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rAKA/src/synchronizer/communication_buffer_inline_impl.cc
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communication_buffer_inline_impl.cc
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/**
* @file communication_buffer_inline_impl.cc
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Thu Apr 14 2011
* @date last modification: Sun Oct 19 2014
*
* @brief CommunicationBuffer inline implementation
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014, 2015 EPFL (Ecole Polytechnique Fédérale de
* Lausanne) Laboratory (LSMS - Laboratoire de Simulation en Mécanique des
* Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
template <bool is_static>
template <typename T>
inline UInt CommunicationBufferTemplated<is_static>::sizeInBuffer(const T &) {
return sizeof(T);
}
template <bool is_static>
template <typename T>
inline UInt
CommunicationBufferTemplated<is_static>::sizeInBuffer(const Vector<T> & data) {
UInt size = data.size() * sizeof(T);
return size;
}
template <bool is_static>
template <typename T>
inline UInt
CommunicationBufferTemplated<is_static>::sizeInBuffer(const Matrix<T> & data) {
UInt size = data.size() * sizeof(T);
return size;
}
template <bool is_static>
template <typename T>
inline UInt CommunicationBufferTemplated<is_static>::sizeInBuffer(
const std::vector<T> & data) {
UInt size = data.size() * sizeof(T) + sizeof(size_t);
return size;
}
template <bool is_static>
inline UInt CommunicationBufferTemplated<is_static>::sizeInBuffer(
const std::string & data) {
UInt size = data.size() * sizeof(std::string::value_type) + sizeof(size_t);
return size;
}
/* -------------------------------------------------------------------------- */
template <bool is_static>
inline void CommunicationBufferTemplated<is_static>::packResize(UInt size) {
if (!is_static) {
char * values = buffer.storage();
buffer.resize(buffer.getSize() + size);
ptr_pack = buffer.storage() + (ptr_pack - values);
ptr_unpack = buffer.storage() + (ptr_unpack - values);
}
}
/* -------------------------------------------------------------------------- */
template <bool is_static>
template <typename T>
inline CommunicationBufferTemplated<is_static> &
CommunicationBufferTemplated<is_static>::operator<<(const T & to_pack) {
UInt size = sizeInBuffer(to_pack);
packResize(size);
AKANTU_DEBUG_ASSERT(
(buffer.storage() + buffer.getSize()) >= (ptr_pack + size),
"Packing too much data in the CommunicationBufferTemplated");
memcpy(ptr_pack, reinterpret_cast<const char *>(&to_pack), size);
ptr_pack += size;
return *this;
}
/* -------------------------------------------------------------------------- */
template <bool is_static>
template <typename T>
inline CommunicationBufferTemplated<is_static> &
CommunicationBufferTemplated<is_static>::operator>>(T & to_unpack) {
UInt size = sizeInBuffer(to_unpack);
alignas(alignof(T)) std::array<char, sizeof(T)> aligned_ptr;
memcpy(aligned_ptr.data(), ptr_unpack, size);
T * tmp = reinterpret_cast<T *>(aligned_ptr.data());
AKANTU_DEBUG_ASSERT(
(buffer.storage() + buffer.getSize()) >= (ptr_unpack + size),
"Unpacking too much data in the CommunicationBufferTemplated");
to_unpack = *tmp;
// memcpy(reinterpret_cast<char *>(&to_unpack), ptr_unpack, size);
ptr_unpack += size;
return *this;
}
/* -------------------------------------------------------------------------- */
/* Specialization */
/* -------------------------------------------------------------------------- */
/**
* Vector
*/
/* -------------------------------------------------------------------------- */
template <bool is_static>
template <typename T>
inline CommunicationBufferTemplated<is_static> &
CommunicationBufferTemplated<is_static>::operator<<(const Vector<T> & to_pack) {
UInt size = sizeInBuffer(to_pack);
packResize(size);
AKANTU_DEBUG_ASSERT(
(buffer.storage() + buffer.getSize()) >= (ptr_pack + size),
"Packing too much data in the CommunicationBufferTemplated");
memcpy(ptr_pack, to_pack.storage(), size);
ptr_pack += size;
return *this;
}
/* -------------------------------------------------------------------------- */
template <bool is_static>
template <typename T>
inline CommunicationBufferTemplated<is_static> &
CommunicationBufferTemplated<is_static>::operator>>(Vector<T> & to_unpack) {
UInt size = sizeInBuffer(to_unpack);
AKANTU_DEBUG_ASSERT(
(buffer.storage() + buffer.getSize()) >= (ptr_unpack + size),
"Unpacking too much data in the CommunicationBufferTemplated");
memcpy(to_unpack.storage(), ptr_unpack, size);
ptr_unpack += size;
return *this;
}
/**
* Matrix
*/
/* -------------------------------------------------------------------------- */
template <bool is_static>
template <typename T>
inline CommunicationBufferTemplated<is_static> &
CommunicationBufferTemplated<is_static>::operator<<(const Matrix<T> & to_pack) {
UInt size = sizeInBuffer(to_pack);
packResize(size);
AKANTU_DEBUG_ASSERT(
(buffer.storage() + buffer.getSize()) >= (ptr_pack + size),
"Packing too much data in the CommunicationBufferTemplated");
memcpy(ptr_pack, to_pack.storage(), size);
ptr_pack += size;
return *this;
}
/* -------------------------------------------------------------------------- */
template <bool is_static>
template <typename T>
inline CommunicationBufferTemplated<is_static> &
CommunicationBufferTemplated<is_static>::operator>>(Matrix<T> & to_unpack) {
UInt size = sizeInBuffer(to_unpack);
AKANTU_DEBUG_ASSERT(
(buffer.storage() + buffer.getSize()) >= (ptr_unpack + size),
"Unpacking too much data in the CommunicationBufferTemplated");
memcpy(to_unpack.storage(), ptr_unpack, size);
ptr_unpack += size;
return *this;
}
/* -------------------------------------------------------------------------- */
template <bool is_static>
template <typename T>
inline void CommunicationBufferTemplated<is_static>::packIterable(T & to_pack) {
operator<<(size_t(to_pack.size()));
typename T::const_iterator it = to_pack.begin();
typename T::const_iterator end = to_pack.end();
for (; it != end; ++it)
operator<<(*it);
}
/* -------------------------------------------------------------------------- */
template <bool is_static>
template <typename T>
inline void
CommunicationBufferTemplated<is_static>::unpackIterable(T & to_unpack) {
size_t size;
operator>>(size);
to_unpack.resize(size);
typename T::iterator it = to_unpack.begin();
typename T::iterator end = to_unpack.end();
for (; it != end; ++it)
operator>>(*it);
}
/**
* std::vector<T>
*/
/* -------------------------------------------------------------------------- */
template <bool is_static>
template <typename T>
inline CommunicationBufferTemplated<is_static> &
CommunicationBufferTemplated<is_static>::
operator<<(const std::vector<T> & to_pack) {
packIterable(to_pack);
return *this;
}
/* -------------------------------------------------------------------------- */
template <bool is_static>
template <typename T>
inline CommunicationBufferTemplated<is_static> &
CommunicationBufferTemplated<is_static>::
operator>>(std::vector<T> & to_unpack) {
unpackIterable(to_unpack);
return *this;
}
/**
* std::string
*/
/* -------------------------------------------------------------------------- */
template <bool is_static>
inline CommunicationBufferTemplated<is_static> &
CommunicationBufferTemplated<is_static>::
operator<<(const std::string & to_pack) {
packIterable(to_pack);
return *this;
}
/* -------------------------------------------------------------------------- */
template <bool is_static>
inline CommunicationBufferTemplated<is_static> &
CommunicationBufferTemplated<is_static>::operator>>(std::string & to_unpack) {
unpackIterable(to_unpack);
return *this;
}
/* -------------------------------------------------------------------------- */
template <bool is_static>
template <typename T>
inline std::string
CommunicationBufferTemplated<is_static>::extractStream(UInt block_size) {
std::stringstream str;
T * ptr = reinterpret_cast<T *>(buffer.storage());
UInt sz = buffer.getSize() / sizeof(T);
UInt sz_block = block_size / sizeof(T);
UInt n_block = 0;
for (UInt i = 0; i < sz; ++i) {
if (i % sz_block == 0) {
str << std::endl << n_block << " ";
++n_block;
}
str << *ptr << " ";
++ptr;
}
return str.str();
}
/* -------------------------------------------------------------------------- */
template <bool is_static>
inline void CommunicationBufferTemplated<is_static>::resize(UInt size) {
if (!is_static) {
buffer.resize(0);
} else {
buffer.resize(size);
}
reset();
#ifndef AKANTU_NDEBUG
clear();
#endif
}
/* -------------------------------------------------------------------------- */
template <bool is_static>
inline void CommunicationBufferTemplated<is_static>::clear() {
buffer.clear();
}
/* -------------------------------------------------------------------------- */
template <bool is_static>
inline void CommunicationBufferTemplated<is_static>::reset() {
ptr_pack = buffer.storage();
ptr_unpack = buffer.storage();
}
/* -------------------------------------------------------------------------- */
// template<bool is_static>
// inline CommunicationBufferTemplated<is_static> &
// CommunicationBufferTemplated<is_static>::packMeshData (const MeshData &
// to_pack, const ElementType & type) {
// UInt size = to_pack.size();
// operator<<(size);
// typename std::vector<T>::iterator it = to_pack.begin();
// typename std::vector<T>::iterator end = to_pack.end();
// for(;it != end; ++it) operator<<(*it);
// return *this;
//}
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