Move collective algorithms to separate folders

[simgrid.git] / src / smpi / colls / alltoall-ring.cpp

diff --git a/src/smpi/colls/alltoall-ring.cpp b/src/smpi/colls/alltoall-ring.cpp
deleted file mode 100644 (file)
index 34138e8..0000000
--- a/src/smpi/colls/alltoall-ring.cpp
+++ /dev/null
@@ -1,59 +0,0 @@
-/* Copyright (c) 2013-2014. The SimGrid Team.
- * All rights reserved.                                                     */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#include "colls_private.h"
-/*****************************************************************************
-
- * Function: alltoall_ring
-
- * Return: int
-
- * Inputs:
-    send_buff: send input buffer
-    send_count: number of elements to send
-    send_type: data type of elements being sent
-    recv_buff: receive output buffer
-    recv_count: number of elements to received
-    recv_type: data type of elements being received
-    comm: communicator
-
- * Descrp: Function works in P - 1 steps. In step i, node j - i -> j -> j + i.
-
- * Auther: Ahmad Faraj
-
- ****************************************************************************/
-int
-smpi_coll_tuned_alltoall_ring(void *send_buff, int send_count,
-                              MPI_Datatype send_type, void *recv_buff,
-                              int recv_count, MPI_Datatype recv_type,
-                              MPI_Comm comm)
-{
-  MPI_Status s;
-  MPI_Aint send_chunk, recv_chunk;
-  int i, src, dst, rank, num_procs;
-  int tag = COLL_TAG_ALLTOALL;
-
-  char *send_ptr = (char *) send_buff;
-  char *recv_ptr = (char *) recv_buff;
-
-  rank = comm->rank();
-  num_procs = comm->size();
-  send_chunk = send_type->get_extent();
-  recv_chunk = recv_type->get_extent();
-
-  send_chunk *= send_count;
-  recv_chunk *= recv_count;
-
-  for (i = 0; i < num_procs; i++) {
-    src = (rank - i + num_procs) % num_procs;
-    dst = (rank + i) % num_procs;
-
-    Request::sendrecv(send_ptr + dst * send_chunk, send_count, send_type, dst,
-                 tag, recv_ptr + src * recv_chunk, recv_count, recv_type,
-                 src, tag, comm, &s);
-  }
-  return MPI_SUCCESS;
-}