This source file includes following definitions.
- MPI_Ialltoall
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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/runtime/ompi_spc.h"
36
37 #if OMPI_BUILD_MPI_PROFILING
38 #if OPAL_HAVE_WEAK_SYMBOLS
39 #pragma weak MPI_Ialltoall = PMPI_Ialltoall
40 #endif
41 #define MPI_Ialltoall PMPI_Ialltoall
42 #endif
43
44 static const char FUNC_NAME[] = "MPI_Ialltoall";
45
46
47 int MPI_Ialltoall(const void *sendbuf, int sendcount, MPI_Datatype sendtype,
48 void *recvbuf, int recvcount, MPI_Datatype recvtype,
49 MPI_Comm comm, MPI_Request *request)
50 {
51 size_t sendtype_size, recvtype_size;
52 int err;
53
54 SPC_RECORD(OMPI_SPC_IALLTOALL, 1);
55
56 MEMCHECKER(
57 memchecker_comm(comm);
58 if (MPI_IN_PLACE != sendbuf) {
59 memchecker_datatype(sendtype);
60 memchecker_call(&opal_memchecker_base_isdefined, (void *)sendbuf, sendcount, sendtype);
61 }
62 memchecker_datatype(recvtype);
63 memchecker_call(&opal_memchecker_base_isaddressable, recvbuf, recvcount, recvtype);
64 );
65
66 if (MPI_PARAM_CHECK) {
67
68
69
70
71 err = MPI_SUCCESS;
72 OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
73 if (ompi_comm_invalid(comm)) {
74 return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
75 FUNC_NAME);
76 } else if ((MPI_IN_PLACE == sendbuf && OMPI_COMM_IS_INTER(comm)) ||
77 MPI_IN_PLACE == recvbuf) {
78 return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
79 FUNC_NAME);
80 } else {
81 if (MPI_IN_PLACE != sendbuf) {
82 OMPI_CHECK_DATATYPE_FOR_SEND(err, sendtype, sendcount);
83 OMPI_ERRHANDLER_CHECK(err, comm, err, FUNC_NAME);
84 }
85 OMPI_CHECK_DATATYPE_FOR_RECV(err, recvtype, recvcount);
86 OMPI_ERRHANDLER_CHECK(err, comm, err, FUNC_NAME);
87 }
88
89 if (MPI_IN_PLACE != sendbuf && !OMPI_COMM_IS_INTER(comm)) {
90 ompi_datatype_type_size(sendtype, &sendtype_size);
91 ompi_datatype_type_size(recvtype, &recvtype_size);
92 if ((sendtype_size*sendcount) != (recvtype_size*recvcount)) {
93 return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_TRUNCATE, FUNC_NAME);
94 }
95 }
96 }
97
98 OPAL_CR_ENTER_LIBRARY();
99
100
101 err = comm->c_coll->coll_ialltoall(sendbuf, sendcount, sendtype,
102 recvbuf, recvcount, recvtype, comm,
103 request, comm->c_coll->coll_ialltoall_module);
104 OMPI_ERRHANDLER_RETURN(err, comm, err, FUNC_NAME);
105 }