X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/03216b99d0e66e1778d9b99b11c3207c87900aad..e1e50fa3f7c4b7b6bcb94dba4d4032f4d69260b9:/src/smpi/smpi_mpi.c

diff --git a/src/smpi/smpi_mpi.c b/src/smpi/smpi_mpi.c
index f18a5c1048..f98336efd7 100644
--- a/src/smpi/smpi_mpi.c
+++ b/src/smpi/smpi_mpi.c
@@ -1,461 +1,1017 @@
+/* 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 "simgrid/sg_config.h"
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_mpi, smpi,
                                 "Logging specific to SMPI (mpi)");
 
-int SMPI_MPI_Init(int *argc, char ***argv)
+/* MPI User level calls */
+
+int MPI_Init(int *argc, char ***argv)
+{
+
+  return PMPI_Init(argc, argv);
+}
+
+int MPI_Finalize(void)
+{
+  return PMPI_Finalize();
+}
+
+int MPI_Finalized(int * flag)
+{
+  return PMPI_Finalized(flag);
+}
+
+int MPI_Init_thread(int *argc, char ***argv, int required, int *provided)
+{
+  return PMPI_Init_thread(argc, argv, required, provided);
+}
+
+int MPI_Query_thread(int *provided)
+{
+  return PMPI_Query_thread(provided);
+}
+
+int MPI_Is_thread_main(int *flag)
+{
+  return PMPI_Is_thread_main(flag);
+}
+
+int MPI_Abort(MPI_Comm comm, int errorcode)
+{
+  return PMPI_Abort(comm, errorcode);
+}
+
+double MPI_Wtime(void)
+{
+  return PMPI_Wtime();
+}
+
+double MPI_Wtick(void)
+{
+  return PMPI_Wtick();
+}
+
+int MPI_Address(void *location, MPI_Aint * address)
+{
+  return PMPI_Address(location, address);
+}
+
+int MPI_Get_address(void *location, MPI_Aint * address)
+{
+  return PMPI_Get_address(location, address);
+}
+
+int MPI_Type_free(MPI_Datatype * datatype)
+{
+  return PMPI_Type_free(datatype);
+}
+
+int MPI_Type_dup(MPI_Datatype  datatype, MPI_Datatype * newdatatype)
+{
+  return PMPI_Type_dup(datatype, newdatatype);
+}
+
+int MPI_Type_set_name(MPI_Datatype  datatype, char * name)
+{
+  return PMPI_Type_set_name(datatype, name);
+}
+
+int MPI_Type_get_name(MPI_Datatype  datatype, char * name, int* len)
+{
+  return PMPI_Type_get_name(datatype,name,len);
+}
+
+int MPI_Type_get_attr (MPI_Datatype type, int type_keyval, void *attribute_val, int* flag)
+{
+   return PMPI_Type_set_attr ( type, type_keyval, attribute_val);
+}
+
+int MPI_Type_set_attr (MPI_Datatype type, int type_keyval, void *attribute_val)
 {
-  smpi_process_init(argc,argv);
-  smpi_bench_begin();
-  return MPI_SUCCESS;
+   return PMPI_Type_set_attr ( type, type_keyval, attribute_val);
 }
 
-int SMPI_MPI_Finalize()
+int MPI_Type_delete_attr (MPI_Datatype type, int type_keyval)
 {
-  smpi_bench_end();
-  smpi_process_finalize();
-  return MPI_SUCCESS;
+   return PMPI_Type_delete_attr (type,  type_keyval);
 }
 
-// right now this just exits the current node, should send abort signal to all
-// hosts in the communicator (TODO)
-int SMPI_MPI_Abort(MPI_Comm comm, int errorcode)
+int MPI_Type_create_keyval(MPI_Type_copy_attr_function* copy_fn, MPI_Type_delete_attr_function* delete_fn, int* keyval, void* extra_state)
 {
-  smpi_exit(errorcode);
-  return 0;
+   return PMPI_Type_create_keyval(copy_fn,  delete_fn,  keyval,  extra_state) ;
 }
 
-int SMPI_MPI_Comm_size(MPI_Comm comm, int *size)
+int MPI_Type_free_keyval(int* keyval) {
+   return PMPI_Type_free_keyval( keyval);
+}
+
+int MPI_Pcontrol(const int level )
+{
+  return PMPI_Pcontrol(level);
+}
+
+int MPI_Type_size(MPI_Datatype datatype, int *size)
+{
+  return PMPI_Type_size(datatype, size);
+}
+
+int MPI_Type_get_extent(MPI_Datatype datatype, MPI_Aint * lb, MPI_Aint * extent)
+{
+  return PMPI_Type_get_extent(datatype, lb, extent);
+}
+
+int MPI_Type_get_true_extent(MPI_Datatype datatype, MPI_Aint * lb, MPI_Aint * extent)
+{
+  return PMPI_Type_get_true_extent(datatype, lb, extent);
+}
+
+int MPI_Type_extent(MPI_Datatype datatype, MPI_Aint * extent)
+{
+  return PMPI_Type_extent(datatype, extent);
+}
+
+int MPI_Type_lb(MPI_Datatype datatype, MPI_Aint * disp)
+{
+  return PMPI_Type_lb(datatype, disp);
+}
+
+int MPI_Type_ub(MPI_Datatype datatype, MPI_Aint * disp)
+{
+  return PMPI_Type_ub(datatype, disp);
+}
+
+int MPI_Op_create(MPI_User_function * function, int commute, MPI_Op * op)
+{
+  return PMPI_Op_create(function, commute, op);
+}
+
+int MPI_Op_free(MPI_Op * op)
 {
-  int retval = MPI_SUCCESS;
+  return PMPI_Op_free(op);
+}
+
+int MPI_Group_free(MPI_Group * group)
+{
+  return PMPI_Group_free(group);
+}
+
+int MPI_Group_size(MPI_Group group, int *size)
+{
+  return PMPI_Group_size(group, size);
+}
+
+int MPI_Group_rank(MPI_Group group, int *rank)
+{
+  return PMPI_Group_rank(group, rank);
+}
+
+int MPI_Group_translate_ranks(MPI_Group group1, int n, int *ranks1,
+                              MPI_Group group2, int *ranks2)
+{
+  return PMPI_Group_translate_ranks(group1, n, ranks1, group2, ranks2);
+}
 
-  smpi_bench_end();
+int MPI_Group_compare(MPI_Group group1, MPI_Group group2, int *result)
+{
+  return PMPI_Group_compare(group1, group2, result);
+}
+
+int MPI_Group_union(MPI_Group group1, MPI_Group group2, MPI_Group * newgroup)
+{
+  return PMPI_Group_union(group1, group2, newgroup);
+}
+
+int MPI_Group_intersection(MPI_Group group1, MPI_Group group2, MPI_Group * newgroup)
+{
+  return PMPI_Group_intersection(group1, group2, newgroup);
+}
+
+int MPI_Group_difference(MPI_Group group1, MPI_Group group2, MPI_Group * newgroup)
+{
+  return PMPI_Group_difference(group1, group2, newgroup);
+}
+
+int MPI_Group_incl(MPI_Group group, int n, int *ranks, MPI_Group * newgroup)
+{
+  return PMPI_Group_incl(group, n, ranks, newgroup);
+}
 
-  if (NULL == comm) {
-    retval = MPI_ERR_COMM;
-  } else if (NULL == size) {
-    retval = MPI_ERR_ARG;
-  } else {
-    *size = comm->size;
-  }
+int MPI_Group_excl(MPI_Group group, int n, int *ranks, MPI_Group * newgroup)
+{
+  return PMPI_Group_excl(group, n, ranks, newgroup);
+}
 
-  smpi_bench_begin();
+int MPI_Group_range_incl(MPI_Group group, int n, int ranges[][3],
+                         MPI_Group * newgroup)
+{
+  return PMPI_Group_range_incl(group, n, ranges, newgroup);
+}
 
-  return retval;
+int MPI_Group_range_excl(MPI_Group group, int n, int ranges[][3],
+                         MPI_Group * newgroup)
+{
+  return PMPI_Group_range_excl(group, n, ranges, newgroup);
 }
 
-int SMPI_MPI_Comm_rank(MPI_Comm comm, int *rank)
+int MPI_Comm_rank(MPI_Comm comm, int *rank)
 {
-  int retval = MPI_SUCCESS;
+  return PMPI_Comm_rank(comm, rank);
+}
 
-  smpi_bench_end();
+int MPI_Comm_size(MPI_Comm comm, int *size)
+{
+  return PMPI_Comm_size(comm, size);
+}
 
-  if (NULL == comm) {
-    retval = MPI_ERR_COMM;
-  } else if (NULL == rank) {
-    retval = MPI_ERR_ARG;
-  } else {
-    *rank = smpi_mpi_comm_rank(comm);
-  }
+int MPI_Comm_get_attr (MPI_Comm comm, int comm_keyval, void *attribute_val, int *flag)
+{
+  return PMPI_Comm_get_attr (comm, comm_keyval, attribute_val, flag);
+}
 
-  smpi_bench_begin();
+int MPI_Comm_set_attr (MPI_Comm comm, int comm_keyval, void *attribute_val)
+{
+   return PMPI_Comm_set_attr ( comm, comm_keyval, attribute_val);
+}
 
-  return retval;
+int MPI_Comm_delete_attr (MPI_Comm comm, int comm_keyval)
+{
+   return PMPI_Comm_delete_attr (comm,  comm_keyval);
 }
 
-int SMPI_MPI_Type_size(MPI_Datatype datatype, size_t * size)
+int MPI_Comm_create_keyval(MPI_Comm_copy_attr_function* copy_fn, MPI_Comm_delete_attr_function* delete_fn, int* keyval, void* extra_state)
 {
-  int retval = MPI_SUCCESS;
+   return PMPI_Comm_create_keyval(copy_fn,  delete_fn,  keyval,  extra_state) ;
+}
 
-  smpi_bench_end();
+int MPI_Comm_free_keyval(int* keyval) {
+   return PMPI_Comm_free_keyval( keyval);
+}
 
-  if (NULL == datatype) {
-    retval = MPI_ERR_TYPE;
-  } else if (NULL == size) {
-    retval = MPI_ERR_ARG;
-  } else {
-    *size = datatype->size;
-  }
+int MPI_Comm_get_name (MPI_Comm comm, char* name, int* len)
+{
+  return PMPI_Comm_get_name(comm, name, len);
+}
 
-  smpi_bench_begin();
+int MPI_Comm_group(MPI_Comm comm, MPI_Group * group)
+{
+  return PMPI_Comm_group(comm, group);
+}
 
-  return retval;
+int MPI_Comm_compare(MPI_Comm comm1, MPI_Comm comm2, int *result)
+{
+  return PMPI_Comm_compare(comm1, comm2, result);
+}
+
+int MPI_Comm_dup(MPI_Comm comm, MPI_Comm * newcomm)
+{
+  return PMPI_Comm_dup(comm, newcomm);
 }
 
-int SMPI_MPI_Barrier(MPI_Comm comm)
+int MPI_Comm_create(MPI_Comm comm, MPI_Group group, MPI_Comm * newcomm)
 {
-  int retval = MPI_SUCCESS;
+  return PMPI_Comm_create(comm, group, newcomm);
+}
 
-  smpi_bench_end();
+int MPI_Comm_free(MPI_Comm * comm)
+{
+  return PMPI_Comm_free(comm);
+}
 
-  if (NULL == comm) {
-    retval = MPI_ERR_COMM;
-  } else {
-    retval = smpi_mpi_barrier(comm);
-  }
+int MPI_Comm_disconnect(MPI_Comm * comm)
+{
+  return PMPI_Comm_disconnect(comm);
+}
 
-  smpi_bench_begin();
+int MPI_Comm_split(MPI_Comm comm, int color, int key, MPI_Comm* comm_out)
+{
+  return PMPI_Comm_split(comm, color, key, comm_out);
+}
 
-  return retval;
+int MPI_Send_init(void *buf, int count, MPI_Datatype datatype, int dst,
+                  int tag, MPI_Comm comm, MPI_Request * request)
+{
+  return PMPI_Send_init(buf, count, datatype, dst, tag, comm, request);
 }
 
-int SMPI_MPI_Irecv(void *buf, int count, MPI_Datatype datatype, int src,
-                   int tag, MPI_Comm comm, MPI_Request * request)
+int MPI_Recv_init(void *buf, int count, MPI_Datatype datatype, int src,
+                  int tag, MPI_Comm comm, MPI_Request * request)
 {
-  int retval = MPI_SUCCESS;
+  return PMPI_Recv_init(buf, count, datatype, src, tag, comm, request);
+}
 
-  smpi_bench_end();
+int MPI_Start(MPI_Request * request)
+{
+  return PMPI_Start(request);
+}
 
-  retval = smpi_create_request(buf, count, datatype, src, 0, tag, comm,
-                               request);
-  if (NULL != *request && MPI_SUCCESS == retval) {
-    retval = smpi_mpi_irecv(*request);
-  }
+int MPI_Startall(int count, MPI_Request * requests)
+{
+  return PMPI_Startall(count, requests);
+}
 
-  smpi_bench_begin();
+int MPI_Request_free(MPI_Request * request)
+{
+  return PMPI_Request_free(request);
+}
 
-  return retval;
+int MPI_Irecv(void *buf, int count, MPI_Datatype datatype, int src,
+              int tag, MPI_Comm comm, MPI_Request * request)
+{
+  return PMPI_Irecv(buf, count, datatype, src, tag, comm, request);
 }
 
-int SMPI_MPI_Recv(void *buf, int count, MPI_Datatype datatype, int src,
-                  int tag, MPI_Comm comm, MPI_Status * status)
+int MPI_Isend(void *buf, int count, MPI_Datatype datatype, int dst,
+              int tag, MPI_Comm comm, MPI_Request * request)
 {
-  int retval = MPI_SUCCESS;
-  smpi_mpi_request_t request;
+  return PMPI_Isend(buf, count, datatype, dst, tag, comm, request);
+}
 
-  smpi_bench_end();
+int MPI_Recv(void *buf, int count, MPI_Datatype datatype, int src, int tag,
+             MPI_Comm comm, MPI_Status * status)
+{
+  return PMPI_Recv(buf, count, datatype, src, tag, comm, status);
+}
 
-  retval = smpi_create_request(buf, count, datatype, src, 0, tag, comm,
-                               &request);
-  if (NULL != request && MPI_SUCCESS == retval) {
-    retval = smpi_mpi_irecv(request);
-    if (MPI_SUCCESS == retval) {
-      retval = smpi_mpi_wait(request, status);
-    }
-    xbt_mallocator_release(smpi_global->request_mallocator, request);
-  }
+int MPI_Send(void *buf, int count, MPI_Datatype datatype, int dst, int tag,
+             MPI_Comm comm)
+{
+  return PMPI_Send(buf, count, datatype, dst, tag, comm);
+}
 
-  smpi_bench_begin();
+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)
+{
+  return PMPI_Sendrecv(sendbuf, sendcount, sendtype, dst, sendtag,
+                       recvbuf, recvcount, recvtype, src, recvtag,
+                       comm, status);
+}
 
-  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)
+{
+  return PMPI_Sendrecv_replace(buf, count, datatype, dst, sendtag, src,
+                               recvtag, comm, status);
 }
 
-int SMPI_MPI_Isend(void *buf, int count, MPI_Datatype datatype, int dst,
-                   int tag, MPI_Comm comm, MPI_Request * request)
+int MPI_Test(MPI_Request * request, int *flag, MPI_Status * status)
 {
-  int retval = MPI_SUCCESS;
+  return PMPI_Test(request, flag, status);
+}
 
-  smpi_bench_end();
+int MPI_Testany(int count, MPI_Request requests[], int *index, int *flag,
+                MPI_Status * status)
+{
+  return PMPI_Testany(count, requests, index, flag, status);
+}
 
-  retval = smpi_create_request(buf, count, datatype, 0, dst, tag, comm,
-                               request);
-  if (NULL != *request && MPI_SUCCESS == retval) {
-    retval = smpi_mpi_isend(*request);
-  }
+int MPI_Wait(MPI_Request * request, MPI_Status * status)
+{
+  return PMPI_Wait(request, status);
+}
 
-  smpi_bench_begin();
+int MPI_Waitany(int count, MPI_Request requests[], int *index, MPI_Status * status)
+{
+  return PMPI_Waitany(count, requests, index, status);
+}
 
-  return retval;
+int MPI_Waitall(int count, MPI_Request requests[], MPI_Status status[])
+{
+  return PMPI_Waitall(count, requests, status);
 }
 
-int SMPI_MPI_Send(void *buf, int count, MPI_Datatype datatype, int dst,
-                  int tag, MPI_Comm comm)
+int MPI_Waitsome(int incount, MPI_Request requests[], int *outcount,
+                 int *indices, MPI_Status status[])
 {
-  int retval = MPI_SUCCESS;
-  smpi_mpi_request_t request;
+  return PMPI_Waitsome(incount, requests, outcount, indices, status);
+}
 
-  smpi_bench_end();
+int MPI_Bcast(void *buf, int count, MPI_Datatype datatype, int root, MPI_Comm comm)
+{
+  return PMPI_Bcast(buf, count, datatype, root, comm);
+}
 
-  retval = smpi_create_request(buf, count, datatype, 0, dst, tag, comm,
-                               &request);
-  if (NULL != request && MPI_SUCCESS == retval) {
-    retval = smpi_mpi_isend(request);
-    if (MPI_SUCCESS == retval) {
-      smpi_mpi_wait(request, MPI_STATUS_IGNORE);
-    }
-    xbt_mallocator_release(smpi_global->request_mallocator, request);
-  }
+int MPI_Barrier(MPI_Comm comm)
+{
+  return PMPI_Barrier(comm);
+}
 
-  smpi_bench_begin();
+int MPI_Gather(void *sendbuf, int sendcount, MPI_Datatype sendtype,
+               void *recvbuf, int recvcount, MPI_Datatype recvtype,
+               int root, MPI_Comm comm)
+{
+  return PMPI_Gather(sendbuf, sendcount, sendtype,
+                     recvbuf, recvcount, recvtype,
+                     root, comm);
+}
 
-  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)
+{
+  return PMPI_Gatherv(sendbuf, sendcount, sendtype,
+                      recvbuf, recvcounts, displs, recvtype,
+                      root, comm);
 }
 
-/**
- * MPI_Wait and friends
- **/
-int SMPI_MPI_Wait(MPI_Request * request, MPI_Status * status)
+int MPI_Allgather(void *sendbuf, int sendcount, MPI_Datatype sendtype,
+                  void *recvbuf, int recvcount, MPI_Datatype recvtype,
+                  MPI_Comm comm)
 {
-  return smpi_mpi_wait(*request, status);
+  return PMPI_Allgather(sendbuf, sendcount, sendtype,
+                        recvbuf, recvcount, recvtype,
+                        comm);
 }
 
-int SMPI_MPI_Waitall(int count, MPI_Request requests[], MPI_Status status[]) {
-	return smpi_mpi_waitall(count, requests,status);
+int MPI_Allgatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype,
+                   void *recvbuf, int *recvcounts, int *displs,
+                   MPI_Datatype recvtype, MPI_Comm comm)
+{
+  return PMPI_Allgatherv(sendbuf, sendcount, sendtype,
+                         recvbuf, recvcounts, displs, recvtype,
+                         comm);
 }
-int SMPI_MPI_Waitany(int count, MPI_Request requests[], int *index, MPI_Status status[]) {
-	return smpi_mpi_waitany(count, requests, index,status);
+
+int MPI_Scatter(void *sendbuf, int sendcount, MPI_Datatype sendtype,
+                void *recvbuf, int recvcount, MPI_Datatype recvtype,
+                int root, MPI_Comm comm)
+{
+  return PMPI_Scatter(sendbuf, sendcount, sendtype,
+                      recvbuf, recvcount, recvtype,
+                      root, comm);
 }
-/**
- * MPI_Bcast
- **/
-int SMPI_MPI_Bcast(void *buf, int count, MPI_Datatype datatype, int root,
-                   MPI_Comm comm)
+
+int MPI_Scatterv(void *sendbuf, int *sendcounts, int *displs,
+                 MPI_Datatype sendtype, void *recvbuf, int recvcount,
+                 MPI_Datatype recvtype, int root, MPI_Comm comm)
 {
+  return PMPI_Scatterv(sendbuf, sendcounts, displs, sendtype,
+                       recvbuf, recvcount, recvtype,
+                       root, comm);
+}
 
-  int retval = MPI_SUCCESS;
-  int rank;
-  smpi_mpi_request_t request;
+int MPI_Reduce(void *sendbuf, void *recvbuf, int count,
+               MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm)
+{
+  return PMPI_Reduce(sendbuf, recvbuf, count, datatype, op, root, comm);
+}
 
-  smpi_bench_end();
+int MPI_Reduce_local(void *inbuf, void *inoutbuf, int count,
+    MPI_Datatype datatype, MPI_Op op){
+  return PMPI_Reduce_local(inbuf, inoutbuf, count, datatype, op);
+}
 
-  rank = smpi_mpi_comm_rank(comm);
+int MPI_Allreduce(void *sendbuf, void *recvbuf, int count,
+                  MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
+{
+  return PMPI_Allreduce(sendbuf, recvbuf, count, datatype, op, comm);
+}
 
-  if (rank == root) {
-    retval = smpi_create_request(buf, count, datatype, root,
-                                 (root + 1) % comm->size, 0, comm, &request);
-    request->forward = comm->size - 1;
-    smpi_mpi_isend(request);
-  } else {
-    retval = smpi_create_request(buf, count, datatype, MPI_ANY_SOURCE, rank,
-                                 0, comm, &request);
-    smpi_mpi_irecv(request);
-  }
+int MPI_Scan(void *sendbuf, void *recvbuf, int count,
+             MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
+{
+  return PMPI_Scan(sendbuf, recvbuf, count, datatype, op, comm);
+}
 
-  smpi_mpi_wait(request, MPI_STATUS_IGNORE);
-  xbt_mallocator_release(smpi_global->request_mallocator, request);
+int MPI_Reduce_scatter(void *sendbuf, void *recvbuf, int *recvcounts,
+                       MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
+{
+  return PMPI_Reduce_scatter(sendbuf, recvbuf, recvcounts, datatype, op, comm);
+}
 
-  smpi_bench_begin();
+int MPI_Reduce_scatter_block(void *sendbuf, void *recvbuf, int recvcount,
+                      MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
+{
+  return PMPI_Reduce_scatter_block(sendbuf, recvbuf, recvcount, datatype, op, comm);
+}
 
-  return retval;
+int MPI_Alltoall(void *sendbuf, int sendcount, MPI_Datatype sendtype,
+                 void *recvbuf, int recvcount, MPI_Datatype recvtype,
+                 MPI_Comm comm)
+{
+  return PMPI_Alltoall(sendbuf, sendcount, sendtype,
+                       recvbuf, recvcount, recvtype,
+                       comm);
 }
 
-/**
- * debugging helper function
- **/
-void print_buffer_int( void *buf, int len, const char *msg) ;
-void print_buffer_int( void *buf, int len, const char *msg) {
-	  int tmp, *v;
-	  printf("**%s: ",msg);
-	  for (tmp=0;tmp<len;tmp++) {
-		    v = buf;
-		    printf("[%d]", v[tmp] );
-	  }
-	  printf("\n");
+int MPI_Alltoallv(void *sendbuf, int *sendcounts, int *senddisps,
+                  MPI_Datatype sendtype, void *recvbuf, int *recvcounts,
+                  int *recvdisps, MPI_Datatype recvtype, MPI_Comm comm)
+{
+  return PMPI_Alltoallv(sendbuf, sendcounts, senddisps, sendtype,
+                        recvbuf, recvcounts, recvdisps, recvtype,
+                        comm);
 }
 
 
-/**
- * MPI_Reduce
- **/
+int MPI_Get_processor_name(char *name, int *resultlen)
+{
+  return PMPI_Get_processor_name(name, resultlen);
+}
 
-int SMPI_MPI_Reduce( void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype,
-   		         MPI_Op op, int root, MPI_Comm comm )
+int MPI_Get_count(MPI_Status * status, MPI_Datatype datatype, int *count)
 {
-  int retval = MPI_SUCCESS;
-  int rank;
-  int size;
-  int i;
-  int tag=0;
-  smpi_mpi_request_t *tabrequest;
-  smpi_mpi_request_t request;
+  return PMPI_Get_count(status, datatype, count);
+}
+
+int MPI_Pack_size(int incount, MPI_Datatype datatype, MPI_Comm comm, int* size) {
+  return PMPI_Pack_size(incount, datatype, comm, size);
+}
+
+int MPI_Cart_coords(MPI_Comm comm, int rank, int maxdims, int* coords) {
+  return PMPI_Cart_coords(comm, rank, maxdims, coords);
+}
+
+int MPI_Cart_create(MPI_Comm comm_old, int ndims, int* dims, int* periods, int reorder, MPI_Comm* comm_cart) {
+  return PMPI_Cart_create(comm_old, ndims, dims, periods, reorder, comm_cart);
+}
+
+int MPI_Cart_get(MPI_Comm comm, int maxdims, int* dims, int* periods, int* coords) {
+  return PMPI_Cart_get(comm, maxdims, dims, periods, coords);
+}
+
+int MPI_Cart_map(MPI_Comm comm_old, int ndims, int* dims, int* periods, int* newrank) {
+  return PMPI_Cart_map(comm_old, ndims, dims, periods, newrank);
+}
+
+int MPI_Cart_rank(MPI_Comm comm, int* coords, int* rank) {
+  return PMPI_Cart_rank(comm, coords, rank);
+}
+
+int MPI_Cart_shift(MPI_Comm comm, int direction, int displ, int* source, int* dest) {
+  return PMPI_Cart_shift(comm, direction, displ, source, dest);
+}
+
+int MPI_Cart_sub(MPI_Comm comm, int* remain_dims, MPI_Comm* comm_new) {
+  return PMPI_Cart_sub(comm, remain_dims, comm_new);
+}
+
+int MPI_Cartdim_get(MPI_Comm comm, int* ndims) {
+  return PMPI_Cartdim_get(comm, ndims);
+}
+
+int MPI_Graph_create(MPI_Comm comm_old, int nnodes, int* index, int* edges, int reorder, MPI_Comm* comm_graph) {
+  return PMPI_Graph_create(comm_old, nnodes, index, edges, reorder, comm_graph);
+}
+
+int MPI_Graph_get(MPI_Comm comm, int maxindex, int maxedges, int* index, int* edges) {
+  return PMPI_Graph_get(comm, maxindex, maxedges, index, edges);
+}
+
+int MPI_Graph_map(MPI_Comm comm_old, int nnodes, int* index, int* edges, int* newrank) {
+  return PMPI_Graph_map(comm_old, nnodes, index, edges, newrank);
+}
+
+int MPI_Graph_neighbors(MPI_Comm comm, int rank, int maxneighbors, int* neighbors) {
+  return PMPI_Graph_neighbors(comm, rank, maxneighbors, neighbors);
+}
+
+int MPI_Graph_neighbors_count(MPI_Comm comm, int rank, int* nneighbors) {
+  return PMPI_Graph_neighbors_count(comm, rank, nneighbors);
+}
+
+int MPI_Graphdims_get(MPI_Comm comm, int* nnodes, int* nedges) {
+  return PMPI_Graphdims_get(comm, nnodes, nedges);
+}
+
+int MPI_Topo_test(MPI_Comm comm, int* top_type) {
+  return PMPI_Topo_test(comm, top_type);
+}
+
+int MPI_Error_class(int errorcode, int* errorclass) {
+  return PMPI_Error_class(errorcode, errorclass);
+}
+
+int MPI_Errhandler_create(MPI_Handler_function* function, MPI_Errhandler* errhandler) {
+  return PMPI_Errhandler_create(function, errhandler);
+}
+
+int MPI_Errhandler_free(MPI_Errhandler* errhandler) {
+  return PMPI_Errhandler_free(errhandler);
+}
+
+int MPI_Errhandler_get(MPI_Comm comm, MPI_Errhandler* errhandler) {
+  return PMPI_Errhandler_get(comm, errhandler);
+}
+
+int MPI_Error_string(int errorcode, char* string, int* resultlen) {
+  return PMPI_Error_string(errorcode, string, resultlen);
+}
+
+int MPI_Errhandler_set(MPI_Comm comm, MPI_Errhandler errhandler) {
+  return PMPI_Errhandler_set(comm, errhandler);
+}
+
+int MPI_Comm_set_errhandler(MPI_Comm comm, MPI_Errhandler errhandler) {
+  return PMPI_Errhandler_set(comm, errhandler);
+}
+
+int MPI_Type_contiguous(int count, MPI_Datatype old_type, MPI_Datatype* newtype) {
+  return PMPI_Type_contiguous(count, old_type, newtype);
+}
+
+int MPI_Cancel(MPI_Request* request) {
+  return PMPI_Cancel(request);
+}
+
+int MPI_Buffer_attach(void* buffer, int size) {
+  return PMPI_Buffer_attach(buffer, size);
+}
+
+int MPI_Buffer_detach(void* buffer, int* size) {
+  return PMPI_Buffer_detach(buffer, size);
+}
+
+int MPI_Testsome(int incount, MPI_Request* requests, int* outcount, int* indices, MPI_Status* statuses) {
+  return PMPI_Testsome(incount, requests, outcount, indices, statuses);
+}
+
+int MPI_Comm_test_inter(MPI_Comm comm, int* flag) {
+  return PMPI_Comm_test_inter(comm, flag);
+}
+
+int MPI_Unpack(void* inbuf, int insize, int* position, void* outbuf, int outcount, MPI_Datatype type, MPI_Comm comm) {
+  return PMPI_Unpack(inbuf, insize, position, outbuf, outcount, type, comm);
+}
+
+int MPI_Pack_external_size(char *datarep, int incount, MPI_Datatype datatype, MPI_Aint *size){
+  return PMPI_Pack_external_size(datarep, incount, datatype, size);
+}
+
+int MPI_Pack_external(char *datarep, void *inbuf, int incount, MPI_Datatype datatype, void *outbuf, MPI_Aint outcount, MPI_Aint *position){
+  return PMPI_Pack_external(datarep, inbuf, incount, datatype, outbuf, outcount, position);
+}
+
+int MPI_Unpack_external( char *datarep, void *inbuf, MPI_Aint insize, MPI_Aint *position, void *outbuf, int outcount, MPI_Datatype datatype){
+  return PMPI_Unpack_external( datarep, inbuf, insize, position, outbuf, outcount, datatype);
+}
+
+int MPI_Type_commit(MPI_Datatype* datatype) {
+  return PMPI_Type_commit(datatype);
+}
+
+int MPI_Type_hindexed(int count, int* blocklens, MPI_Aint* indices, MPI_Datatype old_type, MPI_Datatype* newtype) {
+  return PMPI_Type_hindexed(count, blocklens, indices, old_type, newtype);
+}
+
+int MPI_Type_create_hindexed_block(int count, int blocklength, MPI_Aint* indices, MPI_Datatype old_type, MPI_Datatype* newtype) {
+  return PMPI_Type_create_hindexed_block(count, blocklength, indices, old_type, newtype);
+}
+
+int MPI_Type_hvector(int count, int blocklen, MPI_Aint stride, MPI_Datatype old_type, MPI_Datatype* newtype) {
+  return PMPI_Type_hvector(count, blocklen, stride, old_type, newtype);
+}
+
+int MPI_Type_indexed(int count, int* blocklens, int* indices, MPI_Datatype old_type, MPI_Datatype* newtype) {
+  return PMPI_Type_indexed(count, blocklens, indices, old_type, newtype);
+}
+
+int MPI_Type_create_indexed_block(int count, int blocklength, int* indices,  MPI_Datatype old_type,  MPI_Datatype *newtype){
+  return PMPI_Type_create_indexed_block(count, blocklength, indices, old_type, newtype);
+}
+
+int MPI_Type_struct(int count, int* blocklens, MPI_Aint* indices, MPI_Datatype* old_types, MPI_Datatype* newtype) {
+  return PMPI_Type_struct(count, blocklens, indices, old_types, newtype);
+}
+
+int MPI_Type_create_struct(int count, int* blocklens, MPI_Aint* indices, MPI_Datatype* old_types, MPI_Datatype* newtype) {
+  return PMPI_Type_create_struct(count, blocklens, indices, old_types, newtype);
+}
+
+int MPI_Type_vector(int count, int blocklen, int stride, MPI_Datatype old_type, MPI_Datatype* newtype) {
+  return PMPI_Type_vector(count, blocklen, stride, old_type, newtype);
+}
+
+int MPI_Ssend(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm) {
+  return PMPI_Ssend(buf, count, datatype, dest, tag, comm);
+}
+
+int MPI_Ssend_init(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request) {
+  return PMPI_Ssend_init(buf, count, datatype, dest, tag, comm, request);
+}
+
+int MPI_Intercomm_create(MPI_Comm local_comm, int local_leader, MPI_Comm peer_comm, int remote_leader, int tag, MPI_Comm* comm_out) {
+  return PMPI_Intercomm_create(local_comm, local_leader, peer_comm, remote_leader, tag, comm_out);
+}
+
+int MPI_Intercomm_merge(MPI_Comm comm, int high, MPI_Comm* comm_out) {
+  return PMPI_Intercomm_merge(comm, high, comm_out);
+}
+
+int MPI_Bsend(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm) {
+  return PMPI_Bsend(buf, count, datatype, dest, tag, comm);
+}
+
+int MPI_Bsend_init(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request) {
+  return PMPI_Bsend_init(buf, count, datatype, dest, tag, comm, request);
+}
+
+int MPI_Ibsend(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request) {
+  return PMPI_Ibsend(buf, count, datatype, dest, tag, comm, request);
+}
+
+int MPI_Comm_remote_group(MPI_Comm comm, MPI_Group* group) {
+  return PMPI_Comm_remote_group(comm, group);
+}
+
+int MPI_Comm_remote_size(MPI_Comm comm, int* size) {
+  return PMPI_Comm_remote_size(comm, size);
+}
+
+int MPI_Issend(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request) {
+  return PMPI_Issend(buf, count, datatype, dest, tag, comm, request);
+}
+
+int MPI_Probe(int source, int tag, MPI_Comm comm, MPI_Status* status) {
+  return PMPI_Probe(source, tag, comm, status);
+}
+
+int MPI_Attr_delete(MPI_Comm comm, int keyval) {
+  return PMPI_Attr_delete(comm, keyval);
+}
+
+int MPI_Attr_get(MPI_Comm comm, int keyval, void* attr_value, int* flag) {
+  return PMPI_Attr_get(comm, keyval, attr_value, flag);
+}
+
+int MPI_Attr_put(MPI_Comm comm, int keyval, void* attr_value) {
+  return PMPI_Attr_put(comm, keyval, attr_value);
+}
+
+int MPI_Rsend(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm) {
+  return PMPI_Rsend(buf, count, datatype, dest, tag, comm);
+}
+
+int MPI_Rsend_init(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request) {
+  return PMPI_Rsend_init(buf, count, datatype, dest, tag, comm, request);
+}
+
+int MPI_Irsend(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request) {
+  return PMPI_Irsend(buf, count, datatype, dest, tag, comm, request);
+}
+
+int MPI_Keyval_create(MPI_Copy_function* copy_fn, MPI_Delete_function* delete_fn, int* keyval, void* extra_state) {
+  return PMPI_Keyval_create(copy_fn, delete_fn, keyval, extra_state);
+}
+
+int MPI_Keyval_free(int* keyval) {
+  return PMPI_Keyval_free(keyval);
+}
+
+int MPI_Test_cancelled(MPI_Status* status, int* flag) {
+  return PMPI_Test_cancelled(status, flag);
+}
+
+int MPI_Pack(void* inbuf, int incount, MPI_Datatype type, void* outbuf, int outcount, int* position, MPI_Comm comm) {
+  return PMPI_Pack(inbuf, incount, type, outbuf, outcount, position, comm);
+}
+
+int MPI_Testall(int count, MPI_Request* requests, int* flag, MPI_Status* statuses) {
+  return PMPI_Testall(count, requests, flag, statuses);
+}
+
+int MPI_Get_elements(MPI_Status* status, MPI_Datatype datatype, int* elements) {
+  return PMPI_Get_elements(status, datatype, elements);
+}
+
+int MPI_Dims_create(int nnodes, int ndims, int* dims) {
+  return PMPI_Dims_create(nnodes, ndims, dims);
+}
+
+int MPI_Iprobe(int source, int tag, MPI_Comm comm, int* flag, MPI_Status* status) {
+  return PMPI_Iprobe(source, tag, comm, flag, status);
+}
+
+int MPI_Initialized(int* flag) {
+  return PMPI_Initialized(flag);
+}
+
+int MPI_Win_fence( int assert,  MPI_Win win){
+   return PMPI_Win_fence( assert, win);
+}
+
+int MPI_Win_free( MPI_Win* win){
+   return PMPI_Win_free(  win);
+}
+
+int MPI_Win_create( void *base, MPI_Aint size, int disp_unit, MPI_Info info, MPI_Comm comm, MPI_Win *win){
+  return PMPI_Win_create( base, size, disp_unit, info, comm,win);
+}
+
+int MPI_Info_create( MPI_Info *info){
+  return PMPI_Info_create( info);
+}
+
+int MPI_Info_set( MPI_Info info, char *key, char *value){
+  return PMPI_Info_set( info, key, value);
+}
+
+int MPI_Info_free( MPI_Info *info){
+  return PMPI_Info_free( info);
+}
+
+int MPI_Get( void *origin_addr, int origin_count, MPI_Datatype origin_datatype, int target_rank,
+    MPI_Aint target_disp, int target_count, MPI_Datatype target_datatype, MPI_Win win){
+  return PMPI_Get( origin_addr,origin_count, origin_datatype,target_rank,
+      target_disp, target_count,target_datatype, win);
+}
+
+int MPI_Type_get_envelope( MPI_Datatype datatype, int *num_integers,
+                          int *num_addresses, int *num_datatypes, int *combiner){
+  return PMPI_Type_get_envelope(  datatype, num_integers,
+      num_addresses, num_datatypes, combiner);
+}
+
+int MPI_Type_get_contents(MPI_Datatype datatype, int max_integers, int max_addresses,
+                            int max_datatypes, int* array_of_integers, MPI_Aint* array_of_addresses,
+                            MPI_Datatype *array_of_datatypes){
+  return PMPI_Type_get_contents(datatype, max_integers, max_addresses,
+      max_datatypes, array_of_integers, array_of_addresses,
+       array_of_datatypes);
+}
+
+int MPI_Type_create_darray(int size, int rank, int ndims, int* array_of_gsizes,
+                            int* array_of_distribs, int* array_of_dargs, int* array_of_psizes,
+                            int order, MPI_Datatype oldtype, MPI_Datatype *newtype) {
+  return PMPI_Type_create_darray(size, rank, ndims,  array_of_gsizes,
+       array_of_distribs,  array_of_dargs,  array_of_psizes,
+      order,  oldtype, newtype) ;
+}
+
+int MPI_Type_create_resized(MPI_Datatype oldtype,MPI_Aint lb, MPI_Aint extent, MPI_Datatype *newtype){
+  return PMPI_Type_create_resized(oldtype,lb, extent, newtype);
+}
+
+int MPI_Type_create_subarray(int ndims,int *array_of_sizes, int *array_of_subsizes, int *array_of_starts, int order, MPI_Datatype oldtype, MPI_Datatype *newtype){
+  return PMPI_Type_create_subarray(ndims,array_of_sizes, array_of_subsizes, array_of_starts, order, oldtype, newtype);
+}
+
+int MPI_Type_match_size(int typeclass,int size,MPI_Datatype *datatype){
+  return PMPI_Type_match_size(typeclass,size,datatype);
+}
+
+int MPI_Alltoallw( void *sendbuf, int *sendcnts, int *sdispls, MPI_Datatype *sendtypes,
+                   void *recvbuf, int *recvcnts, int *rdispls, MPI_Datatype *recvtypes,
+                   MPI_Comm comm){
+  return PMPI_Alltoallw( sendbuf, sendcnts, sdispls, sendtypes,
+      recvbuf, recvcnts, rdispls, recvtypes,
+      comm);
+}
+
+int MPI_Exscan(void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype,
+                MPI_Op op, MPI_Comm comm){
+  return PMPI_Exscan(sendbuf, recvbuf, count, datatype, op, comm);
+}
+
+int MPI_Comm_set_name (MPI_Comm comm, char* name){
+  return PMPI_Comm_set_name (comm, name);
+}
+
+int MPI_Comm_dup_with_info(MPI_Comm comm, MPI_Info info, MPI_Comm * newcomm){
+  return PMPI_Comm_dup_with_info(comm,info,newcomm);
+}
+
+int MPI_Comm_split_type(MPI_Comm comm, int split_type, int key, MPI_Info info, MPI_Comm *newcomm){
+  return PMPI_Comm_split_type(comm, split_type, key, info, newcomm);
+}
+
+int MPI_Comm_set_info (MPI_Comm comm, MPI_Info info){
+  return PMPI_Comm_set_info (comm, info);
+}
+
+int MPI_Comm_get_info (MPI_Comm comm, MPI_Info* info){
+  return PMPI_Comm_get_info (comm, info);
+}
+
+int MPI_Info_get(MPI_Info info,char *key,int valuelen, char *value, int *flag){
+  return PMPI_Info_get(info,key,valuelen, value, flag);
+}
+
+int MPI_Comm_create_errhandler( MPI_Comm_errhandler_fn *function, MPI_Errhandler *errhandler){
+  return PMPI_Comm_create_errhandler( function, errhandler);
+}
+
+int MPI_Add_error_class( int *errorclass){
+  return PMPI_Add_error_class( errorclass);
+}
+
+int MPI_Add_error_code(  int errorclass, int *errorcode){
+  return PMPI_Add_error_code(errorclass, errorcode);
+}
+
+int MPI_Add_error_string( int errorcode, char *string){
+  return PMPI_Add_error_string(errorcode, string);
+}
+
+int MPI_Comm_call_errhandler(MPI_Comm comm,int errorcode){
+  return PMPI_Comm_call_errhandler(comm, errorcode);
+}
+
+int MPI_Info_dup(MPI_Info info, MPI_Info *newinfo){
+  return PMPI_Info_dup(info, newinfo);
+}
+
+int MPI_Info_get_valuelen( MPI_Info info, char *key, int *valuelen, int *flag){
+  return PMPI_Info_get_valuelen( info, key, valuelen, flag);
+}
+
+int MPI_Info_delete(MPI_Info info, char *key){
+  return PMPI_Info_delete(info, key);
+}
+
+int MPI_Info_get_nkeys( MPI_Info info, int *nkeys){
+  return PMPI_Info_get_nkeys(  info, nkeys);
+}
+
+int MPI_Info_get_nthkey( MPI_Info info, int n, char *key){
+  return PMPI_Info_get_nthkey( info, n, key);
+}
+
+int MPI_Get_version (int *version,int *subversion){
+  return PMPI_Get_version (version,subversion);
+}
+
+int MPI_Get_library_version (char *version,int *len){
+  return PMPI_Get_library_version (version,len);
+}
+
+int MPI_Request_get_status( MPI_Request request, int *flag, MPI_Status *status){
+  return PMPI_Request_get_status( request, flag, status);
+}
+
+int MPI_Grequest_start( MPI_Grequest_query_function *query_fn, MPI_Grequest_free_function *free_fn, MPI_Grequest_cancel_function *cancel_fn, void *extra_state, MPI_Request *request){
+  return PMPI_Grequest_start( query_fn, free_fn, cancel_fn, extra_state, request);
+}
+
+int MPI_Grequest_complete( MPI_Request request){
+  return PMPI_Grequest_complete( request);
+}
+
+int MPI_Status_set_cancelled(MPI_Status *status,int flag){
+  return PMPI_Status_set_cancelled(status,flag);
+}
+
+int MPI_Status_set_elements( MPI_Status *status, MPI_Datatype datatype, int count){
+  return PMPI_Status_set_elements( status, datatype, count);
+}
+
+int MPI_Comm_connect( char *port_name, MPI_Info info, int root, MPI_Comm comm, MPI_Comm *newcomm){
+  return PMPI_Comm_connect( port_name, info, root, comm, newcomm);
+}
 
+int MPI_Publish_name( char *service_name, MPI_Info info, char *port_name){
+  return PMPI_Publish_name( service_name, info, port_name);
+}
 
-  smpi_bench_end();
+int MPI_Unpublish_name( char *service_name, MPI_Info info, char *port_name){
+  return PMPI_Unpublish_name( service_name, info, port_name);
+}
 
-  rank = smpi_mpi_comm_rank(comm);
-  size = comm->size;
+int MPI_Lookup_name( char *service_name, MPI_Info info, char *port_name){
+  return PMPI_Lookup_name( service_name, info, port_name);
+}
 
-  //printf("-->rank %d. Entering ....\n",rank);
-  //print_buffer_int( sendbuf, count, "sendbuf");
+int MPI_Comm_join( int fd, MPI_Comm *intercomm){
+  return PMPI_Comm_join( fd, intercomm);
+}
 
-  if (rank != root) { // if i am not ROOT, simply send my buffer to root
-	    retval = smpi_create_request(sendbuf, count, datatype, rank, root, tag , comm, &request);
-	    smpi_mpi_isend(request);
-	    smpi_mpi_wait(request, MPI_STATUS_IGNORE);
-	    xbt_mallocator_release(smpi_global->request_mallocator, request);
+int MPI_Open_port( MPI_Info info, char *port_name){
+  return PMPI_Open_port( info,port_name);
+}
 
-  } else {
-	    // i am the ROOT: wait for all buffers by creating one request by sender
-	    tabrequest = xbt_malloc((size-1)*sizeof(smpi_mpi_request_t));
+int MPI_Close_port( char *port_name){
+  return PMPI_Close_port( port_name);
+}
 
-          void **tmpbufs = xbt_malloc((size-1)*sizeof(void *));
-	    for (i=0; i<size-1; i++) {
-		  // we need 1 buffer per request to store intermediate receptions
-	        tmpbufs[i] = xbt_malloc(count*datatype->size); 
-	    }
-	    memcpy(recvbuf,sendbuf,count*datatype->size*sizeof(char)); // initiliaze recv buf with my own snd buf 
+int MPI_Comm_accept( char *port_name, MPI_Info info, int root, MPI_Comm comm, MPI_Comm *newcomm){
+ return PMPI_Comm_accept( port_name, info, root, comm, newcomm);
+}
+
+int MPI_Comm_spawn( char *command, char **argv, int maxprocs, MPI_Info info, int root,
+                    MPI_Comm comm, MPI_Comm *intercomm, int* array_of_errcodes){
+  return PMPI_Comm_spawn( command, argv, maxprocs, info, root, comm, intercomm, array_of_errcodes);
+}
+
+int MPI_Comm_spawn_multiple( int count, char **array_of_commands, char*** array_of_argv,
+                             int* array_of_maxprocs, MPI_Info* array_of_info, int root,
+                             MPI_Comm comm, MPI_Comm *intercomm, int* array_of_errcodes){
+  return PMPI_Comm_spawn_multiple( count, array_of_commands, array_of_argv, array_of_maxprocs,
+                                  array_of_info, root, comm, intercomm, array_of_errcodes);
+}
+
+int MPI_Comm_get_parent( MPI_Comm *parent){
+  return PMPI_Comm_get_parent( parent);
+}
 
-	    // i can not use: 'request->forward = size-1;' (which would progagate size-1 receive reqs)
-	    // since we should op values as soon as one receiving request matches.
-	    for (i=0; i<comm->size-1; i++) {
-			// reminder: for smpi_create_request() the src is always the process sending.
-			retval = smpi_create_request(tmpbufs[i], count, datatype, 
-					    MPI_ANY_SOURCE, root,
-					    tag, comm, &(tabrequest[i]));
-			if (NULL != tabrequest[i] && MPI_SUCCESS == retval) {
-				  if (MPI_SUCCESS == retval) {
-					    smpi_mpi_irecv(tabrequest[i]);
-				  }
-			}
-	    }
-	    // now, wait for completion of all irecv's.
-	    for (i=0; i<comm->size-1; i++) {
-			int index = MPI_UNDEFINED;
-			smpi_mpi_waitany(comm->size-1, tabrequest, &index, MPI_STATUS_IGNORE);
-
-			//print_buffer_int( recvbuf, count, "rcvbuf");
-			//printf("MPI_Waitany() unblocked: root received (completes req[index=%d]): ",index);
-			//print_buffer_int( tmpbufs[index], count, "tmpbufs[index]");
-
-			// arg 2 is modified 
-			op->func (tmpbufs[index],recvbuf,&count,&datatype);
-
-			// print_buffer_int( recvbuf, count, "recvbuf after func");
-			//xbt_mallocator_release(smpi_global->request_mallocator, tabrequest[i]);
-			//xbt_free( tmpbufs[index]);
-	    }
-	    xbt_free(tabrequest);
-	    xbt_free(tmpbufs);
-  }
-
-  smpi_bench_begin();
-
-  return retval;
-}
-
-// used by comm_split to sort ranks based on key values
-int smpi_compare_rankkeys(const void *a, const void *b);
-int smpi_compare_rankkeys(const void *a, const void *b)
-{
-	  int *x = (int *) a;
-	  int *y = (int *) b;
-
-  if (x[1] < y[1])
-    return -1;
-
-  if (x[1] == y[1]) {
-    if (x[0] < y[0])
-      return -1;
-    if (x[0] == y[0])
-      return 0;
-    return 1;
-  }
-
-  return 1;
-}
-
-int SMPI_MPI_Comm_split(MPI_Comm comm, int color, int key,
-                        MPI_Comm * comm_out)
-{
-  int retval = MPI_SUCCESS;
-
-  int index, rank;
-  smpi_mpi_request_t request;
-  int colorkey[2];
-  smpi_mpi_status_t status;
-
-  smpi_bench_end();
-
-  // FIXME: need to test parameters
-
-  index = smpi_process_index();
-  rank = comm->index_to_rank_map[index];
-
-  // default output
-  comm_out = NULL;
-
-  // root node does most of the real work
-  if (0 == rank) {
-    int colormap[comm->size];
-    int keymap[comm->size];
-    int rankkeymap[comm->size * 2];
-    int i, j;
-    smpi_mpi_communicator_t tempcomm = NULL;
-    int count;
-    int indextmp;
-
-    colormap[0] = color;
-    keymap[0] = key;
-
-    // FIXME: use scatter/gather or similar instead of individual comms
-    for (i = 1; i < comm->size; i++) {
-      retval = smpi_create_request(colorkey, 2, MPI_INT, MPI_ANY_SOURCE,
-                                   rank, MPI_ANY_TAG, comm, &request);
-      smpi_mpi_irecv(request);
-      smpi_mpi_wait(request, &status);
-      colormap[status.MPI_SOURCE] = colorkey[0];
-      keymap[status.MPI_SOURCE] = colorkey[1];
-      xbt_mallocator_release(smpi_global->request_mallocator, request);
-    }
-
-    for (i = 0; i < comm->size; i++) {
-      if (MPI_UNDEFINED == colormap[i]) {
-        continue;
-      }
-      // make a list of nodes with current color and sort by keys
-      count = 0;
-      for (j = i; j < comm->size; j++) {
-        if (colormap[i] == colormap[j]) {
-          colormap[j] = MPI_UNDEFINED;
-          rankkeymap[count * 2] = j;
-          rankkeymap[count * 2 + 1] = keymap[j];
-          count++;
-        }
-      }
-      qsort(rankkeymap, count, sizeof(int) * 2, &smpi_compare_rankkeys);
-
-      // new communicator
-      tempcomm = xbt_new(s_smpi_mpi_communicator_t, 1);
-      tempcomm->barrier_count = 0;
-      tempcomm->size = count;
-      tempcomm->barrier_mutex = SIMIX_mutex_init();
-      tempcomm->barrier_cond = SIMIX_cond_init();
-      tempcomm->rank_to_index_map = xbt_new(int, count);
-      tempcomm->index_to_rank_map = xbt_new(int, smpi_global->process_count);
-      for (j = 0; j < smpi_global->process_count; j++) {
-        tempcomm->index_to_rank_map[j] = -1;
-      }
-      for (j = 0; j < count; j++) {
-        indextmp = comm->rank_to_index_map[rankkeymap[j * 2]];
-        tempcomm->rank_to_index_map[j] = indextmp;
-        tempcomm->index_to_rank_map[indextmp] = j;
-      }
-      for (j = 0; j < count; j++) {
-        if (rankkeymap[j * 2]) {
-          retval = smpi_create_request(&j, 1, MPI_INT, 0,
-                                       rankkeymap[j * 2], 0, comm, &request);
-          request->data = tempcomm;
-          smpi_mpi_isend(request);
-          smpi_mpi_wait(request, &status);
-          xbt_mallocator_release(smpi_global->request_mallocator, request);
-        } else {
-          *comm_out = tempcomm;
-        }
-      }
-    }
-  } else {
-    colorkey[0] = color;
-    colorkey[1] = key;
-    retval = smpi_create_request(colorkey, 2, MPI_INT, rank, 0, 0, comm,
-                                 &request);
-    smpi_mpi_isend(request);
-    smpi_mpi_wait(request, &status);
-    xbt_mallocator_release(smpi_global->request_mallocator, request);
-    if (MPI_UNDEFINED != color) {
-      retval = smpi_create_request(colorkey, 1, MPI_INT, 0, rank, 0, comm,
-                                   &request);
-      smpi_mpi_irecv(request);
-      smpi_mpi_wait(request, &status);
-      *comm_out = request->data;
-    }
-  }
-
-  smpi_bench_begin();
-
-  return retval;
-}
-
-double SMPI_MPI_Wtime( void )
-{
-	  return ( SIMIX_get_clock() );
+int MPI_Type_create_hvector(int count, int blocklen, MPI_Aint stride, MPI_Datatype old_type, MPI_Datatype* new_type) {
+  return PMPI_Type_create_hvector(count, blocklen, stride, old_type, new_type);
 }