genericobject.h File Reference

Go to the source code of this file.

Classes
class	GenericObject
	class containing a generic object More...
class	GenericPointer< T >
	class containing a generic pointer More...

Functions
void	printAllocatedMemory (const MLong oldAllocatedBytes, const MString &solverName, const MPI_Comm comm)
	Prints currently allocated memory. More...
MString	getMemorySize (MLong noBytes)
	Returns memory size in KB, MB or GB. More...

Function Documentation

getMemorySize()

MString getMemorySize

(

MLong

noBytes

)

Author

Lennart Schneiders

Date

09.12.2011

Definition at line 51 of file genericobject.cpp.

                                     {
  stringstream size;
  size.str("");
  char buffer[32];
  if((MFloat)noBytes / (1024 * 1024) < 1.0) {
    MFloat tmp = (MFloat)noBytes / (1024);
    sprintf(buffer, "%6.2f", tmp);
    size << buffer << " KB";
  } else if(((MFloat)noBytes / (1024 * 1024 * 1024)) > 1.0) {
    MFloat tmp = (MFloat)noBytes / (1024 * 1024 * 1024);
    sprintf(buffer, "%6.2f", tmp);
    size << buffer << " GB";
  } else {
    MFloat tmp = (MFloat)noBytes / (1024 * 1024);
    sprintf(buffer, "%6.2f", tmp);
    size << buffer << " MB";
  }
  return size.str();
}

printAllocatedMemory()

void printAllocatedMemory	(	const MLong	oldAllocatedBytes,
		const MString &	solverName,
		const MPI_Comm	comm
	)

Author

Lennart Schneiders

Date

08.12.2011

Author

Lennart Schneiders

Date

08.12.2011

Definition at line 26 of file genericobject.cpp.

                                                                                                         {
  TRACE();
 
  m_log << fixed << "=================================================" << endl;
  m_log.precision(6);
  m_log << getMemorySize(g_allocatedBytes - oldAllocatedBytes) << " allocated by " << solverName << "." << endl;
  m_log << "Total memory: " << getMemorySize(g_allocatedBytes) << "." << endl;
  m_log << "=================================================" << endl;
 
  MLong allocBytes = g_allocatedBytes;
  MLong oldAllocBytes = oldAllocatedBytes;
  MLong allocMax = allocBytes - oldAllocatedBytes;
  if(globalNoDomains() > 1) {
    MPI_Allreduce(MPI_IN_PLACE, &allocBytes, 1, MPI_LONG, MPI_SUM, comm, AT_, "MPI_IN_PLACE", "allocBytes");
    MPI_Allreduce(MPI_IN_PLACE, &oldAllocBytes, 1, MPI_LONG, MPI_SUM, comm, AT_, "MPI_IN_PLACE", "oldAllocBytes");
    MPI_Allreduce(MPI_IN_PLACE, &allocMax, 1, MPI_LONG, MPI_MAX, comm, AT_, "MPI_IN_PLACE", "oldAllocBytes");
  }
  if(globalDomainId() == 0) {
    cerr.precision(6);
    cerr << "=== " << getMemorySize(allocBytes - oldAllocBytes) << " globally allocated by " << solverName
         << ". Total global memory: " << getMemorySize(allocBytes) << ". ===" << endl;
    cerr << "=== " << getMemorySize(allocMax) << " maximum globally allocated by " << solverName << ". ===" << endl;
  }
}