Logo AND Algorithmique Numérique Distribuée

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Merge branch 'master' of https://framagit.org/simgrid/simgrid
[simgrid.git] / src / smpi / mpi / smpi_datatype_derived.cpp
index 3be87a2..9b1140d 100644 (file)
@@ -1,5 +1,5 @@
 /* smpi_datatype.cpp -- MPI primitives to handle datatypes                  */
-/* Copyright (c) 2009-2017. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2009-2019. 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. */
@@ -8,86 +8,38 @@
 #include "smpi_op.hpp"
 #include <xbt/log.h>
 
-XBT_LOG_EXTERNAL_CATEGORY(smpi_datatype);
+#include <cstring>
 
 namespace simgrid{
 namespace smpi{
 
-
-Type_Contiguous::Type_Contiguous(int size, MPI_Aint lb, MPI_Aint ub, int flags, int block_count, MPI_Datatype old_type): Datatype(size, lb, ub, flags), block_count_(block_count), old_type_(old_type){
+Type_Contiguous::Type_Contiguous(int size, MPI_Aint lb, MPI_Aint ub, int flags, int block_count, MPI_Datatype old_type)
+    : Datatype(size, lb, ub, flags), block_count_(block_count), old_type_(old_type)
+{
   old_type_->ref();
 }
 
-Type_Contiguous::~Type_Contiguous(){
+Type_Contiguous::~Type_Contiguous()
+{
   Datatype::unref(old_type_);
 }
 
-
-void Type_Contiguous::serialize( void* noncontiguous_buf, void *contiguous_buf,
-                            int count){
+void Type_Contiguous::serialize(const void* noncontiguous_buf, void* contiguous_buf, int count)
+{
   char* contiguous_buf_char = static_cast<char*>(contiguous_buf);
-  char* noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf)+lb();
+  const char* noncontiguous_buf_char = static_cast<const char*>(noncontiguous_buf)+lb();
   memcpy(contiguous_buf_char, noncontiguous_buf_char, count * block_count_ * old_type_->size());
 }
-void Type_Contiguous::unserialize( void* contiguous_buf, void *noncontiguous_buf,
-                              int count, MPI_Op op){
-  char* contiguous_buf_char = static_cast<char*>(contiguous_buf);
+
+void Type_Contiguous::unserialize(const void* contiguous_buf, void* noncontiguous_buf, int count, MPI_Op op)
+{
+  const char* contiguous_buf_char = static_cast<const char*>(contiguous_buf);
   char* noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf)+lb();
   int n= count*block_count_;
   if(op!=MPI_OP_NULL)
     op->apply( contiguous_buf_char, noncontiguous_buf_char, &n, old_type_);
 }
 
-
-Type_Vector::Type_Vector(int size,MPI_Aint lb, MPI_Aint ub, int flags, int count, int block_length, int stride, MPI_Datatype old_type): Datatype(size, lb, ub, flags), block_count_(count), block_length_(block_length),block_stride_(stride),  old_type_(old_type){
-  old_type_->ref();
-}
-
-Type_Vector::~Type_Vector(){
-  Datatype::unref(old_type_);
-}
-
-
-void Type_Vector::serialize( void* noncontiguous_buf, void *contiguous_buf,
-                            int count){
-  char* contiguous_buf_char = static_cast<char*>(contiguous_buf);
-  char* noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf);
-
-  for (int i = 0; i < block_count_ * count; i++) {
-    if (not(old_type_->flags() & DT_FLAG_DERIVED))
-      memcpy(contiguous_buf_char, noncontiguous_buf_char, block_length_ * old_type_->size());
-    else
-      old_type_->serialize(noncontiguous_buf_char, contiguous_buf_char, block_length_);
-
-    contiguous_buf_char += block_length_*old_type_->size();
-    if((i+1)%block_count_ ==0)
-      noncontiguous_buf_char += block_length_*old_type_->get_extent();
-    else
-      noncontiguous_buf_char += block_stride_*old_type_->get_extent();
-  }
-}
-
-void Type_Vector::unserialize( void* contiguous_buf, void *noncontiguous_buf,
-                              int count, MPI_Op op){
-  char* contiguous_buf_char = static_cast<char*>(contiguous_buf);
-  char* noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf);
-
-  for (int i = 0; i < block_count_ * count; i++) {
-    if (not(old_type_->flags() & DT_FLAG_DERIVED)) {
-      if(op != MPI_OP_NULL)
-        op->apply(contiguous_buf_char, noncontiguous_buf_char, &block_length_,
-          old_type_);
-    }else
-      old_type_->unserialize(contiguous_buf_char, noncontiguous_buf_char, block_length_, op);
-
-    contiguous_buf_char += block_length_*old_type_->size();
-    if((i+1)%block_count_ ==0)
-      noncontiguous_buf_char += block_length_*old_type_->get_extent();
-    else
-      noncontiguous_buf_char += block_stride_*old_type_->get_extent();
-  }
-}
-
 Type_Hvector::Type_Hvector(int size,MPI_Aint lb, MPI_Aint ub, int flags, int count, int block_length, MPI_Aint stride, MPI_Datatype old_type): Datatype(size, lb, ub, flags), block_count_(count), block_length_(block_length), block_stride_(stride), old_type_(old_type){
   old_type->ref();
 }
@@ -95,10 +47,10 @@ Type_Hvector::~Type_Hvector(){
   Datatype::unref(old_type_);
 }
 
-void Type_Hvector::serialize( void* noncontiguous_buf, void *contiguous_buf,
+void Type_Hvector::serialize(const void* noncontiguous_buf, void *contiguous_buf,
                     int count){
   char* contiguous_buf_char = static_cast<char*>(contiguous_buf);
-  char* noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf);
+  const char* noncontiguous_buf_char = static_cast<const char*>(noncontiguous_buf);
 
   for (int i = 0; i < block_count_ * count; i++) {
     if (not(old_type_->flags() & DT_FLAG_DERIVED))
@@ -114,10 +66,9 @@ void Type_Hvector::serialize( void* noncontiguous_buf, void *contiguous_buf,
   }
 }
 
-
-void Type_Hvector::unserialize( void* contiguous_buf, void *noncontiguous_buf,
+void Type_Hvector::unserialize(const void* contiguous_buf, void *noncontiguous_buf,
                               int count, MPI_Op op){
-  char* contiguous_buf_char = static_cast<char*>(contiguous_buf);
+  const char* contiguous_buf_char = static_cast<const char*>(contiguous_buf);
   char* noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf);
 
   for (int i = 0; i < block_count_ * count; i++) {
@@ -134,86 +85,40 @@ void Type_Hvector::unserialize( void* contiguous_buf, void *noncontiguous_buf,
   }
 }
 
-Type_Indexed::Type_Indexed(int size,MPI_Aint lb, MPI_Aint ub, int flags, int count, int* block_lengths, int* block_indices, MPI_Datatype old_type): Datatype(size, lb, ub, flags), block_count_(count), old_type_(old_type){
-  old_type->ref();
-  block_lengths_ = new int[count];
-  block_indices_ = new int[count];
-  for (int i = 0; i < count; i++) {
-    block_lengths_[i]=block_lengths[i];
-    block_indices_[i]=block_indices[i];
-  }
-}
-
-Type_Indexed::~Type_Indexed(){
-  Datatype::unref(old_type_);
-  if(refcount()==0){
-    delete[] block_lengths_;
-    delete[] block_indices_;
-  }
-}
-
-
-void Type_Indexed::serialize( void* noncontiguous_buf, void *contiguous_buf,
-                        int count){
-  char* contiguous_buf_char = static_cast<char*>(contiguous_buf);
-  char* noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf)+block_indices_[0] * old_type_->size();
-  for (int j = 0; j < count; j++) {
-    for (int i = 0; i < block_count_; i++) {
-      if (not(old_type_->flags() & DT_FLAG_DERIVED))
-        memcpy(contiguous_buf_char, noncontiguous_buf_char, block_lengths_[i] * old_type_->size());
-      else
-        old_type_->serialize( noncontiguous_buf_char, contiguous_buf_char, block_lengths_[i]);
-
-      contiguous_buf_char += block_lengths_[i]*old_type_->size();
-      if (i<block_count_-1)
-        noncontiguous_buf_char =
-          static_cast<char*>(noncontiguous_buf) + block_indices_[i+1]*old_type_->get_extent();
-      else
-        noncontiguous_buf_char += block_lengths_[i]*old_type_->get_extent();
-    }
-    noncontiguous_buf=static_cast< void*>(noncontiguous_buf_char);
-  }
+Type_Vector::Type_Vector(int size, MPI_Aint lb, MPI_Aint ub, int flags, int count, int block_length, int stride,
+                         MPI_Datatype old_type)
+    : Type_Hvector(size, lb, ub, flags, count, block_length, stride * old_type->get_extent(), old_type)
+{
 }
 
-
-void Type_Indexed::unserialize( void* contiguous_buf, void *noncontiguous_buf,
-                      int count, MPI_Op op){
-  char* contiguous_buf_char = static_cast<char*>(contiguous_buf);
-  char* noncontiguous_buf_char =
-    static_cast<char*>(noncontiguous_buf)+block_indices_[0]*old_type_->get_extent();
-  for (int j = 0; j < count; j++) {
-    for (int i = 0; i < block_count_; i++) {
-      if (not(old_type_->flags() & DT_FLAG_DERIVED)) {
-        if(op!=MPI_OP_NULL)
-          op->apply( contiguous_buf_char, noncontiguous_buf_char, &block_lengths_[i],
-                    old_type_);
-      }else
-        old_type_->unserialize( contiguous_buf_char,noncontiguous_buf_char,block_lengths_[i], op);
-
-      contiguous_buf_char += block_lengths_[i]*old_type_->size();
-      if (i<block_count_-1)
-        noncontiguous_buf_char =
-          static_cast<char*>(noncontiguous_buf) + block_indices_[i+1]*old_type_->get_extent();
-      else
-        noncontiguous_buf_char += block_lengths_[i]*old_type_->get_extent();
-    }
-    noncontiguous_buf=static_cast<void*>(noncontiguous_buf_char);
+Type_Hindexed::Type_Hindexed(int size, MPI_Aint lb, MPI_Aint ub, int flags, int count, const int* block_lengths,
+                             const MPI_Aint* block_indices, MPI_Datatype old_type)
+    : Datatype(size, lb, ub, flags), block_count_(count), old_type_(old_type)
+{
+  old_type_->ref();
+  block_lengths_ = new int[count];
+  block_indices_ = new MPI_Aint[count];
+  for (int i = 0; i < count; i++) {
+    block_lengths_[i] = block_lengths[i];
+    block_indices_[i] = block_indices[i];
   }
 }
 
-Type_Hindexed::Type_Hindexed(int size,MPI_Aint lb, MPI_Aint ub, int flags, int count, int* block_lengths, MPI_Aint* block_indices, MPI_Datatype old_type)
-: Datatype(size, lb, ub, flags), block_count_(count), old_type_(old_type)
+Type_Hindexed::Type_Hindexed(int size, MPI_Aint lb, MPI_Aint ub, int flags, int count, const int* block_lengths,
+                             const int* block_indices, MPI_Datatype old_type, MPI_Aint factor)
+    : Datatype(size, lb, ub, flags), block_count_(count), old_type_(old_type)
 {
   old_type_->ref();
   block_lengths_ = new int[count];
   block_indices_ = new MPI_Aint[count];
   for (int i = 0; i < count; i++) {
-    block_lengths_[i]=block_lengths[i];
-    block_indices_[i]=block_indices[i];
+    block_lengths_[i] = block_lengths[i];
+    block_indices_[i] = block_indices[i] * factor;
   }
 }
 
-    Type_Hindexed::~Type_Hindexed(){
+Type_Hindexed::~Type_Hindexed()
+{
   Datatype::unref(old_type_);
   if(refcount()==0){
     delete[] block_lengths_;
@@ -221,10 +126,11 @@ Type_Hindexed::Type_Hindexed(int size,MPI_Aint lb, MPI_Aint ub, int flags, int c
   }
 }
 
-void Type_Hindexed::serialize( void* noncontiguous_buf, void *contiguous_buf,
+void Type_Hindexed::serialize(const void* noncontiguous_buf, void *contiguous_buf,
                 int count){
   char* contiguous_buf_char = static_cast<char*>(contiguous_buf);
-  char* noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf)+ block_indices_[0];
+  const char* noncontiguous_buf_iter = static_cast<const char*>(noncontiguous_buf);
+  const char* noncontiguous_buf_char = noncontiguous_buf_iter + block_indices_[0];
   for (int j = 0; j < count; j++) {
     for (int i = 0; i < block_count_; i++) {
       if (not(old_type_->flags() & DT_FLAG_DERIVED))
@@ -234,17 +140,17 @@ void Type_Hindexed::serialize( void* noncontiguous_buf, void *contiguous_buf,
 
       contiguous_buf_char += block_lengths_[i]*old_type_->size();
       if (i<block_count_-1)
-        noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf) + block_indices_[i+1];
+        noncontiguous_buf_char = noncontiguous_buf_iter + block_indices_[i+1];
       else
         noncontiguous_buf_char += block_lengths_[i]*old_type_->get_extent();
     }
-    noncontiguous_buf=static_cast<void*>(noncontiguous_buf_char);
+    noncontiguous_buf_iter=noncontiguous_buf_char;
   }
 }
 
-void Type_Hindexed::unserialize( void* contiguous_buf, void *noncontiguous_buf,
+void Type_Hindexed::unserialize(const void* contiguous_buf, void *noncontiguous_buf,
                           int count, MPI_Op op){
-  char* contiguous_buf_char = static_cast<char*>(contiguous_buf);
+  const char* contiguous_buf_char = static_cast<const char*>(contiguous_buf);
   char* noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf)+ block_indices_[0];
   for (int j = 0; j < count; j++) {
     for (int i = 0; i < block_count_; i++) {
@@ -265,7 +171,13 @@ void Type_Hindexed::unserialize( void* contiguous_buf, void *noncontiguous_buf,
   }
 }
 
-Type_Struct::Type_Struct(int size,MPI_Aint lb, MPI_Aint ub, int flags, int count, int* block_lengths, MPI_Aint* block_indices, MPI_Datatype* old_types): Datatype(size, lb, ub, flags), block_count_(count), block_lengths_(block_lengths), block_indices_(block_indices), old_types_(old_types){
+Type_Indexed::Type_Indexed(int size, MPI_Aint lb, MPI_Aint ub, int flags, int count, const int* block_lengths,
+                           const int* block_indices, MPI_Datatype old_type)
+    : Type_Hindexed(size, lb, ub, flags, count, block_lengths, block_indices, old_type, old_type->get_extent())
+{
+}
+
+Type_Struct::Type_Struct(int size,MPI_Aint lb, MPI_Aint ub, int flags, int count, const int* block_lengths, const MPI_Aint* block_indices, const MPI_Datatype* old_types): Datatype(size, lb, ub, flags), block_count_(count){
   block_lengths_= new int[count];
   block_indices_= new MPI_Aint[count];
   old_types_=  new MPI_Datatype[count];
@@ -289,10 +201,11 @@ Type_Struct::~Type_Struct(){
 }
 
 
-void Type_Struct::serialize( void* noncontiguous_buf, void *contiguous_buf,
+void Type_Struct::serialize(const void* noncontiguous_buf, void *contiguous_buf,
                         int count){
   char* contiguous_buf_char = static_cast<char*>(contiguous_buf);
-  char* noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf)+ block_indices_[0];
+  const char* noncontiguous_buf_iter = static_cast<const char*>(noncontiguous_buf);
+  const char* noncontiguous_buf_char = noncontiguous_buf_iter + block_indices_[0];
   for (int j = 0; j < count; j++) {
     for (int i = 0; i < block_count_; i++) {
       if (not(old_types_[i]->flags() & DT_FLAG_DERIVED))
@@ -303,17 +216,17 @@ void Type_Struct::serialize( void* noncontiguous_buf, void *contiguous_buf,
 
       contiguous_buf_char += block_lengths_[i]*old_types_[i]->size();
       if (i<block_count_-1)
-        noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf) + block_indices_[i+1];
+        noncontiguous_buf_char = noncontiguous_buf_iter + block_indices_[i+1];
       else //let's hope this is MPI_UB ?
         noncontiguous_buf_char += block_lengths_[i]*old_types_[i]->get_extent();
     }
-    noncontiguous_buf=static_cast<void*>(noncontiguous_buf_char);
+    noncontiguous_buf_iter=noncontiguous_buf_char;
   }
 }
 
-void Type_Struct::unserialize( void* contiguous_buf, void *noncontiguous_buf,
+void Type_Struct::unserialize(const void* contiguous_buf, void *noncontiguous_buf,
                               int count, MPI_Op op){
-  char* contiguous_buf_char = static_cast<char*>(contiguous_buf);
+  const char* contiguous_buf_char = static_cast<const char*>(contiguous_buf);
   char* noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf)+ block_indices_[0];
   for (int j = 0; j < count; j++) {
     for (int i = 0; i < block_count_; i++) {