[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.2b4-210-gde6df61

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http://git.mpich.org/mpich.git/commitdiff/de6df61e8ceb2bbfc9bda82a66c6531c1ebd34ab

commit de6df61e8ceb2bbfc9bda82a66c6531c1ebd34ab
Author: Jeff Squyres <jsquyres at cisco.com>
Date:   Fri Sep 4 14:10:19 2015 -0500

    netmod/ofi: specify tx/rx ordering
    
    Per https://github.com/ofiwg/libfabric/issues/1217#issuecomment-131264316,
    you really need to specify FI_ORDER_SAS for both transmit and receive
    if you want to guarantee ordering on FI_EP_RDM endpoints (and you do;
    the MPI-style tagging interface doesn't make much sense unless the
    underlying fabric provider guarnatees ordering).
    
    Signed-off-by: Ken Raffenetti <raffenet at mcs.anl.gov>

diff --git a/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_init.c b/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_init.c
index 5de47b7..7c445ac 100644
--- a/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_init.c
+++ b/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_init.c
@@ -81,6 +81,8 @@ int MPID_nem_ofi_init(MPIDI_PG_t * pg_p, int pg_rank, char **bc_val_p, int *val_
     hints->mode             = FI_CONTEXT;
     hints->ep_attr->type    = FI_EP_RDM;      /* Reliable datagram         */
     hints->caps             = FI_TAGGED;      /* Tag matching interface    */
+    hints->tx_attr->msg_order = FI_ORDER_SAS;
+    hints->rx_attr->msg_order = FI_ORDER_SAS;
 
     hints->ep_attr->mem_tag_format = MEM_TAG_FORMAT;
     MPIU_Assert(pg_p->size < ((1 << MPID_RANK_BITS) - 1));

-----------------------------------------------------------------------

Summary of changes:
 .../ch3/channels/nemesis/netmod/ofi/ofi_init.c     |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)


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