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Namespaces | |
| Foam::PstreamGlobals | |
| Global functions and variables for working with parallel streams, but principally for MPI. | |
| Foam | |
| Namespace for OpenFOAM. | |
Typedefs | |
| typedef Foam::FixedList< int, 17 > | DataTypeCountLookupTable |
| typedef Foam::FixedList< MPI_Datatype, 17 > | DataTypeLookupTable |
| typedef Foam::FixedList< MPI_Op, 13 > | OpCodesLookupTable |
Functions | |
| void | initCommunicator (const label index) |
| Initialize bookkeeping for MPI communicator index. More... | |
| void | checkCommunicator (int comm, int rank) |
| Fatal if communicator is outside the allocated range. More... | |
| bool | warnCommunicator (int comm) noexcept |
| True if warn communicator is active and not equal to given communicator. More... | |
| void | initDataTypes () |
| Create mapping into MPIdataTypes_ and define user data types. More... | |
| void | deinitDataTypes () |
| Free any user data types. More... | |
| bool | checkDataTypes () |
| Debugging only: check if data type mappings are non-null. More... | |
| void | printDataTypes (bool all=false) |
| Debugging only: print data type names (all or just user-defined) More... | |
| MPI_Datatype | getDataType (UPstream::dataTypes id) |
| Lookup of dataTypes enumeration as an MPI_Datatype. More... | |
| void | checkDataType (UPstream::dataTypes id) |
| Fatal if data type is not valid. More... | |
| std::string | dataType_name (MPI_Datatype datatype) |
| Return MPI internal name for specified MPI_Datatype. More... | |
| std::string | dataType_name (UPstream::dataTypes id) |
| Return MPI internal name for dataTypes enumeration. More... | |
| void | initOpCodes () |
| Create mapping into MPIopCodes_. More... | |
| void | deinitOpCodes () |
| Free any user-defined op codes. More... | |
| bool | checkOpCodes () |
| Debugging only: check if op code mappings are non-null. More... | |
| MPI_Op | getOpCode (UPstream::opCodes id) |
| Lookup of opCodes enumeration as an MPI_Op. More... | |
| void | checkOpCode (UPstream::opCodes id) |
| Fatal if opcode is not valid. More... | |
| void | reset_request (UPstream::Request *req) noexcept |
| Reset UPstream::Request to MPI_REQUEST_NULL. More... | |
| void | push_request (MPI_Request request, UPstream::Request *req=nullptr) |
| Transcribe MPI_Request to UPstream::Request (does not affect the stack of outstanding requests) or else push onto list of outstanding requests. More... | |
| bool | broadcast_int64 (int64_t &value, int comm) |
| Broadcast a single int64 value. More... | |
Variables | |
| DynamicList< bool > | pendingMPIFree_ |
| DynamicList< MPI_Comm > | MPICommunicators_ |
| DynamicList< MPI_Request > | outstandingRequests_ |
| Outstanding non-blocking operations. More... | |
| DataTypeCountLookupTable | dataTypesCount_ |
| Fundamental count for each valid UPstream::dataTypes entry Indexed by UPstream::dataTypes enum. More... | |
| DataTypeLookupTable | MPIdataTypes_ |
| MPI data types corresponding to fundamental and OpenFOAM types. Indexed by UPstream::dataTypes enum. More... | |
| OpCodesLookupTable | MPIopCodes_ |
| MPI operation types, indexed by UPstream::opCodes enum. More... | |
Original source file PstreamGlobals.H
Definition in file PstreamGlobals.H.
1.8.14 