X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/8a9af89e44c0f7f2f648d402e89a26799910ee31..40616078da72e823931c1fb884949054699ec39d:/src/smpi/colls/allgather-loosely-lr.cpp

diff --git a/src/smpi/colls/allgather-loosely-lr.cpp b/src/smpi/colls/allgather-loosely-lr.cpp
deleted file mode 100644
index 5bc889ea0b..0000000000
--- a/src/smpi/colls/allgather-loosely-lr.cpp
+++ /dev/null
@@ -1,133 +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 smpi_coll_tuned_allgather_loosely_lr(void *sbuf, int scount,
-                                         MPI_Datatype stype, void *rbuf,
-                                         int rcount, MPI_Datatype rtype,
-                                         MPI_Comm comm)
-{
-  int comm_size, rank;
-  int tag = COLL_TAG_ALLGATHER;
-  int i, j, send_offset, recv_offset;
-  int intra_rank, inter_rank, inter_comm_size, intra_comm_size;
-  int inter_dst, inter_src;
-
-  comm_size = comm->size();
-
-if(comm->get_leaders_comm()==MPI_COMM_NULL){
-    comm->init_smp();
-  }
-  int num_core=1;
-  if (comm->is_uniform()){
-    num_core = comm->get_intra_comm()->size();
-  }
-
-  if(comm_size%num_core)
-    THROWF(arg_error,0, "allgather loosely lr algorithm can't be used with non multiple of NUM_CORE=%d number of processes ! ",num_core);
-
-  rank = comm->rank();
-  MPI_Aint rextent, sextent;
-  rextent = rtype->get_extent();
-  sextent = stype->get_extent();
-  MPI_Request inter_rrequest;
-  MPI_Request rrequest_array[128];
-  MPI_Request srequest_array[128];
-  MPI_Request inter_srequest_array[128];
-
-
-  int rrequest_count = 0;
-  int srequest_count = 0;
-  int inter_srequest_count = 0;
-
-  MPI_Status status;
-
-  intra_rank = rank % num_core;
-  inter_rank = rank / num_core;
-  inter_comm_size = (comm_size + num_core - 1) / num_core;
-  intra_comm_size = num_core;
-
-  int src_seg, dst_seg;
-
-  //copy corresponding message from sbuf to rbuf
-  recv_offset = rank * rextent * rcount;
-  Request::sendrecv(sbuf, scount, stype, rank, tag,
-               (char *)rbuf + recv_offset, rcount, rtype, rank, tag, comm, &status);
-
-  int dst, src;
-  int inter_send_offset, inter_recv_offset;
-
-  rrequest_count = 0;
-  srequest_count = 0;
-  inter_srequest_count = 0;
-
-  for (i = 0; i < inter_comm_size; i++) {
-
-    // inter_communication
-
-    inter_dst = (rank + intra_comm_size) % comm_size;
-    inter_src = (rank - intra_comm_size + comm_size) % comm_size;
-
-    src_seg =
-        ((inter_rank - 1 - i +
-          inter_comm_size) % inter_comm_size) * intra_comm_size + intra_rank;
-    dst_seg =
-        ((inter_rank - i +
-          inter_comm_size) % inter_comm_size) * intra_comm_size + intra_rank;
-
-    inter_send_offset = dst_seg * sextent * scount;
-    inter_recv_offset = src_seg * rextent * rcount;
-
-    for (j = 0; j < intra_comm_size; j++) {
-
-      // inter communication
-      if (intra_rank == j) {
-        if (i != inter_comm_size - 1) {
-
-          inter_rrequest = Request::irecv((char *)rbuf + inter_recv_offset, rcount, rtype,
-	                                  inter_src, tag, comm);
-          inter_srequest_array[inter_srequest_count++] = Request::isend((char *)rbuf + inter_send_offset, scount, stype,
-			                                                inter_dst, tag, comm);
-        }
-      }
-      //intra_communication
-      src = inter_rank * intra_comm_size + j;
-      dst = inter_rank * intra_comm_size + j;
-
-      src_seg =
-          ((inter_rank - i +
-            inter_comm_size) % inter_comm_size) * intra_comm_size + j;
-      dst_seg =
-          ((inter_rank - i +
-            inter_comm_size) % inter_comm_size) * intra_comm_size + intra_rank;
-
-      send_offset = dst_seg * sextent * scount;
-      recv_offset = src_seg * rextent * rcount;
-
-
-      if (j != intra_rank) {
-
-        rrequest_array[rrequest_count++] = Request::irecv((char *)rbuf + recv_offset, rcount, rtype, src, tag, comm);
-        srequest_array[srequest_count++] = Request::isend((char *)rbuf + send_offset, scount, stype, dst, tag, comm);
-
-      }
-    }                           // intra loop
-
-
-    // wait for inter communication to finish for these rounds (# of round equals num_core)
-    if (i != inter_comm_size - 1) {
-      Request::wait(&inter_rrequest, &status);
-    }
-
-  }                             //inter loop
-
-  Request::waitall(rrequest_count, rrequest_array, MPI_STATUSES_IGNORE);
-  Request::waitall(srequest_count, srequest_array, MPI_STATUSES_IGNORE);
-  Request::waitall(inter_srequest_count, inter_srequest_array, MPI_STATUSES_IGNORE);
-
-  return MPI_SUCCESS;
-}