Function t8_cmesh_offset_half(t8_cmesh_t, sc_MPI_Comm)

• Defined in File t8_cmesh_partition.h

Function Documentation

t8_shmem_array_t t8_cmesh_offset_half(t8_cmesh_t cmesh, sc_MPI_Comm comm)

Create a repartition array, where each process sends half of its trees to the next process. The last process does not send any trees.

Note

This function is MPI collective.

Parameters:

• cmesh – [in] A cmesh that is committed and partitioned.

• comm – [in] A valid MPI communicator for cmesh.

Returns:

A shared memory offset array storing the new offsets. Its associated communicator is comm.