X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c8304965b869fd1264284ea426f02dcd111fb62b..d43bb524e880bb9c42023f0f563578dfe17e404a:/src/smpi/smpi_mpi.c diff --git a/src/smpi/smpi_mpi.c b/src/smpi/smpi_mpi.c index 988f2ee9df..37518f91c1 100644 --- a/src/smpi/smpi_mpi.c +++ b/src/smpi/smpi_mpi.c @@ -1,153 +1,1500 @@ +/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team. + * All rights reserved. */ + +/* This program is free software; you can redistribute it and/or modify it + * under the terms of the license (GNU LGPL) which comes with this package. */ + #include "private.h" +#include "smpi_coll_private.h" +#include "smpi_mpi_dt_private.h" + +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_mpi, smpi, + "Logging specific to SMPI (mpi)"); + +/* MPI User level calls */ + +int MPI_Init(int* argc, char*** argv) { + smpi_process_init(argc, argv); +#ifdef HAVE_TRACING + TRACE_smpi_init(smpi_process_index()); +#endif + smpi_bench_begin(-1, NULL); + return MPI_SUCCESS; +} + +int MPI_Finalize(void) { + smpi_bench_end(-1, NULL); +#ifdef HAVE_TRACING + TRACE_smpi_finalize(smpi_process_index()); +#endif + smpi_process_destroy(); + return MPI_SUCCESS; +} + +int MPI_Init_thread(int* argc, char*** argv, int required, int* provided) { + if(provided != NULL) { + *provided = MPI_THREAD_MULTIPLE; + } + return MPI_Init(argc, argv); +} + +int MPI_Query_thread(int* provided) { + int retval; + + smpi_bench_end(-1, NULL); + if(provided == NULL) { + retval = MPI_ERR_ARG; + } else { + *provided = MPI_THREAD_MULTIPLE; + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Is_thread_main(int* flag) { + int retval; + + smpi_bench_end(-1, NULL); + if(flag == NULL) { + retval = MPI_ERR_ARG; + } else { + *flag = smpi_process_index() == 0; + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Abort(MPI_Comm comm, int errorcode) { + smpi_bench_end(-1, NULL); + smpi_process_destroy(); + // FIXME: should kill all processes in comm instead + SIMIX_process_kill(SIMIX_process_self()); + return MPI_SUCCESS; +} + +double MPI_Wtime(void) { + double time; + + smpi_bench_end(-1, NULL); + time = SIMIX_get_clock(); + smpi_bench_begin(-1, NULL); + return time; +} + +int MPI_Address(void *location, MPI_Aint *address) { + int retval; + + smpi_bench_end(-1, NULL); + if(!address) { + retval = MPI_ERR_ARG; + } else { + *address = (MPI_Aint)location; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Type_free(MPI_Datatype* datatype) { + int retval; + + smpi_bench_end(-1, NULL); + if(!datatype) { + retval = MPI_ERR_ARG; + } else { + // FIXME: always fail for now + retval = MPI_ERR_TYPE; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Type_size(MPI_Datatype datatype, int* size) { + int retval; + + smpi_bench_end(-1, NULL); + if(datatype == MPI_DATATYPE_NULL) { + retval = MPI_ERR_TYPE; + } else if(size == NULL) { + retval = MPI_ERR_ARG; + } else { + *size = (int)smpi_datatype_size(datatype); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Type_get_extent(MPI_Datatype datatype, MPI_Aint* lb, MPI_Aint* extent) { + int retval; + + smpi_bench_end(-1, NULL); + if(datatype == MPI_DATATYPE_NULL) { + retval = MPI_ERR_TYPE; + } else if(lb == NULL || extent == NULL) { + retval = MPI_ERR_ARG; + } else { + retval = smpi_datatype_extent(datatype, lb, extent); + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Type_extent(MPI_Datatype datatype, MPI_Aint* extent) { + int retval; + MPI_Aint dummy; + + smpi_bench_end(-1, NULL); + if(datatype == MPI_DATATYPE_NULL) { + retval = MPI_ERR_TYPE; + } else if(extent == NULL) { + retval = MPI_ERR_ARG; + } else { + retval = smpi_datatype_extent(datatype, &dummy, extent); + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Type_lb(MPI_Datatype datatype, MPI_Aint* disp) { + int retval; + + smpi_bench_end(-1, NULL); + if(datatype == MPI_DATATYPE_NULL) { + retval = MPI_ERR_TYPE; + } else if(disp == NULL) { + retval = MPI_ERR_ARG; + } else { + *disp = smpi_datatype_lb(datatype); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Type_ub(MPI_Datatype datatype, MPI_Aint* disp) { + int retval; + + smpi_bench_end(-1, NULL); + if(datatype == MPI_DATATYPE_NULL) { + retval = MPI_ERR_TYPE; + } else if(disp == NULL) { + retval = MPI_ERR_ARG; + } else { + *disp = smpi_datatype_ub(datatype); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Op_create(MPI_User_function* function, int commute, MPI_Op* op) { + int retval; + + smpi_bench_end(-1, NULL); + if(function == NULL || op == NULL) { + retval = MPI_ERR_ARG; + } else { + *op = smpi_op_new(function, commute); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Op_free(MPI_Op* op) { + int retval; + + smpi_bench_end(-1, NULL); + if(op == NULL) { + retval = MPI_ERR_ARG; + } else if(*op == MPI_OP_NULL) { + retval = MPI_ERR_OP; + } else { + smpi_op_destroy(*op); + *op = MPI_OP_NULL; + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Group_free(MPI_Group *group) { + int retval; + + smpi_bench_end(-1, NULL); + if(group == NULL) { + retval = MPI_ERR_ARG; + } else { + smpi_group_destroy(*group); + *group = MPI_GROUP_NULL; + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Group_size(MPI_Group group, int* size) { + int retval; + + smpi_bench_end(-1, NULL); + if(group == MPI_GROUP_NULL) { + retval = MPI_ERR_GROUP; + } else if(size == NULL) { + retval = MPI_ERR_ARG; + } else { + *size = smpi_group_size(group); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Group_rank(MPI_Group group, int* rank) { + int retval; + + smpi_bench_end(-1, NULL); + if(group == MPI_GROUP_NULL) { + retval = MPI_ERR_GROUP; + } else if(rank == NULL) { + retval = MPI_ERR_ARG; + } else { + *rank = smpi_group_rank(group, smpi_process_index()); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Group_translate_ranks (MPI_Group group1, int n, int* ranks1, MPI_Group group2, int* ranks2) { + int retval, i, index; + + smpi_bench_end(-1, NULL); + if(group1 == MPI_GROUP_NULL || group2 == MPI_GROUP_NULL) { + retval = MPI_ERR_GROUP; + } else { + for(i = 0; i < n; i++) { + index = smpi_group_index(group1, ranks1[i]); + ranks2[i] = smpi_group_rank(group2, index); + } + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Group_compare(MPI_Group group1, MPI_Group group2, int* result) { + int retval; + + smpi_bench_end(-1, NULL); + if(group1 == MPI_GROUP_NULL || group2 == MPI_GROUP_NULL) { + retval = MPI_ERR_GROUP; + } else if(result == NULL) { + retval = MPI_ERR_ARG; + } else { + *result = smpi_group_compare(group1, group2); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Group_union(MPI_Group group1, MPI_Group group2, MPI_Group* newgroup) { + int retval, i, proc1, proc2, size, size2; + + smpi_bench_end(-1, NULL); + if(group1 == MPI_GROUP_NULL || group2 == MPI_GROUP_NULL) { + retval = MPI_ERR_GROUP; + } else if(newgroup == NULL) { + retval = MPI_ERR_ARG; + } else { + size = smpi_group_size(group1); + size2 = smpi_group_size(group2); + for(i = 0; i < size2; i++) { + proc2 = smpi_group_index(group2, i); + proc1 = smpi_group_rank(group1, proc2); + if(proc1 == MPI_UNDEFINED) { + size++; + } + } + if(size == 0) { + *newgroup = MPI_GROUP_EMPTY; + } else { + *newgroup = smpi_group_new(size); + size2 = smpi_group_size(group1); + for(i = 0; i < size2; i++) { + proc1 = smpi_group_index(group1, i); + smpi_group_set_mapping(*newgroup, proc1, i); + } + for(i = size2; i < size; i++) { + proc2 = smpi_group_index(group2, i - size2); + smpi_group_set_mapping(*newgroup, proc2, i); + } + } + smpi_group_use(*newgroup); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Group_intersection(MPI_Group group1, MPI_Group group2, MPI_Group* newgroup) { + int retval, i, proc1, proc2, size, size2; + + smpi_bench_end(-1, NULL); + if(group1 == MPI_GROUP_NULL || group2 == MPI_GROUP_NULL) { + retval = MPI_ERR_GROUP; + } else if(newgroup == NULL) { + retval = MPI_ERR_ARG; + } else { + size = smpi_group_size(group1); + size2 = smpi_group_size(group2); + for(i = 0; i < size2; i++) { + proc2 = smpi_group_index(group2, i); + proc1 = smpi_group_rank(group1, proc2); + if(proc1 == MPI_UNDEFINED) { + size--; + } + } + if(size == 0) { + *newgroup = MPI_GROUP_EMPTY; + } else { + *newgroup = smpi_group_new(size); + size2 = smpi_group_size(group1); + for(i = 0; i < size2; i++) { + proc1 = smpi_group_index(group1, i); + proc2 = smpi_group_rank(group2, proc1); + if(proc2 != MPI_UNDEFINED) { + smpi_group_set_mapping(*newgroup, proc1, i); + } + } + } + smpi_group_use(*newgroup); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Group_difference(MPI_Group group1, MPI_Group group2, MPI_Group* newgroup) { + int retval, i, proc1, proc2, size, size2; + + smpi_bench_end(-1, NULL); + if(group1 == MPI_GROUP_NULL || group2 == MPI_GROUP_NULL) { + retval = MPI_ERR_GROUP; + } else if(newgroup == NULL) { + retval = MPI_ERR_ARG; + } else { + size = size2 = smpi_group_size(group1); + for(i = 0; i < size2; i++) { + proc1 = smpi_group_index(group1, i); + proc2 = smpi_group_rank(group2, proc1); + if(proc2 != MPI_UNDEFINED) { + size--; + } + } + if(size == 0) { + *newgroup = MPI_GROUP_EMPTY; + } else { + *newgroup = smpi_group_new(size); + for(i = 0; i < size2; i++) { + proc1 = smpi_group_index(group1, i); + proc2 = smpi_group_rank(group2, proc1); + if(proc2 == MPI_UNDEFINED) { + smpi_group_set_mapping(*newgroup, proc1, i); + } + } + } + smpi_group_use(*newgroup); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Group_incl(MPI_Group group, int n, int* ranks, MPI_Group* newgroup) { + int retval, i, index; + + smpi_bench_end(-1, NULL); + if(group == MPI_GROUP_NULL) { + retval = MPI_ERR_GROUP; + } else if(newgroup == NULL) { + retval = MPI_ERR_ARG; + } else { + if(n == 0) { + *newgroup = MPI_GROUP_EMPTY; + } else if(n == smpi_group_size(group)) { + *newgroup = group; + } else { + *newgroup = smpi_group_new(n); + for(i = 0; i < n; i++) { + index = smpi_group_index(group, ranks[i]); + smpi_group_set_mapping(*newgroup, index, i); + } + } + smpi_group_use(*newgroup); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Group_excl(MPI_Group group, int n, int* ranks, MPI_Group* newgroup) { + int retval, i, size, rank, index; + + smpi_bench_end(-1, NULL); + if(group == MPI_GROUP_NULL) { + retval = MPI_ERR_GROUP; + } else if(newgroup == NULL) { + retval = MPI_ERR_ARG; + } else { + if(n == 0) { + *newgroup = group; + } else if(n == smpi_group_size(group)) { + *newgroup = MPI_GROUP_EMPTY; + } else { + size = smpi_group_size(group) - n; + *newgroup = smpi_group_new(size); + rank = 0; + while(rank < size) { + for(i = 0; i < n; i++) { + if(ranks[i] == rank) { + break; + } + } + if(i >= n) { + index = smpi_group_index(group, rank); + smpi_group_set_mapping(*newgroup, index, rank); + rank++; + } + } + } + smpi_group_use(*newgroup); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Group_range_incl(MPI_Group group, int n, int ranges[][3], MPI_Group* newgroup) { + int retval, i, j, rank, size, index; + + smpi_bench_end(-1, NULL); + if(group == MPI_GROUP_NULL) { + retval = MPI_ERR_GROUP; + } else if(newgroup == NULL) { + retval = MPI_ERR_ARG; + } else { + if(n == 0) { + *newgroup = MPI_GROUP_EMPTY; + } else { + size = 0; + for(i = 0; i < n; i++) { + for(rank = ranges[i][0]; /* First */ + rank >= 0 && rank <= ranges[i][1]; /* Last */ + rank += ranges[i][2] /* Stride */) { + size++; + } + } + if(size == smpi_group_size(group)) { + *newgroup = group; + } else { + *newgroup = smpi_group_new(size); + j = 0; + for(i = 0; i < n; i++) { + for(rank = ranges[i][0]; /* First */ + rank >= 0 && rank <= ranges[i][1]; /* Last */ + rank += ranges[i][2] /* Stride */) { + index = smpi_group_index(group, rank); + smpi_group_set_mapping(*newgroup, index, j); + j++; + } + } + } + } + smpi_group_use(*newgroup); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Group_range_excl(MPI_Group group, int n, int ranges[][3], MPI_Group* newgroup) { + int retval, i, newrank, rank, size, index, add; + + smpi_bench_end(-1, NULL); + if(group == MPI_GROUP_NULL) { + retval = MPI_ERR_GROUP; + } else if(newgroup == NULL) { + retval = MPI_ERR_ARG; + } else { + if(n == 0) { + *newgroup = group; + } else { + size = smpi_group_size(group); + for(i = 0; i < n; i++) { + for(rank = ranges[i][0]; /* First */ + rank >= 0 && rank <= ranges[i][1]; /* Last */ + rank += ranges[i][2] /* Stride */) { + size--; + } + } + if(size == 0) { + *newgroup = MPI_GROUP_EMPTY; + } else { + *newgroup = smpi_group_new(size); + newrank = 0; + while(newrank < size) { + for(i = 0; i < n; i++) { + add = 1; + for(rank = ranges[i][0]; /* First */ + rank >= 0 && rank <= ranges[i][1]; /* Last */ + rank += ranges[i][2] /* Stride */) { + if(rank == newrank) { + add = 0; + break; + } + } + if(add == 1) { + index = smpi_group_index(group, newrank); + smpi_group_set_mapping(*newgroup, index, newrank); + } + } + } + } + } + smpi_group_use(*newgroup); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Comm_rank(MPI_Comm comm, int* rank) { + int retval; + + smpi_bench_end(-1, NULL); + if(comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else { + *rank = smpi_comm_rank(comm); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Comm_size(MPI_Comm comm, int* size) { + int retval; + + smpi_bench_end(-1, NULL); + if(comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else if(size == NULL) { + retval = MPI_ERR_ARG; + } else { + *size = smpi_comm_size(comm); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Comm_group(MPI_Comm comm, MPI_Group* group) { + int retval; + + smpi_bench_end(-1, NULL); + if(comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else if(group == NULL) { + retval = MPI_ERR_ARG; + } else { + *group = smpi_comm_group(comm); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Comm_compare(MPI_Comm comm1, MPI_Comm comm2, int* result) { + int retval; + + smpi_bench_end(-1, NULL); + if(comm1 == MPI_COMM_NULL || comm2 == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else if(result == NULL) { + retval = MPI_ERR_ARG; + } else { + if(comm1 == comm2) { /* Same communicators means same groups */ + *result = MPI_IDENT; + } else { + *result = smpi_group_compare(smpi_comm_group(comm1), smpi_comm_group(comm2)); + if(*result == MPI_IDENT) { + *result = MPI_CONGRUENT; + } + } + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Comm_dup(MPI_Comm comm, MPI_Comm* newcomm) { + int retval; + + smpi_bench_end(-1, NULL); + if(comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else if(newcomm == NULL) { + retval = MPI_ERR_ARG; + } else { + *newcomm = smpi_comm_new(smpi_comm_group(comm)); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Comm_create(MPI_Comm comm, MPI_Group group, MPI_Comm* newcomm) { + int retval; + + smpi_bench_end(-1, NULL); + if(comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else if(group == MPI_GROUP_NULL) { + retval = MPI_ERR_GROUP; + } else if(newcomm == NULL) { + retval = MPI_ERR_ARG; + } else { + *newcomm = smpi_comm_new(group); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Comm_free(MPI_Comm* comm) { + int retval; + + smpi_bench_end(-1, NULL); + if(comm == NULL) { + retval = MPI_ERR_ARG; + } else if(*comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else { + smpi_comm_destroy(*comm); + *comm = MPI_COMM_NULL; + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Send_init(void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request* request) { + int retval; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Send_init"); + if(request == NULL) { + retval = MPI_ERR_ARG; + } else if (comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else { + *request = smpi_mpi_send_init(buf, count, datatype, dst, tag, comm); + retval = MPI_SUCCESS; + } + smpi_bench_begin(rank, "Send_init"); + return retval; +} + +int MPI_Recv_init(void* buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Request* request) { + int retval; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Recv_init"); + if(request == NULL) { + retval = MPI_ERR_ARG; + } else if (comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else { + *request = smpi_mpi_recv_init(buf, count, datatype, src, tag, comm); + retval = MPI_SUCCESS; + } + smpi_bench_begin(rank, "Recv_init"); + return retval; +} + +int MPI_Start(MPI_Request* request) { + int retval; + MPI_Comm comm = (*request)->comm; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Start"); + if(request == NULL) { + retval = MPI_ERR_ARG; + } else { + smpi_mpi_start(*request); + retval = MPI_SUCCESS; + } + smpi_bench_begin(rank, "Start"); + return retval; +} + +int MPI_Startall(int count, MPI_Request* requests) { + int retval; + MPI_Comm comm = count > 0 && requests ? requests[0]->comm : MPI_COMM_NULL; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Startall"); + if(requests == NULL) { + retval = MPI_ERR_ARG; + } else { + smpi_mpi_startall(count, requests); + retval = MPI_SUCCESS; + } + smpi_bench_begin(rank, "Startall"); + return retval; +} + +int MPI_Request_free(MPI_Request* request) { + int retval; + MPI_Comm comm = (*request)->comm; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Request_free"); + if(request == NULL) { + retval = MPI_ERR_ARG; + } else { + smpi_mpi_request_free(request); + retval = MPI_SUCCESS; + } + smpi_bench_begin(rank, "Request_free"); + return retval; +} + +int MPI_Irecv(void* buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Request* request) { + int retval; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Irecv"); +#ifdef HAVE_TRACING + int src_traced = smpi_group_rank(smpi_comm_group(comm), src); + TRACE_smpi_ptp_in (rank, src_traced, rank, __FUNCTION__); +#endif + if(request == NULL) { + retval = MPI_ERR_ARG; + } else if (comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else { + *request = smpi_mpi_irecv(buf, count, datatype, src, tag, comm); + retval = MPI_SUCCESS; + } +#ifdef HAVE_TRACING + TRACE_smpi_ptp_out (rank, src_traced, rank, __FUNCTION__); + (*request)->recv = 1; +#endif + smpi_bench_begin(rank, "Irecv"); + return retval; +} + +int MPI_Isend(void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request* request) { + int retval; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Isend"); +#ifdef HAVE_TRACING + int dst_traced = smpi_group_rank(smpi_comm_group(comm), dst); + TRACE_smpi_ptp_in (rank, rank, dst_traced, __FUNCTION__); + TRACE_smpi_send (rank, rank, dst_traced); +#endif + if(request == NULL) { + retval = MPI_ERR_ARG; + } else if (comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else { + *request = smpi_mpi_isend(buf, count, datatype, dst, tag, comm); + retval = MPI_SUCCESS; + } +#ifdef HAVE_TRACING + TRACE_smpi_ptp_out (rank, rank, dst_traced, __FUNCTION__); + (*request)->send = 1; +#endif + smpi_bench_begin(rank, "Isend"); + return retval; +} + +int MPI_Recv(void* buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Status* status) { + int retval; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Recv"); +#ifdef HAVE_TRACING + int src_traced = smpi_group_rank(smpi_comm_group(comm), src); + TRACE_smpi_ptp_in (rank, src_traced, rank, __FUNCTION__); +#endif + if (comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else { + smpi_mpi_recv(buf, count, datatype, src, tag, comm, status); + retval = MPI_SUCCESS; + } +#ifdef HAVE_TRACING + TRACE_smpi_ptp_out (rank, src_traced, rank, __FUNCTION__); + TRACE_smpi_recv (rank, src_traced, rank); +#endif + smpi_bench_begin(rank, "Recv"); + return retval; +} + +int MPI_Send(void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm) { + int retval; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Send"); +#ifdef HAVE_TRACING + int dst_traced = smpi_group_rank(smpi_comm_group(comm), dst); + TRACE_smpi_ptp_in (rank, rank, dst_traced, __FUNCTION__); + TRACE_smpi_send (rank, rank, dst_traced); +#endif + if (comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else { + smpi_mpi_send(buf, count, datatype, dst, tag, comm); + retval = MPI_SUCCESS; + } +#ifdef HAVE_TRACING + TRACE_smpi_ptp_out (rank, rank, dst_traced, __FUNCTION__); +#endif + smpi_bench_begin(rank, "Send"); + return retval; +} + +int MPI_Sendrecv(void* sendbuf, int sendcount, MPI_Datatype sendtype, int dst, int sendtag, void* recvbuf, int recvcount, MPI_Datatype recvtype, int src, int recvtag, MPI_Comm comm, MPI_Status* status) { + int retval; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Sendrecv"); +#ifdef HAVE_TRACING + int dst_traced = smpi_group_rank(smpi_comm_group(comm), dst); + int src_traced = smpi_group_rank(smpi_comm_group(comm), src); + TRACE_smpi_ptp_in (rank, src_traced, dst_traced, __FUNCTION__); + TRACE_smpi_send (rank, rank, dst_traced); + TRACE_smpi_send (rank, src_traced, rank); +#endif + if (comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else if (sendtype == MPI_DATATYPE_NULL || recvtype == MPI_DATATYPE_NULL) { + retval = MPI_ERR_TYPE; + } else { + smpi_mpi_sendrecv(sendbuf, sendcount, sendtype, dst, sendtag, recvbuf, recvcount, recvtype, src, recvtag, comm, status); + retval = MPI_SUCCESS; + } +#ifdef HAVE_TRACING + TRACE_smpi_ptp_out (rank, src_traced, dst_traced, __FUNCTION__); + TRACE_smpi_recv (rank, rank, dst_traced); + TRACE_smpi_recv (rank, src_traced, rank); +#endif + smpi_bench_begin(rank, "Sendrecv"); + return retval; +} + +int MPI_Sendrecv_replace(void* buf, int count, MPI_Datatype datatype, int dst, int sendtag, int src, int recvtag, MPI_Comm comm, MPI_Status* status) { + //TODO: suboptimal implementation + void* recvbuf; + int retval, size; + + size = smpi_datatype_size(datatype) * count; + recvbuf = xbt_new(char, size); + retval = MPI_Sendrecv(buf, count, datatype, dst, sendtag, recvbuf, count, datatype, src, recvtag, comm, status); + memcpy(buf, recvbuf, size * sizeof(char)); + xbt_free(recvbuf); + return retval; +} + +int MPI_Test(MPI_Request* request, int* flag, MPI_Status* status) { + int retval; + int rank = request && (*request)->comm != MPI_COMM_NULL + ? smpi_comm_rank((*request)->comm) + : -1; + + smpi_bench_end(rank, "Test"); + if(request == NULL || flag == NULL) { + retval = MPI_ERR_ARG; + } else if(*request == MPI_REQUEST_NULL) { + retval = MPI_ERR_REQUEST; + } else { + *flag = smpi_mpi_test(request, status); + retval = MPI_SUCCESS; + } + smpi_bench_begin(rank, "Test"); + return retval; +} + +int MPI_Testany(int count, MPI_Request requests[], int* index, int* flag, MPI_Status* status) { + int retval; + + smpi_bench_end(-1, NULL); //FIXME + if(index == NULL || flag == NULL) { + retval = MPI_ERR_ARG; + } else { + *flag = smpi_mpi_testany(count, requests, index, status); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Wait(MPI_Request* request, MPI_Status* status) { + int retval; + int rank = request && (*request)->comm != MPI_COMM_NULL + ? smpi_comm_rank((*request)->comm) + : -1; + + smpi_bench_end(rank, "Wait"); +#ifdef HAVE_TRACING + MPI_Group group = smpi_comm_group((*request)->comm); + int src_traced = smpi_group_rank (group , (*request)->src); + int dst_traced = smpi_group_rank (group , (*request)->dst); + int is_wait_for_receive = (*request)->recv; + TRACE_smpi_ptp_in (rank, src_traced, dst_traced, __FUNCTION__); +#endif + if(request == NULL) { + retval = MPI_ERR_ARG; + } else if(*request == MPI_REQUEST_NULL) { + retval = MPI_ERR_REQUEST; + } else { + smpi_mpi_wait(request, status); + retval = MPI_SUCCESS; + } +#ifdef HAVE_TRACING + TRACE_smpi_ptp_out (rank, src_traced, dst_traced, __FUNCTION__); + if (is_wait_for_receive){ + TRACE_smpi_recv (rank, src_traced, dst_traced); + } +#endif + smpi_bench_begin(rank, "Wait"); + return retval; +} -int MPI_Init(int *argc, char ***argv) -{ - smpi_mpi_init(); - smpi_bench_begin(); - return MPI_SUCCESS; +int MPI_Waitany(int count, MPI_Request requests[], int* index, MPI_Status* status) { + int retval; + + smpi_bench_end(-1, NULL); //FIXME +#ifdef HAVE_TRACING + //save requests information for tracing + int i; + xbt_dynar_t srcs = xbt_dynar_new (sizeof(int), xbt_free); + xbt_dynar_t dsts = xbt_dynar_new (sizeof(int), xbt_free); + xbt_dynar_t recvs = xbt_dynar_new (sizeof(int), xbt_free); + for (i = 0; i < count; i++){ + MPI_Request req = requests[i]; //already received requests are no longer valid + if (req){ + int *asrc = xbt_new(int, 1); + int *adst = xbt_new(int, 1); + int *arecv = xbt_new(int, 1); + *asrc = req->src; + *adst = req->dst; + *arecv = req->recv; + xbt_dynar_insert_at (srcs, i, asrc); + xbt_dynar_insert_at (dsts, i, adst); + xbt_dynar_insert_at (recvs, i, arecv); + }else{ + int *t = xbt_new(int, 1); + xbt_dynar_insert_at (srcs, i, t); + xbt_dynar_insert_at (dsts, i, t); + xbt_dynar_insert_at (recvs, i, t); + } + } + + //search for a suitable request to give the rank of current mpi proc + MPI_Request req = NULL; + for (i = 0; i < count && req == NULL; i++) { + req = requests[i]; + } + MPI_Comm comm = (req)->comm; + int rank_traced = smpi_comm_rank(comm); + TRACE_smpi_ptp_in (rank_traced, -1, -1, __FUNCTION__); +#endif + if(index == NULL) { + retval = MPI_ERR_ARG; + } else { + *index = smpi_mpi_waitany(count, requests, status); + retval = MPI_SUCCESS; + } +#ifdef HAVE_TRACING + int src_traced, dst_traced, is_wait_for_receive; + xbt_dynar_get_cpy (srcs, *index, &src_traced); + xbt_dynar_get_cpy (dsts, *index, &dst_traced); + xbt_dynar_get_cpy (recvs, *index, &is_wait_for_receive); + if (is_wait_for_receive){ + TRACE_smpi_recv (rank_traced, src_traced, dst_traced); + } + TRACE_smpi_ptp_out (rank_traced, src_traced, dst_traced, __FUNCTION__); + //clean-up of dynars + xbt_free (srcs); + xbt_free (dsts); + xbt_free (recvs); +#endif + smpi_bench_begin(-1, NULL); + return retval; } -int MPI_Finalize() -{ - smpi_bench_end(); - smpi_mpi_finalize(); - return MPI_SUCCESS; +int MPI_Waitall(int count, MPI_Request requests[], MPI_Status status[]) { + + smpi_bench_end(-1, NULL); //FIXME +#ifdef HAVE_TRACING + //save information from requests + int i; + xbt_dynar_t srcs = xbt_dynar_new (sizeof(int), xbt_free); + xbt_dynar_t dsts = xbt_dynar_new (sizeof(int), xbt_free); + xbt_dynar_t recvs = xbt_dynar_new (sizeof(int), xbt_free); + for (i = 0; i < count; i++){ + MPI_Request req = requests[i]; //all req should be valid in Waitall + int *asrc = xbt_new(int, 1); + int *adst = xbt_new(int, 1); + int *arecv = xbt_new(int, 1); + *asrc = req->src; + *adst = req->dst; + *arecv = req->recv; + xbt_dynar_insert_at (srcs, i, asrc); + xbt_dynar_insert_at (dsts, i, adst); + xbt_dynar_insert_at (recvs, i, arecv); + } + +// find my rank inside one of MPI_Comm's of the requests + MPI_Request req = NULL; + for (i = 0; i < count && req == NULL; i++) { + req = requests[i]; + } + MPI_Comm comm = (req)->comm; + int rank_traced = smpi_comm_rank(comm); + TRACE_smpi_ptp_in (rank_traced, -1, -1, __FUNCTION__); +#endif + smpi_mpi_waitall(count, requests, status); +#ifdef HAVE_TRACING + for (i = 0; i < count; i++){ + int src_traced, dst_traced, is_wait_for_receive; + xbt_dynar_get_cpy (srcs, i, &src_traced); + xbt_dynar_get_cpy (dsts, i, &dst_traced); + xbt_dynar_get_cpy (recvs, i, &is_wait_for_receive); + if (is_wait_for_receive){ + TRACE_smpi_recv (rank_traced, src_traced, dst_traced); + } + } + TRACE_smpi_ptp_out (rank_traced, -1, -1, __FUNCTION__); + //clean-up of dynars + xbt_free (srcs); + xbt_free (dsts); + xbt_free (recvs); +#endif + smpi_bench_begin(-1, NULL); + return MPI_SUCCESS; +} + +int MPI_Waitsome(int incount, MPI_Request requests[], int* outcount, int* indices, MPI_Status status[]) { + int retval; + + smpi_bench_end(-1, NULL); //FIXME + if(outcount == NULL || indices == NULL) { + retval = MPI_ERR_ARG; + } else { + *outcount = smpi_mpi_waitsome(incount, requests, indices, status); + retval = MPI_SUCCESS; + } + smpi_bench_begin(-1, NULL); + return retval; +} + +int MPI_Bcast(void* buf, int count, MPI_Datatype datatype, int root, MPI_Comm comm) { + int retval; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Bcast"); +#ifdef HAVE_TRACING + int root_traced = smpi_group_rank(smpi_comm_group(comm), root); + TRACE_smpi_collective_in (rank, root_traced, __FUNCTION__); +#endif + if(comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else { + smpi_mpi_bcast(buf, count, datatype, root, comm); + retval = MPI_SUCCESS; + } +#ifdef HAVE_TRACING + TRACE_smpi_collective_out (rank, root_traced, __FUNCTION__); +#endif + smpi_bench_begin(rank, "Bcast"); + return retval; +} + +int MPI_Barrier(MPI_Comm comm) { + int retval; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Barrier"); +#ifdef HAVE_TRACING + TRACE_smpi_collective_in (rank, -1, __FUNCTION__); +#endif + if(comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else { + smpi_mpi_barrier(comm); + retval = MPI_SUCCESS; + } +#ifdef HAVE_TRACING + TRACE_smpi_collective_out (rank, -1, __FUNCTION__); +#endif + smpi_bench_begin(rank, "Barrier"); + return retval; +} + +int MPI_Gather(void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm) { + int retval; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Gather"); +#ifdef HAVE_TRACING + int root_traced = smpi_group_rank(smpi_comm_group(comm), root); + TRACE_smpi_collective_in (rank, root_traced, __FUNCTION__); +#endif + if(comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else if(sendtype == MPI_DATATYPE_NULL || recvtype == MPI_DATATYPE_NULL) { + retval = MPI_ERR_TYPE; + } else { + smpi_mpi_gather(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, root, comm); + retval = MPI_SUCCESS; + } +#ifdef HAVE_TRACING + TRACE_smpi_collective_out (rank, root_traced, __FUNCTION__); +#endif + smpi_bench_begin(rank, "Gather"); + return retval; +} + +int MPI_Gatherv(void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int* recvcounts, int* displs, MPI_Datatype recvtype, int root, MPI_Comm comm) { + int retval; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Gatherv"); +#ifdef HAVE_TRACING + int root_traced = smpi_group_rank(smpi_comm_group(comm), root); + TRACE_smpi_collective_in (rank, root_traced, __FUNCTION__); +#endif + if(comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else if(sendtype == MPI_DATATYPE_NULL || recvtype == MPI_DATATYPE_NULL) { + retval = MPI_ERR_TYPE; + } else if(recvcounts == NULL || displs == NULL) { + retval = MPI_ERR_ARG; + } else { + smpi_mpi_gatherv(sendbuf, sendcount, sendtype, recvbuf, recvcounts, displs, recvtype, root, comm); + retval = MPI_SUCCESS; + } +#ifdef HAVE_TRACING + TRACE_smpi_collective_out (rank, root_traced, __FUNCTION__); +#endif + smpi_bench_begin(rank, "Gatherv"); + return retval; +} + +int MPI_Allgather(void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount, MPI_Datatype recvtype, MPI_Comm comm) { + int retval; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Allgather"); +#ifdef HAVE_TRACING + TRACE_smpi_collective_in (rank, -1, __FUNCTION__); +#endif + if(comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else if(sendtype == MPI_DATATYPE_NULL || recvtype == MPI_DATATYPE_NULL) { + retval = MPI_ERR_TYPE; + } else { + smpi_mpi_allgather(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, comm); + retval = MPI_SUCCESS; + } +#ifdef HAVE_TRACING + TRACE_smpi_collective_out (rank, -1, __FUNCTION__); +#endif + smpi_bench_begin(rank, "Allgather"); + return retval; +} + +int MPI_Allgatherv(void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int* recvcounts, int* displs, MPI_Datatype recvtype, MPI_Comm comm) { + int retval; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Allgatherv"); +#ifdef HAVE_TRACING + TRACE_smpi_collective_in (rank, -1, __FUNCTION__); +#endif + if(comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else if(sendtype == MPI_DATATYPE_NULL || recvtype == MPI_DATATYPE_NULL) { + retval = MPI_ERR_TYPE; + } else if(recvcounts == NULL || displs == NULL) { + retval = MPI_ERR_ARG; + } else { + smpi_mpi_allgatherv(sendbuf, sendcount, sendtype, recvbuf, recvcounts, displs, recvtype, comm); + retval = MPI_SUCCESS; + } +#ifdef HAVE_TRACING + TRACE_smpi_collective_out (rank, -1, __FUNCTION__); +#endif + smpi_bench_begin(rank, "Allgatherv"); + return retval; } -// right now this just exits the current node, should send abort signal to all -// hosts in the communicator; -int MPI_Abort(MPI_Comm comm, int errorcode) -{ - smpi_exit(errorcode); +int MPI_Scatter(void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm) { + int retval; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; - return 0; + smpi_bench_end(rank, "Scatter"); +#ifdef HAVE_TRACING + int root_traced = smpi_group_rank(smpi_comm_group(comm), root); + TRACE_smpi_collective_in (rank, root_traced, __FUNCTION__); +#endif + if(comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else if(sendtype == MPI_DATATYPE_NULL || recvtype == MPI_DATATYPE_NULL) { + retval = MPI_ERR_TYPE; + } else { + smpi_mpi_scatter(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, root, comm); + retval = MPI_SUCCESS; + } +#ifdef HAVE_TRACING + TRACE_smpi_collective_out (rank, root_traced, __FUNCTION__); +#endif + smpi_bench_begin(rank, "Scatter"); + return retval; } -int MPI_Comm_size(MPI_Comm comm, int *size) -{ - int retval = MPI_SUCCESS; +int MPI_Scatterv(void* sendbuf, int* sendcounts, int* displs, MPI_Datatype sendtype, void* recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm) { + int retval; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; - smpi_bench_end(); + smpi_bench_end(rank, "Scatterv"); +#ifdef HAVE_TRACING + int root_traced = smpi_group_rank(smpi_comm_group(comm), root); + TRACE_smpi_collective_in (rank, root_traced, __FUNCTION__); +#endif + if(comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else if(sendtype == MPI_DATATYPE_NULL || recvtype == MPI_DATATYPE_NULL) { + retval = MPI_ERR_TYPE; + } else if(sendcounts == NULL || displs == NULL) { + retval = MPI_ERR_ARG; + } else { + smpi_mpi_scatterv(sendbuf, sendcounts, displs, sendtype, recvbuf, recvcount, recvtype, root, comm); + retval = MPI_SUCCESS; + } +#ifdef HAVE_TRACING + TRACE_smpi_collective_out (rank, root_traced, __FUNCTION__); +#endif + smpi_bench_begin(rank, "Scatterv"); + return retval; +} + +int MPI_Reduce(void* sendbuf, void* recvbuf, int count, MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm) { + int retval; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Reduce"); +#ifdef HAVE_TRACING + int root_traced = smpi_group_rank(smpi_comm_group(comm), root); + TRACE_smpi_collective_in (rank, root_traced, __FUNCTION__); +#endif + if(comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else if(datatype == MPI_DATATYPE_NULL || op == MPI_OP_NULL) { + retval = MPI_ERR_ARG; + } else { + smpi_mpi_reduce(sendbuf, recvbuf, count, datatype, op, root, comm); + retval = MPI_SUCCESS; + } +#ifdef HAVE_TRACING + TRACE_smpi_collective_out (rank, root_traced, __FUNCTION__); +#endif + smpi_bench_begin(rank, "Reduce"); + return retval; +} + +int MPI_Allreduce(void* sendbuf, void* recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm) { + int retval; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Allreduce"); +#ifdef HAVE_TRACING + TRACE_smpi_collective_in (rank, -1, __FUNCTION__); +#endif + if(comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else if(datatype == MPI_DATATYPE_NULL) { + retval = MPI_ERR_TYPE; + } else if(op == MPI_OP_NULL) { + retval = MPI_ERR_OP; + } else { + smpi_mpi_allreduce(sendbuf, recvbuf, count, datatype, op, comm); + retval = MPI_SUCCESS; + } +#ifdef HAVE_TRACING + TRACE_smpi_collective_out (rank, -1, __FUNCTION__); +#endif + smpi_bench_begin(rank, "Allreduce"); + return retval; +} + +int MPI_Scan(void* sendbuf, void* recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm) { + int retval; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Scan"); +#ifdef HAVE_TRACING + TRACE_smpi_collective_in (rank, -1, __FUNCTION__); +#endif + if(comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else if(datatype == MPI_DATATYPE_NULL) { + retval = MPI_ERR_TYPE; + } else if(op == MPI_OP_NULL) { + retval = MPI_ERR_OP; + } else { + smpi_mpi_scan(sendbuf, recvbuf, count, datatype, op, comm); + retval = MPI_SUCCESS; + } +#ifdef HAVE_TRACING + TRACE_smpi_collective_out (rank, -1, __FUNCTION__); +#endif + smpi_bench_begin(rank, "Scan"); + return retval; +} + +int MPI_Reduce_scatter(void* sendbuf, void* recvbuf, int* recvcounts, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm) { + int retval, i, size, count; + int* displs; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Reduce_scatter"); +#ifdef HAVE_TRACING + TRACE_smpi_collective_in (rank, -1, __FUNCTION__); +#endif + if(comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else if(datatype == MPI_DATATYPE_NULL) { + retval = MPI_ERR_TYPE; + } else if(op == MPI_OP_NULL) { + retval = MPI_ERR_OP; + } else if(recvcounts == NULL) { + retval = MPI_ERR_ARG; + } else { + /* arbitrarily choose root as rank 0 */ + /* TODO: faster direct implementation ? */ + size = smpi_comm_size(comm); + count = 0; + displs = xbt_new(int, size); + for(i = 0; i < size; i++) { + count += recvcounts[i]; + displs[i] = 0; + } + smpi_mpi_reduce(sendbuf, recvbuf, count, datatype, op, 0, comm); + smpi_mpi_scatterv(recvbuf, recvcounts, displs, datatype, recvbuf, recvcounts[rank], datatype, 0, comm); + xbt_free(displs); + retval = MPI_SUCCESS; + } +#ifdef HAVE_TRACING + TRACE_smpi_collective_out (rank, -1, __FUNCTION__); +#endif + smpi_bench_begin(rank, "Reduce_scatter"); + return retval; +} + +int MPI_Alltoall(void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount, MPI_Datatype recvtype, MPI_Comm comm) { + int retval, size, sendsize; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Alltoall"); +#ifdef HAVE_TRACING + TRACE_smpi_collective_in (rank, -1, __FUNCTION__); +#endif + if(comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else if(sendtype == MPI_DATATYPE_NULL || recvtype == MPI_DATATYPE_NULL) { + retval = MPI_ERR_TYPE; + } else { + size = smpi_comm_size(comm); + sendsize = smpi_datatype_size(sendtype) * sendcount; + if(sendsize < 200 && size > 12) { + retval = smpi_coll_tuned_alltoall_bruck(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, comm); + } else if(sendsize < 3000) { + retval = smpi_coll_tuned_alltoall_basic_linear(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, comm); + } else { + retval = smpi_coll_tuned_alltoall_pairwise(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, comm); + } + } +#ifdef HAVE_TRACING + TRACE_smpi_collective_out (rank, -1, __FUNCTION__); +#endif + smpi_bench_begin(rank, "Alltoall"); + return retval; +} + +int MPI_Alltoallv(void* sendbuf, int* sendcounts, int* senddisps, MPI_Datatype sendtype, void* recvbuf, int *recvcounts, int* recvdisps, MPI_Datatype recvtype, MPI_Comm comm) { + int retval; + int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1; + + smpi_bench_end(rank, "Alltoallv"); +#ifdef HAVE_TRACING + TRACE_smpi_collective_in (rank, -1, __FUNCTION__); +#endif + if(comm == MPI_COMM_NULL) { + retval = MPI_ERR_COMM; + } else if(sendtype == MPI_DATATYPE_NULL || recvtype == MPI_DATATYPE_NULL) { + retval = MPI_ERR_TYPE; + } else if(sendcounts == NULL || senddisps == NULL || recvcounts == NULL || recvdisps == NULL) { + retval = MPI_ERR_ARG; + } else { + retval = smpi_coll_basic_alltoallv(sendbuf, sendcounts, senddisps, sendtype, recvbuf, recvcounts, recvdisps, recvtype, comm); + } +#ifdef HAVE_TRACING + TRACE_smpi_collective_out (rank, -1, __FUNCTION__); +#endif + smpi_bench_begin(rank, "Alltoallv"); + return retval; +} + + +int MPI_Get_processor_name(char* name, int* resultlen) { + int retval = MPI_SUCCESS; + + smpi_bench_end(-1, NULL); + strncpy( name , SIMIX_host_get_name(SIMIX_host_self()), MPI_MAX_PROCESSOR_NAME-1); + *resultlen= strlen(name) > MPI_MAX_PROCESSOR_NAME ? MPI_MAX_PROCESSOR_NAME : strlen(name); + + smpi_bench_begin(-1, NULL); + return retval; +} - if (NULL == comm) { - retval = MPI_ERR_COMM; - } else if (NULL == size) { - retval = MPI_ERR_ARG; - } else { - *size = comm->size; - } +int MPI_Get_count(MPI_Status* status, MPI_Datatype datatype, int* count) { + int retval = MPI_SUCCESS; + size_t size; - smpi_bench_begin(); - - return retval; -} - -int MPI_Comm_rank(MPI_Comm comm, int *rank) -{ - int retval = MPI_SUCCESS; - - smpi_bench_end(); - - if (NULL == comm) { - retval = MPI_ERR_COMM; - } else if (NULL == rank) { - retval = MPI_ERR_ARG; - } else { - *rank = smpi_mpi_comm_rank(comm, SIMIX_host_self()); - } - - smpi_bench_begin(); - - return retval; -} - -int MPI_Type_size(MPI_Datatype datatype, size_t *size) -{ - int retval = MPI_SUCCESS; - - smpi_bench_end(); - - if (NULL == datatype) { - retval = MPI_ERR_TYPE; - } else if (NULL == size) { - retval = MPI_ERR_ARG; - } else { - *size = datatype->size; - } - - smpi_bench_begin(); - - return retval; -} - -int MPI_Barrier(MPI_Comm comm) -{ - smpi_bench_end(); - smpi_barrier(comm); - smpi_bench_begin(); - return MPI_SUCCESS; -} - -int MPI_Irecv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Request *request) -{ - int retval = MPI_SUCCESS; - int dst; - smpi_bench_end(); - dst = smpi_mpi_comm_rank_self(comm); - retval = smpi_create_request(buf, count, datatype, src, dst, tag, comm, request); - if (NULL != *request) { - smpi_irecv(*request); - } - smpi_bench_begin(); - return retval; -} - -int MPI_Recv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Status *status) -{ - int retval = MPI_SUCCESS; - int dst; - smpi_mpi_request_t *request; - smpi_bench_end(); - dst = smpi_mpi_comm_rank_self(comm); - retval = smpi_create_request(buf, count, datatype, src, dst, tag, comm, &request); - if (NULL != request) { - smpi_irecv(request); - smpi_wait(request, status); - // FIXME: mallocator - //xbt_free(request); - } - smpi_bench_begin(); - return retval; -} - -int MPI_Isend(void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request *request) -{ - int retval = MPI_SUCCESS; - int src; - smpi_bench_end(); - src = smpi_mpi_comm_rank_self(comm); - retval = smpi_create_request(buf, count, datatype, src, dst, tag, comm, request); - if (NULL != *request) { - smpi_isend(*request); - } - smpi_bench_begin(); - return retval; -} - -int MPI_Send(void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm) -{ - int retval = MPI_SUCCESS; - int src; - smpi_mpi_request_t *request; - smpi_bench_end(); - src = smpi_mpi_comm_rank_self(comm); - retval = smpi_create_request(buf, count, datatype, src, dst, tag, comm, &request); - if (NULL != request) { - smpi_isend(request); - smpi_wait(request, MPI_STATUS_IGNORE); - // FIXME: mallocator - //xbt_free(request) - } - smpi_bench_begin(); - return retval; + smpi_bench_end(-1, NULL); + if (status == NULL || count == NULL) { + retval = MPI_ERR_ARG; + } else if (datatype == MPI_DATATYPE_NULL) { + retval = MPI_ERR_TYPE; + } else { + size = smpi_datatype_size(datatype); + if (size == 0) { + *count = 0; + } else if (status->count % size != 0) { + retval = MPI_UNDEFINED; + } else { + *count = smpi_mpi_get_count(status, datatype); + } + } + smpi_bench_begin(-1, NULL); + return retval; }