloc-users] How are processor groups under Windows reported?

2017-11-29 Thread David Creasy
Hello Brice, That makes perfect sense, and yes I do see group objects on larger systems. I was hoping to use the number of groups to see if it was safe to call hwloc_set_proc_cpubind(), but I obviously can't. I can of course simply call the Windows GetActiveProcessorGroupCount() function

Re: [hwloc-users] How are processor groups under Windows reported?

2017-11-29 Thread Brice Goglin
Hello We only add hwloc Group objects when necessary. On your system, each processor group contains a single NUMA node, so these Groups would not really bring additional information about the hierarchy of resources. If you had a bigger system with, let's say, 4 NUMA nodes, with 2 of them in each

[hwloc-users] How are processor groups under Windows reported?

2017-11-29 Thread David Creasy
Hello, Thank you to all contributors to hwloc - very useful. In the FAQ,  under the section "What are these Group objects in my topology?" it says that they are used for "Windows processor groups". However, I'm either not seeing this, or I'm looking in the wrong place. On a system with two