| void Impala::Core::Array::Pattern::PxInitCommunication | ( | ) | [inline] |
Definition at line 237 of file PxDistribution.h.
References INIT_TAG, PxMyDownCPU(), and PxMyUpCPU().
00238 { 00239 char dummy; 00240 MPI_Status stat; 00241 00242 /*** Send up and receive down ***/ 00243 00244 if (PxMyUpCPU() != -1) { 00245 MPI_Send(&dummy, 1, MPI_BYTE, 00246 PxMyUpCPU(), INIT_TAG, MPI_COMM_WORLD); 00247 } 00248 if (PxMyDownCPU() != -1) { 00249 MPI_Recv(&dummy, 1, MPI_BYTE, 00250 PxMyDownCPU(), INIT_TAG, MPI_COMM_WORLD, &stat); 00251 00252 /*** Send down and receive up ***/ 00253 00254 MPI_Send(&dummy, 1, MPI_BYTE, 00255 PxMyDownCPU(), INIT_TAG, MPI_COMM_WORLD); 00256 } 00257 if (PxMyUpCPU() != -1) { 00258 MPI_Recv(&dummy, 1, MPI_BYTE, 00259 PxMyUpCPU(), INIT_TAG, MPI_COMM_WORLD, &stat); 00260 } 00261 }
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