UPstreamWrapping.H File Reference

Functions to wrap MPI_Bcast, MPI_Allreduce, MPI_Iallreduce etc. More...

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Classes
struct	Request

Namespaces
	Foam
	Namespace for OpenFOAM.
	Foam::PstreamDetail
	Implementation details for UPstream/Pstream/MPI etc.

Functions
template<class Type >
void	broadcast0 (Type *values, int count, MPI_Datatype datatype, const label comm)
template<class Type >
void	reduce0 (Type *values, int count, MPI_Datatype datatype, MPI_Op optype, const label comm)
template<class Type >
void	allReduce (Type *values, int count, MPI_Datatype datatype, MPI_Op optype, const label comm, UPstream::Request *req=nullptr, label *requestID=nullptr)
template<class Type >
void	allToAll (const UList< Type > &sendData, UList< Type > &recvData, MPI_Datatype datatype, const label comm, UPstream::Request *req=nullptr, label *requestID=nullptr)
template<class Type >
void	allToAllv (const Type *sendData, const UList< int > &sendCounts, const UList< int > &sendOffsets, Type *recvData, const UList< int > &recvCounts, const UList< int > &recvOffsets, MPI_Datatype datatype, const label comm, UPstream::Request *req=nullptr, label *requestID=nullptr)
template<class Type >
void	allToAllConsensus (const UList< Type > &sendData, UList< Type > &recvData, MPI_Datatype datatype, const int tag, const label comm)
template<class Type >
void	allToAllConsensus (const Map< Type > &sendData, Map< Type > &recvData, MPI_Datatype datatype, const int tag, const label comm)
template<class Type >
void	gather (const Type *sendData, Type *recvData, int count, MPI_Datatype datatype, const label comm, UPstream::Request *req=nullptr, label *requestID=nullptr)
template<class Type >
void	scatter (const Type *sendData, Type *recvData, int count, MPI_Datatype datatype, const label comm, UPstream::Request *req=nullptr, label *requestID=nullptr)
template<class Type >
void	gatherv (const Type *sendData, int sendCount, Type *recvData, const UList< int > &recvCounts, const UList< int > &recvOffsets, MPI_Datatype datatype, const label comm, UPstream::Request *req=nullptr, label *requestID=nullptr)
template<class Type >
void	scatterv (const Type *sendData, const UList< int > &sendCounts, const UList< int > &sendOffsets, Type *recvData, int recvCount, MPI_Datatype datatype, const label comm, UPstream::Request *req=nullptr, label *requestID=nullptr)
template<class Type >
void	allGather (Type *allData, int count, MPI_Datatype datatype, const label comm, UPstream::Request *req=nullptr, label *requestID=nullptr)

Detailed Description

Functions to wrap MPI_Bcast, MPI_Allreduce, MPI_Iallreduce etc.

Original source file UPstreamWrapping.H

InNamespace Foam::PstreamDetail

Source files

• UPstreamWrapping.H
• UPstreamWrappingTemplates.C

Definition in file UPstreamWrapping.H.