Try to ensure test reproducibility.

[simgrid.git] / examples / s4u / dht-chord / s4u-dht-chord-node.cpp

diff --git a/examples/s4u/dht-chord/s4u-dht-chord-node.cpp b/examples/s4u/dht-chord/s4u-dht-chord-node.cpp
index 992d3a2..8d9640f 100644 (file)
--- a/examples/s4u/dht-chord/s4u-dht-chord-node.cpp
+++ b/examples/s4u/dht-chord/s4u-dht-chord-node.cpp
@@ -134,8 +134,9 @@ void Node::notifyAndQuit()
 void Node::randomLookup()
 {
   int res          = id_;
-  std::uniform_int_distribution<int> dist(0, nb_bits - 1);
-  int random_index = dist(generator);
+  // std::uniform_int_distribution<int> dist(0, nb_bits - 1);
+  // int random_index = dist(generator);
+  int random_index = generator() % nb_bits; // ensure reproducibility across platforms
   int random_id    = fingers_[random_index];
   XBT_DEBUG("Making a lookup request for id %d", random_id);
   if (random_id != id_)