From 5365cd2f14e5ae12ca41ef061882f56e33775c13 Mon Sep 17 00:00:00 2001
From: Li Fuchen <lfchener@outlook.com>
Date: Mon, 30 Sep 2019 13:57:50 +0800
Subject: [PATCH] Set lod level of sequence_unpad's output to 1 in compile time
 (#20068)

* Set lod level of sequence_unpad's output to 1 in compile time
---
 paddle/fluid/operators/sequence_ops/sequence_unpad_op.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/paddle/fluid/operators/sequence_ops/sequence_unpad_op.cc b/paddle/fluid/operators/sequence_ops/sequence_unpad_op.cc
index 23581c360ff..8256460858b 100644
--- a/paddle/fluid/operators/sequence_ops/sequence_unpad_op.cc
+++ b/paddle/fluid/operators/sequence_ops/sequence_unpad_op.cc
@@ -57,6 +57,11 @@ class SequenceUnpadOp : public framework::OperatorWithKernel {
       }
     }
     ctx->SetOutputDim("Out", framework::make_ddim(out_dims_vec));
+    if (!ctx->IsRuntime()) {
+      framework::VarDesc* out_desc =
+          boost::get<framework::VarDesc*>(ctx->GetOutputVarPtrs("Out")[0]);
+      out_desc->SetLoDLevel(1);
+    }
   }
 
  protected:
-- 
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