delete useless code

jacquesqiao · jacquesqiao · commit 46342a2306d1 · 2018-04-26T13:51:26.000+08:00
diff --git a/paddle/fluid/operators/listen_and_serv_op.cc b/paddle/fluid/operators/listen_and_serv_op.cc
@@ -256,10 +256,6 @@ void ListenAndServOp::RunAsyncLoop(framework::Executor *executor,
       }
       AsyncExecuteBlock(executor, grad_to_prepared_block[recv_var_name].get(),
                         v.second->GetMutableLocalScope());
-      // TODO(qiao): explain why
-      if (var->IsType<framework::SelectedRows>()) {
-        var->GetMutable<framework::SelectedRows>()->mutable_rows()->clear();
-      }
     }
 
     if (exit_flag) {

Original file line number	Diff line number	Diff line change
`@@ -256,10 +256,6 @@ void ListenAndServOp::RunAsyncLoop(framework::Executor *executor,`
`256`	`256`	`}`
`257`	`257`	`AsyncExecuteBlock(executor, grad_to_prepared_block[recv_var_name].get(),`
`258`	`258`	`v.second->GetMutableLocalScope());`
`259`		`- // TODO(qiao): explain why`
`260`		`- if (var->IsType<framework::SelectedRows>()) {`
`261`		`- var->GetMutable<framework::SelectedRows>()->mutable_rows()->clear();`
`262`		`- }`
`263`	`259`	`}`
`264`	`260`
`265`	`261`	`if (exit_flag) {`