merge develop

Author: NHZlX

python/paddle/fluid/tests/unittests/CMakeLists.txt

@@ -28,6 +28,10 @@ list(REMOVE_ITEM TEST_OPS test_cond_op) # FIXME(qijun): https://github.com/Paddl
 
 list(REMOVE_ITEM TEST_OPS op_test) # op_test is a helper python file, not a test
 list(REMOVE_ITEM TEST_OPS decorators) # decorators is a helper python file, not a test
+if(APPLE)
+    # this op is not support on mac
+    list(REMOVE_ITEM TEST_OPS test_fusion_seqexpand_concat_fc_op)
+endif()
 
 function(py_test_modules TARGET_NAME)
   if(WITH_TESTING)

python/paddle/fluid/tests/unittests/test_reader_reset.py

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 from __future__ import print_function
-
+import os
 import paddle.fluid as fluid
 import paddle
 import numpy as np
@@ -41,6 +41,8 @@ def fake_data_generator():
                 self.data_file_name, reader, feeder)
 
     def setUp(self):
+        # set parallel threads to fit 20 batches in line 49
+        os.environ['CPU_NUM'] = str(20)
         self.use_cuda = fluid.core.is_compiled_with_cuda()
         self.data_file_name = './reader_reset_test.recordio'
         self.ins_shape = [3]