ParallelDescriptor.H File Reference

#include <winstd.H>
#include <cstdio>
#include <cctype>
#include <cassert>
#include <cmath>
#include <iostream>
#include <fstream>
#include <iomanip>
#include <map>
#include <algorithm>
#include <vector>
#include <stack>
#include <limits>
#include <Thread.H>
#include <BLassert.H>
#include <REAL.H>
#include <Box.H>
#include <ccse-mpi.H>

Include dependency graph for ParallelDescriptor.H:

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Go to the source code of this file.

Namespaces
namespace	ParallelDescriptor
Classes
struct	FabComTag
struct	CommData
class	ParallelDescriptor::Message
Defines
#define	BL_MPI_REQUIRE(x)
Functions
std::ostream &	operator<< (std::ostream &os, const CommData &cd)
std::ostream &	operator<< (std::ostream &os, const Array< CommData > &cd)
void	ParallelDescriptor::StartParallel (int *argc=0, char ***argv=0)
	Perform any needed parallel initialization.
void	ParallelDescriptor::EndParallel ()
	Perform any needed parallel finalization.
int	ParallelDescriptor::MyProc ()
	Returns processor number of calling program.
int	ParallelDescriptor::NProcs ()
	Returns number of CPUs involved in the computation.
int	ParallelDescriptor::NProcsCFD ()
	Returns number of CPUs to use in CFD portion of computation.
MPI_Comm	ParallelDescriptor::Communicator ()
	BoxLib's Parallel Communicator, probably MPI_COMM_WORLD.
void	ParallelDescriptor::Barrier ()
void	ParallelDescriptor::Barrier (MPI_Comm)
void	ParallelDescriptor::Test (MPI_Request &request, int &flag, MPI_Status &status)
void	ParallelDescriptor::Comm_dup (MPI_Comm comm, MPI_Comm &newcomm)
bool	ParallelDescriptor::IOProcessor ()
	Is this CPU the I/O Processor?
int	ParallelDescriptor::IOProcessorNumber ()
	The CPU number of the I/O Processor.
void	ParallelDescriptor::Abort ()
	Issue architecture specific Abort.
void	ParallelDescriptor::Abort (int errorcode)
	Abort with specified error code.
const char *	ParallelDescriptor::ErrorString (int errcode)
	ErrorString return string associated with error internal error condition.
double	ParallelDescriptor::second ()
	Returns wall-clock seconds since start of execution.
void	ParallelDescriptor::ReduceBoolAnd (bool &rvar)
	And-wise boolean reduction.
void	ParallelDescriptor::ReduceBoolAnd (bool &rvar, int cpu)
	And-wise boolean reduction to specified cpu.
void	ParallelDescriptor::ReduceBoolOr (bool &rvar)
	Or-wise boolean reduction.
void	ParallelDescriptor::ReduceBoolOr (bool &rvar, int cpu)
	Or-wise boolean reduction to specified cpu.
void	ParallelDescriptor::ReduceRealSum (Real &rvar)
	Real sum reduction.
void	ParallelDescriptor::ReduceRealSum (Real &rvar, int cpu)
	Real sum reduction to specified cpu.
void	ParallelDescriptor::ReduceRealMax (Real &rvar)
	Real max reduction.
void	ParallelDescriptor::ReduceRealMax (Real &rvar, int cpu)
	Real max reduction to specified cpu.
void	ParallelDescriptor::ReduceRealMin (Real &rvar)
	Real min reduction.
void	ParallelDescriptor::ReduceRealMin (Real &rvar, int cpu)
	Real min reduction to specified cpu.
void	ParallelDescriptor::ReduceIntSum (int &rvar)
	Integer sum reduction.
void	ParallelDescriptor::ReduceIntSum (int &rvar, int cpu)
	Integer sum reduction to specified cpu.
void	ParallelDescriptor::ReduceIntMax (int &rvar)
	Integer max reduction.
void	ParallelDescriptor::ReduceIntMax (int &rvar, int cpu)
	Integer max reduction to specified cpu.
void	ParallelDescriptor::ReduceIntMin (int &rvar)
	Integer min reduction.
void	ParallelDescriptor::ReduceIntMin (int &rvar, int cpu)
	Integer min reduction to specified cpu.
void	ParallelDescriptor::ReduceLongSum (long &rvar)
	Long sum reduction.
void	ParallelDescriptor::ReduceLongSum (long &rvar, int cpu)
	Long sum reduction to specified cpu.
void	ParallelDescriptor::ReduceLongMax (long &rvar)
	Long max reduction.
void	ParallelDescriptor::ReduceLongMax (long &rvar, int cpu)
	Long max reduction to specified cpu.
void	ParallelDescriptor::ReduceLongMin (long &rvar)
	Long min reduction.
void	ParallelDescriptor::ReduceLongMin (long &rvar, int cpu)
	Long min reduction to specified cpu.
void	ParallelDescriptor::ReduceLongAnd (long &rvar)
	Long and-wise reduction.
void	ParallelDescriptor::ReduceLongAnd (long &rvar, int cpu)
	Long and-wise reduction to specified cpu.
void	ParallelDescriptor::Gather (Real *sendbuf, int sendcount, Real *recvbuf, int root)
	Parallel gather.
int	ParallelDescriptor::SeqNum ()
	Returns sequential message sequence numbers in range 1000-9000.
template<class T>
Message	ParallelDescriptor::Asend (const T *, size_t n, int pid, int tag)
template<class T>
Message	ParallelDescriptor::Asend (const T *, size_t n, int pid, int tag, MPI_Comm comm)
template<class T>
Message	ParallelDescriptor::Asend (const std::vector< T > &buf, int pid, int tag)
template<class T>
Message	ParallelDescriptor::Arecv (T *, size_t n, int pid, int tag)
template<class T>
Message	ParallelDescriptor::Arecv (T *, size_t n, int pid, int tag, MPI_Comm comm)
template<class T>
Message	ParallelDescriptor::Arecv (std::vector< T > &buf, int pid, int tag)
template<class T>
Message	ParallelDescriptor::Send (const T *buf, size_t n, int dst_pid, int tag)
ParallelDescriptor::Message	ParallelDescriptor::Send (const std::vector< size_t > &buf, int dst_pid, int tag)
template<class T>
Message	ParallelDescriptor::Recv (T *, size_t n, int pid, int tag)
ParallelDescriptor::Message	ParallelDescriptor::Recv (std::vector< size_t > &buf, int src_pid, int tag)
ParallelDescriptor::Message	ParallelDescriptor::Recv (std::vector< char > &buf, int src_pid, int tag)
template<class T>
void	ParallelDescriptor::Bcast (T *, size_t n, int root=0)
template<class Op, class T>
T	ParallelDescriptor::Reduce (const T &t)
template<class T, class T1>
void	ParallelDescriptor::Scatter (T *, size_t n, const T1 *, size_t n1, int root)
template<class T, class T1>
void	ParallelDescriptor::Gather (const T *, size_t n, T1 *, size_t n1, int root)
std::vector< size_t >	ParallelDescriptor::Gather (const size_t &t, int root)
void	ParallelDescriptor::Waitsome (Array< MPI_Request > &reqs, int &completed, Array< int > &indx, Array< MPI_Status > &status)
void	ParallelDescriptor::MPI_Error (const char *file, int line, const char *msg, int rc)

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Define Documentation

#define BL_MPI_REQUIRE

(

x

)

Value:

do                                  \
{                                   \
  if ( int l_status_ = (x) )                        \
    {                                   \
      ParallelDescriptor::MPI_Error(__FILE__,__LINE__,#x, l_status_);   \
    }                                   \
}                                   \
while ( false )

Referenced by VisMF::Header::Header(), and VisMF::Write().

---

Function Documentation

std::ostream& operator<<	(	std::ostream &	os,
		const Array< CommData > &	cd
	)

References Array< T >::size().

std::ostream& operator<<	(	std::ostream &	os,
		const CommData &	cd
	)

References CommData::box(), CommData::fabarrayid(), CommData::fabindex(), CommData::face(), CommData::fromproc(), CommData::id(), CommData::nComp(), and CommData::srcComp().