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Move collective algorithms to separate folders
[simgrid.git] / src / smpi / colls / bcast-flattree-pipeline.cpp
diff --git a/src/smpi/colls/bcast-flattree-pipeline.cpp b/src/smpi/colls/bcast-flattree-pipeline.cpp
deleted file mode 100644 (file)
index 21e247e..0000000
+++ /dev/null
@@ -1,63 +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"
-
-int flattree_segment_in_byte = 8192;
-
-int
-smpi_coll_tuned_bcast_flattree_pipeline(void *buff, int count,
-                                        MPI_Datatype data_type, int root,
-                                        MPI_Comm comm)
-{
-  int i, j, rank, num_procs;
-  int tag = COLL_TAG_BCAST;
-
-  MPI_Aint extent;
-  extent = data_type->get_extent();
-
-  int segment = flattree_segment_in_byte / extent;
-  segment =  segment == 0 ? 1 :segment; 
-  int pipe_length = count / segment;
-  int increment = segment * extent;
-  if (pipe_length==0) {
-    XBT_WARN("MPI_bcast_flattree_pipeline use default MPI_bcast_flattree.");
-    return smpi_coll_tuned_bcast_flattree(buff, count, data_type, root, comm);
-  }
-  rank = comm->rank();
-  num_procs = comm->size();
-
-  MPI_Request *request_array;
-  MPI_Status *status_array;
-
-  request_array = (MPI_Request *) xbt_malloc(pipe_length * sizeof(MPI_Request));
-  status_array = (MPI_Status *) xbt_malloc(pipe_length * sizeof(MPI_Status));
-
-  if (rank != root) {
-    for (i = 0; i < pipe_length; i++) {
-      request_array[i] = Request::irecv((char *)buff + (i * increment), segment, data_type, root, tag, comm);
-    }
-    Request::waitall(pipe_length, request_array, status_array);
-  }
-
-  else {
-    // Root sends data to all others
-    for (j = 0; j < num_procs; j++) {
-      if (j == rank)
-        continue;
-      else {
-        for (i = 0; i < pipe_length; i++) {
-          Request::send((char *)buff + (i * increment), segment, data_type, j, tag, comm);
-        }
-      }
-    }
-
-  }
-
-  free(request_array);
-  free(status_array);
-  return MPI_SUCCESS;
-}