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Kill trailing whitespaces in source code files.
[simgrid.git] / src / smpi / mpi / smpi_datatype_derived.cpp
index 2624ca3..fa4a389 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) 2009-2021. 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. */
@@ -8,12 +8,33 @@
 #include "smpi_op.hpp"
 #include <xbt/log.h>
 
+#include <array>
+#include <cstring>
+
 namespace simgrid{
 namespace smpi{
 
+Datatype_contents::Datatype_contents(int combiner, int number_of_integers, const int* integers, int number_of_addresses,
+                                     const MPI_Aint* addresses, int number_of_datatypes, const MPI_Datatype* datatypes)
+    : combiner_(combiner)
+    , integers_(integers, integers + number_of_integers)
+    , addresses_(addresses, addresses + number_of_addresses)
+    , datatypes_(datatypes, datatypes + number_of_datatypes)
+{
+  for (auto& datatype : datatypes_)
+    datatype->ref();
+}
+
+Datatype_contents::~Datatype_contents()
+{
+  for (auto& datatype : datatypes_)
+    Datatype::unref(datatype);
+}
+
 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)
 {
+  set_contents(MPI_COMBINER_CONTIGUOUS, 1, &block_count, 0, nullptr, 1, &old_type);
   old_type_->ref();
 }
 
@@ -22,83 +43,49 @@ Type_Contiguous::~Type_Contiguous()
   Datatype::unref(old_type_);
 }
 
-void Type_Contiguous::serialize(void* noncontiguous_buf, void* contiguous_buf, int count)
+int Type_Contiguous::clone(MPI_Datatype* type)
 {
-  char* contiguous_buf_char = static_cast<char*>(contiguous_buf);
-  char* noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf)+lb();
-  memcpy(contiguous_buf_char, noncontiguous_buf_char, count * block_count_ * old_type_->size());
+  *type = new Type_Contiguous(this->size(), this->lb(), this->ub(), this->flags(), this->block_count_, this->old_type_);
+  (*type)->copy_attrs(this);
+  return MPI_SUCCESS;
 }
 
-void Type_Contiguous::unserialize(void* contiguous_buf, void* noncontiguous_buf, int count, MPI_Op op)
+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();
+  auto* contiguous_buf_char          = static_cast<char*>(contiguous_buf);
+  const auto* noncontiguous_buf_char = static_cast<const char*>(noncontiguous_buf) + lb();
+  memcpy(contiguous_buf_char, noncontiguous_buf_char, old_type_->size() * count * block_count_);
+}
+
+void Type_Contiguous::unserialize(const void* contiguous_buf, void* noncontiguous_buf, int count, MPI_Op op)
+{
+  const auto* contiguous_buf_char = static_cast<const char*>(contiguous_buf);
+  auto* 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){
+  const std::array<int, 2> ints = {{count, block_length}};
+  set_contents(MPI_COMBINER_HVECTOR, 2, ints.data(), 1, &stride, 1, &old_type);
   old_type->ref();
 }
 Type_Hvector::~Type_Hvector(){
   Datatype::unref(old_type_);
 }
 
-void Type_Hvector::serialize( void* noncontiguous_buf, void *contiguous_buf,
+int Type_Hvector::clone(MPI_Datatype* type)
+{
+  *type = new Type_Hvector(this->size(), this->lb(), this->ub(), this->flags(), this->block_count_, this->block_length_, this->block_stride_, this->old_type_);
+  (*type)->copy_attrs(this);
+  return MPI_SUCCESS;
+}
+
+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);
+  auto* contiguous_buf_char          = static_cast<char*>(contiguous_buf);
+  const auto* 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))
@@ -114,11 +101,10 @@ 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);
-  char* noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf);
+  const auto* contiguous_buf_char = static_cast<const char*>(contiguous_buf);
+  auto* 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)) {
@@ -134,86 +120,65 @@ 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_;
-  }
+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)
+{
+  const std::array<int, 3> ints = {{count, block_length, stride}};
+  set_contents(MPI_COMBINER_VECTOR, 3, ints.data(), 0, nullptr, 1, &old_type);
 }
 
-
-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);
-  }
+int Type_Vector::clone(MPI_Datatype* type)
+{
+  *type = new Type_Vector(this->size(), this->lb(), this->ub(), this->flags(), this->block_count_, this->block_length_, this->block_stride_, this->old_type_);
+  (*type)->copy_attrs(this);
+  return MPI_SUCCESS;
 }
 
-
-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)
+    , block_lengths_(new int[count])
+    , block_indices_(new MPI_Aint[count])
+    , old_type_(old_type)
+{
+  std::vector<int> ints(count + 1);
+  ints[0]=count;
+  for(int i=1;i<=count;i++)
+    ints[i]=block_lengths[i-1];
+  set_contents(MPI_COMBINER_HINDEXED, count + 1, ints.data(), count, block_indices, 1, &old_type);
+  old_type_->ref();
+  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)
+    , block_lengths_(new int[count])
+    , block_indices_(new MPI_Aint[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(){
+int Type_Hindexed::clone(MPI_Datatype* type)
+{
+  *type = new Type_Hindexed(this->size(), this->lb(), this->ub(), this->flags(), this->block_count_, this->block_lengths_, this->block_indices_, this->old_type_);
+  (*type)->copy_attrs(this);
+  return MPI_SUCCESS;
+}
+
+Type_Hindexed::~Type_Hindexed()
+{
   Datatype::unref(old_type_);
   if(refcount()==0){
     delete[] block_lengths_;
@@ -221,10 +186,11 @@ 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];
+  auto* contiguous_buf_char          = static_cast<char*>(contiguous_buf);
+  const auto* noncontiguous_buf_iter = static_cast<const char*>(noncontiguous_buf);
+  const auto* 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))
@@ -234,18 +200,18 @@ 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);
-  char* noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf)+ block_indices_[0];
+  const auto* contiguous_buf_char = static_cast<const char*>(contiguous_buf);
+  auto* 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++) {
       if (not(old_type_->flags() & DT_FLAG_DERIVED)) {
@@ -265,10 +231,39 @@ 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){
-  block_lengths_= new int[count];
-  block_indices_= new MPI_Aint[count];
-  old_types_=  new MPI_Datatype[count];
+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())
+{
+  std::vector<int> ints(2 * count + 1);
+  ints[0]=count;
+  for(int i=1;i<=count;i++)
+    ints[i]=block_lengths[i-1];
+  for(int i=count+1;i<=2*count;i++)
+    ints[i]=block_indices[i-count-1];
+  set_contents(MPI_COMBINER_INDEXED, 2 * count + 1, ints.data(), 0, nullptr, 1, &old_type);
+}
+
+int Type_Indexed::clone(MPI_Datatype* type)
+{
+  *type = new Type_Indexed(this->size(), this->lb(), this->ub(), this->flags(), this->block_count_, this->block_lengths_, (int*)(this->block_indices_), this->old_type_);
+  (*type)->copy_attrs(this);
+  return MPI_SUCCESS;
+}
+
+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])
+{
+  std::vector<int> ints(count + 1);
+  ints[0]=count;
+  for(int i=1;i<=count;i++)
+    ints[i]=block_lengths[i-1];
+  set_contents(MPI_COMBINER_INDEXED, count + 1, ints.data(), count, block_indices, count, old_types);
   for (int i = 0; i < count; i++) {
     block_lengths_[i]=block_lengths[i];
     block_indices_[i]=block_indices[i];
@@ -288,11 +283,18 @@ Type_Struct::~Type_Struct(){
   }
 }
 
+int Type_Struct::clone(MPI_Datatype* type)
+{
+  *type = new Type_Struct(this->size(), this->lb(), this->ub(), this->flags(), this->block_count_, this->block_lengths_, this->block_indices_, this->old_types_);
+  (*type)->copy_attrs(this);
+  return MPI_SUCCESS;
+}
 
-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];
+  auto* contiguous_buf_char          = static_cast<char*>(contiguous_buf);
+  const auto* noncontiguous_buf_iter = static_cast<const char*>(noncontiguous_buf);
+  const auto* 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))
@@ -303,18 +305,18 @@ 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);
-  char* noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf)+ block_indices_[0];
+  const auto* contiguous_buf_char = static_cast<const char*>(contiguous_buf);
+  auto* 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++) {
       if (not(old_types_[i]->flags() & DT_FLAG_DERIVED)) {