WIP: add script to generate input files

Change-Id: I5257228912bbf3d8e1228ead4d2a0910f1e2da6b

scripts/simple_con.c

+//////////////////////////////////////////////////////////////////////////////
+// Copyright (c) 2014, Lawrence Livermore National Security, LLC.
+// Produced at the Lawrence Livermore National Laboratory.
+//
+// Written by:
+//     Nikhil Jain <nikhil.jain@acm.org>
+//     Abhinav Bhatele <bhatele@llnl.gov>
+//     Peer-Timo Bremer <ptbremer@llnl.gov>
+//
+// LLNL-CODE-678961. All rights reserved.
+//
+// This file is part of Damselfly. For details, see:
+// https://github.com/LLNL/damselfly
+// Please also read the LICENSE file for our notice and the LGPL.
+//////////////////////////////////////////////////////////////////////////////
+
+#include "stdio.h"
+#include "stdlib.h"
+
+//Usage ./binary num_groups num_rows num_columns intra_file inter_file
+
+int main(int argc, char **argv) {
+  int g = atoi(argv[1]);
+  int r = atoi(argv[2]);
+  int c = 1;
+
+  FILE *intra = fopen(argv[3], "wb");
+  FILE *inter = fopen(argv[4], "wb");
+ 
+  int router = 0;
+  int green = 0;
+  for(int groups = 0; groups < g; groups++) {
+    for(int rows = 0; rows < r; rows++) {
+      if(groups == 0) {
+        for(int rows1 = 0; rows1 < r; rows1++) {
+          if(rows1 != rows) {
+            int dest = rows1;
+            fwrite(&router, sizeof(int), 1, intra);
+            fwrite(&dest, sizeof(int), 1, intra);
+            fwrite(&green, sizeof(int), 1, intra);
+            //printf("INTRA %d %d %d\n", router, dest, green);
+          }
+        }
+      }
+      int myOff = router % (r * c);
+      int numLink = g / (r*c);
+      if(g % (r*c) != 0) {
+        if((router % (r*c)) < (g % (r*c))) {
+          numLink++;
+        }
+      }
+      int myG = router / (r * c);
+      for(int blues = 0; blues < numLink; blues++) {
+        int dest = (blues * r * c) + myOff;
+        if(dest != myG) {
+          dest = (dest * r * c ) + (myG % (r * c));
+          fwrite(&router, sizeof(int), 1, inter);
+          fwrite(&dest, sizeof(int), 1, inter);
+          printf("INTER %d %d\n", router, dest);
+        }
+      }
+      router++;
+    }
+  }
+
+  fclose(intra);
+  fclose(inter);
+}