diff --git a/python/paddle/fluid/tests/unittests/ipu/op_test_ipu.py b/python/paddle/fluid/tests/unittests/ipu/op_test_ipu.py
index 26fd42be6cd27074c80e8a9aa3ea1f102883a5a3..2583d9409a0a78d58c67398f2f677c1dad7bfc69 100644
--- a/python/paddle/fluid/tests/unittests/ipu/op_test_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/op_test_ipu.py
@@ -15,9 +15,10 @@
 import os
 import random
 import unittest
-import numpy as np
 from enum import IntEnum
+from typing import Dict, List, Optional
 
+import numpy as np
 import paddle
 import paddle.static
 
@@ -33,31 +34,27 @@ map_np_dtype_to_fluid_dtype = {
 }
 
 
+def np_dtype_to_fluid_str(dtype: np.dtype) -> str:
+    return map_np_dtype_to_fluid_dtype[dtype.name]
+
+
 class ExecutionModeFull(IntEnum):
     # Run fp32 model on cpu
     CPU_FP32 = 1
     # Run fp32 model on ipu
     IPU_FP32 = 2
-    # Convert model to fp16 using popart transform
+    # Convert model to fp16 using mixed-precision approch
     # All parameters will be converted to fp16
-    # TODO rename to IPU_FP16
-    IPU_POPART_FP16 = 3
-    # Mix-precision mode, using `paddle.static.amp.fp16_guard()` to control the
-    # precision of each operator
-    IPU_MIXED_PRECISION = 4
+    IPU_FP16 = 3
 
 
 class ExecutionMode(IntEnum):
     CPU_FP32 = ExecutionModeFull.CPU_FP32
     IPU_FP32 = ExecutionModeFull.IPU_FP32
-    IPU_POPART_FP16 = ExecutionModeFull.IPU_POPART_FP16
-
+    IPU_FP16 = ExecutionModeFull.IPU_FP16
 
-def np_dtype_to_fluid_str(dtype: np.dtype) -> str:
-    return map_np_dtype_to_fluid_dtype[dtype.name]
 
-
-class IPUOpTest(unittest.TestCase):
+class IPUTest(unittest.TestCase):
     @classmethod
     def setUpClass(cls):
         # Get random seeds
@@ -67,12 +64,7 @@ class IPUOpTest(unittest.TestCase):
         cls.SEED = 2021
         np.random.seed(cls.SEED)
         random.seed(cls.SEED)
-
-        # For ipu, most ops support fp16
-        cls.amp_list = paddle.static.amp.CustomOpLists(
-            custom_black_list=[], custom_white_list=[])
-        cls.amp_list.unsupported_list = {}
-        cls.amp_list.black_list = {}
+        paddle.seed(cls.SEED)
 
         # Enable paddle static graph mode
         paddle.enable_static()
@@ -83,6 +75,7 @@ class IPUOpTest(unittest.TestCase):
         np.random.set_state(cls._np_rand_state)
         random.setstate(cls._py_rand_state)
 
+    # Check if ipumodel mode is enabled
     @classmethod
     def use_ipumodel(cls):
         if 'POPLAR_IPUMODEL' not in os.environ:
@@ -92,6 +85,69 @@ class IPUOpTest(unittest.TestCase):
             if flag.upper() in ['1', "TRUE"]:
                 return True
 
+    # Decorator for static graph building
+    def static_graph(builder):
+        def wrapper(self, *args, **kwargs):
+            self.scope = paddle.static.Scope()
+            self.main_prog = paddle.static.Program()
+            self.startup_prog = paddle.static.Program()
+            self.main_prog.random_seed = self.SEED
+            self.startup_prog.random_seed = self.SEED
+            with paddle.static.scope_guard(self.scope):
+                with paddle.utils.unique_name.guard(
+                        paddle.utils.unique_name.generate('')):
+                    with paddle.static.program_guard(self.main_prog,
+                                                     self.startup_prog):
+                        builder(self, *args, **kwargs)
+
+        return wrapper
+
+    # Cast a fp32 model to a full-fp16 model
+    @classmethod
+    def cast_model_to_fp16(cls, main_program):
+        amp_list = paddle.static.amp.CustomOpLists()
+        amp_list.unsupported_list = {}
+        to_fp16_var_names = paddle.static.amp.cast_model_to_fp16(
+            main_program, amp_list, use_fp16_guard=False)
+        paddle.static.amp.cast_parameters_to_fp16(
+            paddle.CPUPlace(),
+            main_program,
+            to_fp16_var_names=to_fp16_var_names)
+
+
+class IPUOpTest(IPUTest):
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+
+        # Items that a op_tester needs
+        cls.main_prog: paddle.static.Program = None
+        cls.startup_prog: paddle.static.Program = None
+        cls.scope: paddle.static.Scope = None
+        cls.feed_list: List[str] = None
+        cls.fetch_list: List[str] = None
+        cls.output_dict: Optional[Dict] = {}
+
+    @property
+    def fp16_enabled(self):
+        return True
+
+    def skip_mode(self, exec_mode):
+        if exec_mode > ExecutionMode.IPU_FP32 and not self.fp16_enabled:
+            return True
+        else:
+            return False
+
+    def is_ipu_mode(self, exec_mode):
+        if exec_mode == ExecutionMode.CPU_FP32:
+            return False
+        return True
+
+    def is_fp16_mode(self, exec_mode):
+        if exec_mode != ExecutionMode.IPU_FP16:
+            return False
+        return True
+
     def set_atol(self):
         self.atol = 1e-10
         self.rtol = 1e-6
@@ -102,55 +158,90 @@ class IPUOpTest(unittest.TestCase):
         self.is_training = False
         self.epoch = 1
 
-    def check(self, outputs, check_shape=False):
-        cpu_fp32 = outputs[ExecutionMode.CPU_FP32]
-        ipu_fp32 = outputs[ExecutionMode.IPU_FP32]
-        max_diff = np.abs(cpu_fp32 - ipu_fp32).max()
-        fp32_flag = np.allclose(
-            cpu_fp32, ipu_fp32, rtol=self.rtol, atol=self.atol)
-        self.assertTrue(fp32_flag, "max diff is %f" % (max_diff))
+    def run_op_test(self, exec_mode, ipu_strategy=None):
+        # NOTE: some op has no inputs
+        # if len(self.feed_list) == 0 or len(self.fetch_list) == 0:
+        #     raise ValueError('feed_list or fetch_list is empty')
+        if self.is_ipu_mode(exec_mode):
+            place = paddle.IPUPlace()
+        else:
+            place = paddle.CPUPlace()
+        exe = paddle.static.Executor(place)
+        exe.run(self.startup_prog)
+        if self.is_ipu_mode(exec_mode):
+            if ipu_strategy is None:
+                ipu_strategy = paddle.static.IpuStrategy()
+                ipu_strategy.set_graph_config(is_training=self.is_training)
+            if self.is_fp16_mode(exec_mode):
+                ipu_strategy.set_precision_config(enable_fp16=True)
+                IPUOpTest.cast_model_to_fp16(self.main_prog)
+            program = paddle.static.IpuCompiledProgram(
+                self.main_prog, ipu_strategy=ipu_strategy).compile(
+                    self.feed_list, self.fetch_list)
+        else:
+            program = self.main_prog
+
+        feed = self.feed_fp32
+        if self.is_fp16_mode(exec_mode):
+            feed = self.feed_fp16
+
+        if self.is_training:
+            result = []
+            for _ in range(self.epoch):
+                loss_res = exe.run(program,
+                                   feed=feed,
+                                   fetch_list=self.fetch_list)
+                result.append(loss_res)
+        else:
+            result = exe.run(program, feed=feed, fetch_list=self.fetch_list)
+
+        if isinstance(result, list) and len(result) == 1:
+            self.output_dict[exec_mode] = result[0]
+        else:
+            self.output_dict[exec_mode] = result
+
+    def check(self, check_shape=False, output_dict=None):
+        if output_dict is None:
+            output_dict = self.output_dict
+        if len(output_dict) == 0:
+            raise ValueError("output_dict is empty")
+        cpu_fp32 = output_dict[ExecutionMode.CPU_FP32]
+        ipu_fp32 = output_dict[ExecutionMode.IPU_FP32]
+        cpu_fp32 = np.asarray(cpu_fp32).astype(np.float32).flatten()
+        ipu_fp32 = np.asarray(ipu_fp32).astype(np.float32).flatten()
+        pass_check = np.allclose(
+            ipu_fp32, cpu_fp32, rtol=self.rtol, atol=self.atol)
+        if not pass_check:
+            max_atol = np.abs(ipu_fp32 - cpu_fp32).max()
+            cpu_fp32_abs = np.abs(cpu_fp32)
+            cpu_fp32_abs[cpu_fp32_abs == 0.0] = 1e-20
+            max_rtol = (np.abs(ipu_fp32 - cpu_fp32) / cpu_fp32_abs).max()
+            raise AssertionError(
+                f"ipu_fp32 check failed. max_atol is {max_atol}, max_rtol is {max_rtol}"
+            )
 
         if check_shape:
             self.assertTrue(cpu_fp32.shape == ipu_fp32.shape)
 
-        ipu_popart_fp16 = None
-        if ExecutionMode.IPU_POPART_FP16 in outputs.keys():
-            ipu_popart_fp16 = outputs[ExecutionMode.IPU_POPART_FP16]
-            max_diff = np.abs(ipu_popart_fp16.astype(np.float32) -
-                              cpu_fp32).max()
-            fp16_flag = np.allclose(
-                ipu_popart_fp16.astype(np.float32),
-                cpu_fp32,
-                rtol=self.rtol_fp16,
-                atol=self.atol_fp16)
-            self.assertTrue(fp16_flag, "max diff is %f" % (max_diff))
+        if ExecutionMode.IPU_FP16 in output_dict.keys():
+            ipu_fp16 = output_dict[ExecutionMode.IPU_FP16]
+            ipu_fp16 = np.asarray(ipu_fp16).astype(np.float32).flatten()
+            pass_check = np.allclose(
+                ipu_fp16, cpu_fp32, rtol=self.rtol_fp16, atol=self.atol_fp16)
+            if not pass_check:
+                max_atol = np.abs(ipu_fp16 - cpu_fp32).max()
+                cpu_fp32_abs = np.abs(cpu_fp32)
+                cpu_fp32_abs[cpu_fp32_abs == 0.0] = 1e-20
+                max_rtol = (np.abs(ipu_fp16 - cpu_fp32) / cpu_fp32_abs).max()
+                raise AssertionError(
+                    f"ipu_fp16 check failed. max_atol is {max_atol}, max_rtol is {max_rtol}"
+                )
 
             if check_shape:
-                self.assertTrue(ipu_popart_fp16.shape == cpu_fp32.shape)
-
-            ipu_mixed_precision = None
-            if ExecutionModeFull.IPU_MIXED_PRECISION in outputs.keys():
-                ipu_mixed_precision = outputs[
-                    ExecutionModeFull.IPU_MIXED_PRECISION]
-                max_diff = np.abs(
-                    ipu_mixed_precision.astype(np.float32) - cpu_fp32).max()
-                fp16_flag = np.allclose(
-                    ipu_mixed_precision.astype(np.float32),
-                    cpu_fp32,
-                    rtol=self.rtol_fp16,
-                    atol=self.atol_fp16)
-                self.assertTrue(fp16_flag, "max diff is %f" % (max_diff))
-
-                if check_shape:
-                    self.assertTrue(ipu_mixed_precision.shape == cpu_fp32.shape)
-
-            if ExecutionMode.IPU_POPART_FP16 in outputs.keys(
-            ) and ExecutionModeFull.IPU_MIXED_PRECISION in outputs.keys():
-                max_diff = np.abs(ipu_popart_fp16 - ipu_mixed_precision).max()
-                self.assertEqual(ipu_popart_fp16.all(),
-                                 ipu_mixed_precision.all(),
-                                 "max diff is %f" % (max_diff))
-
-                if check_shape:
-                    self.assertTrue(
-                        ipu_popart_fp16.shape == ipu_mixed_precision.shape)
+                self.assertTrue(ipu_fp16.shape == cpu_fp32.shape)
+
+    # Execution Mode
+    class ExecutionMode(IntEnum):
+        CPU_FP32 = ExecutionModeFull.CPU_FP32
+        IPU_FP32 = ExecutionModeFull.IPU_FP32
+        IPU_FP16 = ExecutionModeFull.IPU_FP16
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_activation_x_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_activation_x_op_ipu.py
index 138365b650f24c59690530aceeefb96ed52cc165..b90c3374db96e622d8e79055260c6e1698708c61 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_activation_x_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_activation_x_op_ipu.py
@@ -18,8 +18,7 @@ import numpy as np
 import paddle
 import paddle.nn.functional as F
 import paddle.static
-from paddle.fluid.tests.unittests.ipu.op_test_ipu import (ExecutionMode,
-                                                          IPUOpTest)
+from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
 
 
 @unittest.skipIf(not paddle.is_compiled_with_ipu(),
@@ -32,10 +31,6 @@ class TestRelu(IPUOpTest):
         self.set_data_feed()
         self.set_feed_attr()
 
-    @property
-    def fp16_enabled(self):
-        return True
-
     def set_test_op(self):
         self.op = paddle.fluid.layers.relu
         self.op_attrs = {}
@@ -49,60 +44,22 @@ class TestRelu(IPUOpTest):
         self.feed_shape = [x.shape for x in self.feed_fp32.values()]
         self.feed_list = list(self.feed_fp32.keys())
 
-    def _test_base(self, exec_mode):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype='float32')
-
-                out = self.op(x, **self.op_attrs)
-
-                fetch_list = [out.name]
-
-            if exec_mode == ExecutionMode.CPU_FP32:
-                place = paddle.CPUPlace()
-            else:
-                place = paddle.IPUPlace()
+    @IPUOpTest.static_graph
+    def build_model(self):
+        x = paddle.static.data(
+            name=self.feed_list[0], shape=self.feed_shape[0], dtype='float32')
+        out = self.op(x, **self.op_attrs)
+        self.fetch_list = [out.name]
 
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                if exec_mode == ExecutionMode.IPU_POPART_FP16:
-                    ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            feed = self.feed_fp32
-            if exec_mode > ExecutionMode.IPU_FP32:
-                feed = self.feed_fp16
-
-            result = exe.run(program, feed=feed, fetch_list=fetch_list)
-            return result[0]
+    def run_model(self, exec_mode):
+        self.run_op_test(exec_mode)
 
     def test(self):
-        output_dict = {}
-        for mode in ExecutionMode:
-            if mode > ExecutionMode.IPU_FP32 and not self.fp16_enabled:
-                break
-            output_dict[mode] = self._test_base(mode).flatten()
-
-        self.check(output_dict)
+        for m in IPUOpTest.ExecutionMode:
+            if not self.skip_mode(m):
+                self.build_model()
+                self.run_model(m)
+        self.check()
 
 
 class TestTanh(TestRelu):
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_arg_max_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_arg_max_op_ipu.py
index d14eba98ef5d7a0d7fb083d4e51e65c1ec732547..c48ce75ccd9f38eb9b1081754b5d9348a89828b2 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_arg_max_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_arg_max_op_ipu.py
@@ -17,8 +17,7 @@ import unittest
 import numpy as np
 import paddle
 import paddle.static
-from paddle.fluid.tests.unittests.ipu.op_test_ipu import (ExecutionMode,
-                                                          IPUOpTest)
+from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
 
 
 @unittest.skipIf(not paddle.is_compiled_with_ipu(),
@@ -31,12 +30,8 @@ class TestBase(IPUOpTest):
         self.set_feed_attr()
         self.set_op_attrs()
 
-    @property
-    def fp16_enabled(self):
-        return True
-
     def set_data_feed(self):
-        data = np.random.uniform(size=[10, 1000])
+        data = np.random.uniform(size=[10, 500]).astype(np.float16)
         self.feed_fp32 = {"in_0": data.astype(np.float32)}
         self.feed_fp16 = {"in_0": data.astype(np.float16)}
 
@@ -48,64 +43,24 @@ class TestBase(IPUOpTest):
     def set_op_attrs(self):
         self.attrs = {"axis": -1}
 
-    def _test_base(self, exec_mode):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype='float32')
-
-                out = paddle.fluid.layers.argmax(x, **self.attrs)
-
-            fetch_list = [out.name]
-
-            if exec_mode == ExecutionMode.CPU_FP32:
-                place = paddle.CPUPlace()
-            else:
-                place = paddle.IPUPlace()
-
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                if exec_mode == ExecutionMode.IPU_POPART_FP16:
-                    ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            feed = self.feed_fp32
-            if exec_mode > ExecutionMode.IPU_FP32:
-                feed = self.feed_fp16
-
-            result = exe.run(program, feed=feed, fetch_list=fetch_list)
-            return result[0].astype(np.int32)
-
-    def test_base(self):
-        output_dict_fp32 = {}
-        output_dict_fp16 = {}
-        for mode in ExecutionMode:
-            if mode > ExecutionMode.IPU_FP32 and not self.fp16_enabled:
-                break
-
-            if mode > ExecutionMode.IPU_FP32:
-                output_dict_fp16[mode] = self._test_base(mode).flatten()
-            else:
-                output_dict_fp32[mode] = self._test_base(mode).flatten()
-
-        self.check(output_dict_fp32)
+    @IPUOpTest.static_graph
+    def build_model(self):
+        x = paddle.static.data(
+            name=self.feed_list[0], shape=self.feed_shape[0], dtype='float32')
+        out = paddle.fluid.layers.argmax(x, **self.attrs)
+        self.fetch_list = [out.name]
+
+    def run_model(self, exec_mode):
+        self.run_op_test(exec_mode)
+
+    def test(self):
+        for m in IPUOpTest.ExecutionMode:
+            if not self.skip_mode(m):
+                self.build_model()
+                self.run_model(m)
+        for k, v in self.output_dict.items():
+            self.output_dict[k] = v.astype(np.int32)
+        self.check()
 
 
 class TestCase1(TestBase):
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_assign_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_assign_op_ipu.py
index 35f4ca17d5eba69c78bfb47955e3604af8fc6854..1239a97f2f6536ed44968f21479b781cd3c70b3a 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_assign_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_assign_op_ipu.py
@@ -17,7 +17,7 @@ import unittest
 import numpy as np
 import paddle
 import paddle.static
-from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest, ExecutionMode
+from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
 
 
 @unittest.skipIf(not paddle.is_compiled_with_ipu(),
@@ -29,10 +29,6 @@ class TestBase(IPUOpTest):
         self.set_data_feed()
         self.set_feed_attr()
 
-    @property
-    def fp16_enabled(self):
-        return True
-
     def set_data_feed(self):
         data = np.random.uniform(size=[2, 3, 1])
         self.feed_fp32 = {'in_0': data.astype(np.float32)}
@@ -42,60 +38,23 @@ class TestBase(IPUOpTest):
         self.feed_shape = [x.shape for x in self.feed_fp32.values()]
         self.feed_list = list(self.feed_fp32.keys())
 
-    def _test_base(self, exec_mode):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype='float32')
-
-                assign = paddle.assign(x)
-                out = paddle.fluid.layers.elementwise_add(assign, assign)
-
-                fetch_list = [out.name]
-
-            if exec_mode == ExecutionMode.CPU_FP32:
-                place = paddle.CPUPlace()
-            else:
-                place = paddle.IPUPlace()
-
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                if exec_mode == ExecutionMode.IPU_POPART_FP16:
-                    ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            feed = self.feed_fp32
-            if exec_mode > ExecutionMode.IPU_FP32:
-                feed = self.feed_fp16
-
-            result = exe.run(program, feed=feed, fetch_list=fetch_list)
-            return result[0]
+    @IPUOpTest.static_graph
+    def build_model(self):
+        x = paddle.static.data(
+            name=self.feed_list[0], shape=self.feed_shape[0], dtype='float32')
+        x = paddle.assign(x)
+        out = paddle.fluid.layers.elementwise_add(x, x)
+        self.fetch_list = [out.name]
 
-    def test(self):
-        output_dict = {}
-        for mode in ExecutionMode:
-            if mode > ExecutionMode.IPU_FP32 and not self.fp16_enabled:
-                break
-            output_dict[mode] = self._test_base(mode).flatten()
+    def run_model(self, exec_mode):
+        self.run_op_test(exec_mode)
 
-        self.check(output_dict)
+    def test(self):
+        for m in IPUOpTest.ExecutionMode:
+            if not self.skip_mode(m):
+                self.build_model()
+                self.run_model(m)
+        self.check()
 
 
 class TestAssignFp32Value(TestBase):
@@ -107,51 +66,13 @@ class TestAssignFp32Value(TestBase):
         data = np.random.uniform(size=[2, 3, 1])
         self.assign_fp32 = data.astype(np.float32)
 
-    def _test_base(self, exec_mode):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype='float32')
-
-                assign = paddle.assign(self.assign_fp32)
-                out = paddle.fluid.layers.elementwise_add(x, assign)
-
-                fetch_list = [out.name]
-
-            if exec_mode == ExecutionMode.CPU_FP32:
-                place = paddle.CPUPlace()
-            else:
-                place = paddle.IPUPlace()
-
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                if exec_mode == ExecutionMode.IPU_POPART_FP16:
-                    ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            feed = self.feed_fp32
-            if exec_mode > ExecutionMode.IPU_FP32:
-                feed = self.feed_fp16
-
-            result = exe.run(program, feed=feed, fetch_list=fetch_list)
-            return result[0]
+    @IPUOpTest.static_graph
+    def build_model(self):
+        x = paddle.static.data(
+            name=self.feed_list[0], shape=self.feed_shape[0], dtype='float32')
+        assign = paddle.assign(self.assign_fp32)
+        out = paddle.fluid.layers.elementwise_add(x, assign)
+        self.fetch_list = [out.name]
 
 
 class TestAssignBoolValue(TestBase):
@@ -162,52 +83,15 @@ class TestAssignBoolValue(TestBase):
         data = np.random.choice([True, False], size=(2, 3, 1))
         self.assign_bool = data.astype(np.bool)
 
-    def _test_base(self, exec_mode):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype='float32')
-                x = paddle.less_than(x, x)
-                assign = paddle.assign(self.assign_bool)
-                out = paddle.logical_and(x, assign)
-                out = paddle.cast(out, 'float32')
-
-                fetch_list = [out.name]
-
-            if exec_mode == ExecutionMode.CPU_FP32:
-                place = paddle.CPUPlace()
-            else:
-                place = paddle.IPUPlace()
-
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                if exec_mode == ExecutionMode.IPU_POPART_FP16:
-                    ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            feed = self.feed_fp32
-            if exec_mode > ExecutionMode.IPU_FP32:
-                feed = self.feed_fp16
-
-            result = exe.run(program, feed=feed, fetch_list=fetch_list)
-            return result[0]
+    @IPUOpTest.static_graph
+    def build_model(self):
+        x = paddle.static.data(
+            name=self.feed_list[0], shape=self.feed_shape[0], dtype='float32')
+        x = paddle.less_than(x, x)
+        assign = paddle.assign(self.assign_bool)
+        x = paddle.logical_and(x, assign)
+        out = paddle.cast(x, 'float32')
+        self.fetch_list = [out.name]
 
 
 if __name__ == "__main__":
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_avg_shard_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_avg_shard_ipu.py
index f34e5b0d8b9dc60a5f06187b67d48a128923bdcc..cf494034fd86f82bc1b96435627992d052ad1721 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_avg_shard_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_avg_shard_ipu.py
@@ -17,7 +17,7 @@ import unittest
 import numpy as np
 import paddle
 import paddle.static
-from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest, ExecutionMode
+from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
 
 
 @unittest.skipIf(not paddle.is_compiled_with_ipu(),
@@ -29,10 +29,6 @@ class TestBase(IPUOpTest):
         self.set_data_feed()
         self.set_feed_attr()
 
-    @property
-    def fp16_enabled(self):
-        return True
-
     def set_atol(self):
         self.atol = 2e-6
         self.rtol = 1e-5
@@ -48,67 +44,32 @@ class TestBase(IPUOpTest):
         self.feed_shape = [x.shape for x in self.feed_fp32.values()]
         self.feed_list = list(self.feed_fp32.keys())
 
-    def _test_base(self, exec_mode):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype='float32')
-
-                x = paddle.static.nn.conv2d(
-                    x, num_filters=3, filter_size=3, bias_attr=False)
-                x = paddle.static.nn.conv2d(
-                    x, num_filters=3, filter_size=3, bias_attr=False)
-                x = paddle.static.nn.conv2d(
-                    x, num_filters=3, filter_size=3, bias_attr=False)
-                x = paddle.static.nn.conv2d(
-                    x, num_filters=3, filter_size=3, bias_attr=False)
-
-                fetch_list = [x.name]
-
-            if exec_mode == ExecutionMode.CPU_FP32:
-                place = paddle.CPUPlace()
-            else:
-                place = paddle.IPUPlace()
-
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                ipu_strategy.set_options({'need_avg_shard': True})
-                if exec_mode == ExecutionMode.IPU_POPART_FP16:
-                    ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            feed = self.feed_fp32
-            if exec_mode > ExecutionMode.IPU_FP32:
-                feed = self.feed_fp16
-
-            result = exe.run(program, feed=feed, fetch_list=fetch_list)
-            return result[0]
+    @IPUOpTest.static_graph
+    def build_model(self):
+        x = paddle.static.data(
+            name=self.feed_list[0], shape=self.feed_shape[0], dtype='float32')
+        x = paddle.static.nn.conv2d(
+            x, num_filters=3, filter_size=3, bias_attr=False)
+        x = paddle.static.nn.conv2d(
+            x, num_filters=3, filter_size=3, bias_attr=False)
+        x = paddle.static.nn.conv2d(
+            x, num_filters=3, filter_size=3, bias_attr=False)
+        x = paddle.static.nn.conv2d(
+            x, num_filters=3, filter_size=3, bias_attr=False)
+        self.fetch_list = [x.name]
+
+    def run_model(self, exec_mode):
+        ipu_strategy = paddle.static.IpuStrategy()
+        ipu_strategy.set_graph_config(is_training=self.is_training)
+        ipu_strategy.set_options({'need_avg_shard': True})
+        self.run_op_test(exec_mode, ipu_strategy)
 
     def test(self):
-        output_dict = {}
-        for mode in ExecutionMode:
-            if mode > ExecutionMode.IPU_FP32 and not self.fp16_enabled:
-                break
-            output_dict[mode] = self._test_base(mode).flatten()
-
-        self.check(output_dict)
+        for m in IPUOpTest.ExecutionMode:
+            if not self.skip_mode(m):
+                self.build_model()
+                self.run_model(m)
+        self.check()
 
 
 if __name__ == "__main__":
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_batch_norm_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_batch_norm_op_ipu.py
index c640cd441f1b2589bcc3ffa466b865d1fb34c582..adb2abfc474183bd4e1a23eeccd775525e2322f8 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_batch_norm_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_batch_norm_op_ipu.py
@@ -17,8 +17,7 @@ import unittest
 import numpy as np
 import paddle
 import paddle.static
-from paddle.fluid.tests.unittests.ipu.op_test_ipu import (ExecutionMode,
-                                                          IPUOpTest)
+from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
 
 
 @unittest.skipIf(not paddle.is_compiled_with_ipu(),
@@ -31,10 +30,6 @@ class TestBase(IPUOpTest):
         self.set_feed_attr()
         self.set_op_attrs()
 
-    @property
-    def fp16_enabled(self):
-        return True
-
     def set_atol(self):
         self.atol = 1e-6
         self.rtol = 1e-5
@@ -56,61 +51,24 @@ class TestBase(IPUOpTest):
         self.attrs['data_layout'] = 'NCHW'
         self.attrs['in_place'] = False
 
-    def _test_base(self, exec_mode):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype='float32')
-
-                conv1 = paddle.static.nn.conv2d(
-                    x, num_filters=3, filter_size=3, bias_attr=False)
-                out = paddle.fluid.layers.batch_norm(conv1, **self.attrs)
-
-                fetch_list = [out.name]
-
-            if exec_mode == ExecutionMode.CPU_FP32:
-                place = paddle.CPUPlace()
-            else:
-                place = paddle.IPUPlace()
-
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                if exec_mode == ExecutionMode.IPU_POPART_FP16:
-                    ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            feed = self.feed_fp32
-            if exec_mode > ExecutionMode.IPU_FP32:
-                feed = self.feed_fp16
-
-            result = exe.run(program, feed=feed, fetch_list=fetch_list)
-            return result[0]
+    @IPUOpTest.static_graph
+    def build_model(self):
+        x = paddle.static.data(
+            name=self.feed_list[0], shape=self.feed_shape[0], dtype='float32')
+        x = paddle.static.nn.conv2d(
+            x, num_filters=3, filter_size=3, bias_attr=False)
+        x = paddle.fluid.layers.batch_norm(x, **self.attrs)
+        self.fetch_list = [x.name]
 
-    def test(self):
-        output_dict = {}
-        for mode in ExecutionMode:
-            if mode > ExecutionMode.IPU_FP32 and not self.fp16_enabled:
-                break
-            output_dict[mode] = self._test_base(mode).flatten()
+    def run_model(self, exec_mode):
+        self.run_op_test(exec_mode)
 
-        self.check(output_dict)
+    def test(self):
+        for m in IPUOpTest.ExecutionMode:
+            if not self.skip_mode(m):
+                self.build_model()
+                self.run_model(m)
+        self.check()
 
 
 class TestCase1(TestBase):
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_batchs_per_step_simple_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_batchs_per_step_simple_ipu.py
deleted file mode 100644
index ef61e651b2ad9a40d941f196443d6d21dee78850..0000000000000000000000000000000000000000
--- a/python/paddle/fluid/tests/unittests/ipu/test_batchs_per_step_simple_ipu.py
+++ /dev/null
@@ -1,87 +0,0 @@
-#  Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#    http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-from __future__ import print_function
-
-import numpy as np
-import unittest
-import paddle
-import paddle.static
-
-paddle.enable_static()
-SEED = 2021
-
-
-@unittest.skipIf(not paddle.is_compiled_with_ipu(),
-                 "core is not compiled with IPU")
-class TestFunc(unittest.TestCase):
-    def _test_func(self, run_ipu=True):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = SEED
-        startup_prog.random_seed = SEED
-        np.random.seed(SEED)
-
-        bps = 5
-        n = 1 if run_ipu else -1
-        c, h, w = 3, 10, 10
-        np_image = np.random.uniform(size=[1 * bps, c, h, w]).astype(np.float32)
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                image = paddle.static.data(
-                    name='image', shape=[n, c, h, w], dtype='float32')
-                conv2d = paddle.static.nn.conv2d(
-                    image, num_filters=3, filter_size=3, bias_attr=False)
-
-                out = conv2d
-
-            if run_ipu:
-                place = paddle.IPUPlace()
-            else:
-                place = paddle.CPUPlace()
-
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if run_ipu:
-                feed_list = [image.name]
-                fetch_list = [out.name]
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=False)
-                ipu_strategy.set_pipelining_config(batches_per_step=bps)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog, ipu_strategy=ipu_strategy).compile(feed_list,
-                                                                  fetch_list)
-            else:
-                program = main_prog
-
-            result = exe.run(program,
-                             feed={image.name: np_image},
-                             fetch_list=[out])
-            return result[0]
-
-    def test_func(self):
-        ipu_res = self._test_func(True)
-        cpu_res = self._test_func(False)
-
-        if np.prod(ipu_res.shape) == np.prod(cpu_res.shape):
-            ipu_res = ipu_res.reshape(cpu_res.shape)
-
-        self.assertTrue(np.allclose(ipu_res, cpu_res, atol=1e-4))
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_cast_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_cast_op_ipu.py
index 2de23d95e1c96e51d3f0b0ec44fbfad5a111796f..4d412f2a799776a905e7d8984c85af1fa92f8775 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_cast_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_cast_op_ipu.py
@@ -30,175 +30,81 @@ class TestBase(IPUOpTest):
         self.set_feed_attr()
         self.set_op_attrs()
 
-    def set_atol(self):
-        self.atol = 1e-3
+    @property
+    def fp16_enabled(self):
+        return False
 
     def set_data_feed(self):
-        self.feed = {
-            "x": np.random.uniform(size=[1, 3, 3, 3]).astype('float32'),
-        }
+        data = np.random.uniform(size=[1, 3, 3, 3])
+        self.feed_fp32 = {'x': data.astype(np.float32)}
 
     def set_feed_attr(self):
-        self.feed_shape = [x.shape for x in self.feed.values()]
-        self.feed_list = list(self.feed.keys())
-        self.feed_dtype = [x.dtype for x in self.feed.values()]
+        self.feed_shape = [x.shape for x in self.feed_fp32.values()]
+        self.feed_list = list(self.feed_fp32.keys())
+        self.feed_dtype = [x.dtype for x in self.feed_fp32.values()]
 
     def set_op_attrs(self):
         self.attrs = {}
         self.attrs['dtype'] = 'float16'
 
-    def _test_base(self, run_ipu=True):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype=self.feed_dtype[0])
-                out = paddle.cast(x, **self.attrs)
-                fetch_list = [out.name]
-
-            if run_ipu:
-                place = paddle.IPUPlace()
-            else:
-                place = paddle.CPUPlace()
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if run_ipu:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            result = exe.run(program, feed=self.feed, fetch_list=fetch_list)
-            return result[0]
-
-    def test_base(self):
-        res0 = self._test_base(True)
-        res1 = self._test_base(False)
-
-        self.assertTrue(
-            np.allclose(
-                res0.flatten(), res1.flatten(), atol=self.atol))
-
-        self.assertTrue(res0.shape == res1.shape)
+    @IPUOpTest.static_graph
+    def build_model(self):
+        x = paddle.static.data(
+            name=self.feed_list[0],
+            shape=self.feed_shape[0],
+            dtype=self.feed_dtype[0])
+        out = paddle.cast(x, **self.attrs)
+        self.fetch_list = [out.name]
+
+    def run_model(self, exec_mode):
+        self.run_op_test(exec_mode)
+
+    def test(self):
+        for m in IPUOpTest.ExecutionMode:
+            if not self.skip_mode(m):
+                self.build_model()
+                self.run_model(m)
+        self.check()
 
 
 class TestEnableFp16(TestBase):
-    def set_atol(self):
-        self.atol = 1e-10
+    @property
+    def fp16_enabled(self):
+        return True
+
+    def run_model(self, exec_mode):
+        self.run_op_test(exec_mode)
 
     def set_data_feed(self):
-        self.feed = {"x": np.array([1, 200, 3000, 40000]).astype('int32'), }
+        data = np.random.uniform(size=[1, 3, 3, 3])
+        self.feed_fp32 = {'x': data.astype(np.float32)}
+        self.feed_fp16 = {'x': data.astype(np.float16)}
 
     def set_op_attrs(self):
         self.attrs = {}
         self.attrs['dtype'] = 'float32'
 
-    def _test_base(self, run_ipu=True):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype=self.feed_dtype[0])
-                out = paddle.cast(x, **self.attrs)
-                fetch_list = [out.name]
-
-            if run_ipu:
-                place = paddle.IPUPlace()
-            else:
-                place = paddle.CPUPlace()
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if run_ipu:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            result = exe.run(program, feed=self.feed, fetch_list=fetch_list)
-            return result[0]
-
 
 class TestDisableTransferCast(TestEnableFp16):
-    def set_atol(self):
-        self.atol = 1e-10
-
     def set_data_feed(self):
-        self.feed = {"x": np.array([1, 200, 3000, 40000]).astype('int32'), }
+        data = np.random.uniform(size=[1, 3, 3, 3])
+        self.feed_fp32 = {'x': data.astype(np.float32)}
+        self.feed_fp16 = {'x': data.astype(np.float16)}
 
     def set_op_attrs(self):
         self.attrs = {}
         self.attrs['dtype'] = 'float32'
 
-    def _test_base(self, run_ipu=True):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype=self.feed_dtype[0])
-                out = paddle.cast(x, **self.attrs)
-                fetch_list = [out.name]
-
-            if run_ipu:
-                place = paddle.IPUPlace()
-            else:
-                place = paddle.CPUPlace()
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if run_ipu:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                ipu_strategy.set_precision_config(enable_fp16=True)
-                ipu_strategy.set_options({"transfer_cast_op": False})
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            result = exe.run(program, feed=self.feed, fetch_list=fetch_list)
-            return result[0]
+    def run_model(self, exec_mode):
+        ipu_strategy = paddle.static.IpuStrategy()
+        ipu_strategy.set_graph_config(is_training=self.is_training)
+        ipu_strategy.set_options({"transfer_cast_op": False})
+        self.run_op_test(exec_mode)
 
 
 class TestCase2(TestBase):
-    def set_atol(self):
-        self.atol = 1e-10
-
     def set_data_feed(self):
-        self.feed = {
+        self.feed_fp32 = {
             "x": np.random.uniform(size=[1, 3, 3, 3]).astype('float16'),
         }
 
@@ -208,11 +114,8 @@ class TestCase2(TestBase):
 
 
 class TestCase3(TestBase):
-    def set_atol(self):
-        self.atol = 1e-10
-
     def set_data_feed(self):
-        self.feed = {
+        self.feed_fp32 = {
             "x": np.random.uniform(size=[1, 3, 3, 3]).astype('float32'),
         }
 
@@ -222,11 +125,8 @@ class TestCase3(TestBase):
 
 
 class TestCase4(TestBase):
-    def set_atol(self):
-        self.atol = 1e-10
-
     def set_data_feed(self):
-        self.feed = {
+        self.feed_fp32 = {
             "x": np.random.uniform(size=[1, 3, 3, 3]).astype('int32'),
         }
 
@@ -236,11 +136,8 @@ class TestCase4(TestBase):
 
 
 class TestCase5(TestBase):
-    def set_atol(self):
-        self.atol = 1e-10
-
     def set_data_feed(self):
-        self.feed = {
+        self.feed_fp32 = {
             "x": np.random.uniform(size=[1, 3, 3, 3]).astype('float16'),
         }
 
@@ -250,11 +147,8 @@ class TestCase5(TestBase):
 
 
 class TestCase6(TestBase):
-    def set_atol(self):
-        self.atol = 1e-10
-
     def set_data_feed(self):
-        self.feed = {
+        self.feed_fp32 = {
             "x": np.random.uniform(size=[1, 3, 3, 3]).astype('int32'),
         }
 
@@ -273,7 +167,7 @@ class TestCase2(TestBase):
 @unittest.skip('skip float16 to float32')
 class TestCase3(TestBase):
     def set_data_feed(self):
-        self.feed = {
+        self.feed_fp32 = {
             "x": np.random.uniform(size=[1, 3, 3, 3]).astype('float16'),
         }
 
@@ -285,10 +179,11 @@ class TestCase3(TestBase):
 @unittest.skip('int32 to int8 is not supported')
 class TestCase4(TestBase):
     def set_atol(self):
+        super().set_atol()
         self.atol = 1
 
     def set_data_feed(self):
-        self.feed = {
+        self.feed_fp32 = {
             "x": np.random.randint(
                 low=1, high=100, size=[1, 3, 3, 3]).astype('int32'),
         }
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_concat_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_concat_op_ipu.py
index c5a8090283940e1e3aa034e47c7c11e6ed3dbfd3..a5410ab4990825f9be4359447faf0a0deb2eb13e 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_concat_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_concat_op_ipu.py
@@ -17,8 +17,7 @@ import unittest
 import numpy as np
 import paddle
 import paddle.static
-from paddle.fluid.tests.unittests.ipu.op_test_ipu import (ExecutionMode,
-                                                          IPUOpTest)
+from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
 
 
 @unittest.skipIf(not paddle.is_compiled_with_ipu(),
@@ -31,14 +30,9 @@ class TestBase(IPUOpTest):
         self.set_feed_attr()
         self.set_op_attrs()
 
-    @property
-    def fp16_enabled(self):
-        return True
-
     def set_data_feed(self):
         data1 = np.random.uniform(size=[1, 3, 10, 10])
         data2 = np.random.uniform(size=[1, 3, 10, 10])
-
         self.feed_fp32 = {
             'x': data1.astype(np.float32),
             'y': data2.astype(np.float32)
@@ -55,63 +49,24 @@ class TestBase(IPUOpTest):
     def set_op_attrs(self):
         self.attrs = {"axis": 0}
 
-    def _test_base(self, exec_mode):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype='float32')
-                y = paddle.static.data(
-                    name=self.feed_list[1],
-                    shape=self.feed_shape[1],
-                    dtype='float32')
-
-                out = paddle.fluid.layers.concat([x, y], **self.attrs)
-
-                fetch_list = [out.name]
-
-            if exec_mode == ExecutionMode.CPU_FP32:
-                place = paddle.CPUPlace()
-            else:
-                place = paddle.IPUPlace()
-
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                if exec_mode == ExecutionMode.IPU_POPART_FP16:
-                    ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            feed = self.feed_fp32
-            if exec_mode > ExecutionMode.IPU_FP32:
-                feed = self.feed_fp16
-
-            result = exe.run(program, feed=feed, fetch_list=fetch_list)
-            return result[0]
-
-    def test_base(self):
-        output_dict = {}
-        for mode in ExecutionMode:
-            if mode > ExecutionMode.IPU_FP32 and not self.fp16_enabled:
-                break
-            output_dict[mode] = self._test_base(mode).flatten()
-
-        self.check(output_dict)
+    @IPUOpTest.static_graph
+    def build_model(self):
+        x = paddle.static.data(
+            name=self.feed_list[0], shape=self.feed_shape[0], dtype='float32')
+        y = paddle.static.data(
+            name=self.feed_list[1], shape=self.feed_shape[1], dtype='float32')
+        out = paddle.fluid.layers.concat([x, y], **self.attrs)
+        self.fetch_list = [out.name]
+
+    def run_model(self, exec_mode):
+        self.run_op_test(exec_mode)
+
+    def test(self):
+        for m in IPUOpTest.ExecutionMode:
+            if not self.skip_mode(m):
+                self.build_model()
+                self.run_model(m)
+        self.check()
 
 
 class TestCase1(TestBase):
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_conv_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_conv_op_ipu.py
index ade54fda86929f0954c973463b91ed7981e385c3..e450621b11d3476996e92fe98886c759fac23076 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_conv_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_conv_op_ipu.py
@@ -17,7 +17,7 @@ import unittest
 import numpy as np
 import paddle
 import paddle.static
-from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest, ExecutionMode
+from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
 
 
 @unittest.skipIf(not paddle.is_compiled_with_ipu(),
@@ -26,26 +26,19 @@ class TestBase(IPUOpTest):
     def setUp(self):
         self.set_atol()
         self.set_training()
-        self.set_data_feed()
-        self.set_feed_attr()
+        self.set_feed()
         self.set_op_attrs()
 
-    @property
-    def fp16_enabled(self):
-        return True
-
     def set_atol(self):
         self.atol = 1e-6
         self.rtol = 1e-6
         self.atol_fp16 = 1e-3
         self.rtol_fp16 = 1e-3
 
-    def set_data_feed(self):
+    def set_feed(self):
         data = np.random.uniform(size=[1, 3, 10, 10])
         self.feed_fp32 = {'in_0': data.astype(np.float32)}
         self.feed_fp16 = {'in_0': data.astype(np.float16)}
-
-    def set_feed_attr(self):
         self.feed_shape = [x.shape for x in self.feed_fp32.values()]
         self.feed_list = list(self.feed_fp32.keys())
 
@@ -59,59 +52,22 @@ class TestBase(IPUOpTest):
         self.attrs['groups'] = 1
         self.attrs['data_format'] = 'NCHW'
 
-    def _test_base(self, exec_mode):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                image = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype='float32')
-
-                out = paddle.fluid.layers.conv2d(image, **self.attrs)
-
-                fetch_list = [out.name]
-
-            if exec_mode == ExecutionMode.CPU_FP32:
-                place = paddle.CPUPlace()
-            else:
-                place = paddle.IPUPlace()
-
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                if exec_mode == ExecutionMode.IPU_POPART_FP16:
-                    ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            feed = self.feed_fp32
-            if exec_mode > ExecutionMode.IPU_FP32:
-                feed = self.feed_fp16
-
-            result = exe.run(program, feed=feed, fetch_list=fetch_list)
-            return result[0]
+    @IPUOpTest.static_graph
+    def build_model(self):
+        x = paddle.static.data(
+            name=self.feed_list[0], shape=self.feed_shape[0], dtype='float32')
+        x = paddle.fluid.layers.conv2d(x, **self.attrs)
+        self.fetch_list = [x.name]
 
-    def test(self):
-        output_dict = {}
-        for mode in ExecutionMode:
-            if mode > ExecutionMode.IPU_FP32 and not self.fp16_enabled:
-                break
-            output_dict[mode] = self._test_base(mode).flatten()
+    def run_model(self, exec_mode):
+        self.run_op_test(exec_mode)
 
-        self.check(output_dict)
+    def test(self):
+        for m in IPUOpTest.ExecutionMode:
+            if not self.skip_mode(m):
+                self.build_model()
+                self.run_model(m)
+        self.check()
 
 
 class TestCase1(TestBase):
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_cross_entropy2_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_cross_entropy2_op_ipu.py
index 3a21f0cb0079c11b782e3fc83d82ced0c411114a..d035673e219dfef926dbc890cab9bb79156d014f 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_cross_entropy2_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_cross_entropy2_op_ipu.py
@@ -17,7 +17,7 @@ import unittest
 import numpy as np
 import paddle
 import paddle.static
-from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest, ExecutionMode
+from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
 
 
 @unittest.skipIf(not paddle.is_compiled_with_ipu(),
@@ -30,10 +30,6 @@ class TestBase(IPUOpTest):
         self.set_feed_attr()
         self.set_op_attrs()
 
-    @property
-    def fp16_enabled(self):
-        return True
-
     def set_data_feed(self):
         x = np.random.uniform(size=[3, 7])
         label = np.arange(3).reshape([3, 1])
@@ -53,81 +49,31 @@ class TestBase(IPUOpTest):
     def set_op_attrs(self):
         self.attrs = {'soft_label': False, }
 
-    def np_nll_loss(self):
-        tmp = -np.log(self.feed_fp32['x'])
-        label = self.feed_fp32['label']
-        indice = [range(label.shape[0]), label.flatten()]
-        self.np_ref = tmp[indice]
-
-    def _test_base(self, exec_mode):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype="float32")
-
-                if exec_mode != ExecutionMode.CPU_FP32:
-                    label = paddle.static.data(
-                        name=self.feed_list[1],
-                        shape=self.feed_shape[1],
-                        dtype='int32')
-                else:
-                    label = paddle.static.data(
-                        name=self.feed_list[1],
-                        shape=self.feed_shape[1],
-                        dtype='int64')
-
-                out = paddle.fluid.layers.cross_entropy(
-                    input=x, label=label, **self.attrs)
-
-                fetch_list = [out.name]
-
-            if exec_mode == ExecutionMode.CPU_FP32:
-                place = paddle.CPUPlace()
-            else:
-                place = paddle.IPUPlace()
-
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                if exec_mode == ExecutionMode.IPU_POPART_FP16:
-                    ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            feed = self.feed_fp32
-            if exec_mode > ExecutionMode.IPU_FP32:
-                feed = self.feed_fp16
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed['label'] = feed['label'].astype(np.int32)
-
-            result = exe.run(program, feed=feed, fetch_list=fetch_list)
-            return result[0]
+    @IPUOpTest.static_graph
+    def build_model(self, on_ipu):
+        x = paddle.static.data(
+            name=self.feed_list[0], shape=self.feed_shape[0], dtype="float32")
+        if on_ipu:
+            label = paddle.static.data(
+                name=self.feed_list[1], shape=self.feed_shape[1], dtype='int32')
+        else:
+            label = paddle.static.data(
+                name=self.feed_list[1], shape=self.feed_shape[1], dtype='int64')
+        out = paddle.fluid.layers.cross_entropy(
+            input=x, label=label, **self.attrs)
+        self.fetch_list = [out.name]
+
+    def run_model(self, exec_mode):
+        if self.is_ipu_mode(exec_mode):
+            self.feed_fp32['label'] = self.feed_fp32['label'].astype(np.int32)
+        self.run_op_test(exec_mode)
 
     def test(self):
-        output_dict = {}
-        for mode in ExecutionMode:
-            if mode > ExecutionMode.IPU_FP32 and not self.fp16_enabled:
-                break
-            output_dict[mode] = self._test_base(mode).flatten()
-        self.np_nll_loss()
-
-        self.check(output_dict)
+        for m in IPUOpTest.ExecutionMode:
+            if not self.skip_mode(m):
+                self.build_model(self.is_ipu_mode(m))
+                self.run_model(m)
+        self.check()
 
 
 class TestCase1(TestBase):
@@ -142,7 +88,6 @@ class TestCase2(TestBase):
     def set_data_feed(self):
         x = np.random.uniform(size=[30, 70])
         label = np.arange(30).reshape([30, 1])
-
         self.feed_fp32 = {
             "x": x.astype(np.float32),
             "label": label.astype(np.int64)
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_cumsum_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_cumsum_op_ipu.py
index 2f1d86daf00573f62d2dba9cf5a68c5d21c06db3..a0a145fb72b357f77f8311d7b7ab874dd51f00d2 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_cumsum_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_cumsum_op_ipu.py
@@ -17,7 +17,7 @@ import unittest
 import numpy as np
 import paddle
 import paddle.static
-from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest, ExecutionMode
+from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
 
 
 @unittest.skipIf(not paddle.is_compiled_with_ipu(),
@@ -48,60 +48,22 @@ class TestBase(IPUOpTest):
     def set_op_attrs(self):
         self.attrs = {}
 
-    def _test_base(self, exec_mode):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype="float32")
-
-                out = paddle.fluid.layers.cumsum(x, **self.attrs)
-
-                fetch_list = [out.name]
-
-            if exec_mode == ExecutionMode.CPU_FP32:
-                place = paddle.CPUPlace()
-            else:
-                place = paddle.IPUPlace()
-
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                if exec_mode == ExecutionMode.IPU_POPART_FP16:
-                    ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            feed = self.feed_fp32
-            if exec_mode > ExecutionMode.IPU_FP32:
-                feed = self.feed_fp16
-
-            result = exe.run(program, feed=feed, fetch_list=fetch_list)
-            return result[0]
+    @IPUOpTest.static_graph
+    def build_model(self):
+        x = paddle.static.data(
+            name=self.feed_list[0], shape=self.feed_shape[0], dtype="float32")
+        out = paddle.fluid.layers.cumsum(x, **self.attrs)
+        self.fetch_list = [out.name]
 
-    def test(self):
-        output_dict = {}
-        for mode in ExecutionMode:
-            if mode > ExecutionMode.IPU_FP32 and not self.fp16_enabled:
-                break
-
-            output_dict[mode] = self._test_base(mode).flatten()
+    def run_model(self, exec_mode):
+        self.run_op_test(exec_mode)
 
-        self.check(output_dict)
+    def test(self):
+        for m in IPUOpTest.ExecutionMode:
+            if not self.skip_mode(m):
+                self.build_model()
+                self.run_model(m)
+        self.check()
 
 
 class TestCase1(TestBase):
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_dropout_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_dropout_op_ipu.py
index e34da7f70167a601e4cdc0ed48beebb261935d8f..4e3b03ffca068647a8e440300092b0b154cd54fd 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_dropout_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_dropout_op_ipu.py
@@ -17,8 +17,7 @@ import unittest
 import numpy as np
 import paddle
 import paddle.static
-from paddle.fluid.tests.unittests.ipu.op_test_ipu import (ExecutionMode,
-                                                          IPUOpTest)
+from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
 
 
 @unittest.skipIf(not paddle.is_compiled_with_ipu(),
@@ -31,10 +30,6 @@ class TestBase(IPUOpTest):
         self.set_feed_attr()
         self.set_op_attrs()
 
-    @property
-    def fp16_enabled(self):
-        return True
-
     def set_data_feed(self):
         data = np.random.uniform(size=[1, 3, 10, 10])
         self.feed_fp32 = {'x': data.astype(np.float32)}
@@ -51,60 +46,23 @@ class TestBase(IPUOpTest):
             "dropout_implementation": "downgrade_in_infer"
         }
 
-    def _test_base(self, exec_mode):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype='float32')
-
-                dropout = paddle.fluid.layers.dropout(x, **self.attrs)
-                out = paddle.fluid.layers.elementwise_add(dropout, dropout)
-
-                fetch_list = [out.name]
-
-            if exec_mode == ExecutionMode.CPU_FP32:
-                place = paddle.CPUPlace()
-            else:
-                place = paddle.IPUPlace()
-
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                if exec_mode == ExecutionMode.IPU_POPART_FP16:
-                    ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            feed = self.feed_fp32
-            if exec_mode > ExecutionMode.IPU_FP32:
-                feed = self.feed_fp16
-
-            result = exe.run(program, feed=feed, fetch_list=fetch_list)
-            return result[0]
+    @IPUOpTest.static_graph
+    def build_model(self):
+        x = paddle.static.data(
+            name=self.feed_list[0], shape=self.feed_shape[0], dtype='float32')
+        x = paddle.fluid.layers.dropout(x, **self.attrs)
+        out = paddle.fluid.layers.elementwise_add(x, x)
+        self.fetch_list = [out.name]
 
-    def test(self):
-        output_dict = {}
-        for mode in ExecutionMode:
-            if mode > ExecutionMode.IPU_FP32 and not self.fp16_enabled:
-                break
-            output_dict[mode] = self._test_base(mode).flatten()
+    def run_model(self, exec_mode):
+        self.run_op_test(exec_mode)
 
-        self.check(output_dict)
+    def test(self):
+        for m in IPUOpTest.ExecutionMode:
+            if not self.skip_mode(m):
+                self.build_model()
+                self.run_model(m)
+        self.check()
 
 
 class TestCase1(TestBase):
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_elemetwise_x_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_elemetwise_x_op_ipu.py
index a9d6d2308326eaab8bc9fd15f3799c6f8cdd505d..24082fe49bae517f0870f8b330c0450e66317ce7 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_elemetwise_x_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_elemetwise_x_op_ipu.py
@@ -17,8 +17,7 @@ import unittest
 import numpy as np
 import paddle
 import paddle.static
-from paddle.fluid.tests.unittests.ipu.op_test_ipu import (ExecutionMode,
-                                                          IPUOpTest)
+from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
 
 
 @unittest.skipIf(not paddle.is_compiled_with_ipu(),
@@ -43,63 +42,24 @@ class TestMul(IPUOpTest):
         self.feed_shape = [x.shape for x in self.feed_fp32.values()]
         self.feed_list = list(self.feed_fp32.keys())
 
-    def _test_base(self, exec_mode):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype='float32')
-                y = paddle.static.data(
-                    name=self.feed_list[1],
-                    shape=self.feed_shape[1],
-                    dtype='float32')
-
-                out = self.op(x, y, **self.attrs)
-
-            fetch_list = [out.name]
-
-            if exec_mode == ExecutionMode.CPU_FP32:
-                place = paddle.CPUPlace()
-            else:
-                place = paddle.IPUPlace()
-
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                if exec_mode == ExecutionMode.IPU_POPART_FP16:
-                    ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            feed = self.feed_fp32
-            if exec_mode > ExecutionMode.IPU_FP32:
-                feed = self.feed_fp16
-
-            result = exe.run(program, feed=feed, fetch_list=fetch_list)
-            return result[0]
+    @IPUOpTest.static_graph
+    def build_model(self):
+        x = paddle.static.data(
+            name=self.feed_list[0], shape=self.feed_shape[0], dtype='float32')
+        y = paddle.static.data(
+            name=self.feed_list[1], shape=self.feed_shape[1], dtype='float32')
+        out = self.op(x, y, **self.attrs)
+        self.fetch_list = [out.name]
 
-    def run_test_base(self):
-        output_dict = {}
-        for mode in ExecutionMode:
-            if mode > ExecutionMode.IPU_FP32 and not self.fp16_enabled:
-                break
-            output_dict[mode] = self._test_base(mode).flatten()
+    def run_model(self, exec_mode):
+        self.run_op_test(exec_mode)
 
-        self.check(output_dict)
+    def run_test_base(self):
+        for m in IPUOpTest.ExecutionMode:
+            if not self.skip_mode(m):
+                self.build_model()
+                self.run_model(m)
+        self.check()
 
     def test_case0(self):
         data_x = np.random.uniform(size=(2, 3, 4, 5))
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_equal_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_equal_op_ipu.py
index 5b18c73851324fc66666a885a25797dd15731d76..56b9a73f08009bae6e691f8da548976b4ef4dd8a 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_equal_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_equal_op_ipu.py
@@ -17,7 +17,7 @@ import unittest
 import numpy as np
 import paddle
 import paddle.static
-from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest, ExecutionMode
+from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
 
 
 @unittest.skipIf(not paddle.is_compiled_with_ipu(),
@@ -30,10 +30,6 @@ class TestBase(IPUOpTest):
         self.set_feed_attr()
         self.set_op_attrs()
 
-    @property
-    def fp16_enabled(self):
-        return True
-
     def set_data_feed(self):
         x = np.ones([1, 10])
         y = np.zeros([1, 10])
@@ -53,63 +49,24 @@ class TestBase(IPUOpTest):
     def set_op_attrs(self):
         self.attrs = {}
 
-    def _test_base(self, exec_mode):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype='float32')
-                y = paddle.static.data(
-                    name=self.feed_list[1],
-                    shape=self.feed_shape[1],
-                    dtype='float32')
-
-                out = paddle.fluid.layers.equal(x, y, **self.attrs)
-
-                fetch_list = [out.name]
-
-            if exec_mode == ExecutionMode.CPU_FP32:
-                place = paddle.CPUPlace()
-            else:
-                place = paddle.IPUPlace()
-
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                if exec_mode == ExecutionMode.IPU_POPART_FP16:
-                    ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            feed = self.feed_fp32
-            if exec_mode > ExecutionMode.IPU_FP32:
-                feed = self.feed_fp16
-
-            result = exe.run(program, feed=feed, fetch_list=fetch_list)
-            return result[0]
+    @IPUOpTest.static_graph
+    def build_model(self):
+        x = paddle.static.data(
+            name=self.feed_list[0], shape=self.feed_shape[0], dtype='float32')
+        y = paddle.static.data(
+            name=self.feed_list[1], shape=self.feed_shape[1], dtype='float32')
+        out = paddle.fluid.layers.equal(x, y, **self.attrs)
+        self.fetch_list = [out.name]
 
-    def test(self):
-        output_dict = {}
-        for mode in ExecutionMode:
-            if mode > ExecutionMode.IPU_FP32 and not self.fp16_enabled:
-                break
-            output_dict[mode] = self._test_base(mode).flatten().astype(np.int32)
+    def run_model(self, exec_mode):
+        self.run_op_test(exec_mode)
 
-        self.check(output_dict)
+    def test(self):
+        for m in IPUOpTest.ExecutionMode:
+            if not self.skip_mode(m):
+                self.build_model()
+                self.run_model(m)
+        self.check()
 
 
 class TestCase1(TestBase):
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_expand_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_expand_op_ipu.py
index 966dfdef87b54cd1e37bd9405c6b354a6f264363..211aa4a61a5b8636b45c4c60556e08108c5ca367 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_expand_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_expand_op_ipu.py
@@ -17,7 +17,7 @@ import unittest
 import numpy as np
 import paddle
 import paddle.static
-from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest, ExecutionMode
+from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
 
 
 @unittest.skipIf(not paddle.is_compiled_with_ipu(),
@@ -30,10 +30,6 @@ class TestBase(IPUOpTest):
         self.set_feed_attr()
         self.set_op_attrs()
 
-    @property
-    def fp16_enabled(self):
-        return True
-
     def set_data_feed(self):
         data = np.random.uniform(size=[2, 3, 1])
         self.feed_fp32 = {'in_0': data.astype(np.float32)}
@@ -47,59 +43,22 @@ class TestBase(IPUOpTest):
     def set_op_attrs(self):
         self.attrs = {"expand_times": [1, 2, 2]}
 
-    def _test_base(self, exec_mode):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype="float32")
-
-                out = paddle.fluid.layers.expand(x, **self.attrs)
-
-                fetch_list = [out.name]
-
-            if exec_mode == ExecutionMode.CPU_FP32:
-                place = paddle.CPUPlace()
-            else:
-                place = paddle.IPUPlace()
-
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                if exec_mode == ExecutionMode.IPU_POPART_FP16:
-                    ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            feed = self.feed_fp32
-            if exec_mode > ExecutionMode.IPU_FP32:
-                feed = self.feed_fp16
-
-            result = exe.run(program, feed=feed, fetch_list=fetch_list)
-            return result[0]
+    @IPUOpTest.static_graph
+    def build_model(self):
+        x = paddle.static.data(
+            name=self.feed_list[0], shape=self.feed_shape[0], dtype="float32")
+        out = paddle.fluid.layers.expand(x, **self.attrs)
+        self.fetch_list = [out.name]
 
-    def test(self):
-        output_dict = {}
-        for mode in ExecutionMode:
-            if mode > ExecutionMode.IPU_FP32 and not self.fp16_enabled:
-                break
-            output_dict[mode] = self._test_base(mode).flatten()
+    def run_model(self, exec_mode):
+        self.run_op_test(exec_mode)
 
-        self.check(output_dict)
+    def test(self):
+        for m in IPUOpTest.ExecutionMode:
+            if not self.skip_mode(m):
+                self.build_model()
+                self.run_model(m)
+        self.check()
 
 
 class TestCase1(TestBase):
@@ -116,53 +75,15 @@ class TestCase1(TestBase):
     def set_op_attrs(self):
         self.attrs = {}
 
-    def _test_base(self, exec_mode):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype="float32")
-
-                expand_times = paddle.fluid.layers.fill_constant(
-                    shape=[len(self.feed_shape[0])], dtype="int32", value=2)
-                out = paddle.fluid.layers.expand(
-                    x, expand_times=expand_times, **self.attrs)
-
-                fetch_list = [out.name]
-
-            if exec_mode == ExecutionMode.CPU_FP32:
-                place = paddle.CPUPlace()
-            else:
-                place = paddle.IPUPlace()
-
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                if exec_mode == ExecutionMode.IPU_POPART_FP16:
-                    ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            feed = self.feed_fp32
-            if exec_mode > ExecutionMode.IPU_FP32:
-                feed = self.feed_fp16
-
-            result = exe.run(program, feed=feed, fetch_list=fetch_list)
-            return result[0]
+    @IPUOpTest.static_graph
+    def build_model(self):
+        x = paddle.static.data(
+            name=self.feed_list[0], shape=self.feed_shape[0], dtype="float32")
+        expand_times = paddle.fluid.layers.fill_constant(
+            shape=[len(self.feed_shape[0])], dtype="int32", value=2)
+        out = paddle.fluid.layers.expand(
+            x, expand_times=expand_times, **self.attrs)
+        self.fetch_list = [out.name]
 
 
 if __name__ == "__main__":
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_fill_any_like_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_fill_any_like_op_ipu.py
index 00b855a5a7a4297275171f288ddc68a61a561745..b3faabda3cdf2cd7fd37657869726ac1daff5fd3 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_fill_any_like_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_fill_any_like_op_ipu.py
@@ -17,7 +17,7 @@ import unittest
 import numpy as np
 import paddle
 import paddle.static
-from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest, ExecutionMode
+from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
 
 
 @unittest.skipIf(not paddle.is_compiled_with_ipu(),
@@ -30,10 +30,6 @@ class TestBase(IPUOpTest):
         self.set_feed_attr()
         self.set_op_attrs()
 
-    @property
-    def fp16_enabled(self):
-        return True
-
     def set_data_feed(self):
         data = np.random.uniform(size=[2, 3, 1])
         self.feed_fp32 = {'in_0': data.astype(np.float32)}
@@ -46,60 +42,23 @@ class TestBase(IPUOpTest):
     def set_op_attrs(self):
         self.attrs = {'fill_value': 0.3, 'dtype': 'float32'}
 
-    def _test_base(self, exec_mode):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype='float32')
-
-                x_fill = paddle.full_like(x, **self.attrs)
-                out = paddle.fluid.layers.elementwise_add(x_fill, x_fill)
-
-                fetch_list = [out.name]
-
-            if exec_mode == ExecutionMode.CPU_FP32:
-                place = paddle.CPUPlace()
-            else:
-                place = paddle.IPUPlace()
+    @IPUOpTest.static_graph
+    def build_model(self):
+        x = paddle.static.data(
+            name=self.feed_list[0], shape=self.feed_shape[0], dtype='float32')
+        x_fill = paddle.full_like(x, **self.attrs)
+        out = paddle.fluid.layers.elementwise_add(x_fill, x_fill)
+        self.fetch_list = [out.name]
 
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                if exec_mode == ExecutionMode.IPU_POPART_FP16:
-                    ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            feed = self.feed_fp32
-            if exec_mode > ExecutionMode.IPU_FP32:
-                feed = self.feed_fp16
-
-            result = exe.run(program, feed=feed, fetch_list=fetch_list)
-            return result[0]
+    def run_model(self, exec_mode):
+        self.run_op_test(exec_mode)
 
     def test(self):
-        output_dict = {}
-        for mode in ExecutionMode:
-            if mode > ExecutionMode.IPU_FP32 and not self.fp16_enabled:
-                break
-            output_dict[mode] = self._test_base(mode).flatten()
-
-        self.check(output_dict)
+        for m in IPUOpTest.ExecutionMode:
+            if not self.skip_mode(m):
+                self.build_model()
+                self.run_model(m)
+        self.check()
 
 
 class TestCase1(TestBase):
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_fill_constant_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_fill_constant_op_ipu.py
index 3a1c202bf1133aecbe1bf2954b3bf8d5916776ab..ce457b7abeb5ba92fb8623e9c47d3cb1cc3eedea 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_fill_constant_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_fill_constant_op_ipu.py
@@ -17,7 +17,7 @@ import unittest
 import numpy as np
 import paddle
 import paddle.static
-from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest, ExecutionMode
+from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
 
 
 @unittest.skipIf(not paddle.is_compiled_with_ipu(),
@@ -30,17 +30,14 @@ class TestBase(IPUOpTest):
         self.set_feed_attr()
         self.set_op_attrs()
 
-    @property
-    def fp16_enabled(self):
-        return True
-
     def set_data_feed(self):
-        self.feed = {}
+        self.feed_fp32 = {}
+        self.feed_fp16 = {}
 
     def set_feed_attr(self):
-        self.feed_shape = [x.shape for x in self.feed.values()]
-        self.feed_list = list(self.feed.keys())
-        self.feed_dtype = [x.dtype for x in self.feed.values()]
+        self.feed_shape = [x.shape for x in self.feed_fp32.values()]
+        self.feed_list = list(self.feed_fp32.keys())
+        self.feed_dtype = [x.dtype for x in self.feed_fp32.values()]
 
     def set_op_attrs(self):
         self.attrs = {
@@ -50,50 +47,21 @@ class TestBase(IPUOpTest):
             'value': 0.3,
         }
 
-    def _test_base(self, exec_mode):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.fluid.layers.fill_constant(**self.attrs)
-                out = paddle.fluid.layers.elementwise_add(x, x)
-                fetch_list = [out.name]
-
-            if exec_mode == ExecutionMode.CPU_FP32:
-                place = paddle.CPUPlace()
-            else:
-                place = paddle.IPUPlace()
+    @IPUOpTest.static_graph
+    def build_model(self):
+        x = paddle.fluid.layers.fill_constant(**self.attrs)
+        out = paddle.fluid.layers.elementwise_add(x, x)
+        self.fetch_list = [out.name]
 
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                if exec_mode == ExecutionMode.IPU_POPART_FP16:
-                    ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            result = exe.run(program, feed=self.feed, fetch_list=fetch_list)
-            return result[0]
+    def run_model(self, exec_mode):
+        self.run_op_test(exec_mode)
 
     def test(self):
-        output_dict = {}
-        for mode in ExecutionMode:
-            if mode > ExecutionMode.IPU_FP32 and not self.fp16_enabled:
-                break
-            output_dict[mode] = self._test_base(mode).flatten()
-
-        self.check(output_dict)
+        for m in IPUOpTest.ExecutionMode:
+            if not self.skip_mode(m):
+                self.build_model()
+                self.run_model(m)
+        self.check()
 
 
 class TestCase1(TestBase):
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_flatten_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_flatten_op_ipu.py
index 6f0cafc66805e75d239e149c2595197d004652c0..a8d530f6b77ad8fd1738d696823df8e542e3f73f 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_flatten_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_flatten_op_ipu.py
@@ -17,7 +17,7 @@ import unittest
 import numpy as np
 import paddle
 import paddle.static
-from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest, ExecutionMode
+from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
 
 
 @unittest.skipIf(not paddle.is_compiled_with_ipu(),
@@ -30,10 +30,6 @@ class TestBase(IPUOpTest):
         self.set_feed_attr()
         self.set_op_attrs()
 
-    @property
-    def fp16_enabled(self):
-        return True
-
     def set_data_feed(self):
         data = np.random.uniform(size=[2, 2, 4, 6])
         self.feed_fp32 = {"in_0": data.astype(np.float32)}
@@ -47,59 +43,22 @@ class TestBase(IPUOpTest):
         self.attrs = {}
         self.attrs['axis'] = 1
 
-    def _test_base(self, exec_mode):
-        scope = paddle.static.Scope()
-        main_prog = paddle.static.Program()
-        startup_prog = paddle.static.Program()
-        main_prog.random_seed = self.SEED
-        startup_prog.random_seed = self.SEED
-
-        with paddle.static.scope_guard(scope):
-            with paddle.static.program_guard(main_prog, startup_prog):
-                x = paddle.static.data(
-                    name=self.feed_list[0],
-                    shape=self.feed_shape[0],
-                    dtype='float32')
-
-                out = paddle.fluid.layers.flatten(x=x, **self.attrs)
-
-            fetch_list = [out.name]
-
-            if exec_mode == ExecutionMode.CPU_FP32:
-                place = paddle.CPUPlace()
-            else:
-                place = paddle.IPUPlace()
-
-            exe = paddle.static.Executor(place)
-            exe.run(startup_prog)
-
-            if exec_mode != ExecutionMode.CPU_FP32:
-                feed_list = self.feed_list
-                ipu_strategy = paddle.static.IpuStrategy()
-                ipu_strategy.set_graph_config(is_training=self.is_training)
-                if exec_mode == ExecutionMode.IPU_POPART_FP16:
-                    ipu_strategy.set_precision_config(enable_fp16=True)
-                program = paddle.static.IpuCompiledProgram(
-                    main_prog,
-                    ipu_strategy=ipu_strategy).compile(feed_list, fetch_list)
-            else:
-                program = main_prog
-
-            feed = self.feed_fp32
-            if exec_mode > ExecutionMode.IPU_FP32:
-                feed = self.feed_fp16
-
-            result = exe.run(program, feed=feed, fetch_list=fetch_list)
-            return result[0]
-
-    def test_base(self):
-        output_dict = {}
-        for mode in ExecutionMode:
-            if mode > ExecutionMode.IPU_FP32 and not self.fp16_enabled:
-                break
-            output_dict[mode] = self._test_base(mode)
-
-        self.check(output_dict, check_shape=True)
+    @IPUOpTest.static_graph
+    def build_model(self):
+        x = paddle.static.data(
+            name=self.feed_list[0], shape=self.feed_shape[0], dtype='float32')
+        out = paddle.fluid.layers.flatten(x=x, **self.attrs)
+        self.fetch_list = [out.name]
+
+    def run_model(self, exec_mode):
+        self.run_op_test(exec_mode)
+
+    def test(self):
+        for m in IPUOpTest.ExecutionMode:
+            if not self.skip_mode(m):
+                self.build_model()
+                self.run_model(m)
+        self.check()
 
 
 class TestCase1(TestBase):