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rAKA/common/aka_static_memory.cc
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aka_static_memory.cc
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/**
* @file aka_static_memory.cc
* @author Nicolas Richart <nicolas.richart@epfl.ch>
* @date Thu Jun 10 14:42:37 2010
*
* @brief Memory management
*
* @section LICENSE
*
* \<insert license here\>
*
*/
/* -------------------------------------------------------------------------- */
#include <stdexcept>
#include <sstream>
/* -------------------------------------------------------------------------- */
#include "aka_static_memory.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
bool StaticMemory::is_instantiated = false;
StaticMemory * StaticMemory::single_static_memory = NULL;
UInt StaticMemory::nb_reference = 0;
/* -------------------------------------------------------------------------- */
StaticMemory * StaticMemory::getStaticMemory() {
if(!single_static_memory) {
single_static_memory = new StaticMemory();
is_instantiated = true;
}
nb_reference++;
return single_static_memory;
}
/* -------------------------------------------------------------------------- */
void StaticMemory::destroy() {
nb_reference--;
if(nb_reference == 0) {
delete single_static_memory;
}
}
/* -------------------------------------------------------------------------- */
StaticMemory::~StaticMemory() {
AKANTU_DEBUG_IN();
MemoryMap::iterator memory_it;
for(memory_it = memories.begin(); memory_it != memories.end(); ++memory_it) {
VectorMap::iterator vector_it;
for(vector_it = (memory_it->second).begin();
vector_it != (memory_it->second).end();
++vector_it) {
delete vector_it->second;
}
(memory_it->second).clear();
}
memories.clear();
is_instantiated = false;
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void StaticMemory::sfree(const MemoryID & memory_id,
const VectorID & name) {
AKANTU_DEBUG_IN();
try {
VectorMap & vectors = const_cast<VectorMap &>(getMemory(memory_id));
VectorMap::iterator vector_it;
vector_it = vectors.find(name);
if(vector_it != vectors.end()) {
delete vector_it->second;
vectors.erase(vector_it);
AKANTU_DEBUG_INFO("Vector " << name << " removed from the static memory number " << memory_id);
AKANTU_DEBUG_OUT();
return;
}
} catch (Exception e) {
AKANTU_DEBUG_INFO("The memory " << memory_id << " does not exist (perhaps already freed) ["
<< e.what() << "]");
AKANTU_DEBUG_OUT();
return;
}
AKANTU_DEBUG_INFO("The vector " << name << " does not exist (perhaps already freed)");
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void StaticMemory::printself(std::ostream & stream, int indent) const{
std::string space = "";
for(Int i = 0; i < indent; i++, space += AKANTU_INDENT);
std::streamsize prec = stream.precision();
stream.precision(2);
stream << space << "StaticMemory [" << std::endl;
UInt nb_memories = memories.size();
stream << space << " + nb memories : " << nb_memories << std::endl;
Real tot_size = 0;
MemoryMap::const_iterator memory_it;
for(memory_it = memories.begin(); memory_it != memories.end(); ++memory_it) {
Real mem_size = 0;
stream << space << AKANTU_INDENT << "Memory [" << std::endl;
UInt mem_id = memory_it->first;
stream << space << AKANTU_INDENT << " + memory id : "
<< mem_id << std::endl;
UInt nb_vectors = (memory_it->second).size();
stream << space << AKANTU_INDENT << " + nb vectors : "
<< nb_vectors << std::endl;
stream.precision(prec);
VectorMap::const_iterator vector_it;
for(vector_it = (memory_it->second).begin();
vector_it != (memory_it->second).end();
++vector_it) {
(vector_it->second)->printself(stream, indent + 2);
mem_size += (vector_it->second)->getMemorySize() / 1024.;
}
stream.precision(2);
stream << space << AKANTU_INDENT << " + total size : " << mem_size << "kB" << std::endl;
stream << space << AKANTU_INDENT << "]" << std::endl;
tot_size += mem_size;
}
stream << space << " + total size : " << tot_size << "kB" << std::endl;
stream << space << "]" << std::endl;
stream.precision(prec);
}
/* -------------------------------------------------------------------------- */
__END_AKANTU__
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