Updated congestion control in dragonfly: now messages are saved in a waiting...

Updated congestion control in dragonfly: now messages are saved in a waiting list at the routers in case of buffer overflows

codes/net/dragonfly.h

@@ -16,7 +16,6 @@ struct terminal_message
 {
   /* magic number */
   int magic;
-
   /* flit travel start time*/
   tw_stime travel_start_time;
  /* packet ID of the flit  */
@@ -78,6 +77,9 @@ struct terminal_message
 
   /* LP ID of the sending node, has to be a network node in the dragonfly */
    tw_lpid sender_node;
+
+   /* for reverse computation */
+   struct pending_router_msgs * saved_elem; 
 };
 
 #endif /* end of include guard: DRAGONFLY_H */

tests/conf/modelnet-p2p-bw-loggp.conf

@@ -10,7 +10,7 @@ LPGROUPS
 PARAMS
 {
    packet_size="2147483648";
-   message_size="280";
+   message_size="312";
    modelnet_order=( "loggp" );
    # scheduler options
    modelnet_scheduler="fcfs";

tests/conf/modelnet-prio-sched-test.conf

@@ -10,7 +10,7 @@ LPGROUPS
 PARAMS
 {
    packet_size="512";
-   message_size="280";
+   message_size="312";
    modelnet_order=( "simplenet" );
    # scheduler options
    modelnet_scheduler="priority";

tests/conf/modelnet-test-dragonfly.conf

@@ -18,12 +18,12 @@ PARAMS
    # modelnet_scheduler="round-robin";
    num_vcs="1";
    num_routers="4";
-   local_vc_size="32768";
-   global_vc_size="65536";
-   cn_vc_size="32768";
+   local_vc_size="2048";
+   global_vc_size="8192";
+   cn_vc_size="512";
    local_bandwidth="5.25";
    global_bandwidth="4.7";
    cn_bandwidth="5.25";
-   message_size="304";
+   message_size="312";
    routing="minimal";
 }

tests/conf/modelnet-test-loggp.conf

@@ -9,7 +9,7 @@ LPGROUPS
 }
 PARAMS
 {
-   message_size="304";
+   message_size="312";
    modelnet_order=( "loggp" );
    # scheduler options
    modelnet_scheduler="fcfs-full";

tests/conf/modelnet-test-simplep2p.conf

@@ -9,7 +9,7 @@ LPGROUPS
 }
 PARAMS
 {
-    message_size="256";
+    message_size="312";
     packet_size="1024";
     modelnet_order=("simplep2p");
     # scheduler options

tests/conf/modelnet-test-torus.conf

@@ -14,7 +14,7 @@ PARAMS
    # scheduler options
    modelnet_scheduler="fcfs";
    # modelnet_scheduler="round-robin";
-   message_size="2048";
+   message_size="312";
    n_dims="4";
    dim_length="4,2,2,2";
    link_bandwidth="2.0";

tests/conf/modelnet-test.conf

@@ -10,7 +10,7 @@ LPGROUPS
 PARAMS
 {
    packet_size="512";
-   message_size="304";
+   message_size="312";
    modelnet_order=( "simplenet" );
    # scheduler options
    modelnet_scheduler="fcfs";