[]&nbsp;execute&#8203;(long&nbsp;tid,
                                           boolean&nbsp;wait,
                                           <a href="FederatedRequest.html" title="class in org.apache.sysds.runtime.controlprogram.federated">FederatedRequest</a>[]&nbsp;frSlices1,
                                           <a href="FederatedRequest.html" title="class in org.apache.sysds.runtime.controlprogram.federated">FederatedRequest</a>[]&nbsp;frSlices2,
                                           <a href