add trick

paddle/fluid/operators/distributed/async_sparse_param_update_recorder.h

@@ -57,6 +57,8 @@ class ConcurrentSet {
   std::future<void> GetAndClear(std::vector<int64_t>* result) {
     auto task = [this, &result] {
       result->clear();
+      // FIXME(qiao): use a trick to avoid the bug of recv an selected rows
+      result->push_back(0);
       for (auto& id : set_) {
         result->push_back(id);
       }

paddle/fluid/operators/distributed/parameter_recv.cc

@@ -108,7 +108,9 @@ void ParameterRecv<T>::operator()(const RpcContext &rpc_ctx,
           VLOG(3) << "recv_slr size: " << recv_slr.rows().size() << " "
                   << sstream.str();
         }
-        for (auto i = 0; i < recv_slr.rows().size(); ++i) {
+
+        // FIXME(qiao): use a trick to avoid the bug of recv an selected rows
+        for (auto i = 1; i < recv_slr.rows().size(); ++i) {
           auto row_id = recv_slr.rows()[i] + row_offset;
           PADDLE_ENFORCE_LT(row_id, recv_dims[1]);
           memcpy(recv_tensor->data<T>() + row_id * width,