diff --git a/python/paddle/fluid/tests/unittests/test_elementwise_min_op.py b/python/paddle/fluid/tests/unittests/test_elementwise_min_op.py
index a25b5994a6205be785d6b12d7e92a0d6c37bd9b7..9c6273393a5ceb389425b21bcbf0e20b1428d60c 100644
--- a/python/paddle/fluid/tests/unittests/test_elementwise_min_op.py
+++ b/python/paddle/fluid/tests/unittests/test_elementwise_min_op.py
@@ -25,9 +25,9 @@ class TestElementwiseOp(OpTest):
         # If x and y have the same value, the min() is not differentiable.
         # So we generate test data by the following method
         # to avoid them being too close to each other.
-        x = np.random.uniform(0.1, 1, [13, 17]).astype("float32")
-        sgn = np.random.choice([-1, 1], [13, 17]).astype("float32")
-        y = x + sgn * np.random.uniform(0.1, 1, [13, 17]).astype("float32")
+        x = np.random.uniform(0.1, 1, [13, 17]).astype("float64")
+        sgn = np.random.choice([-1, 1], [13, 17]).astype("float64")
+        y = x + sgn * np.random.uniform(0.1, 1, [13, 17]).astype("float64")
         self.inputs = {'X': x, 'Y': y}
         self.outputs = {'Out': np.minimum(self.inputs['X'], self.inputs['Y'])}
 
@@ -49,8 +49,8 @@ class TestElementwiseOp(OpTest):
 class TestElementwiseMinOp_scalar(TestElementwiseOp):
     def setUp(self):
         self.op_type = "elementwise_min"
-        x = np.random.random_integers(-5, 5, [10, 3, 4]).astype("float32")
-        y = np.array([0.5]).astype("float32")
+        x = np.random.random_integers(-5, 5, [10, 3, 4]).astype("float64")
+        y = np.array([0.5]).astype("float64")
         self.inputs = {'X': x, 'Y': y}
         self.outputs = {'Out': np.minimum(self.inputs['X'], self.inputs['Y'])}
 
@@ -58,9 +58,9 @@ class TestElementwiseMinOp_scalar(TestElementwiseOp):
 class TestElementwiseMinOp_Vector(TestElementwiseOp):
     def setUp(self):
         self.op_type = "elementwise_min"
-        x = np.random.random((100, )).astype("float32")
-        sgn = np.random.choice([-1, 1], (100, )).astype("float32")
-        y = x + sgn * np.random.uniform(0.1, 1, (100, )).astype("float32")
+        x = np.random.random((100, )).astype("float64")
+        sgn = np.random.choice([-1, 1], (100, )).astype("float64")
+        y = x + sgn * np.random.uniform(0.1, 1, (100, )).astype("float64")
         self.inputs = {'X': x, 'Y': y}
         self.outputs = {'Out': np.minimum(self.inputs['X'], self.inputs['Y'])}
 
@@ -68,10 +68,10 @@ class TestElementwiseMinOp_Vector(TestElementwiseOp):
 class TestElementwiseMinOp_broadcast_0(TestElementwiseOp):
     def setUp(self):
         self.op_type = "elementwise_min"
-        x = np.random.uniform(0.5, 1, (2, 3, 4)).astype(np.float32)
-        sgn = np.random.choice([-1, 1], (2, )).astype(np.float32)
+        x = np.random.uniform(0.5, 1, (2, 3, 4)).astype(np.float64)
+        sgn = np.random.choice([-1, 1], (2, )).astype(np.float64)
         y = x[:, 0, 0] + sgn * \
-            np.random.uniform(1, 2, (2, )).astype(np.float32)
+            np.random.uniform(1, 2, (2, )).astype(np.float64)
         self.inputs = {'X': x, 'Y': y}
 
         self.attrs = {'axis': 0}
@@ -84,10 +84,10 @@ class TestElementwiseMinOp_broadcast_0(TestElementwiseOp):
 class TestElementwiseMinOp_broadcast_1(TestElementwiseOp):
     def setUp(self):
         self.op_type = "elementwise_min"
-        x = np.random.uniform(0.5, 1, (2, 3, 4)).astype(np.float32)
-        sgn = np.random.choice([-1, 1], (3, )).astype(np.float32)
+        x = np.random.uniform(0.5, 1, (2, 3, 4)).astype(np.float64)
+        sgn = np.random.choice([-1, 1], (3, )).astype(np.float64)
         y = x[0, :, 0] + sgn * \
-            np.random.uniform(1, 2, (3, )).astype(np.float32)
+            np.random.uniform(1, 2, (3, )).astype(np.float64)
         self.inputs = {'X': x, 'Y': y}
 
         self.attrs = {'axis': 1}
@@ -100,10 +100,10 @@ class TestElementwiseMinOp_broadcast_1(TestElementwiseOp):
 class TestElementwiseMinOp_broadcast_2(TestElementwiseOp):
     def setUp(self):
         self.op_type = "elementwise_min"
-        x = np.random.uniform(0.5, 1, (2, 3, 4)).astype(np.float32)
-        sgn = np.random.choice([-1, 1], (4, )).astype(np.float32)
+        x = np.random.uniform(0.5, 1, (2, 3, 4)).astype(np.float64)
+        sgn = np.random.choice([-1, 1], (4, )).astype(np.float64)
         y = x[0, 0, :] + sgn * \
-            np.random.uniform(1, 2, (4, )).astype(np.float32)
+            np.random.uniform(1, 2, (4, )).astype(np.float64)
         self.inputs = {'X': x, 'Y': y}
 
         self.outputs = {
@@ -115,10 +115,10 @@ class TestElementwiseMinOp_broadcast_2(TestElementwiseOp):
 class TestElementwiseMinOp_broadcast_3(TestElementwiseOp):
     def setUp(self):
         self.op_type = "elementwise_min"
-        x = np.random.uniform(0.5, 1, (2, 3, 4, 5)).astype(np.float32)
-        sgn = np.random.choice([-1, 1], (3, 4)).astype(np.float32)
+        x = np.random.uniform(0.5, 1, (2, 3, 4, 5)).astype(np.float64)
+        sgn = np.random.choice([-1, 1], (3, 4)).astype(np.float64)
         y = x[0, :, :, 0] + sgn * \
-            np.random.uniform(1, 2, (3, 4)).astype(np.float32)
+            np.random.uniform(1, 2, (3, 4)).astype(np.float64)
         self.inputs = {'X': x, 'Y': y}
 
         self.attrs = {'axis': 1}
@@ -131,10 +131,10 @@ class TestElementwiseMinOp_broadcast_3(TestElementwiseOp):
 class TestElementwiseMinOp_broadcast_4(TestElementwiseOp):
     def setUp(self):
         self.op_type = "elementwise_min"
-        x = np.random.uniform(0.5, 1, (2, 3, 4, 5)).astype(np.float32)
-        sgn = np.random.choice([-1, 1], (2, 3, 1, 5)).astype(np.float32)
+        x = np.random.uniform(0.5, 1, (2, 3, 4, 5)).astype(np.float64)
+        sgn = np.random.choice([-1, 1], (2, 3, 1, 5)).astype(np.float64)
         y = x + sgn * \
-            np.random.uniform(1, 2, (2, 3, 1, 5)).astype(np.float32)
+            np.random.uniform(1, 2, (2, 3, 1, 5)).astype(np.float64)
         self.inputs = {'X': x, 'Y': y}
 
         self.outputs = {'Out': np.minimum(self.inputs['X'], self.inputs['Y'])}
diff --git a/python/paddle/fluid/tests/unittests/test_elementwise_pow_op.py b/python/paddle/fluid/tests/unittests/test_elementwise_pow_op.py
index ffdd6857a9b1f83581d90ffa63bf2c5e26582b5c..81c34073b9f4f5e0b1f87f4623f86144f852d0f7 100644
--- a/python/paddle/fluid/tests/unittests/test_elementwise_pow_op.py
+++ b/python/paddle/fluid/tests/unittests/test_elementwise_pow_op.py
@@ -23,8 +23,8 @@ class TestElementwisePowOp(OpTest):
     def setUp(self):
         self.op_type = "elementwise_pow"
         self.inputs = {
-            'X': np.random.uniform(0.1, 1, [2, 3]).astype("float32"),
-            'Y': np.random.uniform(0.1, 1, [2, 3]).astype("float32")
+            'X': np.random.uniform(0.1, 1, [2, 3]).astype("float64"),
+            'Y': np.random.uniform(0.1, 1, [2, 3]).astype("float64")
         }
         self.outputs = {'Out': np.power(self.inputs['X'], self.inputs['Y'])}
 
@@ -39,8 +39,8 @@ class TestElementwisePowOp_scalar(TestElementwisePowOp):
     def setUp(self):
         self.op_type = "elementwise_pow"
         self.inputs = {
-            'X': np.random.uniform(0.1, 1, [3, 3, 4]).astype(np.float32),
-            'Y': np.random.uniform(0.1, 1, [1]).astype(np.float32)
+            'X': np.random.uniform(0.1, 1, [3, 3, 4]).astype(np.float64),
+            'Y': np.random.uniform(0.1, 1, [1]).astype(np.float64)
         }
         self.outputs = {'Out': np.power(self.inputs['X'], self.inputs['Y'])}
 
@@ -49,8 +49,8 @@ class TestElementwisePowOp_tensor(TestElementwisePowOp):
     def setUp(self):
         self.op_type = "elementwise_pow"
         self.inputs = {
-            'X': np.random.uniform(0.1, 1, [32]).astype("float32"),
-            'Y': np.random.uniform(0.1, 1, [32]).astype("float32")
+            'X': np.random.uniform(0.1, 1, [32]).astype("float64"),
+            'Y': np.random.uniform(0.1, 1, [32]).astype("float64")
         }
         self.outputs = {'Out': np.power(self.inputs['X'], self.inputs['Y'])}
 
@@ -59,8 +59,8 @@ class TestElementwisePowOp_broadcast_0(TestElementwisePowOp):
     def setUp(self):
         self.op_type = "elementwise_pow"
         self.inputs = {
-            'X': np.random.uniform(0.1, 1, [2, 3, 4]).astype("float32"),
-            'Y': np.random.uniform(0.1, 1, [4]).astype("float32")
+            'X': np.random.uniform(0.1, 1, [2, 3, 4]).astype("float64"),
+            'Y': np.random.uniform(0.1, 1, [4]).astype("float64")
         }
         self.outputs = {'Out': np.power(self.inputs['X'], self.inputs['Y'])}
 
@@ -69,8 +69,8 @@ class TestElementwisePowOp_broadcast_1(TestElementwisePowOp):
     def setUp(self):
         self.op_type = "elementwise_pow"
         self.inputs = {
-            'X': np.random.uniform(0.1, 1, [2, 3, 4]).astype("float32"),
-            'Y': np.random.uniform(0.1, 1, [3]).astype("float32")
+            'X': np.random.uniform(0.1, 1, [2, 3, 4]).astype("float64"),
+            'Y': np.random.uniform(0.1, 1, [3]).astype("float64")
         }
         self.attrs = {'axis': 1}
         self.outputs = {
@@ -82,8 +82,8 @@ class TestElementwisePowOp_broadcast_2(TestElementwisePowOp):
     def setUp(self):
         self.op_type = "elementwise_pow"
         self.inputs = {
-            'X': np.random.uniform(0.1, 1, [2, 3, 4]).astype("float32"),
-            'Y': np.random.uniform(0.1, 1, [2]).astype("float32")
+            'X': np.random.uniform(0.1, 1, [2, 3, 4]).astype("float64"),
+            'Y': np.random.uniform(0.1, 1, [2]).astype("float64")
         }
         self.attrs = {'axis': 0}
         self.outputs = {
@@ -95,8 +95,8 @@ class TestElementwisePowOp_broadcast_3(TestElementwisePowOp):
     def setUp(self):
         self.op_type = "elementwise_pow"
         self.inputs = {
-            'X': np.random.uniform(0.1, 1, [2, 3, 4, 5]).astype("float32"),
-            'Y': np.random.uniform(0.1, 1, [3, 4]).astype("float32")
+            'X': np.random.uniform(0.1, 1, [2, 3, 4, 5]).astype("float64"),
+            'Y': np.random.uniform(0.1, 1, [3, 4]).astype("float64")
         }
         self.attrs = {'axis': 1}
         self.outputs = {
@@ -109,8 +109,8 @@ class TestElementwisePowOp_broadcast_4(TestElementwisePowOp):
     def setUp(self):
         self.op_type = "elementwise_pow"
         self.inputs = {
-            'X': np.random.uniform(0.1, 1, [2, 3, 4, 5]).astype("float32"),
-            'Y': np.random.uniform(0.1, 1, [2, 3, 1, 5]).astype("float32")
+            'X': np.random.uniform(0.1, 1, [2, 3, 4, 5]).astype("float64"),
+            'Y': np.random.uniform(0.1, 1, [2, 3, 1, 5]).astype("float64")
         }
         self.outputs = {'Out': np.power(self.inputs['X'], self.inputs['Y'])}
 
diff --git a/python/paddle/fluid/tests/unittests/test_expand_op.py b/python/paddle/fluid/tests/unittests/test_expand_op.py
index 0f6f3e31c6b8d9a306edc73d4a2d501d094cff55..0509d61efbfe9d60590ae68d8467eb9b33231795 100644
--- a/python/paddle/fluid/tests/unittests/test_expand_op.py
+++ b/python/paddle/fluid/tests/unittests/test_expand_op.py
@@ -27,7 +27,7 @@ class TestExpandOpRank1(OpTest):
         self.op_type = "expand"
         self.init_data()
 
-        self.inputs = {'X': np.random.random(self.ori_shape).astype("float32")}
+        self.inputs = {'X': np.random.random(self.ori_shape).astype("float64")}
         self.attrs = {'expand_times': self.expand_times}
         output = np.tile(self.inputs['X'], self.expand_times)
         self.outputs = {'Out': output}
@@ -84,7 +84,7 @@ class TestExpandOpRank1_tensor_attr(OpTest):
                 (1)).astype('int32') * ele))
 
         self.inputs = {
-            'X': np.random.random(self.ori_shape).astype("float32"),
+            'X': np.random.random(self.ori_shape).astype("float64"),
             'expand_times_tensor': expand_times_tensor,
         }
         self.attrs = {"expand_times": self.infer_expand_times}
@@ -124,7 +124,7 @@ class TestExpandOpRank1_tensor(OpTest):
         self.init_data()
 
         self.inputs = {
-            'X': np.random.random(self.ori_shape).astype("float32"),
+            'X': np.random.random(self.ori_shape).astype("float64"),
             'ExpandTimes': np.array(self.expand_times).astype("int32"),
         }
         self.attrs = {}
diff --git a/python/paddle/fluid/tests/unittests/test_flatten2_op.py b/python/paddle/fluid/tests/unittests/test_flatten2_op.py
index 64aecfea7bf223d947d3e0249d6ecf21d380f819..9fe2d7b20c9a413edb42deffbb18eb4fac3f5687 100644
--- a/python/paddle/fluid/tests/unittests/test_flatten2_op.py
+++ b/python/paddle/fluid/tests/unittests/test_flatten2_op.py
@@ -24,7 +24,7 @@ class TestFlattenOp(OpTest):
     def setUp(self):
         self.op_type = "flatten2"
         self.init_test_case()
-        self.inputs = {"X": np.random.random(self.in_shape).astype("float32")}
+        self.inputs = {"X": np.random.random(self.in_shape).astype("float64")}
         self.init_attrs()
         self.outputs = {
             "Out": self.inputs["X"].reshape(self.new_shape),
diff --git a/python/paddle/fluid/tests/unittests/test_flatten_op.py b/python/paddle/fluid/tests/unittests/test_flatten_op.py
index 502ac1643deef7af3630456f8c063733bc0f9c35..902ce1613a1d8e499499cdbe97118118787057d3 100644
--- a/python/paddle/fluid/tests/unittests/test_flatten_op.py
+++ b/python/paddle/fluid/tests/unittests/test_flatten_op.py
@@ -24,7 +24,7 @@ class TestFlattenOp(OpTest):
     def setUp(self):
         self.op_type = "flatten"
         self.init_test_case()
-        self.inputs = {"X": np.random.random(self.in_shape).astype("float32")}
+        self.inputs = {"X": np.random.random(self.in_shape).astype("float64")}
         self.init_attrs()
         self.outputs = {"Out": self.inputs["X"].reshape(self.new_shape)}
 
diff --git a/python/paddle/fluid/tests/unittests/test_fused_emb_seq_pool_op.py b/python/paddle/fluid/tests/unittests/test_fused_emb_seq_pool_op.py
index 308208be3349c48a0940883d5e151b6456b1ad96..0095d438aadbab60ae93ab09fe9ddc6e57994b71 100644
--- a/python/paddle/fluid/tests/unittests/test_fused_emb_seq_pool_op.py
+++ b/python/paddle/fluid/tests/unittests/test_fused_emb_seq_pool_op.py
@@ -29,7 +29,7 @@ class TestFusedEmbeddingSeqPoolOp(OpTest):
     def setUp(self):
         self.op_type = "fused_embedding_seq_pool"
         self.emb_size = 6
-        self.table = np.random.random((17, self.emb_size)).astype("float32")
+        self.table = np.random.random((17, self.emb_size)).astype("float64")
         self.ids = np.array([[[4], [3]], [[4], [3]], [[2], [1]],
                              [[16], [1]]]).astype("int64")
         ids_expand = np.expand_dims(self.ids, axis=1)
diff --git a/python/paddle/fluid/tests/unittests/test_gather_nd_op.py b/python/paddle/fluid/tests/unittests/test_gather_nd_op.py
index 00418b58a6412b58f2cb2da6dcbb4543c62d2c4e..95cfdaa5e8498dc3c83e4c3772ff2c02fa906301 100644
--- a/python/paddle/fluid/tests/unittests/test_gather_nd_op.py
+++ b/python/paddle/fluid/tests/unittests/test_gather_nd_op.py
@@ -27,7 +27,7 @@ class TestGatherNdOpWithEmptyIndex(OpTest):
 
     def setUp(self):
         self.op_type = "gather_nd"
-        xnp = np.random.random((5, 20)).astype("float32")
+        xnp = np.random.random((5, 20)).astype("float64")
         self.inputs = {'X': xnp, 'Index': np.array([[], []]).astype("int32")}
         self.outputs = {
             'Out': np.vstack((xnp[np.newaxis, :], xnp[np.newaxis, :]))
@@ -48,7 +48,7 @@ class TestGatherNdOpWithLowIndex(OpTest):
     def setUp(self):
         self.op_type = "gather_nd"
         xnp = np.array(
-            [[65, 17, 2], [14, 25, 1], [76, 22, 3]]).astype("float32")
+            [[65, 17, 2], [14, 25, 1], [76, 22, 3]]).astype("float64")
         index = np.array([[1], [2]]).astype("int64")
 
         self.inputs = {'X': xnp, 'Index': index}
@@ -91,7 +91,7 @@ class TestGatherNdOpWithHighRankSame(OpTest):
     def setUp(self):
         self.op_type = "gather_nd"
         shape = (20, 9, 8, 1, 31)
-        xnp = np.random.rand(*shape)
+        xnp = np.random.rand(*shape).astype("float64")
         index = np.vstack([np.random.randint(0, s, size=150) for s in shape]).T
 
         self.inputs = {'X': xnp, 'Index': index.astype("int32")}
@@ -112,7 +112,7 @@ class TestGatherNdOpWithHighRankDiff(OpTest):
     def setUp(self):
         self.op_type = "gather_nd"
         shape = (20, 9, 8, 1, 31)
-        xnp = np.random.rand(*shape).astype("double")
+        xnp = np.random.rand(*shape).astype("float64")
         index = np.vstack([np.random.randint(0, s, size=1000) for s in shape]).T
         index_re = index.reshape([10, 5, 20, 5])
 
diff --git a/python/paddle/fluid/tests/unittests/test_gather_op.py b/python/paddle/fluid/tests/unittests/test_gather_op.py
index dffb4b7279b3cc1d6ee6bda586da4f2344a3c070..9f89bd5b5c96417da152ea0750ab3bd8a9a637fe 100644
--- a/python/paddle/fluid/tests/unittests/test_gather_op.py
+++ b/python/paddle/fluid/tests/unittests/test_gather_op.py
@@ -41,7 +41,7 @@ class TestGatherOp(OpTest):
         For multi-dimension input
         """
         self.x_shape = (10, 20)
-        self.x_type = "float32"
+        self.x_type = "float64"
         self.index = [1, 3, 5]
         self.index_type = "int32"
 
@@ -52,7 +52,7 @@ class TestCase1(TestGatherOp):
         For one dimension input
         """
         self.x_shape = (100)
-        self.x_type = "float32"
+        self.x_type = "float64"
         self.index = [1, 3, 5]
         self.index_type = "int32"
 
@@ -63,7 +63,7 @@ class TestCase2(TestGatherOp):
         For int64_t index type
         """
         self.x_shape = (10)
-        self.x_type = "float32"
+        self.x_type = "float64"
         self.index = [1, 3, 5]
         self.index_type = "int64"
 
@@ -74,7 +74,7 @@ class TestCase3(TestGatherOp):
         For other input type
         """
         self.x_shape = (10, 20)
-        self.x_type = "double"
+        self.x_type = "float64"
         self.index = [1, 3, 5]
         self.index_type = "int64"
 
@@ -92,7 +92,7 @@ class TestCase5(TestGatherOp):
     def config(self):
         self.x_shape = (10, 20)
         self.attrs = {'overwrite': False}
-        self.x_type = "float"
+        self.x_type = "float64"
         self.index = [1, 1, 3]
         self.index_type = "int32"
 
@@ -101,7 +101,7 @@ class TestCase6(TestGatherOp):
     def config(self):
         self.x_shape = (10, 20)
         self.attrs = {'overwrite': True}
-        self.x_type = "float"
+        self.x_type = "float64"
         self.index = [1, 3]
         self.index_type = "int32"
 
diff --git a/python/paddle/fluid/tests/unittests/test_grid_sampler_op.py b/python/paddle/fluid/tests/unittests/test_grid_sampler_op.py
index 85c14d4f9770122ba9286a73a3ca798a9ed5b905..bd5a07769e30de5110566f630de2d480e3426c77 100644
--- a/python/paddle/fluid/tests/unittests/test_grid_sampler_op.py
+++ b/python/paddle/fluid/tests/unittests/test_grid_sampler_op.py
@@ -34,7 +34,7 @@ def AffineGrid(theta, size):
     for i in range(len(theta)):
         ret[i] = np.dot(grid[i].reshape([h * w, 3]), theta[i])
 
-    return ret.reshape([n, h, w, 2]).astype("float32")
+    return ret.reshape([n, h, w, 2]).astype("float64")
 
 
 def getGridPointValue(data, x, y):
@@ -43,7 +43,7 @@ def getGridPointValue(data, x, y):
     H = data_shape[2]
     W = data_shape[3]
 
-    out = np.zeros(data_shape, dtype='float')
+    out = np.zeros(data_shape, dtype='float64')
     for i in range(N):
         for j in range(H):
             for k in range(W):
@@ -68,8 +68,8 @@ def GridSampler(data, grid):
     y_max = H - 1
     x_max = W - 1
 
-    x = 0.5 * ((x.astype('float32') + 1.0) * x_max)
-    y = 0.5 * ((y.astype('float32') + 1.0) * y_max)
+    x = 0.5 * ((x.astype('float64') + 1.0) * x_max)
+    y = 0.5 * ((y.astype('float64') + 1.0) * y_max)
 
     x0 = np.floor(x).astype('int32')
     x1 = x0 + 1
@@ -86,7 +86,7 @@ def GridSampler(data, grid):
     vc = getGridPointValue(data, x1, y0)
     vd = getGridPointValue(data, x1, y1)
 
-    out = (wa * va + wb * vb + wc * vc + wd * vd).astype('float32')
+    out = (wa * va + wb * vb + wc * vc + wd * vd).astype('float64')
     return out
 
 
@@ -94,9 +94,9 @@ class TestGridSamplerOp(OpTest):
     def setUp(self):
         self.initTestCase()
         self.op_type = 'grid_sampler'
-        x = np.random.randint(0, 255, self.x_shape).astype('float32')
+        x = np.random.randint(0, 255, self.x_shape).astype('float64')
 
-        theta = np.zeros(self.theta_shape).astype('float32')
+        theta = np.zeros(self.theta_shape).astype('float64')
         for i in range(self.theta_shape[0]):
             for j in range(2):
                 for k in range(3):
diff --git a/python/paddle/fluid/tests/unittests/test_gru_op.py b/python/paddle/fluid/tests/unittests/test_gru_op.py
index bce459461a48335ed6764eb0b653a670bcde4171..cc041991e78df1ae5b08d67d35f4a93cf7200645 100644
--- a/python/paddle/fluid/tests/unittests/test_gru_op.py
+++ b/python/paddle/fluid/tests/unittests/test_gru_op.py
@@ -170,20 +170,20 @@ class TestGRUOriginMode(TestGRUOp):
 class TestGRUOp2(TestGRUOp):
     def set_confs(self):
         self.D = 19
-        self.dtype = 'float32'
+        self.dtype = 'float64'
 
 
 class TestGRUOp2Len0(TestGRUOp):
     def set_confs(self):
         self.D = 19
         self.lod = [[2, 0, 4]]
-        self.dtype = 'float32'
+        self.dtype = 'float64'
 
 
 class TestGRUOp2OriginMode(TestGRUOp):
     def set_confs(self):
         self.D = 19
-        self.dtype = 'float32'
+        self.dtype = 'float64'
         self.origin_mode = True
 
 
@@ -191,7 +191,7 @@ class TestGRUOp2OriginModeLen0(TestGRUOp):
     def set_confs(self):
         self.D = 19
         self.lod = [[0, 3, 4]]
-        self.dtype = 'float32'
+        self.dtype = 'float64'
         self.origin_mode = True
 
 
@@ -199,7 +199,7 @@ class TestGRUOp2OriginModeLastLen0(TestGRUOp):
     def set_confs(self):
         self.D = 19
         self.lod = [[0, 3, 0]]
-        self.dtype = 'float32'
+        self.dtype = 'float64'
         self.origin_mode = True
 
 
diff --git a/python/paddle/fluid/tests/unittests/test_kldiv_loss_op.py b/python/paddle/fluid/tests/unittests/test_kldiv_loss_op.py
index 9aaa3152e56edd13794e0299bc9be2fa7bb5135f..4402dec3ae586eb8d99ffffbd8e44629967a2853 100644
--- a/python/paddle/fluid/tests/unittests/test_kldiv_loss_op.py
+++ b/python/paddle/fluid/tests/unittests/test_kldiv_loss_op.py
@@ -36,8 +36,8 @@ class TestKLDivLossOp(OpTest):
     def setUp(self):
         self.initTestCase()
         self.op_type = 'kldiv_loss'
-        x = np.random.uniform(-10, 10, self.x_shape).astype('float32')
-        target = np.random.uniform(-10, 10, self.x_shape).astype('float32')
+        x = np.random.uniform(-10, 10, self.x_shape).astype('float64')
+        target = np.random.uniform(-10, 10, self.x_shape).astype('float64')
 
         self.attrs = {"reduction": self.reduction}
 
@@ -46,7 +46,7 @@ class TestKLDivLossOp(OpTest):
             'Target': target,
         }
         loss = kldiv_loss(x, target, self.reduction)
-        self.outputs = {'Loss': loss.astype('float32')}
+        self.outputs = {'Loss': loss.astype('float64')}
 
     def test_check_output(self):
         self.check_output()
diff --git a/python/paddle/fluid/tests/unittests/test_lod_reset_op.py b/python/paddle/fluid/tests/unittests/test_lod_reset_op.py
index 391c4d04b2c8554e192cfcaf385b47653b2749db..4c82605e0c89a1f43889b75fe5d94d6410b33090 100644
--- a/python/paddle/fluid/tests/unittests/test_lod_reset_op.py
+++ b/python/paddle/fluid/tests/unittests/test_lod_reset_op.py
@@ -22,7 +22,7 @@ from op_test import OpTest
 class TestLodResetOpByAttr(OpTest):
     def setUp(self):
         self.op_type = "lod_reset"
-        x = np.random.random((10, 20)).astype("float32")
+        x = np.random.random((10, 20)).astype("float64")
         lod = [[3, 2, 5]]
         # target_offset_lod and target_lod are the same lod info represented
         # in offset-based format and length-based format, respectively.
@@ -45,7 +45,7 @@ class TestLodResetOpByAttr(OpTest):
 class TestLodResetOpByInput(OpTest):
     def setUp(self):
         self.op_type = "lod_reset"
-        x = np.random.random((10, 20)).astype("float32")
+        x = np.random.random((10, 20)).astype("float64")
         lod = [[3, 2, 5]]
         # target_offset_lod and target_lod are the same lod info represented
         # in offset-based format and length-based format, respectively.
@@ -69,7 +69,7 @@ class TestLodResetOpByInput(OpTest):
 class TestLodResetOpBoth(OpTest):
     def setUp(self):
         self.op_type = "lod_reset"
-        x = np.random.random((10, 20)).astype("float32")
+        x = np.random.random((10, 20)).astype("float64")
         lod = [[3, 2, 5]]
         target_offset_lod_attr = [0, 7, 10]
         target_offset_lod_in = [0, 4, 7, 10]
@@ -93,9 +93,9 @@ class TestLodResetOpBoth(OpTest):
 class TestLodResetOpYIsLoDTensor(OpTest):
     def setUp(self):
         self.op_type = "lod_reset"
-        x = np.random.random((10, 20)).astype("float32")
+        x = np.random.random((10, 20)).astype("float64")
         lod = [[3, 2, 5]]
-        y = np.random.random((10, 10)).astype("float32")
+        y = np.random.random((10, 10)).astype("float64")
         target_lod = [[4, 3, 3]]
         self.inputs = {'X': (x, lod), 'Y': (y, target_lod)}
         self.outputs = {'Out': (x, target_lod)}
@@ -112,7 +112,7 @@ class TestLodResetOpYIsLoDTensor(OpTest):
 class TestLodAppendOpByAttr(OpTest):
     def setUp(self):
         self.op_type = "lod_reset"
-        x = np.random.random((10, 20)).astype("float32")
+        x = np.random.random((10, 20)).astype("float64")
         lod = [[3, 2, 5]]
         # target_offset_lod and target_lod are the same lod info represented
         # in offset-based format and length-based format, respectively.
diff --git a/python/paddle/fluid/tests/unittests/test_lookup_table_op.py b/python/paddle/fluid/tests/unittests/test_lookup_table_op.py
index 3442cd71d90a18cdd7e9992c8c71cb9e40f9015b..0c292170fcb3a4cfe3eb419ae620d51caa35e944 100644
--- a/python/paddle/fluid/tests/unittests/test_lookup_table_op.py
+++ b/python/paddle/fluid/tests/unittests/test_lookup_table_op.py
@@ -27,7 +27,7 @@ from paddle.fluid import Program, program_guard
 class TestLookupTableOp(OpTest):
     def setUp(self):
         self.op_type = "lookup_table"
-        table = np.random.random((17, 31)).astype("float32")
+        table = np.random.random((17, 31)).astype("float64")
         ids = np.random.randint(0, 17, 4).astype("int64")
         ids_expand = np.expand_dims(ids, axis=1)
         self.inputs = {'W': table, 'Ids': ids_expand}
@@ -43,7 +43,7 @@ class TestLookupTableOp(OpTest):
 class TestLookupTableOpWithTensorIds(OpTest):
     def setUp(self):
         self.op_type = "lookup_table"
-        table = np.random.random((17, 31)).astype("float32")
+        table = np.random.random((17, 31)).astype("float64")
         ids = np.random.randint(
             low=0, high=17, size=(2, 4, 5, 1)).astype("int64")
         self.inputs = {'W': table, 'Ids': ids}
diff --git a/python/paddle/fluid/tests/unittests/test_lookup_table_v2_op.py b/python/paddle/fluid/tests/unittests/test_lookup_table_v2_op.py
index 29772cd40043c124fa45f1112948b77037303dbe..0fcd6d0afe7788cbaf67822a8d724b0ab89ec67e 100644
--- a/python/paddle/fluid/tests/unittests/test_lookup_table_v2_op.py
+++ b/python/paddle/fluid/tests/unittests/test_lookup_table_v2_op.py
@@ -28,7 +28,7 @@ from paddle.fluid import Program, program_guard
 class TestLookupTableOp(OpTest):
     def setUp(self):
         self.op_type = "lookup_table_v2"
-        table = np.random.random((17, 31)).astype("float32")
+        table = np.random.random((17, 31)).astype("float64")
         ids = np.random.randint(0, 17, 4).astype("int64")
         self.inputs = {'W': table, 'Ids': ids}
         self.outputs = {'Out': table[ids]}
@@ -43,7 +43,7 @@ class TestLookupTableOp(OpTest):
 class TestLookupTableOpWithTensorIds(OpTest):
     def setUp(self):
         self.op_type = "lookup_table_v2"
-        table = np.random.random((17, 31)).astype("float32")
+        table = np.random.random((17, 31)).astype("float64")
         ids = np.random.randint(low=0, high=17, size=(2, 4, 5)).astype("int64")
         self.inputs = {'W': table, 'Ids': ids}
         self.outputs = {'Out': table[ids.flatten()].reshape((2, 4, 5, 31))}