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v1.10: coll/libnbc: fix iallgather[v] #2266

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Oct 21, 2016
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v1.10: coll/libnbc: fix iallgather[v] #2266

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14 changes: 8 additions & 6 deletions ompi/mca/coll/libnbc/nbc_iallgather.c
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Original file line number Diff line number Diff line change
@@ -1,9 +1,11 @@
/*
* Copyright (c) 2006 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2006 The Technical University of Chemnitz. All
* rights reserved.
* Copyright (c) 2006 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2006 The Technical University of Chemnitz. All
* rights reserved.
* Copyright (c) 2016 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
*
* Author(s): Torsten Hoefler <[email protected]>
*
Expand Down Expand Up @@ -98,7 +100,7 @@ int ompi_coll_libnbc_iallgather(void* sendbuf, int sendcount, MPI_Datatype sendt
res = NBC_Sched_recv(rbuf, false, recvcount, recvtype, r, schedule);
if (NBC_OK != res) { printf("Error in NBC_Sched_recv() (%i)\n", res); return res; }
/* send to rank r - not from the sendbuf to optimize MPI_IN_PLACE */
res = NBC_Sched_send(sbuf, false, sendcount, sendtype, r, schedule);
res = NBC_Sched_send(sbuf, false, recvcount, recvtype, r, schedule);
if (NBC_OK != res) { printf("Error in NBC_Sched_send() (%i)\n", res); return res; }
}
}
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5 changes: 4 additions & 1 deletion ompi/mca/coll/libnbc/nbc_iallgatherv.c
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,8 @@
* Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2013 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2016 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
*
*/
#include "nbc_internal.h"
Expand Down Expand Up @@ -77,7 +79,8 @@ int ompi_coll_libnbc_iallgatherv(void* sendbuf, int sendcount, MPI_Datatype send

res = NBC_Sched_recv(rbuf, false, recvcounts[rpeer], recvtype, rpeer, schedule);
if (NBC_OK != res) { printf("Error in NBC_Sched_recv() (%i)\n", res); return res; }
res = NBC_Sched_send(sbuf, false, sendcount, sendtype, speer, schedule);
/* send to rank r - not from the sendbuf to optimize MPI_IN_PLACE */
res = NBC_Sched_send(sbuf, false, recvcounts[rank], recvtype, speer, schedule);
if (NBC_OK != res) { printf("Error in NBC_Sched_send() (%i)\n", res); return res; }
}

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