fpmas::io::Reduce< T, BinaryOp, Mpi >::Single Class Reference

#include <output.h>

Public Member Functions
	Single (api::communication::MpiCommunicator &comm, int root, const Watcher< T > &watcher, const Params &)
T	operator() ()

Detailed Description

template<typename T, typename BinaryOp = std::plus<T>, template< typename > class Mpi = communication::TypedMpi>
class fpmas::io::Reduce< T, BinaryOp, Mpi >::Single

Single mode for the Reduce operation.

Result is gathered only at root.

Constructor & Destructor Documentation

Single()

template<typename T , typename BinaryOp = std::plus<T>, template< typename > class Mpi = communication::TypedMpi>

fpmas::io::Reduce< T, BinaryOp, Mpi >::Single::Single ( api::communication::MpiCommunicator &  comm, int  root, const Watcher< T > &  watcher, const Params &    )

inline

Reduce::Single constructor.

Parameters

comm	MPI communicator
root	rank of the process where data is fetched
watcher	local watcher

Member Function Documentation

operator()()

template<typename T , typename BinaryOp = std::plus<T>, template< typename > class Mpi = communication::TypedMpi>

T fpmas::io::Reduce< T, BinaryOp, Mpi >::Single::operator() ( )

inline

Applies the fpmas::communication::reduce() operation on data returned by watcher().

Reduced data is returned at root. On other processes, the local data returned by watcher() is returned.

Returns

fetched data

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

• src/fpmas/io/output.h