--- /dev/null
+/* smpi_datatype.cpp -- MPI primitives to handle datatypes */
+/* Copyright (c) 2009-2015. 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 "mc/mc.h"
+#include "private.h"
+
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <string>
+
+XBT_LOG_EXTERNAL_CATEGORY(smpi_datatype);
+
+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){
+ old_type_->use();
+}
+
+Type_Contiguous::~Type_Contiguous(){
+ old_type_->unuse();
+}
+
+void Type_Contiguous::use(){
+ old_type_->use();
+};
+
+void Type_Contiguous::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)+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);
+ 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_->use();
+}
+
+Type_Vector::~Type_Vector(){
+ old_type_->unuse();
+}
+
+void Type_Vector::use(){
+ old_type_->use();
+}
+
+
+void Type_Vector::serialize( void* noncontiguous_buf, void *contiguous_buf,
+ int count){
+ int i;
+ char* contiguous_buf_char = static_cast<char*>(contiguous_buf);
+ char* noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf);
+
+ for (i = 0; i < block_count_ * count; i++) {
+ if (!(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){
+ int i;
+ char* contiguous_buf_char = static_cast<char*>(contiguous_buf);
+ char* noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf);
+
+ for (i = 0; i < block_count_ * count; i++) {
+ if (!(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->use();
+}
+Type_Hvector::~Type_Hvector(){
+ old_type_->unuse();
+}
+void Type_Hvector::use(){
+ old_type_->use();
+}
+
+void Type_Hvector::serialize( void* noncontiguous_buf, void *contiguous_buf,
+ int count){
+ int i;
+ char* contiguous_buf_char = static_cast<char*>(contiguous_buf);
+ char* noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf);
+
+ for (i = 0; i < block_count_ * count; i++) {
+ if (!(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_->size();
+ else
+ noncontiguous_buf_char += block_stride_;
+ }
+}
+
+
+void Type_Hvector::unserialize( void* contiguous_buf, void *noncontiguous_buf,
+ int count, MPI_Op op){
+ int i;
+ char* contiguous_buf_char = static_cast<char*>(contiguous_buf);
+ char* noncontiguous_buf_char = static_cast<char*>(noncontiguous_buf);
+
+ for (i = 0; i < block_count_ * count; i++) {
+ if (!(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_->size();
+ else
+ noncontiguous_buf_char += block_stride_;
+ }
+}
+
+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->use();
+ 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(){
+ old_type_->unuse();
+ if(in_use_==0){
+ delete[] block_lengths_;
+ delete[] block_indices_;
+ }
+}
+
+void Type_Indexed::use(){
+ old_type_->use();
+}
+
+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 (!(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);
+ }
+}
+
+
+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 (!(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, int* block_lengths, MPI_Aint* block_indices, MPI_Datatype old_type)
+: Datatype(size, lb, ub, flags), block_count_(count), old_type_(old_type)
+{
+ old_type_->use();
+ 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(){
+ old_type_->unuse();
+ if(in_use_==0){
+ delete[] block_lengths_;
+ delete[] block_indices_;
+ }
+}
+
+void Type_Hindexed::use(){
+ old_type_->use();
+}
+void Type_Hindexed::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];
+ for (int j = 0; j < count; j++) {
+ for (int i = 0; i < block_count_; i++) {
+ if (!(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];
+ else
+ noncontiguous_buf_char += block_lengths_[i]*old_type_->get_extent();
+ }
+ noncontiguous_buf=static_cast<void*>(noncontiguous_buf_char);
+ }
+}
+
+void Type_Hindexed::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];
+ for (int j = 0; j < count; j++) {
+ for (int i = 0; i < block_count_; i++) {
+ if (!(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];
+ else
+ noncontiguous_buf_char += block_lengths_[i]*old_type_->get_extent();
+ }
+ noncontiguous_buf=static_cast<void*>(noncontiguous_buf_char);
+ }
+}
+
+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];
+ for (int i = 0; i < count; i++) {
+ block_lengths_[i]=block_lengths[i];
+ block_indices_[i]=block_indices[i];
+ old_types_[i]=old_types[i];
+ old_types_[i]->use();
+ }
+}
+
+Type_Struct::~Type_Struct(){
+ for (int i = 0; i < block_count_; i++) {
+ old_types_[i]->unuse();
+ }
+ if(in_use_==0){
+ delete[] block_lengths_;
+ delete[] block_indices_;
+ delete[] old_types_;
+ }
+}
+
+void Type_Struct::use(){
+ for (int i = 0; i < block_count_; i++) {
+ old_types_[i]->use();
+ }
+}
+
+void Type_Struct::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];
+ for (int j = 0; j < count; j++) {
+ for (int i = 0; i < block_count_; i++) {
+ if (!(old_types_[i]->flags() & DT_FLAG_DERIVED))
+ memcpy(contiguous_buf_char, noncontiguous_buf_char, block_lengths_[i] * old_types_[i]->size());
+ else
+ old_types_[i]->serialize( noncontiguous_buf_char,contiguous_buf_char,block_lengths_[i]);
+
+
+ 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];
+ 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);
+ }
+}
+
+void Type_Struct::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];
+ for (int j = 0; j < count; j++) {
+ for (int i = 0; i < block_count_; i++) {
+ if (!(old_types_[i]->flags() & DT_FLAG_DERIVED)){
+ if(op!=MPI_OP_NULL)
+ op->apply( contiguous_buf_char, noncontiguous_buf_char, &block_lengths_[i], old_types_[i]);
+ }else
+ old_types_[i]->unserialize( contiguous_buf_char, noncontiguous_buf_char,block_lengths_[i], op);
+
+ 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];
+ else
+ noncontiguous_buf_char += block_lengths_[i]*old_types_[i]->get_extent();
+ }
+ noncontiguous_buf=reinterpret_cast<void*>(noncontiguous_buf_char);
+ }
+}
+
+}
+}
