6f68483fd5
The feature of persistent collectives is approved in the Sept. 2018 MPI Forum meeting and 2018 Draft Specification of the MPI standard is published during SC18. Signed-off-by: KAWASHIMA Takahiro <t-kawashima@jp.fujitsu.com> (cherry picked from commit 5f0fcf0f456aaa43f36215859412f33f79ac91f9)
566 строки
27 KiB
Plaintext
566 строки
27 KiB
Plaintext
.\" -*- nroff -*-
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.\" Copyright (c) 2018 FUJITSU LIMITED. All rights reserved.
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.\" $COPYRIGHT$
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.TH MPIX_Barrier_init 3 "#OMPI_DATE#" "#PACKAGE_VERSION#" "#PACKAGE_NAME#"
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.SH NAME
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\fBMPIX_Allgather_init, MPIX_Allgatherv_init, MPIX_Allreduce_init, MPIX_Alltoall_init, MPIX_Alltoallv_init, MPIX_Alltoallw_init, MPIX_Barrier_init, MPIX_Bcast_init, MPIX_Exscan_init, MPIX_Gather_init, MPIX_Gatherv_init, MPIX_Reduce_init, MPIX_Reduce_scatter_init, MPIX_Reduce_scatter_block_init, MPIX_Scan_init, MPIX_Scatter_init, MPIX_Scatterv_init, MPIX_Neighbor_allgather_init, MPIX_Neighbor_allgatherv_init, MPIX_Neighbor_alltoall_init, MPIX_Neighbor_alltoallv_init, MPIX_Neighbor_alltoallw_init\fP \- Builds a handle for a collective communication or neighborhood collective communication
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.SH SYNTAX
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.ft R
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.SH C Syntax
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.nf
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#include <mpi.h>
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#include <mpi-ext.h>
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int MPIX_Allgather_init(const void *\fIsendbuf\fP, int \fIsendcount\fP,
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MPI_Datatype \fIsendtype\fP, void *\fIrecvbuf\fP, int \fIrecvcount\fP,
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MPI_Datatype \fIrecvtype\fP, MPI_Comm \fIcomm\fP, MPI_Info \fIinfo\fP,
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MPI_Request *\fIrequest\fP)
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int MPIX_Allgatherv_init(const void *\fIsendbuf\fP, int \fIsendcount\fP,
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MPI_Datatype \fIsendtype\fP, void *\fIrecvbuf\fP, const int \fIrecvcounts\fP[],
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const int \fIdispls\fP[], MPI_Datatype \fIrecvtype\fP, MPI_Comm \fIcomm\fP,
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MPI_Info \fIinfo\fP, MPI_Request *\fIrequest\fP)
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int MPIX_Allreduce_init(const void *\fIsendbuf\fP, void *\fIrecvbuf\fP, int \fIcount\fP,
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MPI_Datatype \fIdatatype\fP, MPI_Op \fIop\fP, MPI_Comm \fIcomm\fP, MPI_Info \fIinfo\fP,
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MPI_Request *\fIrequest\fP)
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int MPIX_Alltoall_init(const void *\fIsendbuf\fP, int \fIsendcount\fP,
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MPI_Datatype \fIsendtype\fP, void *\fIrecvbuf\fP, int \fIrecvcount\fP,
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MPI_Datatype \fIrecvtype\fP, MPI_Comm \fIcomm\fP, MPI_Info \fIinfo\fP,
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MPI_Request *\fIrequest\fP)
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int MPIX_Alltoallv_init(const void *\fIsendbuf\fP, const int \fIsendcounts\fP[],
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const int \fIsdispls\fP[], MPI_Datatype \fIsendtype\fP, void *\fIrecvbuf\fP,
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const int \fIrecvcounts\fP[], const int \fIrdispls\fP[], MPI_Datatype \fIrecvtype\fP,
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MPI_Comm \fIcomm\fP, MPI_Info \fIinfo\fP, MPI_Request *\fIrequest\fP)
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int MPIX_Alltoallw_init(const void *\fIsendbuf\fP, const int \fIsendcounts\fP[],
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const int \fIsdispls\fP[], const MPI_Datatype \fIsendtypes\fP[], void *\fIrecvbuf\fP,
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const int \fIrecvcounts\fP[], const int \fIrdispls\fP[],
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const MPI_Datatype \fIrecvtypes\fP[], MPI_Comm \fIcomm\fP, MPI_Info \fIinfo\fP,
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MPI_Request *\fIrequest\fP)
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int MPIX_Barrier_init(MPI_Comm \fIcomm\fP, MPI_Info \fIinfo\fP,
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MPI_Request *\fIrequest\fP)
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int MPIX_Bcast_init(void *\fIbuffer\fP, int \fIcount\fP, MPI_Datatype \fIdatatype\fP,
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int \fIroot\fP, MPI_Comm \fIcomm\fP, MPI_Info \fIinfo\fP, MPI_Request *\fIrequest\fP)
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int MPIX_Exscan_init(const void *\fIsendbuf\fP, void *\fIrecvbuf\fP, int \fIcount\fP,
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MPI_Datatype \fIdatatype\fP, MPI_Op \fIop\fP, MPI_Comm \fIcomm\fP, MPI_Info \fIinfo\fP,
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MPI_Request *\fIrequest\fP)
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int MPIX_Gather_init(const void *\fIsendbuf\fP, int \fIsendcount\fP,
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MPI_Datatype \fIsendtype\fP, void *\fIrecvbuf\fP, int \fIrecvcount\fP,
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MPI_Datatype \fIrecvtype\fP, int \fIroot\fP, MPI_Comm \fIcomm\fP, MPI_Info \fIinfo\fP,
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MPI_Request *\fIrequest\fP)
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int MPIX_Gatherv_init(const void *\fIsendbuf\fP, int \fIsendcount\fP,
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MPI_Datatype \fIsendtype\fP, void *\fIrecvbuf\fP, const int \fIrecvcounts\fP[],
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const int \fIdispls\fP[], MPI_Datatype \fIrecvtype\fP, int \fIroot\fP, MPI_Comm \fIcomm\fP,
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MPI_Info \fIinfo\fP, MPI_Request *\fIrequest\fP)
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int MPIX_Reduce_init(const void *\fIsendbuf\fP, void *\fIrecvbuf\fP, int \fIcount\fP,
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MPI_Datatype \fIdatatype\fP, MPI_Op \fIop\fP, int \fIroot\fP, MPI_Comm \fIcomm\fP,
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MPI_Info \fIinfo\fP, MPI_Request *\fIrequest\fP)
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int MPIX_Reduce_scatter_init(const void *\fIsendbuf\fP, void *\fIrecvbuf\fP,
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const int \fIrecvcounts\fP[], MPI_Datatype \fIdatatype\fP, MPI_Op \fIop\fP,
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MPI_Comm \fIcomm\fP, MPI_Info \fIinfo\fP, MPI_Request *\fIrequest\fP)
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int MPIX_Reduce_scatter_block_init(const void *\fIsendbuf\fP, void *\fIrecvbuf\fP,
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int \fIrecvcount\fP, MPI_Datatype \fIdatatype\fP, MPI_Op \fIop\fP, MPI_Comm \fIcomm\fP,
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MPI_Info \fIinfo\fP, MPI_Request *\fIrequest\fP)
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int MPIX_Scan_init(const void *\fIsendbuf\fP, void *\fIrecvbuf\fP, int \fIcount\fP,
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MPI_Datatype \fIdatatype\fP, MPI_Op \fIop\fP, MPI_Comm \fIcomm\fP, MPI_Info \fIinfo\fP,
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MPI_Request *\fIrequest\fP)
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int MPIX_Scatter_init(const void *\fIsendbuf\fP, int \fIsendcount\fP,
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MPI_Datatype \fIsendtype\fP, void *\fIrecvbuf\fP, int \fIrecvcount\fP,
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MPI_Datatype \fIrecvtype\fP, int \fIroot\fP, MPI_Comm \fIcomm\fP, MPI_Info \fIinfo\fP,
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MPI_Request *\fIrequest\fP)
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int MPIX_Scatterv_init(const void *\fIsendbuf\fP, const int \fIsendcounts\fP[],
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const int \fIdispls\fP[], MPI_Datatype \fIsendtype\fP, void *\fIrecvbuf\fP,
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int \fIrecvcount\fP, MPI_Datatype \fIrecvtype\fP, int \fIroot\fP, MPI_Comm \fIcomm\fP,
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MPI_Info \fIinfo\fP, MPI_Request *\fIrequest\fP)
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int MPIX_Neighbor_allgather_init(const void *\fIsendbuf\fP, int \fIsendcount\fP,
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MPI_Datatype \fIsendtype\fP, void *\fIrecvbuf\fP, int \fIrecvcount\fP,
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MPI_Datatype \fIrecvtype\fP, MPI_Comm \fIcomm\fP, MPI_Info \fIinfo\fP,
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MPI_Request *\fIrequest\fP)
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int MPIX_Neighbor_allgatherv_init(const void *\fIsendbuf\fP, int \fIsendcount\fP,
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MPI_Datatype \fIsendtype\fP, void *\fIrecvbuf\fP, const int \fIrecvcounts\fP[],
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const int \fIdispls\fP[], MPI_Datatype \fIrecvtype\fP, MPI_Comm \fIcomm\fP,
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MPI_Info \fIinfo\fP, MPI_Request *\fIrequest\fP)
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int MPIX_Neighbor_alltoall_init(const void *\fIsendbuf\fP, int \fIsendcount\fP,
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MPI_Datatype \fIsendtype\fP, void *\fIrecvbuf\fP, int \fIrecvcount\fP,
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MPI_Datatype \fIrecvtype\fP, MPI_Comm \fIcomm\fP, MPI_Info \fIinfo\fP,
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MPI_Request *\fIrequest\fP)
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int MPIX_Neighbor_alltoallv_init(const void *\fIsendbuf\fP,
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const int \fIsendcounts\fP[], const int \fIsdispls\fP[], MPI_Datatype \fIsendtype\fP,
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void *\fIrecvbuf\fP, const int \fIrecvcounts\fP[], const int \fIrdispls\fP[],
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MPI_Datatype \fIrecvtype\fP, MPI_Comm \fIcomm\fP, MPI_Info \fIinfo\fP,
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MPI_Request *\fIrequest\fP)
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int MPIX_Neighbor_alltoallw_init(const void *\fIsendbuf\fP,
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const int \fIsendcounts\fP[], const MPI_Aint \fIsdispls\fP[],
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const MPI_Datatype \fIsendtypes\fP[], void *\fIrecvbuf\fP,
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const int \fIrecvcounts\fP[], const MPI_Aint \fIrdispls\fP[],
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const MPI_Datatype \fIrecvtypes\fP[], MPI_Comm \fIcomm\fP, MPI_Info \fIinfo\fP,
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MPI_Request *\fIrequest\fP)
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.fi
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.SH Fortran Syntax
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.nf
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USE MPI
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USE MPI_EXT
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! or the older form: INCLUDE 'mpif.h'; INCLUDE 'mpif-ext.h'
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MPIX_ALLGATHER_INIT(\fISENDBUF, SENDCOUNT, SENDTYPE, RECVBUF, RECVCOUNT,
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RECVTYPE, COMM, INFO, REQUEST, IERROR\fP)
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<type> \fISENDBUF\fP(*)\fI, RECVBUF\fP(*)
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INTEGER \fISENDCOUNT, SENDTYPE, RECVCOUNT, RECVTYPE, COMM, INFO\fP
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INTEGER \fIREQUEST, IERROR\fP
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MPIX_ALLGATHERV_INIT(\fISENDBUF, SENDCOUNT, SENDTYPE, RECVBUF,
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RECVCOUNT, DISPLS, RECVTYPE, COMM, INFO, REQUEST, IERROR\fP)
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<type> \fISENDBUF\fP(*)\fI, RECVBUF\fP(*)
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INTEGER \fISENDCOUNT, SENDTYPE, RECVCOUNT\fP(*)
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INTEGER \fIDISPLS\fP(*)\fI, RECVTYPE, COMM, INFO, REQUEST, IERROR\fP
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MPIX_ALLREDUCE_INIT(\fISENDBUF, RECVBUF, COUNT, DATATYPE, OP, COMM, INFO,
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REQUEST, IERROR\fP)
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<type> \fISENDBUF\fP(*)\fI, RECVBUF\fP(*)
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INTEGER \fICOUNT, DATATYPE, OP, COMM, INFO, REQUEST, IERROR\fP
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MPIX_ALLTOALL_INIT(\fISENDBUF, SENDCOUNT, SENDTYPE, RECVBUF, RECVCOUNT,
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RECVTYPE, COMM, INFO, REQUEST, IERROR\fP)
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<type> \fISENDBUF(*), RECVBUF(*)\fP
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INTEGER \fISENDCOUNT, SENDTYPE, RECVCOUNT, RECVTYPE\fP
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INTEGER \fICOMM, INFO, REQUEST, IERROR\fP
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MPIX_ALLTOALLV_INIT(\fISENDBUF, SENDCOUNTS, SDISPLS, SENDTYPE,
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RECVBUF, RECVCOUNTS, RDISPLS, RECVTYPE, COMM, INFO, REQUEST,
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IERROR\fP)
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<type> \fISENDBUF(*), RECVBUF(*)\fP
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INTEGER \fISENDCOUNTS(*), SDISPLS(*), SENDTYPE\fP
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INTEGER \fIRECVCOUNTS(*), RDISPLS(*), RECVTYPE\fP
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INTEGER \fICOMM, INFO, REQUEST, IERROR\fP
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MPIX_ALLTOALLW_INIT(\fISENDBUF, SENDCOUNTS, SDISPLS, SENDTYPES,
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RECVBUF, RECVCOUNTS, RDISPLS, RECVTYPES, COMM, INFO, REQUEST,
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IERROR\fP)
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<type> \fISENDBUF(*), RECVBUF(*)\fP
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INTEGER \fISENDCOUNTS(*), SDISPLS(*), SENDTYPES(*)\fP
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INTEGER \fIRECVCOUNTS(*), RDISPLS(*), RECVTYPES(*)\fP
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INTEGER \fICOMM, INFO, REQUEST, IERROR\fP
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MPIX_BARRIER_INIT(\fICOMM\fP, \fIINFO\fP, \fIREQUEST\fP, \fIIERROR\fP)
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INTEGER \fICOMM\fP, \fIINFO\fP, \fIREQUEST\fP, \fIIERROR\fP
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MPIX_BCAST_INIT(\fIBUFFER\fP, \fICOUNT\fP, \fIDATATYPE\fP, \fIROOT\fP, \fICOMM\fP, \fIINFO\fP, \fIREQUEST\fP,
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\fIIERROR\fP)
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<type> \fIBUFFER\fP(*)
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INTEGER \fICOUNT\fP, \fIDATATYPE\fP, \fIROOT\fP, \fICOMM\fP, \fIINFO\fP, \fIREQUEST\fP, \fIIERROR\fP
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MPIX_EXSCAN_INIT(\fISENDBUF, RECVBUF, COUNT, DATATYPE, OP, COMM, INFO,
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REQUEST, IERROR\fP)
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<type> \fISENDBUF(*), RECVBUF(*)\fP
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INTEGER \fICOUNT, DATATYPE, OP, COMM, INFO, REQUEST, IERROR\fP
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MPIX_GATHER_INIT(\fISENDBUF, SENDCOUNT, SENDTYPE, RECVBUF, RECVCOUNT,
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RECVTYPE, ROOT, COMM, INFO, REQUEST, IERROR\fP)
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<type> \fISENDBUF(*), RECVBUF(*)\fP
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INTEGER \fISENDCOUNT, SENDTYPE, RECVCOUNT, RECVTYPE, ROOT\fP
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INTEGER \fICOMM, INFO, REQUEST, IERROR\fP
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MPIX_GATHERV_INIT(\fISENDBUF, SENDCOUNT, SENDTYPE, RECVBUF, RECVCOUNTS,
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DISPLS, RECVTYPE, ROOT, COMM, INFO, REQUEST, IERROR\fP)
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<type> \fISENDBUF(*), RECVBUF(*)\fP
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INTEGER \fISENDCOUNT, SENDTYPE, RECVCOUNTS(*), DISPLS(*)\fP
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INTEGER \fIRECVTYPE, ROOT, COMM, INFO, REQUEST, IERROR\fP
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MPIX_REDUCE_INIT(\fISENDBUF, RECVBUF, COUNT, DATATYPE, OP, ROOT, COMM,
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INFO, REQUEST, IERROR\fP)
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<type> \fISENDBUF(*), RECVBUF(*)\fP
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INTEGER \fICOUNT, DATATYPE, OP, ROOT, COMM, INFO, REQUEST, IERROR\fP
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MPIX_REDUCE_SCATTER_INIT(\fISENDBUF, RECVBUF, RECVCOUNTS, DATATYPE, OP,
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COMM, INFO, REQUEST, IERROR\fP)
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<type> \fISENDBUF(*), RECVBUF(*)\fP
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INTEGER \fIRECVCOUNTS(*), DATATYPE, OP, COMM, INFO, REQUEST, IERROR \fP
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MPIX_REDUCE_SCATTER_BLOCK_INIT(\fISENDBUF, RECVBUF, RECVCOUNT, DATATYPE,
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OP, COMM, INFO, REQUEST, IERROR\fP)
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<type> \fISENDBUF(*), RECVBUF(*)\fP
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INTEGER \fIRECVCOUNT, DATATYPE, OP, COMM, INFO, REQUEST, IERROR \fP
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MPIX_SCAN_INIT(\fISENDBUF, RECVBUF, COUNT, DATATYPE, OP, COMM, INFO,
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REQUEST, IERROR\fP)
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<type> \fISENDBUF(*), RECVBUF(*)\fP
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INTEGER \fICOUNT, DATATYPE, OP, COMM, INFO, REQUEST, IERROR\fP
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MPIX_SCATTER_INIT(\fISENDBUF, SENDCOUNT, SENDTYPE, RECVBUF, RECVCOUNT,
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RECVTYPE, ROOT, COMM, INFO, REQUEST, IERROR\fP)
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<type> \fISENDBUF(*), RECVBUF(*)\fP
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INTEGER \fISENDCOUNT, SENDTYPE, RECVCOUNT, RECVTYPE, ROOT\fP
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INTEGER \fICOMM, INFO, REQUEST, IERROR\fP
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MPIX_SCATTERV_INIT(\fISENDBUF, SENDCOUNTS, DISPLS, SENDTYPE, RECVBUF,
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RECVCOUNT, RECVTYPE, ROOT, COMM, INFO, REQUEST, IERROR\fP)
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<type> \fISENDBUF(*), RECVBUF(*)\fP
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INTEGER \fISENDCOUNTS(*), DISPLS(*), SENDTYPE\fP
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INTEGER \fIRECVCOUNT, RECVTYPE, ROOT, COMM, INFO, REQUEST, IERROR\fP
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MPIX_NEIGHBOR_ALLGATHER_INIT(\fISENDBUF\fP, \fISENDCOUNT\fP, \fISENDTYPE\fP, \fIRECVBUF\fP,
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\fIRECVCOUNT\fP, \fIRECVTYPE\fP, \fICOMM\fP, \fIINFO\fP, \fIREQUEST\fP, \fIIERROR\fP)
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<type> \fISENDBUF\fP(*), \fIRECVBUF\fP(*)
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INTEGER \fISENDCOUNT\fP, \fISENDTYPE\fP, \fIRECVCOUNT\fP, \fIRECVTYPE\fP, \fICOMM\fP,
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INTEGER \fIINFO, REQUEST, IERROR\fP
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MPIX_NEIGHBOR_ALLGATHERV_INIT(\fISENDBUF\fP, \fISENDCOUNT\fP, \fISENDTYPE\fP, \fIRECVBUF\fP,
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\fIRECVCOUNT\fP, \fIDISPLS\fP, \fIRECVTYPE\fP, \fICOMM\fP, \fIINFO\fP, \fIREQUEST\fP, \fIIERROR\fP)
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<type> \fISENDBUF\fP(*), \fIRECVBUF\fP(*)
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INTEGER \fISENDCOUNT\fP, \fISENDTYPE\fP, \fIRECVCOUNT\fP(*),
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INTEGER \fIDISPLS\fP(*), \fIRECVTYPE\fP, \fICOMM\fP, \fIINFO\fP, \fIREQUEST\fP, \fIIERROR\fP
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MPIX_NEIGHBOR_ALLTOALL_INIT(\fISENDBUF, SENDCOUNT, SENDTYPE, RECVBUF,
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RECVCOUNT, RECVTYPE, COMM, INFO, REQUEST, IERROR\fP)
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<type> \fISENDBUF(*), RECVBUF(*)\fP
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INTEGER \fISENDCOUNT, SENDTYPE, RECVCOUNT, RECVTYPE\fP
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INTEGER \fICOMM, INFO, REQUEST, IERROR\fP
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MPIX_NEIGHBOR_ALLTOALLV_INIT(\fISENDBUF, SENDCOUNTS, SDISPLS, SENDTYPE,
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RECVBUF, RECVCOUNTS, RDISPLS, RECVTYPE, COMM, INFO, REQUEST,
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IERROR\fP)
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<type> \fISENDBUF(*), RECVBUF(*)\fP
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INTEGER \fISENDCOUNTS(*), SDISPLS(*), SENDTYPE\fP
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INTEGER \fIRECVCOUNTS(*), RDISPLS(*), RECVTYPE\fP
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INTEGER \fICOMM, INFO, REQUEST, IERROR\fP
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MPIX_NEIGHBOR_ALLTOALLW_INIT(\fISENDBUF, SENDCOUNTS, SDISPLS, SENDTYPES,
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RECVBUF, RECVCOUNTS, RDISPLS, RECVTYPES, COMM, INFO, REQUEST,
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IERROR\fP)
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<type> \fISENDBUF(*), RECVBUF(*)\fP
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INTEGER \fISENDCOUNTS(*), SENDTYPES(*)\fP
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INTEGER \fIRECVCOUNTS(*), RECVTYPES(*)\fP
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INTEGER(KIND=MPI_ADDRESS_KIND) \fISDISPLS(*), RDISPLS(*)\fP
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INTEGER \fICOMM, INFO, REQUEST, IERROR\fP
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.fi
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.SH Fortran 2008 Syntax
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.nf
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USE mpi_f08
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USE mpi_f08_ext
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MPIX_Allgather_init(\fIsendbuf\fP, \fIsendcount\fP, \fIsendtype\fP, \fIrecvbuf\fP, \fIrecvcount\fP,
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\fIrecvtype\fP, \fIcomm\fP, \fIinfo\fP, \fIrequest\fP, \fIierror\fP)
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TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
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TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
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INTEGER, INTENT(IN) :: \fIsendcount\fP, \fIrecvcount\fP
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TYPE(MPI_Datatype), INTENT(IN) :: \fIsendtype\fP, \fIrecvtype\fP
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TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
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TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
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TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
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INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
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MPIX_Allgatherv_init(\fIsendbuf\fP, \fIsendcount\fP, \fIsendtype\fP, \fIrecvbuf\fP, \fIrecvcounts\fP,
|
|
\fIdispls\fP, \fIrecvtype\fP, \fIcomm\fP, \fIinfo\fP, \fIrequest\fP, \fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
|
|
INTEGER, INTENT(IN) :: \fIsendcount\fP
|
|
INTEGER, INTENT(IN), ASYNCHRONOUS :: \fIrecvcounts(*)\fP, \fIdispls(*)\fP
|
|
TYPE(MPI_Datatype), INTENT(IN) :: \fIsendtype\fP, \fIrecvtype\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Allreduce_init(\fIsendbuf\fP, \fIrecvbuf\fP, \fIcount\fP, \fIdatatype\fP, \fIop\fP, \fIcomm\fP, \fIinfo\fP,
|
|
\fIrequest\fP, \fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
|
|
INTEGER, INTENT(IN) :: \fIcount\fP
|
|
TYPE(MPI_Datatype), INTENT(IN) :: \fIdatatype\fP
|
|
TYPE(MPI_Op), INTENT(IN) :: \fIop\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Alltoall_init(\fIsendbuf\fP, \fIsendcount\fP, \fIsendtype\fP, \fIrecvbuf\fP, \fIrecvcount\fP,
|
|
\fIrecvtype\fP, \fIcomm\fP, \fIinfo\fP, \fIrequest\fP, \fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
|
|
INTEGER, INTENT(IN) :: \fIsendcount\fP, \fIrecvcount\fP
|
|
TYPE(MPI_Datatype), INTENT(IN) :: \fIsendtype\fP, \fIrecvtype\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Alltoallv_init(\fIsendbuf\fP, \fIsendcounts\fP, \fIsdispls\fP, \fIsendtype\fP, \fIrecvbuf\fP,
|
|
\fIrecvcounts\fP, \fIrdispls\fP, \fIrecvtype\fP, \fIcomm\fP, \fIinfo\fP, \fIrequest\fP, \fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
|
|
INTEGER, INTENT(IN), ASYNCHRONOUS :: \fIsendcounts(*)\fP, \fIsdispls(*)\fP,
|
|
\fIrecvcounts(*)\fP, \fIrdispls(*)\fP
|
|
TYPE(MPI_Datatype), INTENT(IN) :: \fIsendtype\fP, \fIrecvtype\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Alltoallw_init(\fIsendbuf\fP, \fIsendcounts\fP, \fIsdispls\fP, \fIsendtypes\fP, \fIrecvbuf\fP,
|
|
\fIrecvcounts\fP, \fIrdispls\fP, \fIrecvtypes\fP, \fIcomm\fP, \fIinfo\fP, \fIrequest\fP, \fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
|
|
INTEGER, INTENT(IN), ASYNCHRONOUS :: \fIsendcounts(*)\fP, \fIsdispls(*)\fP,
|
|
\fIrecvcounts(*)\fP, \fIrdispls(*)\fP
|
|
TYPE(MPI_Datatype), INTENT(IN), ASYNCHRONOUS :: \fIsendtypes(*)\fP,
|
|
\fIrecvtypes(*)\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Barrier_init(\fIcomm\fP, \fIinfo\fP, \fIrequest\fP, \fIierror\fP)
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Bcast_init(\fIbuffer\fP, \fIcount\fP, \fIdatatype\fP, \fIroot\fP, \fIcomm\fP, \fIinfo\fP, \fIrequest\fP,
|
|
\fIierror\fP)
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIbuffer\fP
|
|
INTEGER, INTENT(IN) :: \fIcount\fP, \fIroot\fP
|
|
TYPE(MPI_Datatype), INTENT(IN) :: \fIdatatype\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Exscan_init(\fIsendbuf\fP, \fIrecvbuf\fP, \fIcount\fP, \fIdatatype\fP, \fIop\fP, \fIcomm\fP, \fIinfo\fP,
|
|
\fIrequest\fP, \fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
|
|
INTEGER, INTENT(IN) :: \fIcount\fP
|
|
TYPE(MPI_Datatype), INTENT(IN) :: \fIdatatype\fP
|
|
TYPE(MPI_Op), INTENT(IN) :: \fIop\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Gather_init(\fIsendbuf\fP, \fIsendcount\fP, \fIsendtype\fP, \fIrecvbuf\fP,
|
|
\fIrecvcount\fP, \fIrecvtype\fP, \fIroot\fP, \fIcomm\fP, \fIinfo\fP, \fIrequest\fP, \fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
|
|
INTEGER, INTENT(IN) :: \fIsendcount\fP, \fIrecvcount\fP, \fIroot\fP
|
|
TYPE(MPI_Datatype), INTENT(IN) :: \fIsendtype\fP, \fIrecvtype\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Gatherv_init(\fIsendbuf\fP, \fIsendcount\fP, \fIsendtype\fP, \fIrecvbuf\fP, \fIrecvcounts\fP,
|
|
\fIdispls\fP, \fIrecvtype\fP, \fIroot\fP, \fIcomm\fP, \fIinfo\fP, \fIrequest\fP, \fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
|
|
INTEGER, INTENT(IN) :: \fIsendcount\fP, \fIroot\fP
|
|
INTEGER, INTENT(IN), ASYNCHRONOUS :: \fIrecvcounts(*)\fP, \fIdispls(*)\fP
|
|
TYPE(MPI_Datatype), INTENT(IN) :: \fIsendtype\fP, \fIrecvtype\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Reduce_init(\fIsendbuf\fP, \fIrecvbuf\fP, \fIcount\fP, \fIdatatype\fP, \fIop\fP, \fIroot\fP, \fIcomm\fP,
|
|
\fIinfo\fP, \fIrequest\fP, \fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
|
|
INTEGER, INTENT(IN) :: \fIcount\fP, \fIroot\fP
|
|
TYPE(MPI_Datatype), INTENT(IN) :: \fIdatatype\fP
|
|
TYPE(MPI_Op), INTENT(IN) :: \fIop\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Reduce_scatter_init(\fIsendbuf\fP, \fIrecvbuf\fP, \fIrecvcounts\fP, \fIdatatype\fP, \fIop\fP,
|
|
\fIcomm\fP, \fIinfo\fP, \fIrequest\fP, \fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
|
|
INTEGER, INTENT(IN), ASYNCHRONOUS :: \fIrecvcounts(*)\fP
|
|
TYPE(MPI_Datatype), INTENT(IN) :: \fIdatatype\fP
|
|
TYPE(MPI_Op), INTENT(IN) :: \fIop\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Reduce_scatter_block_init(\fIsendbuf\fP, \fIrecvbuf\fP, \fIrecvcount\fP, \fIdatatype\fP,
|
|
\fIop\fP, \fIcomm\fP, \fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
|
|
INTEGER, INTENT(IN) :: \fIrecvcount\fP
|
|
TYPE(MPI_Datatype), INTENT(IN) :: \fIdatatype\fP
|
|
TYPE(MPI_Op), INTENT(IN) :: \fIop\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Reduce_scatter_block_init(\fIsendbuf\fP, \fIrecvbuf\fP, \fIrecvcount\fP, \fIdatatype\fP, \fIop\fP,
|
|
\fIcomm\fP, \fIinfo\fP, \fIrequest\fP, \fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
|
|
INTEGER, INTENT(IN) :: \fIrecvcount\fP
|
|
TYPE(MPI_Datatype), INTENT(IN) :: \fIdatatype\fP
|
|
TYPE(MPI_Op), INTENT(IN) :: \fIop\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Scan_init(\fIsendbuf\fP, \fIrecvbuf\fP, \fIcount\fP, \fIdatatype\fP, \fIop\fP, \fIcomm\fP, \fIinfo\fP,
|
|
\fIrequest\fP, \fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
|
|
INTEGER, INTENT(IN) :: \fIcount\fP
|
|
TYPE(MPI_Datatype), INTENT(IN) :: \fIdatatype\fP
|
|
TYPE(MPI_Op), INTENT(IN) :: \fIop\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Scatter_init(\fIsendbuf\fP, \fIsendcount\fP, \fIsendtype\fP, \fIrecvbuf\fP, \fIrecvcount\fP,
|
|
\fIrecvtype\fP, \fIroot\fP, \fIcomm\fP, \fIinfo\fP, \fIrequest\fP, \fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
|
|
INTEGER, INTENT(IN) :: \fIsendcount\fP, \fIrecvcount\fP, \fIroot\fP
|
|
TYPE(MPI_Datatype), INTENT(IN) :: \fIsendtype\fP, \fIrecvtype\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Scatterv_init(\fIsendbuf\fP, \fIsendcounts\fP, \fIdispls\fP, \fIsendtype\fP, \fIrecvbuf\fP,
|
|
\fIrecvcount\fP, \fIrecvtype\fP, \fIroot\fP, \fIcomm\fP, \fIinfo\fP, \fIrequest\fP, \fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
|
|
INTEGER, INTENT(IN), ASYNCHRONOUS :: \fIsendcounts(*)\fP, \fIdispls(*)\fP
|
|
INTEGER, INTENT(IN) :: \fIrecvcount\fP, \fIroot\fP
|
|
TYPE(MPI_Datatype), INTENT(IN) :: \fIsendtype\fP, \fIrecvtype\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Neighbor_allgather_init(\fIsendbuf\fP, \fIsendcount\fP, \fIsendtype\fP, \fIrecvbuf\fP,
|
|
\fIrecvcount\fP, \fIrecvtype\fP, \fIcomm\fP, \fIinfo\fP, \fIrequest\fP, \fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
|
|
INTEGER, INTENT(IN) :: \fIsendcount\fP, \fIrecvcount\fP
|
|
TYPE(MPI_Datatype), INTENT(IN) :: \fIsendtype\fP, \fIrecvtype\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Neighbor_allgatherv_init(\fIsendbuf\fP, \fIsendcount\fP, \fIsendtype\fP, \fIrecvbuf\fP,
|
|
\fIrecvcounts\fP, \fIdispls\fP, \fIrecvtype\fP, \fIcomm\fP, \fIinfo\fP, \fIrequest\fP, \fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
|
|
INTEGER, INTENT(IN) :: \fIsendcount\fP
|
|
INTEGER, INTENT(IN), ASYNCHRONOUS :: \fIrecvcounts(*)\fP, \fIdispls(*)\fP
|
|
TYPE(MPI_Datatype), INTENT(IN) :: \fIsendtype\fP, \fIrecvtype\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Neighbor_alltoall_init(\fIsendbuf\fP, \fIsendcount\fP, \fIsendtype\fP, \fIrecvbuf\fP,
|
|
\fIrecvcount\fP, \fIrecvtype\fP, \fIcomm\fP, \fIinfo\fP, \fIrequest\fP, \fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
|
|
INTEGER, INTENT(IN) :: \fIsendcount\fP, \fIrecvcount\fP
|
|
TYPE(MPI_Datatype), INTENT(IN) :: \fIsendtype\fP, \fIrecvtype\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Neighbor_alltoallv_init(\fIsendbuf\fP, \fIsendcounts\fP, \fIsdispls\fP, \fIsendtype\fP,
|
|
\fIrecvbuf\fP, \fIrecvcounts\fP, \fIrdispls\fP, \fIrecvtype\fP, \fIcomm\fP, \fIinfo\fP, \fIrequest\fP,
|
|
\fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
|
|
INTEGER, INTENT(IN), ASYNCHRONOUS :: \fIsendcounts(*)\fP, \fIsdispls(*)\fP,
|
|
\fIrecvcounts(*)\fP, \fIrdispls(*)\fP
|
|
TYPE(MPI_Datatype), INTENT(IN) :: \fIsendtype\fP, \fIrecvtype\fP
|
|
TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
|
|
TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
|
|
TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
|
|
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
|
|
|
|
MPIX_Neighbor_alltoallw_init(\fIsendbuf\fP, \fIsendcounts\fP, \fIsdispls\fP, \fIsendtypes\fP,
|
|
\fIrecvbuf\fP, \fIrecvcounts\fP, \fIrdispls\fP, \fIrecvtypes\fP, \fIcomm\fP, \fIinfo\fP, \fIrequest\fP,
|
|
\fIierror\fP)
|
|
TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: \fIsendbuf\fP
|
|
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: \fIrecvbuf\fP
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INTEGER, INTENT(IN), ASYNCHRONOUS :: \fIsendcounts(*)\fP, \fIrecvcounts(*)\fP
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INTEGER(KIND=MPI_ADDRESS_KIND), INTENT(IN), ASYNCHRONOUS ::
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\fIsdispls(*)\fP, \fIrdispls(*)\fP
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TYPE(MPI_Datatype), INTENT(IN), ASYNCHRONOUS :: \fIsendtypes(*)\fP,
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\fIrecvtypes(*)\fP
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TYPE(MPI_Comm), INTENT(IN) :: \fIcomm\fP
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TYPE(MPI_Info), INTENT(IN) :: \fIinfo\fP
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TYPE(MPI_Request), INTENT(OUT) :: \fIrequest\fP
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INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
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.fi
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.SH DESCRIPTION
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.ft R
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Creates a persistent communication request for a collective operation or neighborhood collective operation.
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As of Nov. 2018, the feature of persistent collective communication operations and persistent collective neighborhood communication operations is planned to be included in the next MPI Standard after MPI-3.1.
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.nf
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https://github.com/mpi-forum/mpi-issues/issues/25
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.fi
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Open MPI implements 2018 Draft Specification of the MPI standard shown in the following URL.
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.nf
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https://www.mpi-forum.org/docs/drafts/mpi-2018-draft-report.pdf
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.fi
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The interface may still change in the standard. Therefore the prefix \fIMPIX_\fP is used instead of \fIMPI_\fP for these request creation routines. To start, complete, and free the created request, usual MPI routines (\fIMPI_Start\fP etc.) can be used.
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Future versions of Open MPI will switch to the \fIMPI_\fP prefix and will not require the C header file \fImpi-ext.h\fP, the Fortran modules \fImpi_ext\fP and \fImpi_f08_ext\fP, and the Fortran header file \fImpif-ext.h\fP once the MPI Standard which includes this feature is published.
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.SH EXAMPLE
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.nf
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MPI_Request req;
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MPIX_Barrier_init(MPI_COMM_WORLD, MPI_INFO_NULL, &req);
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MPI_Start(&req);
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MPI_Wait(&req, MPI_STATUS_IGNORE);
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MPI_Request_free(&req);
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.fi
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.SH SEE ALSO
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.ft R
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.sp
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MPI_Start
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.br
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MPI_Startall
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.br
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MPI_Request_free
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