MPI_Op op, int root, MPI_Comm comm)
{
MPI_Status status;
- int comm_size, rank, type_size, pof2, rem, newrank;
+ int comm_size, rank, pof2, rem, newrank;
int mask, *cnts, *disps, i, j, send_idx = 0;
int recv_idx, last_idx = 0, newdst;
int dst, send_cnt, recv_cnt, newroot, newdst_tree_root;
comm_size = smpi_comm_size(comm);
extent = smpi_datatype_get_extent(datatype);
- type_size = smpi_datatype_size(datatype);
/* find nearest power-of-two less than or equal to comm_size */
pof2 = 1;
send_ptr = (void *) xbt_malloc(new_count * extent);
recv_ptr = (void *) xbt_malloc(new_count * extent);
tmp_buf = (void *) xbt_malloc(new_count * extent);
- memcpy(send_ptr, sendbuf, extent * new_count);
+ memcpy(send_ptr, sendbuf, extent * count);
//if ((rank != root))
smpi_mpi_sendrecv(send_ptr, new_count, datatype, rank, tag,