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| 1 | +/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */ |
| 2 | +/* |
| 3 | + * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana |
| 4 | + * University Research and Technology |
| 5 | + * Corporation. All rights reserved. |
| 6 | + * Copyright (c) 2004-2018 The University of Tennessee and The University |
| 7 | + * of Tennessee Research Foundation. All rights |
| 8 | + * reserved. |
| 9 | + * Copyright (c) 2004-2008 High Performance Computing Center Stuttgart, |
| 10 | + * University of Stuttgart. All rights reserved. |
| 11 | + * Copyright (c) 2004-2005 The Regents of the University of California. |
| 12 | + * All rights reserved. |
| 13 | + * Copyright (c) 2010 University of Houston. All rights reserved. |
| 14 | + * Copyright (c) 2012 Cisco Systems, Inc. All rights reserved. |
| 15 | + * Copyright (c) 2012-2013 Los Alamos National Security, LLC. All rights |
| 16 | + * reserved. |
| 17 | + * Copyright (c) 2015-2018 Research Organization for Information Science |
| 18 | + * and Technology (RIST). All rights reserved. |
| 19 | + * $COPYRIGHT$ |
| 20 | + * |
| 21 | + * Additional copyrights may follow |
| 22 | + * |
| 23 | + * $HEADER$ |
| 24 | + */ |
| 25 | + |
| 26 | +#include "ompi_config.h" |
| 27 | +#include <stdio.h> |
| 28 | + |
| 29 | +#include "ompi/mpi/c/bindings.h" |
| 30 | +#include "ompi/runtime/params.h" |
| 31 | +#include "ompi/communicator/communicator.h" |
| 32 | +#include "ompi/errhandler/errhandler.h" |
| 33 | +#include "ompi/datatype/ompi_datatype.h" |
| 34 | +#include "ompi/memchecker.h" |
| 35 | +#include "ompi/mpiext/pcollreq/c/mpiext_pcollreq_c.h" |
| 36 | +#include "ompi/runtime/ompi_spc.h" |
| 37 | + |
| 38 | +#if OMPI_BUILD_MPI_PROFILING |
| 39 | +#if OPAL_HAVE_WEAK_SYMBOLS |
| 40 | +#pragma weak MPIX_Allgatherv_init = PMPIX_Allgatherv_init |
| 41 | +#endif |
| 42 | +#define MPIX_Allgatherv_init PMPIX_Allgatherv_init |
| 43 | +#endif |
| 44 | + |
| 45 | +static const char FUNC_NAME[] = "MPIX_Allgatherv_init"; |
| 46 | + |
| 47 | + |
| 48 | +int MPIX_Allgatherv_init(const void *sendbuf, int sendcount, MPI_Datatype sendtype, |
| 49 | + void *recvbuf, const int recvcounts[], const int displs[], |
| 50 | + MPI_Datatype recvtype, MPI_Comm comm, |
| 51 | + MPI_Info info, MPI_Request *request) |
| 52 | +{ |
| 53 | + int i, size, err; |
| 54 | + |
| 55 | + SPC_RECORD(OMPI_SPC_ALLGATHERV_INIT, 1); |
| 56 | + |
| 57 | + MEMCHECKER( |
| 58 | + int rank; |
| 59 | + ptrdiff_t ext; |
| 60 | + |
| 61 | + rank = ompi_comm_rank(comm); |
| 62 | + size = ompi_comm_size(comm); |
| 63 | + ompi_datatype_type_extent(recvtype, &ext); |
| 64 | + |
| 65 | + memchecker_datatype(recvtype); |
| 66 | + memchecker_comm (comm); |
| 67 | + /* check whether the receive buffer is addressable. */ |
| 68 | + for (i = 0; i < size; i++) { |
| 69 | + memchecker_call(&opal_memchecker_base_isaddressable, |
| 70 | + (char *)(recvbuf)+displs[i]*ext, |
| 71 | + recvcounts[i], recvtype); |
| 72 | + } |
| 73 | + |
| 74 | + /* check whether the actual send buffer is defined. */ |
| 75 | + if (MPI_IN_PLACE == sendbuf) { |
| 76 | + memchecker_call(&opal_memchecker_base_isdefined, |
| 77 | + (char *)(recvbuf)+displs[rank]*ext, |
| 78 | + recvcounts[rank], recvtype); |
| 79 | + } else { |
| 80 | + memchecker_datatype(sendtype); |
| 81 | + memchecker_call(&opal_memchecker_base_isdefined, sendbuf, sendcount, sendtype); |
| 82 | + } |
| 83 | + ); |
| 84 | + |
| 85 | + if (MPI_PARAM_CHECK) { |
| 86 | + |
| 87 | + /* Unrooted operation -- same checks for all ranks on both |
| 88 | + intracommunicators and intercommunicators */ |
| 89 | + |
| 90 | + err = MPI_SUCCESS; |
| 91 | + OMPI_ERR_INIT_FINALIZE(FUNC_NAME); |
| 92 | + if (ompi_comm_invalid(comm)) { |
| 93 | + return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM, |
| 94 | + FUNC_NAME); |
| 95 | + } else if ((MPI_IN_PLACE == sendbuf && OMPI_COMM_IS_INTER(comm)) || |
| 96 | + MPI_IN_PLACE == recvbuf) { |
| 97 | + return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG, FUNC_NAME); |
| 98 | + } else if (MPI_DATATYPE_NULL == recvtype) { |
| 99 | + return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_TYPE, FUNC_NAME); |
| 100 | + } |
| 101 | + |
| 102 | + if (MPI_IN_PLACE != sendbuf) { |
| 103 | + OMPI_CHECK_DATATYPE_FOR_SEND(err, sendtype, sendcount); |
| 104 | + } |
| 105 | + OMPI_ERRHANDLER_CHECK(err, comm, err, FUNC_NAME); |
| 106 | + |
| 107 | + /* We always define the remote group to be the same as the local |
| 108 | + group in the case of an intracommunicator, so it's safe to |
| 109 | + get the size of the remote group here for both intra- and |
| 110 | + intercommunicators */ |
| 111 | + |
| 112 | + size = ompi_comm_remote_size(comm); |
| 113 | + for (i = 0; i < size; ++i) { |
| 114 | + if (recvcounts[i] < 0) { |
| 115 | + return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_COUNT, FUNC_NAME); |
| 116 | + } |
| 117 | + } |
| 118 | + |
| 119 | + if (NULL == displs) { |
| 120 | + return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_BUFFER, FUNC_NAME); |
| 121 | + } |
| 122 | + } |
| 123 | + |
| 124 | + OPAL_CR_ENTER_LIBRARY(); |
| 125 | + |
| 126 | + /* Invoke the coll component to perform the back-end operation */ |
| 127 | + err = comm->c_coll->coll_allgatherv_init(sendbuf, sendcount, sendtype, |
| 128 | + recvbuf, recvcounts, displs, |
| 129 | + recvtype, comm, info, request, |
| 130 | + comm->c_coll->coll_allgatherv_init_module); |
| 131 | + OMPI_ERRHANDLER_RETURN(err, comm, err, FUNC_NAME); |
| 132 | +} |
| 133 | + |
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