handle nested datatypes in smpi (structs of vectors for example), which previously...

[simgrid.git] / src / smpi / smpi_mpi_dt.c

diff --git a/src/smpi/smpi_mpi_dt.c b/src/smpi/smpi_mpi_dt.c
index 5e22c33..35707fa 100644 (file)
--- a/src/smpi/smpi_mpi_dt.c
+++ b/src/smpi/smpi_mpi_dt.c
@@ -44,6 +44,14 @@ typedef struct {
   float value;
   int index;
 } float_int;
+typedef struct {
+  float value;
+  float index;
+} float_float;
+typedef struct {
+  double value;
+  double index;
+} double_double;
 typedef struct {
   long value;
   int index;
@@ -101,6 +109,9 @@ CREATE_MPI_DATATYPE(MPI_LONG_INT, long_int);
 CREATE_MPI_DATATYPE(MPI_DOUBLE_INT, double_int);
 CREATE_MPI_DATATYPE(MPI_SHORT_INT, short_int);
 CREATE_MPI_DATATYPE(MPI_2INT, int_int);
+CREATE_MPI_DATATYPE(MPI_2FLOAT, float_float);
+CREATE_MPI_DATATYPE(MPI_2DOUBLE, double_double);
+
 CREATE_MPI_DATATYPE(MPI_LONG_DOUBLE_INT, long_double_int);
 
 CREATE_MPI_DATATYPE_NULL(MPI_UB);
@@ -132,16 +143,23 @@ int smpi_datatype_extent(MPI_Datatype datatype, MPI_Aint * lb,
 {
   int retval;
 
-  if ((datatype->flags & DT_FLAG_COMMITED) != DT_FLAG_COMMITED) {
-    retval = MPI_ERR_TYPE;
-  } else {
+//  if ((datatype->flags & DT_FLAG_COMMITED) != DT_FLAG_COMMITED) {
+//    retval = MPI_ERR_TYPE;
+//  } else {
     *lb = datatype->lb;
     *extent = datatype->ub - datatype->lb;
     retval = MPI_SUCCESS;
-  }
+//  }
   return retval;
 }
 
+MPI_Aint smpi_datatype_get_extent(MPI_Datatype datatype){
+  MPI_Aint lb;
+  MPI_Aint extent;
+  smpi_datatype_extent(datatype, &lb, &extent);
+  return extent;
+}
+
 int smpi_datatype_copy(void *sendbuf, int sendcount, MPI_Datatype sendtype,
                        void *recvbuf, int recvcount, MPI_Datatype recvtype)
 {
@@ -207,11 +225,17 @@ void serialize_vector( const void *noncontiguous_vector,
   char* noncontiguous_vector_char = (char*)noncontiguous_vector;
 
   for (i = 0; i < type_c->block_count * count; i++) {
-    memcpy(contiguous_vector_char,
-           noncontiguous_vector_char, type_c->block_length * type_c->size_oldtype);
+      if (type_c->old_type->has_subtype == 0)
+        memcpy(contiguous_vector_char,
+               noncontiguous_vector_char, type_c->block_length * type_c->size_oldtype);
+      else
+        ((s_smpi_subtype_t*)type_c->old_type->substruct)->serialize( noncontiguous_vector_char,
+                                                                     contiguous_vector_char,
+                                                                     type_c->block_length,
+                                                                     type_c->old_type->substruct);
 
     contiguous_vector_char += type_c->block_length*type_c->size_oldtype;
-    noncontiguous_vector_char += type_c->block_stride*type_c->size_oldtype;
+    noncontiguous_vector_char += type_c->block_stride*smpi_datatype_get_extent(type_c->old_type);
   }
 }
 
@@ -236,11 +260,16 @@ void unserialize_vector( const void *contiguous_vector,
   char* noncontiguous_vector_char = (char*)noncontiguous_vector;
 
   for (i = 0; i < type_c->block_count * count; i++) {
-    memcpy(noncontiguous_vector_char,
-           contiguous_vector_char, type_c->block_length * type_c->size_oldtype);
-
+    if (type_c->old_type->has_subtype == 0)
+      memcpy(noncontiguous_vector_char,
+             contiguous_vector_char, type_c->block_length * type_c->size_oldtype);
+    else
+      ((s_smpi_subtype_t*)type_c->old_type->substruct)->unserialize( contiguous_vector_char,
+                                                                     noncontiguous_vector_char,
+                                                                     type_c->block_length,
+                                                                     type_c->old_type->substruct);
     contiguous_vector_char += type_c->block_length*type_c->size_oldtype;
-    noncontiguous_vector_char += type_c->block_stride*type_c->size_oldtype;
+    noncontiguous_vector_char += type_c->block_stride*smpi_datatype_get_extent(type_c->old_type);
   }
 }
 
@@ -289,14 +318,10 @@ void smpi_datatype_free(MPI_Datatype* type){
 int smpi_datatype_contiguous(int count, MPI_Datatype old_type, MPI_Datatype* new_type)
 {
   int retval;
-  if ((old_type->flags & DT_FLAG_COMMITED) != DT_FLAG_COMMITED) {
-    retval = MPI_ERR_TYPE;
-  } else {
-    smpi_datatype_create(new_type, count *
-                         smpi_datatype_size(old_type),count *
-                         smpi_datatype_size(old_type),0,NULL, DT_FLAG_CONTIGUOUS);
-    retval=MPI_SUCCESS;
-  }
+  smpi_datatype_create(new_type, count *
+                       smpi_datatype_size(old_type),count *
+                       smpi_datatype_size(old_type),0,NULL, DT_FLAG_CONTIGUOUS);
+  retval=MPI_SUCCESS;
   return retval;
 }
 
@@ -304,36 +329,29 @@ int smpi_datatype_vector(int count, int blocklen, int stride, MPI_Datatype old_t
 {
   int retval;
   if (blocklen<=0) return MPI_ERR_ARG;
-  if ((old_type->flags & DT_FLAG_COMMITED) != DT_FLAG_COMMITED) {
-    retval = MPI_ERR_TYPE;
-  } else {
-    if(stride != blocklen){
-if (old_type->has_subtype == 1)
-      XBT_WARN("vector contains a complex type - not yet handled");
-      s_smpi_mpi_vector_t* subtype = smpi_datatype_vector_create( stride,
-                                                                  blocklen,
-                                                                  count,
-                                                                  old_type,
-                                                                  smpi_datatype_size(old_type));
-
-      smpi_datatype_create(new_type, count * (blocklen) *
-                           smpi_datatype_size(old_type),
-                          ((count -1) * stride + blocklen) * smpi_datatype_size(old_type),
-                           1,
-                           subtype,
-                           DT_FLAG_VECTOR);
-      retval=MPI_SUCCESS;
-    }else{
-      /* in this situation the data are contignous thus it's not
-       * required to serialize and unserialize it*/
-      smpi_datatype_create(new_type, count * blocklen *
-                           smpi_datatype_size(old_type), ((count -1) * stride + blocklen)*
-                           smpi_datatype_size(old_type),
-                           0,
-                           NULL,
-                           DT_FLAG_VECTOR|DT_FLAG_CONTIGUOUS);
-      retval=MPI_SUCCESS;
-    }
+  if(old_type->has_subtype || stride != blocklen){
+    s_smpi_mpi_vector_t* subtype = smpi_datatype_vector_create( stride,
+                                                                blocklen,
+                                                                count,
+                                                                old_type,
+                                                                smpi_datatype_size(old_type));
+    smpi_datatype_create(new_type,
+                         count * (blocklen) * smpi_datatype_size(old_type),
+                         ((count -1) * stride + blocklen) * smpi_datatype_get_extent(old_type),
+                         1,
+                         subtype,
+                         DT_FLAG_VECTOR);
+    retval=MPI_SUCCESS;
+  }else{
+    /* in this situation the data are contignous thus it's not
+     * required to serialize and unserialize it*/
+    smpi_datatype_create(new_type, count * blocklen *
+                         smpi_datatype_size(old_type), ((count -1) * stride + blocklen)*
+                         smpi_datatype_size(old_type),
+                         0,
+                         NULL,
+                         DT_FLAG_VECTOR|DT_FLAG_CONTIGUOUS);
+    retval=MPI_SUCCESS;
   }
   return retval;
 }
@@ -366,8 +384,14 @@ void serialize_hvector( const void *noncontiguous_hvector,
   char* noncontiguous_vector_char = (char*)noncontiguous_hvector;
 
   for (i = 0; i < type_c->block_count * count; i++) {
-    memcpy(contiguous_vector_char,
+    if (type_c->old_type->has_subtype == 0)
+      memcpy(contiguous_vector_char,
            noncontiguous_vector_char, type_c->block_length * type_c->size_oldtype);
+    else
+      ((s_smpi_subtype_t*)type_c->old_type->substruct)->serialize( noncontiguous_vector_char,
+                                                                   contiguous_vector_char,
+                                                                   type_c->block_length,
+                                                                   type_c->old_type->substruct);
 
     contiguous_vector_char += type_c->block_length*type_c->size_oldtype;
     noncontiguous_vector_char += type_c->block_stride;
@@ -394,9 +418,14 @@ void unserialize_hvector( const void *contiguous_vector,
   char* noncontiguous_vector_char = (char*)noncontiguous_vector;
 
   for (i = 0; i < type_c->block_count * count; i++) {
-    memcpy(noncontiguous_vector_char,
+    if (type_c->old_type->has_subtype == 0)
+      memcpy(noncontiguous_vector_char,
            contiguous_vector_char, type_c->block_length * type_c->size_oldtype);
-
+    else
+      ((s_smpi_subtype_t*)type_c->old_type->substruct)->unserialize( contiguous_vector_char,
+                                                                     noncontiguous_vector_char,
+                                                                     type_c->block_length,
+                                                                     type_c->old_type->substruct);
     contiguous_vector_char += type_c->block_length*type_c->size_oldtype;
     noncontiguous_vector_char += type_c->block_stride;
   }
@@ -433,34 +462,28 @@ int smpi_datatype_hvector(int count, int blocklen, MPI_Aint stride, MPI_Datatype
 {
   int retval;
   if (blocklen<=0) return MPI_ERR_ARG;
-  if ((old_type->flags & DT_FLAG_COMMITED) != DT_FLAG_COMMITED) {
-    retval = MPI_ERR_TYPE;
-  } else {
-if (old_type->has_subtype == 1)
-      XBT_WARN("hvector contains a complex type - not yet handled");
-    if(stride != blocklen*smpi_datatype_size(old_type)){
-      s_smpi_mpi_hvector_t* subtype = smpi_datatype_hvector_create( stride,
-                                                                    blocklen,
-                                                                    count,
-                                                                    old_type,
-                                                                    smpi_datatype_size(old_type));
-
-      smpi_datatype_create(new_type, count * blocklen *
-                           smpi_datatype_size(old_type), (count-1) * stride + blocklen *
-                           smpi_datatype_size(old_type),
-                           1,
-                           subtype,
-                           DT_FLAG_VECTOR);
-      retval=MPI_SUCCESS;
-    }else{
-      smpi_datatype_create(new_type, count * blocklen *
-                                               smpi_datatype_size(old_type),count * blocklen *
-                                               smpi_datatype_size(old_type),
-                                              0,
-                                              NULL,
-                                              DT_FLAG_VECTOR|DT_FLAG_CONTIGUOUS);
-      retval=MPI_SUCCESS;
-    }
+  if(old_type->has_subtype || stride != blocklen*smpi_datatype_get_extent(old_type)){
+    s_smpi_mpi_hvector_t* subtype = smpi_datatype_hvector_create( stride,
+                                                                  blocklen,
+                                                                  count,
+                                                                  old_type,
+                                                                  smpi_datatype_size(old_type));
+
+    smpi_datatype_create(new_type, count * blocklen *
+                         smpi_datatype_size(old_type), (count-1) * stride + blocklen *
+                         smpi_datatype_size(old_type),
+                         1,
+                         subtype,
+                         DT_FLAG_VECTOR);
+    retval=MPI_SUCCESS;
+  }else{
+    smpi_datatype_create(new_type, count * blocklen *
+                                             smpi_datatype_size(old_type),count * blocklen *
+                                             smpi_datatype_size(old_type),
+                                            0,
+                                            NULL,
+                                            DT_FLAG_VECTOR|DT_FLAG_CONTIGUOUS);
+    retval=MPI_SUCCESS;
   }
   return retval;
 }
@@ -490,12 +513,19 @@ void serialize_indexed( const void *noncontiguous_indexed,
   char* noncontiguous_indexed_char = (char*)noncontiguous_indexed;
   for(j=0; j<count;j++){
     for (i = 0; i < type_c->block_count; i++) {
-      memcpy(contiguous_indexed_char,
-             noncontiguous_indexed_char, type_c->block_lengths[i] * type_c->size_oldtype);
+      if (type_c->old_type->has_subtype == 0)
+        memcpy(contiguous_indexed_char,
+                     noncontiguous_indexed_char, type_c->block_lengths[i] * type_c->size_oldtype);
+      else
+        ((s_smpi_subtype_t*)type_c->old_type->substruct)->serialize( noncontiguous_indexed_char,
+                                                                     contiguous_indexed_char,
+                                                                     type_c->block_lengths[i],
+                                                                     type_c->old_type->substruct);
+
 
       contiguous_indexed_char += type_c->block_lengths[i]*type_c->size_oldtype;
-      if (i<type_c->block_count-1)noncontiguous_indexed_char = (char*)noncontiguous_indexed + type_c->block_indices[i+1]*type_c->size_oldtype;
-      else noncontiguous_indexed_char += type_c->block_lengths[i]*type_c->size_oldtype;
+      if (i<type_c->block_count-1)noncontiguous_indexed_char = (char*)noncontiguous_indexed + type_c->block_indices[i+1]*smpi_datatype_get_extent(type_c->old_type);
+      else noncontiguous_indexed_char += type_c->block_lengths[i]*smpi_datatype_get_extent(type_c->old_type);
     }
     noncontiguous_indexed=(void*)noncontiguous_indexed_char;
   }
@@ -521,12 +551,19 @@ void unserialize_indexed( const void *contiguous_indexed,
   char* noncontiguous_indexed_char = (char*)noncontiguous_indexed;
   for(j=0; j<count;j++){
     for (i = 0; i < type_c->block_count; i++) {
-      memcpy(noncontiguous_indexed_char,
+      if (type_c->old_type->has_subtype == 0)
+        memcpy(noncontiguous_indexed_char,
              contiguous_indexed_char, type_c->block_lengths[i] * type_c->size_oldtype);
+      else
+        ((s_smpi_subtype_t*)type_c->old_type->substruct)->unserialize( contiguous_indexed_char,
+                                                                       noncontiguous_indexed_char,
+                                                                       type_c->block_lengths[i],
+                                                                       type_c->old_type->substruct);
 
       contiguous_indexed_char += type_c->block_lengths[i]*type_c->size_oldtype;
-      if (i<type_c->block_count-1)noncontiguous_indexed_char = (char*)noncontiguous_indexed + type_c->block_indices[i+1]*type_c->size_oldtype;
-      else noncontiguous_indexed_char += type_c->block_lengths[i]*type_c->size_oldtype;
+      if (i<type_c->block_count-1)
+        noncontiguous_indexed_char = (char*)noncontiguous_indexed + type_c->block_indices[i+1]*smpi_datatype_get_extent(type_c->old_type);
+      else noncontiguous_indexed_char += type_c->block_lengths[i]*smpi_datatype_get_extent(type_c->old_type);
     }
     noncontiguous_indexed=(void*)noncontiguous_indexed_char;
   }
@@ -579,29 +616,23 @@ int smpi_datatype_indexed(int count, int* blocklens, int* indices, MPI_Datatype
 
     if ( (i< count -1) && (indices[i]+blocklens[i] != indices[i+1]) )contiguous=0;
   }
-  if ((old_type->flags & DT_FLAG_COMMITED) != DT_FLAG_COMMITED) {
-    retval = MPI_ERR_TYPE;
-  } else {
+  if (old_type->has_subtype == 1)
+    contiguous=0;
 
-    if (old_type->has_subtype == 1)
-      XBT_WARN("indexed contains a complex type - not yet handled");
-
-    if(!contiguous){
-      s_smpi_mpi_indexed_t* subtype = smpi_datatype_indexed_create( blocklens,
-                                                                    indices,
-                                                                    count,
-                                                                    old_type,
-                                                                    smpi_datatype_size(old_type));
-
-      smpi_datatype_create(new_type,  size *
-                           smpi_datatype_size(old_type),(indices[count-1]+blocklens[count-1])*smpi_datatype_size(old_type),1, subtype, DT_FLAG_DATA);
-}else{
-      smpi_datatype_create(new_type,  size *
-                           smpi_datatype_size(old_type),size *
-                           smpi_datatype_size(old_type),0, NULL, DT_FLAG_DATA|DT_FLAG_CONTIGUOUS);
-}
-    retval=MPI_SUCCESS;
+  if(!contiguous){
+    s_smpi_mpi_indexed_t* subtype = smpi_datatype_indexed_create( blocklens,
+                                                                  indices,
+                                                                  count,
+                                                                  old_type,
+                                                                  smpi_datatype_size(old_type));
+     smpi_datatype_create(new_type,  size *
+                         smpi_datatype_size(old_type),(indices[count-1]+blocklens[count-1])*smpi_datatype_size(old_type),1, subtype, DT_FLAG_DATA);
+  }else{
+    smpi_datatype_create(new_type,  size *
+                         smpi_datatype_size(old_type),size *
+                         smpi_datatype_size(old_type),0, NULL, DT_FLAG_DATA|DT_FLAG_CONTIGUOUS);
   }
+  retval=MPI_SUCCESS;
   return retval;
 }
 
@@ -630,12 +661,18 @@ void serialize_hindexed( const void *noncontiguous_hindexed,
   char* noncontiguous_hindexed_char = (char*)noncontiguous_hindexed;
   for(j=0; j<count;j++){
     for (i = 0; i < type_c->block_count; i++) {
-      memcpy(contiguous_hindexed_char,
-             noncontiguous_hindexed_char, type_c->block_lengths[i] * type_c->size_oldtype);
+      if (type_c->old_type->has_subtype == 0)
+        memcpy(contiguous_hindexed_char,
+                     noncontiguous_hindexed_char, type_c->block_lengths[i] * type_c->size_oldtype);
+      else
+        ((s_smpi_subtype_t*)type_c->old_type->substruct)->serialize( noncontiguous_hindexed_char,
+                                                                     contiguous_hindexed_char,
+                                                                     type_c->block_lengths[i],
+                                                                     type_c->old_type->substruct);
 
       contiguous_hindexed_char += type_c->block_lengths[i]*type_c->size_oldtype;
       if (i<type_c->block_count-1)noncontiguous_hindexed_char = (char*)noncontiguous_hindexed + type_c->block_indices[i+1];
-      else noncontiguous_hindexed_char += type_c->block_lengths[i]*type_c->size_oldtype;
+      else noncontiguous_hindexed_char += type_c->block_lengths[i]*smpi_datatype_get_extent(type_c->old_type);
     }
     noncontiguous_hindexed=(void*)noncontiguous_hindexed_char;
   }
@@ -661,12 +698,18 @@ void unserialize_hindexed( const void *contiguous_hindexed,
   char* noncontiguous_hindexed_char = (char*)noncontiguous_hindexed;
   for(j=0; j<count;j++){
     for (i = 0; i < type_c->block_count; i++) {
-      memcpy(noncontiguous_hindexed_char,
-             contiguous_hindexed_char, type_c->block_lengths[i] * type_c->size_oldtype);
+      if (type_c->old_type->has_subtype == 0)
+        memcpy(noncontiguous_hindexed_char,
+               contiguous_hindexed_char, type_c->block_lengths[i] * type_c->size_oldtype);
+      else
+        ((s_smpi_subtype_t*)type_c->old_type->substruct)->unserialize( contiguous_hindexed_char,
+                                                                       noncontiguous_hindexed_char,
+                                                                       type_c->block_lengths[i],
+                                                                       type_c->old_type->substruct);
 
       contiguous_hindexed_char += type_c->block_lengths[i]*type_c->size_oldtype;
       if (i<type_c->block_count-1)noncontiguous_hindexed_char = (char*)noncontiguous_hindexed + type_c->block_indices[i+1];
-      else noncontiguous_hindexed_char += type_c->block_lengths[i]*type_c->size_oldtype;
+      else noncontiguous_hindexed_char += type_c->block_lengths[i]*smpi_datatype_get_extent(type_c->old_type);
     }
     noncontiguous_hindexed=(void*)noncontiguous_hindexed_char;
   }
@@ -716,33 +759,25 @@ int smpi_datatype_hindexed(int count, int* blocklens, MPI_Aint* indices, MPI_Dat
     if   (blocklens[i]<=0)
       return MPI_ERR_ARG;
     size += blocklens[i];
-
-
     if ( (i< count -1) && (indices[i]+blocklens[i]*smpi_datatype_size(old_type) != indices[i+1]) )contiguous=0;
   }
-  if ((old_type->flags & DT_FLAG_COMMITED) != DT_FLAG_COMMITED) {
-    retval = MPI_ERR_TYPE;
-  } else {
-    if (old_type->has_subtype == 1)
-      XBT_WARN("hindexed contains a complex type - not yet handled");
-
-    if(!contiguous){
-      s_smpi_mpi_hindexed_t* subtype = smpi_datatype_hindexed_create( blocklens,
-                                                                    indices,
-                                                                    count,
-                                                                    old_type,
-                                                                    smpi_datatype_size(old_type));
-
-      smpi_datatype_create(new_type,  size *
-                           smpi_datatype_size(old_type),indices[count-1]+blocklens[count-1]*smpi_datatype_size(old_type)
-                           ,1, subtype, DT_FLAG_DATA);
-    }else{
-      smpi_datatype_create(new_type,  size *
-                           smpi_datatype_size(old_type),size *
-                           smpi_datatype_size(old_type),0, NULL, DT_FLAG_DATA|DT_FLAG_CONTIGUOUS);
-    }
-    retval=MPI_SUCCESS;
+  if (old_type->has_subtype == 1)
+    contiguous=0;
+  if(!contiguous){
+    s_smpi_mpi_hindexed_t* subtype = smpi_datatype_hindexed_create( blocklens,
+                                                                  indices,
+                                                                  count,
+                                                                  old_type,
+                                                                  smpi_datatype_size(old_type));
+    smpi_datatype_create(new_type,  size *
+                         smpi_datatype_size(old_type),indices[count-1]+blocklens[count-1]*smpi_datatype_size(old_type)
+                         ,1, subtype, DT_FLAG_DATA);
+  }else{
+    smpi_datatype_create(new_type,  size *
+                         smpi_datatype_size(old_type),size *
+                         smpi_datatype_size(old_type),0, NULL, DT_FLAG_DATA|DT_FLAG_CONTIGUOUS);
   }
+  retval=MPI_SUCCESS;
   return retval;
 }
 
@@ -771,11 +806,19 @@ void serialize_struct( const void *noncontiguous_struct,
   char* noncontiguous_struct_char = (char*)noncontiguous_struct;
   for(j=0; j<count;j++){
     for (i = 0; i < type_c->block_count; i++) {
-      memcpy(contiguous_struct_char,
+      if (type_c->old_types[i]->has_subtype == 0)
+        memcpy(contiguous_struct_char,
              noncontiguous_struct_char, type_c->block_lengths[i] * smpi_datatype_size(type_c->old_types[i]));
+      else
+        ((s_smpi_subtype_t*)type_c->old_types[i]->substruct)->serialize( noncontiguous_struct_char,
+                                                                         contiguous_struct_char,
+                                                                         type_c->block_lengths[i],
+                                                                         type_c->old_types[i]->substruct);
+
+
       contiguous_struct_char += type_c->block_lengths[i]*smpi_datatype_size(type_c->old_types[i]);
       if (i<type_c->block_count-1)noncontiguous_struct_char = (char*)noncontiguous_struct + type_c->block_indices[i+1];
-      else noncontiguous_struct_char += type_c->block_lengths[i]*smpi_datatype_size(type_c->old_types[i]);//let's hope this is MPI_UB ?
+      else noncontiguous_struct_char += type_c->block_lengths[i]*smpi_datatype_get_extent(type_c->old_types[i]);//let's hope this is MPI_UB ?
     }
     noncontiguous_struct=(void*)noncontiguous_struct_char;
   }
@@ -801,11 +844,18 @@ void unserialize_struct( const void *contiguous_struct,
   char* noncontiguous_struct_char = (char*)noncontiguous_struct;
   for(j=0; j<count;j++){
     for (i = 0; i < type_c->block_count; i++) {
-      memcpy(noncontiguous_struct_char,
+      if (type_c->old_types[i]->has_subtype == 0)
+        memcpy(noncontiguous_struct_char,
              contiguous_struct_char, type_c->block_lengths[i] * smpi_datatype_size(type_c->old_types[i]));
+      else
+        ((s_smpi_subtype_t*)type_c->old_types[i]->substruct)->unserialize( contiguous_struct_char,
+                                                                           noncontiguous_struct_char,
+                                                                           type_c->block_lengths[i],
+                                                                           type_c->old_types[i]->substruct);
+
       contiguous_struct_char += type_c->block_lengths[i]*smpi_datatype_size(type_c->old_types[i]);
       if (i<type_c->block_count-1)noncontiguous_struct_char =  (char*)noncontiguous_struct + type_c->block_indices[i+1];
-      else noncontiguous_struct_char += type_c->block_lengths[i]*smpi_datatype_size(type_c->old_types[i]);
+      else noncontiguous_struct_char += type_c->block_lengths[i]*smpi_datatype_get_extent(type_c->old_types[i]);
     }
     noncontiguous_struct=(void*)noncontiguous_struct_char;
     
@@ -858,10 +908,8 @@ int smpi_datatype_struct(int count, int* blocklens, MPI_Aint* indices, MPI_Datat
   for(i=0; i< count; i++){
     if (blocklens[i]<=0)
       return MPI_ERR_ARG;
-    if ((old_types[i]->flags & DT_FLAG_COMMITED) != DT_FLAG_COMMITED)
-      return MPI_ERR_TYPE;
     if (old_types[i]->has_subtype == 1)
-      XBT_WARN("Struct contains a complex type - not yet handled");
+      contiguous=0;
     size += blocklens[i]*smpi_datatype_size(old_types[i]);
 
     if ( (i< count -1) && (indices[i]+blocklens[i]*smpi_datatype_size(old_types[i]) != indices[i+1]) )contiguous=0;
@@ -1177,6 +1225,10 @@ static void minloc_func(void *a, void *b, int *length,
     APPLY_FUNC(a, b, length, int_int, MINLOC_OP);
   } else if (*datatype == MPI_LONG_DOUBLE_INT) {
     APPLY_FUNC(a, b, length, long_double_int, MINLOC_OP);
+  } else if (*datatype == MPI_2FLOAT) {
+    APPLY_FUNC(a, b, length, float_float, MINLOC_OP);
+  } else if (*datatype == MPI_2DOUBLE) {
+    APPLY_FUNC(a, b, length, double_double, MINLOC_OP);
   }
 }
 
@@ -1195,6 +1247,10 @@ static void maxloc_func(void *a, void *b, int *length,
     APPLY_FUNC(a, b, length, int_int, MAXLOC_OP);
   } else if (*datatype == MPI_LONG_DOUBLE_INT) {
     APPLY_FUNC(a, b, length, long_double_int, MAXLOC_OP);
+  } else if (*datatype == MPI_2FLOAT) {
+    APPLY_FUNC(a, b, length, float_float, MAXLOC_OP);
+  } else if (*datatype == MPI_2DOUBLE) {
+    APPLY_FUNC(a, b, length, double_double, MAXLOC_OP);
   }
 }