This source file includes following definitions.
- MPIX_Alltoall_init
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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_Alltoall_init = PMPIX_Alltoall_init
41 #endif
42 #define MPIX_Alltoall_init PMPIX_Alltoall_init
43 #endif
44
45 static const char FUNC_NAME[] = "MPIX_Alltoall_init";
46
47
48 int MPIX_Alltoall_init(const void *sendbuf, int sendcount, MPI_Datatype sendtype,
49 void *recvbuf, int recvcount, MPI_Datatype recvtype,
50 MPI_Comm comm, MPI_Info info, MPI_Request *request)
51 {
52 size_t sendtype_size, recvtype_size;
53 int err;
54
55 SPC_RECORD(OMPI_SPC_ALLTOALL_INIT, 1);
56
57 MEMCHECKER(
58 memchecker_comm(comm);
59 if (MPI_IN_PLACE != sendbuf) {
60 memchecker_datatype(sendtype);
61 memchecker_call(&opal_memchecker_base_isdefined, (void *)sendbuf, sendcount, sendtype);
62 }
63 memchecker_datatype(recvtype);
64 memchecker_call(&opal_memchecker_base_isaddressable, recvbuf, recvcount, recvtype);
65 );
66
67 if (MPI_PARAM_CHECK) {
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72 err = MPI_SUCCESS;
73 OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
74 if (ompi_comm_invalid(comm)) {
75 return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
76 FUNC_NAME);
77 } else if ((MPI_IN_PLACE == sendbuf && OMPI_COMM_IS_INTER(comm)) ||
78 MPI_IN_PLACE == recvbuf) {
79 return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
80 FUNC_NAME);
81 } else {
82 if (MPI_IN_PLACE != sendbuf) {
83 OMPI_CHECK_DATATYPE_FOR_SEND(err, sendtype, sendcount);
84 OMPI_ERRHANDLER_CHECK(err, comm, err, FUNC_NAME);
85 }
86 OMPI_CHECK_DATATYPE_FOR_RECV(err, recvtype, recvcount);
87 OMPI_ERRHANDLER_CHECK(err, comm, err, FUNC_NAME);
88 }
89
90 if (MPI_IN_PLACE != sendbuf && !OMPI_COMM_IS_INTER(comm)) {
91 ompi_datatype_type_size(sendtype, &sendtype_size);
92 ompi_datatype_type_size(recvtype, &recvtype_size);
93 if ((sendtype_size*sendcount) != (recvtype_size*recvcount)) {
94 return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_TRUNCATE, FUNC_NAME);
95 }
96 }
97 }
98
99 OPAL_CR_ENTER_LIBRARY();
100
101
102 err = comm->c_coll->coll_alltoall_init(sendbuf, sendcount, sendtype,
103 recvbuf, recvcount, recvtype, comm, info,
104 request, comm->c_coll->coll_alltoall_init_module);
105 OMPI_ERRHANDLER_RETURN(err, comm, err, FUNC_NAME);
106 }