Have replay always use shared buffers instead of allocating new ones, even inside...

[simgrid.git] / src / smpi / colls / reduce-arrival-pattern-aware.c

diff --git a/src/smpi/colls/reduce-arrival-pattern-aware.c b/src/smpi/colls/reduce-arrival-pattern-aware.c
index 0182a6b..e528e9a 100644 (file)
--- a/src/smpi/colls/reduce-arrival-pattern-aware.c
+++ b/src/smpi/colls/reduce-arrival-pattern-aware.c
@@ -1,4 +1,10 @@
-#include "colls.h"
+/* 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"
 //#include <star-reduction.c>
 
 int reduce_arrival_pattern_aware_segment_size_in_byte = 8192;
@@ -18,10 +24,8 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
                                                  MPI_Op op, int root,
                                                  MPI_Comm comm)
 {
-  int rank;
-  MPI_Comm_rank(comm, &rank);
-
-  int tag = 50;
+  int rank = smpi_comm_rank(comm);
+  int tag = -COLL_TAG_REDUCE;
   MPI_Status status;
   MPI_Request request;
   MPI_Request *send_request_array;
@@ -31,7 +35,7 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
 
   MPI_Status temp_status_array[MAX_NODE];
 
-  int size;
+  int size = smpi_comm_size(comm);
   int i;
 
   int sent_count;
@@ -42,16 +46,12 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
   int header_buf[HEADER_SIZE];
   char temp_buf[MAX_NODE];
 
-  MPI_Aint extent;
-  MPI_Type_extent(datatype, &extent);
+  MPI_Aint extent, lb;
+  smpi_datatype_extent(datatype, &lb, &extent);
 
   /* source and destination */
   int to, from;
 
-  MPI_Comm_rank(MPI_COMM_WORLD, &rank);
-  MPI_Comm_size(MPI_COMM_WORLD, &size);
-
-
   /* segment is segment size in number of elements (not bytes) */
   int segment = reduce_arrival_pattern_aware_segment_size_in_byte / extent;
 
@@ -72,9 +72,9 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
   }
 
   char *tmp_buf;
-  tmp_buf = (char *) malloc(count * extent);
+  tmp_buf = (char *) smpi_get_tmp_sendbuffer(count * extent);
 
-  MPI_Sendrecv(buf, count, datatype, rank, tag, rbuf, count, datatype, rank,
+  smpi_mpi_sendrecv(buf, count, datatype, rank, tag, rbuf, count, datatype, rank,
                tag, comm, &status);
 
 
@@ -88,9 +88,11 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
       while (sent_count < (size - 1)) {
 
         for (i = 1; i < size; i++) {
-          if (already_received[i] == 0)
-            MPI_Iprobe(i, MPI_ANY_TAG, MPI_COMM_WORLD, &flag_array[i],
-                       MPI_STATUSES_IGNORE);
+          if (already_received[i] == 0) {
+            smpi_mpi_iprobe(i, MPI_ANY_TAG, comm, &flag_array[i],
+                             MPI_STATUSES_IGNORE);
+            simcall_process_sleep(0.0001);
+            }
         }
 
         header_index = 0;
@@ -101,7 +103,7 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
 
           /* 1-byte message arrive */
           if ((flag_array[i] == 1) && (already_received[i] == 0)) {
-            MPI_Recv(temp_buf, 1, MPI_CHAR, i, tag, MPI_COMM_WORLD, &status);
+            smpi_mpi_recv(temp_buf, 1, MPI_CHAR, i, tag, comm, &status);
             header_buf[header_index] = i;
             header_index++;
             sent_count++;
@@ -125,9 +127,9 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
           to = header_buf[0];
           from = header_buf[header_index - 1];
 
-          MPI_Send(header_buf, HEADER_SIZE, MPI_INT, to, tag, comm);
-          MPI_Recv(tmp_buf, count, datatype, from, tag, comm, &status);
-          star_reduction(op, tmp_buf, rbuf, &count, &datatype);
+          smpi_mpi_send(header_buf, HEADER_SIZE, MPI_INT, to, tag, comm);
+          smpi_mpi_recv(tmp_buf, count, datatype, from, tag, comm, &status);
+          smpi_op_apply(op, tmp_buf, rbuf, &count, &datatype);
         }
       }                         /* while loop */
     }
@@ -137,12 +139,12 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
     else {
 
       /* send 1-byte message to root */
-      MPI_Send(temp_buf, 1, MPI_CHAR, 0, tag, comm);
+      smpi_mpi_send(temp_buf, 1, MPI_CHAR, 0, tag, comm);
 
       /* wait for header and data, forward when required */
-      MPI_Recv(header_buf, HEADER_SIZE, MPI_INT, MPI_ANY_SOURCE, tag, comm,
+      smpi_mpi_recv(header_buf, HEADER_SIZE, MPI_INT, MPI_ANY_SOURCE, tag, comm,
                &status);
-      //      MPI_Recv(buf,count,datatype,MPI_ANY_SOURCE,tag,comm,&status);
+      //      smpi_mpi_recv(buf,count,datatype,MPI_ANY_SOURCE,tag,comm,&status);
 
       /* search for where it is */
       int myordering = 0;
@@ -152,7 +154,7 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
 
       /* forward header */
       if (header_buf[myordering + 1] != -1) {
-        MPI_Send(header_buf, HEADER_SIZE, MPI_INT, header_buf[myordering + 1],
+          smpi_mpi_send(header_buf, HEADER_SIZE, MPI_INT, header_buf[myordering + 1],
                  tag, comm);
       }
       //printf("node %d ordering %d\n",rank,myordering);
@@ -166,7 +168,7 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
         } else {
           to = header_buf[myordering + 1];
         }
-        MPI_Send(rbuf, count, datatype, to, tag, comm);
+        smpi_mpi_send(rbuf, count, datatype, to, tag, comm);
       }
 
       /* recv, reduce, send */
@@ -177,10 +179,9 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
           to = header_buf[myordering + 1];
         }
         from = header_buf[myordering - 1];
-        MPI_Recv(tmp_buf, count, datatype, header_buf[myordering - 1], tag,
-                 comm, &status);
-        star_reduction(op, tmp_buf, rbuf, &count, &datatype);
-        MPI_Send(rbuf, count, datatype, to, tag, comm);
+        smpi_mpi_recv(tmp_buf, count, datatype, from, tag, comm, &status);
+        smpi_op_apply(op, tmp_buf, rbuf, &count, &datatype);
+        smpi_mpi_send(rbuf, count, datatype, to, tag, comm);
       }
     }                           /* non-root */
   }
@@ -189,13 +190,13 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
     //    printf("node %d start\n",rank);
 
     send_request_array =
-        (MPI_Request *) malloc((size + pipe_length) * sizeof(MPI_Request));
+        (MPI_Request *) xbt_malloc((size + pipe_length) * sizeof(MPI_Request));
     recv_request_array =
-        (MPI_Request *) malloc((size + pipe_length) * sizeof(MPI_Request));
+        (MPI_Request *) xbt_malloc((size + pipe_length) * sizeof(MPI_Request));
     send_status_array =
-        (MPI_Status *) malloc((size + pipe_length) * sizeof(MPI_Status));
+        (MPI_Status *) xbt_malloc((size + pipe_length) * sizeof(MPI_Status));
     recv_status_array =
-        (MPI_Status *) malloc((size + pipe_length) * sizeof(MPI_Status));
+        (MPI_Status *) xbt_malloc((size + pipe_length) * sizeof(MPI_Status));
 
     if (rank == 0) {
       sent_count = 0;
@@ -212,11 +213,11 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
             //if (i == rank)
             //continue;
             if ((already_received[i] == 0) && (will_send[i] == 0)) {
-              MPI_Iprobe(i, MPI_ANY_TAG, MPI_COMM_WORLD, &flag_array[i],
+                smpi_mpi_iprobe(i, MPI_ANY_TAG, comm, &flag_array[i],
                          &temp_status_array[i]);
               if (flag_array[i] == 1) {
                 will_send[i] = 1;
-                MPI_Recv(&temp_buf[i], 1, MPI_CHAR, i, tag, MPI_COMM_WORLD,
+                smpi_mpi_recv(&temp_buf[i], 1, MPI_CHAR, i, tag, comm,
                          &status);
                 //printf("recv from %d\n",i);
                 i = 1;
@@ -248,14 +249,14 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
           to = header_buf[0];
 
           /* send header */
-          MPI_Send(header_buf, HEADER_SIZE, MPI_INT, to, tag, comm);
+          smpi_mpi_send(header_buf, HEADER_SIZE, MPI_INT, to, tag, comm);
 
           /* recv data - pipeline */
           from = header_buf[header_index - 1];
           for (i = 0; i < pipe_length; i++) {
-            MPI_Recv(tmp_buf + (i * increment), segment, datatype, from, tag,
+            smpi_mpi_recv(tmp_buf + (i * increment), segment, datatype, from, tag,
                      comm, &status);
-            star_reduction(op, tmp_buf + (i * increment),
+            smpi_op_apply(op, tmp_buf + (i * increment),
                            (char *)rbuf + (i * increment), &segment, &datatype);
           }
         }
@@ -266,13 +267,12 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
     /* none root */
     else {
       /* send 1-byte message to root */
-      MPI_Send(temp_buf, 1, MPI_CHAR, 0, tag, comm);
+      smpi_mpi_send(temp_buf, 1, MPI_CHAR, 0, tag, comm);
 
 
       /* wait for header forward when required */
-      MPI_Irecv(header_buf, HEADER_SIZE, MPI_INT, MPI_ANY_SOURCE, tag, comm,
-                &request);
-      MPI_Wait(&request, MPI_STATUS_IGNORE);
+      request=smpi_mpi_irecv(header_buf, HEADER_SIZE, MPI_INT, MPI_ANY_SOURCE, tag, comm);
+      smpi_mpi_wait(&request, MPI_STATUS_IGNORE);
 
       /* search for where it is */
       int myordering = 0;
@@ -283,7 +283,7 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
 
       /* send header when required */
       if (header_buf[myordering + 1] != -1) {
-        MPI_Send(header_buf, HEADER_SIZE, MPI_INT, header_buf[myordering + 1],
+          smpi_mpi_send(header_buf, HEADER_SIZE, MPI_INT, header_buf[myordering + 1],
                  tag, comm);
       }
 
@@ -297,27 +297,24 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
       /* send only */
       if (myordering == 0) {
         for (i = 0; i < pipe_length; i++) {
-          MPI_Isend((char *)rbuf + (i * increment), segment, datatype, to, tag, comm,
-                    &send_request_array[i]);
+            send_request_array[i]= smpi_mpi_isend((char *)rbuf + (i * increment), segment, datatype, to, tag, comm);
         }
-        MPI_Waitall((pipe_length), send_request_array, send_status_array);
+        smpi_mpi_waitall((pipe_length), send_request_array, send_status_array);
       }
 
       /* receive, reduce, and send */
       else {
         from = header_buf[myordering - 1];
         for (i = 0; i < pipe_length; i++) {
-          MPI_Irecv(tmp_buf + (i * increment), segment, datatype, from, tag,
-                    comm, &recv_request_array[i]);
+          recv_request_array[i]=smpi_mpi_irecv(tmp_buf + (i * increment), segment, datatype, from, tag, comm);
         }
         for (i = 0; i < pipe_length; i++) {
-          MPI_Wait(&recv_request_array[i], MPI_STATUS_IGNORE);
-          star_reduction(op, tmp_buf + (i * increment), (char *)rbuf + (i * increment),
+          smpi_mpi_wait(&recv_request_array[i], MPI_STATUS_IGNORE);
+          smpi_op_apply(op, tmp_buf + (i * increment), (char *)rbuf + (i * increment),
                          &segment, &datatype);
-          MPI_Isend((char *)rbuf + (i * increment), segment, datatype, to, tag, comm,
-                    &send_request_array[i]);
+          send_request_array[i]=smpi_mpi_isend((char *)rbuf + (i * increment), segment, datatype, to, tag, comm);
         }
-        MPI_Waitall((pipe_length), send_request_array, send_status_array);
+        smpi_mpi_waitall((pipe_length), send_request_array, send_status_array);
       }
     }                           /* non-root */
 
@@ -338,21 +335,21 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
    */
   if (root != 0) {
     if (rank == 0) {
-      MPI_Send(rbuf, count, datatype, root, tag, comm);
+      smpi_mpi_send(rbuf, count, datatype, root, tag, comm);
     } else if (rank == root) {
-      MPI_Recv(rbuf, count, datatype, 0, tag, comm, &status);
+      smpi_mpi_recv(rbuf, count, datatype, 0, tag, comm, &status);
     }
   }
 
 
   /* when count is not divisible by block size, use default BCAST for the remainder */
   if ((remainder != 0) && (count > segment)) {
-    MPI_Reduce((char *)buf + (pipe_length * increment),
+    smpi_mpi_reduce((char *)buf + (pipe_length * increment),
               (char *)rbuf + (pipe_length * increment), remainder, datatype, op, root,
                comm);
   }
 
-  free(tmp_buf);
+  smpi_free_tmp_buffer(tmp_buf);
 
   return MPI_SUCCESS;
 }