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hwlocality_helper_distribute(3) Hardware Locality (hwloc) hwlocality_helper_distribute(3)

hwlocality_helper_distribute


enum hwloc_distrib_flags_e { HWLOC_DISTRIB_FLAG_REVERSE }
 


static int hwloc_distrib (hwloc_topology_t topology, hwloc_obj_t *roots, unsigned n_roots, hwloc_cpuset_t *set, unsigned n, unsigned until, unsigned long flags)
 

Flags to be given to hwloc_distrib().
Enumerator
HWLOC_DISTRIB_FLAG_REVERSE
Distrib in reverse order, starting from the last objects.

Distribute n items over the topology under roots. Array set will be filled with n cpusets recursively distributed linearly over the topology under objects roots, down to depth until (which can be INT_MAX to distribute down to the finest level).
n_roots is usually 1 and roots only contains the topology root object so as to distribute over the entire topology.
This is typically useful when an application wants to distribute n threads over a machine, giving each of them as much private cache as possible and keeping them locally in number order.
The caller may typically want to also call hwloc_bitmap_singlify() before binding a thread so that it does not move at all.
flags should be 0 or a OR'ed set of hwloc_distrib_flags_e.
Note:
This function requires the roots objects to have a CPU set.
This function replaces the now deprecated hwloc_distribute() and hwloc_distributev() functions.

Generated automatically by Doxygen for Hardware Locality (hwloc) from the source code.
Sun Sep 2 2018 Version 1.11.11

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