minor change

guide/README.md

@@ -116,7 +116,7 @@ int main(int argc, char *argv[]) {
     // at this point, the model object should allow us to recover the program state
     ...
     // each iteration can contain multiple calls of allreduce/broadcast
-    rabit::Allreduce(&data[0], n);
+    rabit::Allreduce<rabit::op::Max>(&data[0], n);
     ...
     // checkpoint model after one iteration finishes
     rabit::CheckPoint(&model);

guide/basic.py

@@ -21,4 +21,3 @@ print '@node[%d] before-allreduce: a=%s' % (rank, str(a))
 a = rabit.allreduce(a, rabit.MAX)
 print '@node[%d] after-allreduce: a=%s' % (rank, str(a))
 rabit.finalize()
-

guide/broadcast.py

@@ -20,4 +20,3 @@ s = rabit.broadcast(s, 0)
 
 print '@node[%d] after-broadcast: s=\"%s\"' % (rank, str(s))
 rabit.finalize()
-