[mpich-discuss] mpich and hwloc 2

[Balaji, Pavan]

Thanks, Samuel.  We are currently working heads-down on our 3.2.1 and 3.3b1 releases.  But hwloc-2.0 is on our high-priority todo list.  We'll hopefully get to it soon after SC.

  -- Pavan

> On Oct 27, 2017, at 11:58 AM, Samuel Thibault <samuel.thibault at ens-lyon.org> wrote:
> 
> Hello,
> 
> hwloc 2 is to be released sooner or later, and it introduces a few API
> changes. The build log for version 3.3~a2 of mpich shows:
> 
> tools/topo/hwloc/topo_hwloc.c:428:40: error: 'HWLOC_MEMBIND_REPLICATE' undeclared (first use in this function); did you mean 'HWLOC_MEMBIND_MIGRATE'?
>         HYDT_topo_hwloc_info.membind = HWLOC_MEMBIND_REPLICATE;
>                                        ^~~~~~~~~~~~~~~~~~~~~~~
>                                        HWLOC_MEMBIND_MIGRATE
> 
> There might also be other issues.
> 
> To test against the development tree for hwloc 2, one can use
> 
> git clone http://github.com/open-mpi/hwloc.git
> 
> Samuel
> 
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