From a5acb37e4abcd901872df9c499b894e3e269da7c Mon Sep 17 00:00:00 2001
From: xuezhong <xuezhongq@gmail.com>
Date: Sat, 23 Feb 2019 14:29:21 +0000
Subject: [PATCH] use soft label for sampled softmax test=develop

---
 python/paddle/fluid/layers/nn.py | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/python/paddle/fluid/layers/nn.py b/python/paddle/fluid/layers/nn.py
index 0845c9bd888..2315a2d5ccd 100644
--- a/python/paddle/fluid/layers/nn.py
+++ b/python/paddle/fluid/layers/nn.py
@@ -5921,6 +5921,8 @@ def sampled_softmax_with_cross_entropy(logits,
     sampled_logits \
         = helper.create_variable_for_type_inference(dtype=logits.dtype)
     sampled_label = helper.create_variable_for_type_inference(dtype='int64')
+    sampled_softlabel = helper.create_variable_for_type_inference(
+        dtype=logits.dtype)
 
     helper.append_op(
         type='sample_logits',
@@ -5945,14 +5947,20 @@ def sampled_softmax_with_cross_entropy(logits,
         })
     loss = helper.create_variable_for_type_inference(dtype=logits.dtype)
     softmax = helper.create_variable_for_type_inference(dtype=logits.dtype)
+    helper.append_op(
+        type='one_hot',
+        inputs={'X': sampled_label},
+        attrs={'depth': num_samples + 1},
+        outputs={'Out': sampled_softlabel})
+
     helper.append_op(
         type='softmax_with_cross_entropy',
         inputs={'Logits': sampled_logits,
-                'Label': sampled_label},
+                'Label': sampled_softlabel},
         outputs={'Softmax': softmax,
                  'Loss': loss},
         attrs={
-            'soft_label': False,
+            'soft_label': True,
             'ignore_index': False,
             'numeric_stable_mode': False
         })
-- 
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