From 06e35ae42495c1a2e00d580e499855c58e2bc754 Mon Sep 17 00:00:00 2001
From: whs <wanghaoshuang@baidu.com>
Date: Wed, 16 Oct 2019 20:45:50 +0800
Subject: [PATCH] Fix infer shape of warpctc op. (#20656)

---
 paddle/fluid/operators/warpctc_op.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/paddle/fluid/operators/warpctc_op.cc b/paddle/fluid/operators/warpctc_op.cc
index 7033d55a53b..df9212f9c93 100644
--- a/paddle/fluid/operators/warpctc_op.cc
+++ b/paddle/fluid/operators/warpctc_op.cc
@@ -52,7 +52,7 @@ class WarpCTCOp : public framework::OperatorWithKernel {
                    sequence_width);
 
     // TODO(liuyiqun): it is tricky to set the wrong dimension here.
-    ctx->SetOutputDim("Loss", {logits_dims[0], 1});
+    ctx->SetOutputDim("Loss", {-1, 1});
   }
 
  protected:
-- 
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