for (int x = 0; x < iterations; x++) {
for (int worker_id = 0; worker_id < workers.size(); worker_id++) {
Updateable result = workers.get(worker_id).compute();
java.nio.ByteBuffer bb = result.toBytes();
result.fromBytes(bb);
worker_results.add(result);
// ParameterVectorGradient msg0 =
// workers.get(worker_id).GenerateUpdate();