ch4/posix: shared memory based intra-node collectives#3490

Merged

yfguo merged 13 commits intopmodels:masterfrom jain-surabhi-23:intra_node_colls

Apr 24, 2019

+1,634-114

Commits on Apr 24, 2019

coll: Namespacing change in calculate_chunking_info

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coll: Namespacing change in MPII Treealgo tree

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configure: Add AM_CONDITIONAL for izem_atomic

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err: Add new err for noizem

jainsura-intel
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maint/extracterrmsgs: Allow errflag creation in func

jainsura-intel
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posix: Fix mpi_errno in posix_init

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posix: Add collective algorithm CVARS at shm level

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posix: Reuse POSIX global data structures in fbox

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posix: Set up release, gather based infrastructure

jainsura-intel
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posix: Implement shm bcast using release, gather

jainsura-intel
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posix: Implement shm reduce using release, gather

jainsura-intel
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test: Add bcast, reduce tests for newly added CVARS

jainsura-intel
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yfguo
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test: xfail coll algo tests using release_gather for intra-node
yfguo
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