skip all mkldnn op test (#22363)

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

@@ -198,7 +198,7 @@ class OpTest(unittest.TestCase):
             all_op_kernels = core._get_all_register_op_kernels()
             grad_op = op_type + '_grad'
             if grad_op in all_op_kernels.keys():
-                if hasattr(cls, "use_mkldnn") and cls.use_mkldnn == True:
+                if is_mkldnn_op_test():
                     grad_op_kernels = all_op_kernels[grad_op]
                     for grad_op_kernel in grad_op_kernels:
                         if 'MKLDNN' in grad_op_kernel:
@@ -207,6 +207,14 @@ class OpTest(unittest.TestCase):
                     return False
             return True
 
+        def is_mkldnn_op_test():
+            if (hasattr(cls, "use_mkldnn") and cls.use_mkldnn == True) or \
+                (hasattr(cls, "attrs") and "use_mkldnn" in cls.attrs and \
+                    cls.attrs["use_mkldnn"] == True):
+                return True
+            else:
+                return False
+
         if not hasattr(cls, "op_type"):
             raise AssertionError(
                 "This test do not have op_type in class attrs, "
@@ -226,7 +234,7 @@ class OpTest(unittest.TestCase):
             if cls.dtype in [np.float32, np.float64] \
                 and cls.op_type not in op_accuracy_white_list.NO_FP64_CHECK_GRAD_OP_LIST \
                 and not hasattr(cls, 'exist_fp64_check_grad') \
-                and (not hasattr(cls, "use_mkldnn") or cls.use_mkldnn == False):
+                and not is_mkldnn_op_test():
                 raise AssertionError(
                     "This test of %s op needs check_grad with fp64 precision." %
                     cls.op_type)