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 <[email protected]> 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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