Data Types
type	epetra_mpicomm

Public Member Functions
Constructor Functions
type(epetra_mpicomm) function	epetra_mpicomm (MPI_COMM_WORLD)
	Epetra_MpiComm MPI Constructor. More...

type(epetra_mpicomm) function	epetra_mpicomm (this)
	Epetra_MpiComm Copy Constructor. More...

Barrier Methods
subroutine	barrier (this)
	Epetra_MpiComm Barrier function. More...

Broadcast Methods
subroutine	broadcast (this, MyVals, root, err)
	Epetra_MpiComm Broadcast function. More...

subroutine	broadcast (this, MyVals, root, err)
	Epetra_MpiComm Broadcast function. More...

subroutine	broadcast_long (this, MyVals, root, err)
	Epetra_MpiComm Broadcast function. More...

subroutine	broadcast (this, MyVals, root, err)
	Epetra_MpiComm Broadcast function. More...

GatherAll Methods
subroutine	gatherall (this, MyVals, AllVals, err)
	Epetra_MpiComm All Gather function. More...

subroutine	gatherall (this, MyVals, AllVals, err)
	Epetra_MpiComm All Gather function. More...

subroutine	gather_long (this, MyVals, AllVals, err)
	Epetra_MpiComm All Gather function. More...

Sum Methods
subroutine	sumall (this, PartialSums, GlobalSums, err)
	Epetra_MpiComm Global Summ function. More...

subroutine	sumall (this, PartialSums, GlobalSums, err)
	Epetra_MpiComm Global Summ function. More...

subroutine	sum_long (this, PartialSums, GlobalSums, err)
	Epetra_MpiComm Global Summ function. More...

Max/Min Methods
subroutine	maxall (this, PartialMaxs, GlobalMaxs, err)
	Epetra_MpiComm Global Max function. More...

subroutine	maxall (this, PartialMaxs, GlobalMaxs, err)
	Epetra_MpiComm Global Max function. More...

subroutine	max_long (this, PartialMaxs, GlobalMaxs, err)
	Epetra_MpiComm Global Max function. More...

subroutine	minall (this, PartialMins, GlobalMins, err)
	Epetra_MpiComm Global Min function. More...

subroutine	minall (this, PartialMins, GlobalMins, err)
	Epetra_MpiComm Global Min function. More...

subroutine	min_long (this, PartialMins, GlobalMins, err)
	Epetra_MpiComm Global Min function. More...

Parallel Prefix Methods
subroutine	scansum (this, MyVals, scan_sums, err)
	Epetra_MpiComm Scan Sum function. More...

subroutine	scansum (this, MyVals, scan_sums, err)
	Epetra_MpiComm Scan Sum function. More...

subroutine	scansum_long (this, MyVals, scan_sums, err)
	Epetra_MpiComm Scan Sum function. More...

integer(c_int) function	mypid (this)
	Return my process ID. More...

integer(c_int) function	numproc (this)
	Return my process ID. More...

Member Function/Subroutine Documentation

subroutine fepetra_mpicomm::barrier ( class(epetra_mpicomm), intent(in) this )

Epetra_MpiComm Barrier function.

Causes each processor in the communicator to wait until all processors have arrived. Implements Epetra_Comm.

subroutine fepetra_mpicomm::broadcast	(	class(epetra_mpicomm), intent(in)	this,
		real(c_double), dimension(:), intent(inout)	MyVals,
		integer(c_int), intent(in)	root,
		type(error), intent(inout), optional	err
	)

Epetra_MpiComm Broadcast function.

Takes list of input values from the root processor and sends to all other processors. Implements Epetra_Comm.

Parameters

[in,out]	myvals	InOut On entry, the root processor contains the list of values. On exit, all processors will have the same list of values. Note that values must be allocated on all processor before the broadcast.
[in]	root	In On entry, contains the processor from which all processors will receive a copy of MyVals.
[in,out]	err	Return any error information.

subroutine fepetra_mpicomm::broadcast	(	class(epetra_mpicomm), intent(in)	this,
		integer(c_int), dimension(:), intent(inout)	MyVals,
		integer(c_int), intent(in)	root,
		type(error), intent(inout), optional	err
	)

Epetra_MpiComm Broadcast function.

Takes list of input values from the root processor and sends to all other processors. Implements Epetra_Comm.

Parameters

[in,out]	myvals	InOut On entry, the root processor contains the list of values. On exit, all processors will have the same list of values. Note that values must be allocated on all processor before the broadcast.
[in]	root	In On entry, contains the processor from which all processors will receive a copy of MyVals.
[in,out]	err	Return any error information

subroutine fepetra_mpicomm::broadcast	(	class(epetra_mpicomm), intent(in)	this,
		character(kind=c_char), dimension(:), intent(inout)	MyVals,
		integer(c_int), intent(in)	root,
		type(error), intent(inout), optional	err
	)

Epetra_MpiComm Broadcast function.

Takes list of input values from the root processor and sends to all other processors. Implements Epetra_Comm.

Parameters

[in,out]	myvals	InOut On entry, the root processor contains the list of values. On exit, all processors will have the same list of values. Note that values must be allocated on all processor before the broadcast.
[in]	root	In On entry, contains the processor from which all processors will receive a copy of MyVals.
[in,out]	err	Return any error information.

subroutine fepetra_mpicomm::broadcast_long	(	class(epetra_mpicomm), intent(in)	this,
		integer(c_long), dimension(:), intent(inout)	MyVals,
		integer(c_int), intent(in)	root,
		type(error), intent(inout), optional	err
	)

Epetra_MpiComm Broadcast function.

Takes list of input values from the root processor and sends to all other processors. Implements Epetra_Comm.

Parameters

[in,out]	myvals	InOut On entry, the root processor contains the list of values. On exit, all processors will have the same list of values. Note that values must be allocated on all processor before the broadcast.
[in]	root	In On entry, contains the processor from which all processors will receive a copy of MyVals.
[in,out]	err	Return any error information

type(epetra_mpicomm) function fepetra_mpicomm::epetra_mpicomm ( type(epetra_mpicomm), intent(in) this )

Epetra_MpiComm Copy Constructor.

Makes an exact copy of an existing Epetra_MpiComm instance.

type(epetra_mpicomm) function fepetra_mpicomm::epetra_mpicomm ( MPI_COMM_WORLD )

Epetra_MpiComm MPI Constructor.

Creates a Epetra_MpiComm instance for use with MPI. If no specialized MPI communicator is needed, this constuctor can be called with the argument MPI_COMM_WORLD.

subroutine fepetra_mpicomm::gather_long	(	class(epetra_mpicomm), intent(in)	this,
		integer(c_long), dimension(:), intent(in)	MyVals,
		integer(c_long), dimension(:), intent(inout)	AllVals,
		type(error), intent(inout), optional	err
	)

Epetra_MpiComm All Gather function.

Take list of input values from all processors in the communicator and creates an ordered contiguous list of tho se values on each processor. Implements Epetra_Comm.

Parameters

[in]	myvals	On entry, contains the list of values, to be sent to all processors.
[in,out]	allvals	On exit, contains the list of values from all processors. Must be of size NumProc*size(MyVals).
[in,out]	err	Return any error information.

subroutine fepetra_mpicomm::gatherall	(	class(epetra_mpicomm), intent(in)	this,
		real(c_double), dimension(:), intent(in)	MyVals,
		real(c_double), dimension(:), intent(inout)	AllVals,
		type(error), intent(inout), optional	err
	)

Epetra_MpiComm All Gather function.

Take list of input values from all processors in the communicator and creates an ordered contiguous list of those values on each processor. Implements Epetra_Comm.

Parameters

[in]	myvals	On entry, contains the list of values, to be sent to all processors.
[in,out]	allvals	On exit, contains the list of values from all processors. Must be of size NumProc*size(MyVals).
[in,out]	err	Return any error information.

subroutine fepetra_mpicomm::gatherall	(	class(epetra_mpicomm), intent(in)	this,
		integer(c_int), dimension(:), intent(in)	MyVals,
		integer(c_int), dimension(:), intent(inout)	AllVals,
		type(error), intent(inout), optional	err
	)

Epetra_MpiComm All Gather function.

Take list of input values from all processors in the communicator and creates an ordered contiguous list of tho se values on each processor. Implements Epetra_Comm.

Parameters

[in]	myvals	On entry, contains the list of values, to be sent to all processors.
[in,out]	allvals	On exit, contains the list of values from all processors. Must be of size NumProc*size(MyVals).
[in,out]	err	Return any error information.

subroutine fepetra_mpicomm::max_long	(	class(epetra_mpicomm), intent(in)	this,
		integer(c_long), dimension(:), intent(in)	PartialMaxs,
		integer(c_long), dimension(:), intent(inout)	GlobalMaxs,
		type(error), intent(inout), optional	err
	)

Epetra_MpiComm Global Max function.

Take list of input values from all processors in the communicator, computes the max and returns the max to all processors. Implements Epetra_Comm.

Parameters

[in]	partialmaxs	On entry, contains the list of values, usually partial maxs computed locally, using these Partial Maxs, the max across all processors will be computed.
[in,out]	globalmaxs	On exit, contains the list of maxs computed across all processors.
[in,out]	err	Return any error information.

subroutine fepetra_mpicomm::maxall	(	class(epetra_mpicomm), intent(in)	this,
		real(c_double), dimension(:), intent(in)	PartialMaxs,
		real(c_double), dimension(:), intent(inout)	GlobalMaxs,
		type(error), intent(inout), optional	err
	)

Epetra_MpiComm Global Max function.

Take list of input values from all processors in the communicator, computes the max and returns the max to all processors. Implements Epetra_Comm.

Parameters

[in]	partialmaxs	On entry, contains the list of values, usually partial maxs computed locally, using these Partial Maxs, the max across all processors will be computed.
[in,out]	globalmaxs	On exit, contains the list of maxs computed across all processors.
[in,out]	err	Return any error information.

subroutine fepetra_mpicomm::maxall	(	class(epetra_mpicomm), intent(in)	this,
		integer(c_int), dimension(:), intent(in)	PartialMaxs,
		integer(c_int), dimension(:), intent(inout)	GlobalMaxs,
		type(error), intent(inout), optional	err
	)

Epetra_MpiComm Global Max function.

Take list of input values from all processors in the communicator, computes the max and returns the max to all processors. Implements Epetra_Comm.

Parameters

[in]	partialmaxs	On entry, contains the list of values, usually partial maxs computed locally, using these Partial Maxs, the max across all processors will be computed.
[in,out]	globalmaxs	On exit, contains the list of maxs computed across all processors.
[in,out]	err	Return any error information.

subroutine fepetra_mpicomm::min_long	(	class(epetra_mpicomm), intent(in)	this,
		integer(c_long), dimension(:), intent(in)	PartialMins,
		integer(c_long), dimension(:), intent(inout)	GlobalMins,
		type(error), intent(inout), optional	err
	)

Epetra_MpiComm Global Min function.

Take list of input values from all processors in the communicator, computes the min and returns the min to all processors. Implements Epetra_Comm.

Parameters

[in]	partialmins	On entry, contains the list of values, usually partial mins computed locally; using these Partial Mins, the min across all processors will be computed.
[in,out]	globalmins	On exit, contains the list of mins computed across all processors.
[in,out]	err	Return any error information.

subroutine fepetra_mpicomm::minall	(	class(epetra_mpicomm), intent(in)	this,
		real(c_double), dimension(:), intent(in)	PartialMins,
		real(c_double), dimension(:), intent(inout)	GlobalMins,
		type(error), intent(inout), optional	err
	)

Epetra_MpiComm Global Min function.

Take list of input values from all processors in the communicator, computes the min and returns the min to all processors. Implements Epetra_Comm.

Parameters

[in]	partialmins	On entry, contains the list of values, usually partial mins computed locally; using these Partial Mins, the min across all processors will be computed.
[in,out]	globalmins	On exit, contains the list of mins computed across all processors.
[in,out]	err	Return any error information.

subroutine fepetra_mpicomm::minall	(	class(epetra_mpicomm), intent(in)	this,
		integer(c_int), dimension(:), intent(in)	PartialMins,
		integer(c_int), dimension(:), intent(inout)	GlobalMins,
		type(error), intent(inout), optional	err
	)

Epetra_MpiComm Global Min function.

Take list of input values from all processors in the communicator, computes the min and returns the min to all processors. Implements Epetra_Comm.

Parameters

[in]	partialmins	On entry, contains the list of values, usually partial mins computed locally; using these Partial Mins, the min across all processors will be computed.
[in,out]	globalmins	On exit, contains the list of mins computed across all processors.
[in,out]	err	Return any error information.

integer(c_int) function fepetra_mpicomm::mypid ( class(epetra_mpicomm), intent(in) this )

Return my process ID.

In MPI mode returns the rank of the calling process. In serial mode returns 0. Implements Epetra_Comm.

integer(c_int) function fepetra_mpicomm::numproc ( class(epetra_mpicomm), intent(in) this )

Return my process ID.

Returns total number of processes (always returns 1 for MpiComm). Implements Epetra_Comm.

subroutine fepetra_mpicomm::scansum	(	class(epetra_mpicomm), intent(in)	this,
		real(c_double), dimension(:), intent(in)	MyVals,
		real(c_double), dimension(:), intent(inout)	scan_sums,
		type(error), intent(inout), optional	err
	)

Epetra_MpiComm Scan Sum function.

Take list of input values from all processors in the communicator, computes the scan sum and returns it to all processors such that processor i contains the sum of values from processor 0 up to and including processor i. Implements Epetra_Comm.

Parameters

[in]	myvals	On entry, contains the list of values to be summed across all processors.
[in,out]	scan_sums	On exit, contains the list of values summed across processors 0 through i.
[in,out]	err	Return any error information.

subroutine fepetra_mpicomm::scansum	(	class(epetra_mpicomm), intent(in)	this,
		integer(c_int), dimension(:), intent(in)	MyVals,
		integer(c_int), dimension(:), intent(inout)	scan_sums,
		type(error), intent(inout), optional	err
	)

Epetra_MpiComm Scan Sum function.

Take list of input values from all processors in the communicator, computes the scan sum and returns it to all processors such that processor i contains the sum of values from processor 0 up to and including processor i. Implements Epetra_Comm.

Parameters

[in]	myvals	On entry, contains the list of values to be summed across all processors.
[in,out]	scan_sums	On exit, contains the list of values summed across processors 0 through i.
[in,out]	err	Return any error information.

subroutine fepetra_mpicomm::scansum_long	(	class(epetra_mpicomm), intent(in)	this,
		integer(c_long), dimension(:), intent(in)	MyVals,
		integer(c_long), dimension(:), intent(inout)	scan_sums,
		type(error), intent(inout), optional	err
	)

Epetra_MpiComm Scan Sum function.

Take list of input values from all processors in the communicator, computes the scan sum and returns it to all processors such that processor i contains the sum of values from processor 0 up to and including processor i. Implements Epetra_Comm.

Parameters

[in]	myvals	On entry, contains the list of values to be summed across all processors.
[in,out]	scan_sums	On exit, contains the list of values summed across processors 0 through i.
[in,out]	err	Return any error information.

subroutine fepetra_mpicomm::sum_long	(	class(epetra_mpicomm), intent(in)	this,
		integer(c_long), dimension(:), intent(in)	PartialSums,
		integer(c_long), dimension(:), intent(inout)	GlobalSums,
		type(error), intent(inout), optional	err
	)

Epetra_MpiComm Global Summ function.

Take list of input values from all processors in the communicator, computes the sum and returns the sum to all processors. Implements Epetra_Comm.

Parameters

[in]	partialsums	On entry, contains the list of values, usually partial sums computed locally, to be summed across all processors.
[in,out]	globalsums	On exit, contains the list of values summed across all processors.
[in,out]	err	Return any error information.

subroutine fepetra_mpicomm::sumall	(	class(epetra_mpicomm), intent(in)	this,
		integer(c_int), dimension(:), intent(in)	PartialSums,
		integer(c_int), dimension(:), intent(inout)	GlobalSums,
		type(error), intent(inout), optional	err
	)

Epetra_MpiComm Global Summ function.

Take list of input values from all processors in the communicator, computes the sum and returns the sum to all processors. Implements Epetra_Comm.

Parameters

[in]	partialsums	On entry, contains the list of values, usually partial sums computed locally, to be summed across all processors.
[in,out]	globalsums	On exit, contains the list of values summed across all processors.
[in,out]	err	Return any error information.

subroutine fepetra_mpicomm::sumall	(	class(epetra_mpicomm), intent(in)	this,
		real(c_double), dimension(:), intent(in)	PartialSums,
		real(c_double), dimension(:), intent(inout)	GlobalSums,
		type(error), intent(inout), optional	err
	)

Epetra_MpiComm Global Summ function.

Take list of input values from all processors in the communicator, computes the sum and returns the sum to all processors. Implements Epetra_Comm.

Parameters

[in]	partialsums	On entry, contains the list of values, usually partial sums computed locally, to be summed across all processors.
[in,out]	globalsums	On exit, contains the list of values summed across all processors.
[in,out]	err	Return any error information.

The documentation for this module was generated from the following file:

http://trilinos.org/docs/dev/packages/ForTrilinos/src/doc/epetra/FEpetra_MpiComm.f90

Data Types

Public Member Functions

Member Function/Subroutine Documentation