diff --git a/src/network-workloads/conf/modelnet-synthetic-fattree.conf b/src/network-workloads/conf/modelnet-synthetic-fattree.conf
index b3956005a1f5bc1511aec9e19b0c268418e434d2..fcc74d01be7e595dbf4e5be1007766683a73ef5f 100644
--- a/src/network-workloads/conf/modelnet-synthetic-fattree.conf
+++ b/src/network-workloads/conf/modelnet-synthetic-fattree.conf
@@ -2,15 +2,15 @@ LPGROUPS
 {
    MODELNET_GRP
    {
-      repetitions="2";
-      server="4";
-      modelnet_fattree="4";
-      fattree_switch="3";
+      repetitions="4";				#Number of leaf level switches
+      server="2";
+      modelnet_fattree="2";
+      fattree_switch="2";
    }
 }
 PARAMS
 {
-   ft_type="0";							# Only appears to be one type (type=0) in fattree.c
+   ft_type="1";							# Only appears to be one type (type=0) in fattree.c
    num_levels="2";						# Must be 1 < num_levels < 4
    switch_count="2,4";					# Some sort of csv string. I'm thinking it's the number of switches per level
    switch_radix="4,4";						# Another csv string. I'm thinking it's the radix of the switches per level. All switches within same level have same radix
diff --git a/src/network-workloads/conf/tracer-fattree-type2.conf b/src/network-workloads/conf/tracer-fattree-type2.conf
new file mode 100644
index 0000000000000000000000000000000000000000..f17d67c976ed2fe90bb5b6b0876467a5821d0bda
--- /dev/null
+++ b/src/network-workloads/conf/tracer-fattree-type2.conf
@@ -0,0 +1,28 @@
+LPGROUPS
+{
+   MODELNET_GRP
+   {
+      repetitions="16";
+      server="4";
+      modelnet_fattree="4";
+      fattree_switch="3";
+   }
+}
+PARAMS
+{
+   ft_type="1";
+   packet_size="1024";
+   message_size="512";
+   modelnet_scheduler="fcfs";
+   #modelnet_scheduler="round-robin";
+   modelnet_order=( "fattree" );
+   num_levels="3";
+   switch_count="16";
+   switch_radix="8";
+   router_delay="60";
+   soft_delay="1000";
+   vc_size="65536";
+   cn_vc_size="65536";
+   link_bandwidth="4.7";
+   cn_bandwidth="5.25";
+}
diff --git a/src/network-workloads/model-net-synthetic-fattree.c b/src/network-workloads/model-net-synthetic-fattree.c
index b7564c9b84d10ba665da56ad87574e6276a14f50..ea76c1402d76c891b6b6bbc6f30de6647faf1e5c 100644
--- a/src/network-workloads/model-net-synthetic-fattree.c
+++ b/src/network-workloads/model-net-synthetic-fattree.c
@@ -180,7 +180,7 @@ static void handle_kickoff_event(
 //    assert(net_id == FATTREE); /* only supported for fat tree model right now. */
 
     ns->start_ts = tw_now(lp);
-    printf("Kicking off events\n");
+
    codes_mapping_get_lp_info(lp->gid, group_name, &group_index, lp_type_name, &lp_type_index, anno, &rep_id, &offset);
    /* in case of uniform random traffic, send to a random destination. */
    if(traffic == UNIFORM)
@@ -198,9 +198,11 @@ static void handle_kickoff_event(
 	local_dest =  (rep_id * 2 + offset + 2) % num_nodes;
 //	 printf("\n LP %ld sending to %ld num nodes %d ", rep_id * 2 + offset, local_dest, num_nodes);
    }
-*/   assert(local_dest < num_nodes);
-   codes_mapping_get_lp_id(group_name, lp_type_name, anno, 1, local_dest / num_servers_per_rep, local_dest % num_servers_per_rep, &global_dest);
-  
+*///   assert(local_dest < num_nodes);
+//   codes_mapping_get_lp_id(group_name, lp_type_name, anno, 1, local_dest / num_servers_per_rep, local_dest % num_servers_per_rep, &global_dest);
+
+global_dest = codes_mapping_get_lpid_from_relative(local_dest, group_name, lp_type_name, NULL, 0);
+printf("global_dest:%d local_dest:%d\n",(int)global_dest,(int)local_dest);  
    ns->msg_sent_count++;
    model_net_event(net_id, "test", global_dest, PAYLOAD_SZ, 0.0, sizeof(svr_msg), (const void*)m_remote, sizeof(svr_msg), (const void*)m_local, lp);
    issue_event(ns, lp);
@@ -316,7 +318,7 @@ int main(
     int argc,
     char **argv)
 {
-printf("program start\n");
+
     int nprocs;
     int rank;
     int num_nets;
@@ -326,9 +328,9 @@ printf("program start\n");
     lp_io_handle handle;
 
     tw_opt_add(app_opt);
-printf("Pre timewarp init\n");
+
     tw_init(&argc, &argv);
-printf("Post timewarp init\n");
+
     offset = 1;
 
     if(argc < 2)
@@ -342,13 +344,13 @@ printf("Post timewarp init\n");
     MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
 
     configuration_load(argv[2], MPI_COMM_WORLD, &config);
-printf("loaded configuration\n");
+
     model_net_register();
-printf("Registered model-net\n");
+
     svr_add_lp_type();
-printf("Added LP types\n");
+
     codes_mapping_setup();
-printf("Setup Codes mapping\n");
+
 
     net_ids = model_net_configure(&num_nets);
     assert(num_nets==1);
@@ -369,6 +371,10 @@ printf("Setup Codes mapping\n");
     num_nodes = num_groups * num_routers_per_grp * (num_routers_per_grp / 2);
     num_nodes_per_grp = num_routers_per_grp * (num_routers_per_grp / 2);
 
+    num_nodes = codes_mapping_get_lp_count("MODELNET_GRP", 0, "server", NULL, 1);
+
+
+
     if(lp_io_prepare("modelnet-test", LP_IO_UNIQ_SUFFIX, &handle, MPI_COMM_WORLD) < 0)
     {
         return(-1);