fleet combine amp dgc recompute meta optimizer (#27643)

python/paddle/distributed/fleet/base/distributed_strategy.py

@@ -744,13 +744,13 @@ class DistributedStrategy(object):
             strategy.adaptive_localsgd = True # by default this is false
 
         """
-        return self.strategy.localsgd
+        return self.strategy.adaptive_localsgd
 
     @adaptive_localsgd.setter
     @is_strict_auto
     def adaptive_localsgd(self, flag):
         if isinstance(flag, bool):
-            self.strategy.localsgd = flag
+            self.strategy.adaptive_localsgd = flag
         else:
             print("WARNING: adaptive_localsgd should have value of bool type")
 

python/paddle/distributed/fleet/meta_optimizers/amp_optimizer.py

@@ -19,16 +19,14 @@ class AMPOptimizer(MetaOptimizerBase):
     def __init__(self, optimizer):
         super(AMPOptimizer, self).__init__(optimizer)
         self.inner_opt = optimizer
-        self.amp_opt = None
+        self.wrapped_opt = None
         # we do not allow meta optimizer to be inner optimizer currently
         self.meta_optimizers_white_list = [
             "LarsOptimizer",
             "LambOptimizer",
             "RecomputeOptimizer",
-            "LocalSGDOptimizer",
             "GradientMergeOptimizer",
             "GraphExecutionOptimizer",
-            "AdaptiveLocalSGDOptimizer",
         ]
         self.meta_optimizers_black_list = ["DGCOptimizer"]
 
@@ -37,6 +35,24 @@ class AMPOptimizer(MetaOptimizerBase):
         super(AMPOptimizer, self)._set_basic_info(
             loss, role_maker, user_defined_optimizer, user_defined_strategy)
 
+    def _init_wrapped_opt(self):
+        if self.wrapped_opt is not None:
+            return
+
+        config = self.user_defined_strategy.amp_configs
+
+        custom_white_list = set(config['custom_white_list'])
+        custom_black_list = set(config['custom_black_list'])
+        custom_black_varnames = set(config['custom_black_varnames'])
+        amp_lists = mixed_precision.AutoMixedPrecisionLists(
+            custom_white_list, custom_black_list, custom_black_varnames)
+
+        self.wrapped_opt = mixed_precision.decorate(
+            self.inner_opt, amp_lists, config['init_loss_scaling'],
+            config['incr_every_n_steps'], config['decr_every_n_nan_or_inf'],
+            config['incr_ratio'], config['decr_ratio'],
+            config['use_dynamic_loss_scaling'])
+
     def _can_apply(self):
         if not self.role_maker._is_collective:
             return False
@@ -60,26 +76,31 @@ class AMPOptimizer(MetaOptimizerBase):
             "use_dynamic_loss_scaling": True
         }
 
+    def backward(self,
+                 loss,
+                 startup_program=None,
+                 parameter_list=None,
+                 no_grad_set=None,
+                 callbacks=None):
+        # maybe inner_opt of other meta optimizer
+        self._init_wrapped_opt()
+        return self.wrapped_opt.backward(loss, startup_program, parameter_list,
+                                         no_grad_set, callbacks)
+
+    def apply_gradients(self, params_grads):
+        return self.wrapped_opt.apply_gradients(params_grads=params_grads)
+
+    def apply_optimize(self, loss, startup_program, params_grads):
+        return self.wrapped_opt.apply_optimize(
+            loss, startup_program=startup_program, params_grads=params_grads)
+
     def minimize_impl(self,
                       loss,
                       startup_program=None,
                       parameter_list=None,
                       no_grad_set=None):
-        if self.amp_opt is None:
-            config = self.user_defined_strategy.amp_configs
-            custom_white_list = set(config['custom_white_list'])
-            custom_black_list = set(config['custom_black_list'])
-            custom_black_varnames = set(config['custom_black_varnames'])
-            amp_lists = mixed_precision.AutoMixedPrecisionLists(
-                custom_white_list, custom_black_list, custom_black_varnames)
-
-            self.amp_opt = mixed_precision.decorate(
-                self.inner_opt, amp_lists, config['init_loss_scaling'],
-                config['incr_every_n_steps'], config['decr_every_n_nan_or_inf'],
-                config['incr_ratio'], config['decr_ratio'],
-                config['use_dynamic_loss_scaling'])
-
+        self._init_wrapped_opt()
         optimize_ops, params_grads = \
-            self.amp_opt.minimize(loss, startup_program,
+            self.wrapped_opt.minimize(loss, startup_program,
                                   parameter_list, no_grad_set)
         return optimize_ops, params_grads

python/paddle/distributed/fleet/meta_optimizers/dgc_optimizer.py

@@ -85,6 +85,13 @@ class DGCOptimizer(MetaOptimizerBase):
         return self.dgc_opt.backward(loss, startup_program, parameter_list,
                                      no_grad_set, callbacks)
 
+    def apply_gradients(self, params_grads):
+        return self.dgc_opt.apply_gradients(params_grads=params_grads)
+
+    def apply_optimize(self, loss, startup_program, params_grads):
+        return self.dgc_opt.apply_optimize(
+            loss, startup_program=startup_program, params_grads=params_grads)
+
     def minimize_impl(self,
                       loss,
                       startup_program=None,

python/paddle/distributed/fleet/meta_optimizers/lamb_optimizer.py

@@ -98,6 +98,10 @@ class LambOptimizer(MetaOptimizerBase):
     def apply_gradients(self, params_grads):
         return self.lamb_opt.apply_gradients(params_grads=params_grads)
 
+    def apply_optimize(self, loss, startup_program, params_grads):
+        return self.lamb_opt.apply_optimize(
+            loss, startup_program=startup_program, params_grads=params_grads)
+
     def minimize_impl(self,
                       loss,
                       startup_program=None,

python/paddle/distributed/fleet/meta_optimizers/lars_optimizer.py

@@ -85,6 +85,10 @@ class LarsOptimizer(MetaOptimizerBase):
     def apply_gradients(self, params_grads):
         return self.lars_opt.apply_gradients(params_grads=params_grads)
 
+    def apply_optimize(self, loss, startup_program, params_grads):
+        return self.lars_opt.apply_optimize(
+            loss, startup_program=startup_program, params_grads=params_grads)
+
     def minimize_impl(self,
                       loss,
                       startup_program=None,

python/paddle/distributed/fleet/meta_optimizers/localsgd_optimizer.py

@@ -24,7 +24,7 @@ class LocalSGDOptimizer(MetaOptimizerBase):
     def __init__(self, optimizer):
         super(LocalSGDOptimizer, self).__init__(optimizer)
         self.inner_opt = optimizer
-        self.meta_optimizers_white_list = []
+        self.meta_optimizers_white_list = ['AMPOptimizer']
         self.meta_optimizers_black_list = [
             "GraphExecutionOptimizer",
             "AdaptiveLocalSGDOptimizer",
@@ -195,7 +195,7 @@ class AdaptiveLocalSGDOptimizer(MetaOptimizerBase):
     def __init__(self, optimizer):
         super(AdaptiveLocalSGDOptimizer, self).__init__(optimizer)
         self.inner_opt = optimizer
-        self.meta_optimizers_white_list = []
+        self.meta_optimizers_white_list = ['AMPOptimizer']
         self.meta_optimizers_black_list = [
             "GraphExecutionOptimizer", "LocalSGDOptimizer"
         ]

python/paddle/distributed/fleet/meta_optimizers/recompute_optimizer.py

@@ -18,15 +18,14 @@ from .meta_optimizer_base import MetaOptimizerBase
 class RecomputeOptimizer(MetaOptimizerBase):
     def __init__(self, optimizer):
         super(RecomputeOptimizer, self).__init__(optimizer)
-        #self.inner_opt = RO(optimizer)
         self.inner_opt = optimizer
-        self.wrapped_opt = RO(optimizer)
+        self.wrapped_opt = None
         # we do not allow meta optimizer to be inner optimizer currently
         self.meta_optimizers_white_list = [
             "LarsOptimizer",
             "LambOptimizer",
-            "GradientMergeOptimizer",
             "GraphExecutionOptimizer",
+            "DGCOptimizer",
         ]
         self.meta_optimizers_black_list = []
 
@@ -34,8 +33,15 @@ class RecomputeOptimizer(MetaOptimizerBase):
                         user_defined_strategy):
         super(RecomputeOptimizer, self)._set_basic_info(
             loss, role_maker, user_defined_optimizer, user_defined_strategy)
-        self.wrapped_opt._set_checkpoints(
-            list(user_defined_strategy.recompute_configs["checkpoints"]))
+
+    def _init_wrapped_opt(self):
+        if self.wrapped_opt is not None:
+            return
+
+        configs = self.user_defined_strategy.recompute_configs
+
+        self.wrapped_opt = RO(self.inner_opt)
+        self.wrapped_opt._set_checkpoints(list(configs["checkpoints"]))
 
     def _can_apply(self):
         if not self.role_maker._is_collective:
@@ -62,14 +68,24 @@ class RecomputeOptimizer(MetaOptimizerBase):
                  parameter_list=None,
                  no_grad_set=None,
                  callbacks=None):
+        # maybe inner_opt of other meta optimizer
+        self._init_wrapped_opt()
         return self.wrapped_opt.backward(loss, startup_program, parameter_list,
                                          no_grad_set, callbacks)
 
+    def apply_gradients(self, params_grads):
+        return self.wrapped_opt.apply_gradients(params_grads=params_grads)
+
+    def apply_optimize(self, loss, startup_program, params_grads):
+        return self.wrapped_opt.apply_optimize(
+            loss, startup_program=startup_program, params_grads=params_grads)
+
     def minimize_impl(self,
                       loss,
                       startup_program=None,
                       parameter_list=None,
                       no_grad_set=None):
+        self._init_wrapped_opt()
         optimize_ops, params_grads = \
             self.wrapped_opt.minimize(loss, startup_program,
                                       parameter_list, no_grad_set)

python/paddle/fluid/contrib/mixed_precision/decorator.py

@@ -16,6 +16,7 @@ from ... import default_main_program
 from ... import default_startup_program
 from ... import layers
 from ... import unique_name
+from ... import program_guard
 from . import fp16_utils
 from .fp16_utils import rewrite_program
 from .fp16_utils import update_role_var_grad
@@ -58,21 +59,40 @@ class OptimizerWithMixedPrecision(object):
         self._optimizer = optimizer
         self._amp_lists = amp_lists
         self._param_grads = None
-        self._train_program = default_main_program()
-        self._startup_prog = default_startup_program()
+        self._train_program = None
+
         self._scaled_loss = None
-        self._loss_scaling = layers.create_global_var(
-            name=unique_name.generate("loss_scaling"),
-            shape=[1],
-            value=init_loss_scaling,
-            dtype='float32',
-            persistable=True)
+        self._loss_scaling = None
+        self._init_loss_scaling = init_loss_scaling
         self._use_dynamic_loss_scaling = use_dynamic_loss_scaling
         if self._use_dynamic_loss_scaling:
             self._incr_every_n_steps = incr_every_n_steps
             self._decr_every_n_nan_or_inf = decr_every_n_nan_or_inf
             self._incr_ratio = incr_ratio
             self._decr_ratio = decr_ratio
+            self._num_good_steps = None
+            self._num_bad_steps = None
+
+    def get_loss_scaling(self):
+        """Return the real-time loss scaling factor.
+        """
+        return self._loss_scaling
+
+    def get_scaled_loss(self):
+        """Return the scaled loss.
+        It's useful when you feed customed loss into executor.
+        """
+        return self._scaled_loss
+
+    def _init_amp_var(self):
+        self._loss_scaling = layers.create_global_var(
+            name=unique_name.generate("loss_scaling"),
+            shape=[1],
+            value=self._init_loss_scaling,
+            dtype='float32',
+            persistable=True)
+
+        if self._use_dynamic_loss_scaling:
             self._num_good_steps = layers.create_global_var(
                 name=unique_name.generate("num_good_steps"),
                 shape=[1],
@@ -86,28 +106,16 @@ class OptimizerWithMixedPrecision(object):
                 dtype='int32',
                 persistable=True)
 
-        # Ensure the data type of learning rate vars is float32 (same as the 
+        # Ensure the data type of learning rate vars is float32 (same as the
         # master parameter dtype)
-        if isinstance(optimizer._learning_rate, float):
-            optimizer._learning_rate_map[default_main_program()] = \
-                        layers.create_global_var(
-                        name=unique_name.generate("learning_rate"),
-                        shape=[1],
-                        value=float(optimizer._learning_rate),
-                        dtype='float32',
-                        persistable=True)
-
-    def get_loss_scaling(self):
-        """Return the real-time loss scaling factor.
-        """
-        return self._loss_scaling
-
-    def get_scaled_loss(self):
-        """Return the scaled loss.
-        It's useful when you feed customed loss into executor.
-        """
-
-        return self._scaled_loss
+        if isinstance(self._optimizer._learning_rate, float):
+            self._optimizer._learning_rate_map[default_main_program()] = \
+                    layers.create_global_var(
+                    name=unique_name.generate("learning_rate"),
+                    shape=[1],
+                    value=float(self._optimizer._learning_rate),
+                    dtype='float32',
+                    persistable=True)
 
     def backward(self,
                  loss,
@@ -131,16 +139,21 @@ class OptimizerWithMixedPrecision(object):
             A list of (param, grad), which is a tuple of a parameter and its 
             gradient respectively, and the scaled loss.
         """
-        rewrite_program(self._train_program, self._amp_lists)
-        self._scaled_loss = loss * self._loss_scaling
-        self._params_grads = self._optimizer.backward(
-            self._scaled_loss, startup_program, parameter_list, no_grad_set,
-            callbacks)
-        # Change the op_role_var attr for some ops, so that gradients
-        # transferred across GPUs can be FP16.
-        update_role_var_grad(self._train_program, self._params_grads)
-
-        return self._params_grads
+        train_program = loss.block.program
+        self._train_program = train_program
+
+        with program_guard(train_program, startup_program):
+            self._init_amp_var()
+
+            rewrite_program(train_program, self._amp_lists)
+            self._scaled_loss = loss * self._loss_scaling
+            params_grads = self._optimizer.backward(
+                self._scaled_loss, startup_program, parameter_list, no_grad_set,
+                callbacks)
+            # Change the op_role_var attr for some ops, so that gradients
+            # transferred across GPUs can be FP16.
+            update_role_var_grad(train_program, params_grads)
+        return params_grads
 
     def apply_gradients(self, params_grads):
         """
@@ -182,6 +195,12 @@ class OptimizerWithMixedPrecision(object):
 
         return optimize_ops
 
+    def apply_optimize(self, loss, startup_program, params_grads):
+        program = loss.block.program
+        with program_guard(program, startup_program):
+            optimize_ops = self.apply_gradients(params_grads)
+        return optimize_ops
+
     def minimize(self,
                  loss,
                  startup_program=None,
@@ -207,7 +226,8 @@ class OptimizerWithMixedPrecision(object):
             parameter_list=parameter_list,
             no_grad_set=no_grad_set)
 
-        optimize_ops = self.apply_gradients(scaled_params_grads)
+        optimize_ops = self.apply_optimize(loss, startup_program,
+                                           scaled_params_grads)
 
         return optimize_ops, scaled_params_grads
 

python/paddle/fluid/optimizer.py

@@ -731,9 +731,6 @@ class Optimizer(object):
                     outputs={"ParamOut": param_and_grad[0]})
         return new_param_grads, (table_param, table_grad), sgd_op
 
-    def _append_dgc_ops(self, param_and_grad):
-        pass
-
     def backward(self,
                  loss,
                  startup_program=None,
@@ -801,9 +798,6 @@ class Optimizer(object):
             with program_guard(program, startup_program):
                 params_grads = append_backward(loss, parameter_list,
                                                act_no_grad_set, callbacks)
-                # Note: since we can't use all_reduce_op now,
-                # dgc_op should be the last op of one grad.
-                self._append_dgc_ops(params_grads)
         return params_grads
 
     def apply_gradients(self, params_grads):
@@ -1569,6 +1563,11 @@ class DGCMomentumOptimizer(Optimizer):
 
     @imperative_base.no_grad
     def apply_gradients(self, params_grads):
+        # Note: since we can't use all_reduce_op now,
+        # dgc_op should be the last op of one grad.
+        # Maybe need a grad allreduce pass.
+        self._append_dgc_ops(params_grads)
+
         params_grads = sorted(params_grads, key=lambda x: x[0].name)
         params_grads, table_param_and_grad, table_optimize_op = \
             self._process_distribute_lookuptable(params_grads)
@@ -4784,10 +4783,6 @@ class RecomputeOptimizer(Optimizer):
 
             params_grads = append_backward(
                 loss, parameter_list, no_grad_set, checkpoints=checkpoint_vars)
-            # Note: since we can't use all_reduce_op now,
-            #  dgc_op should be the last op of one grad.
-            if hasattr(self._optimizer, "_append_dgc_ops"):
-                self._optimizer._append_dgc_ops(params_grads)
         return params_grads
 
     def apply_optimize(self, loss, startup_program, params_grads):

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

+# Copyright (c) 2020 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.
+
+import unittest
+import paddle
+from paddle import fluid
+import os
+import paddle.distributed.fleet as fleet
+import paddle.distributed.fleet.base.role_maker as role_maker
+
+
+class TestFleetMetaOptimizer(unittest.TestCase):
+    def setUp(self):
+        os.environ["PADDLE_TRAINER_ID"] = "1"
+        os.environ[
+            "PADDLE_TRAINER_ENDPOINTS"] = "127.0.0.1:36001,127.0.0.1:36002"
+
+    def net(self, main_prog, startup_prog):
+        with fluid.program_guard(main_prog, startup_prog):
+            with fluid.unique_name.guard():
+                role = role_maker.PaddleCloudRoleMaker(is_collective=True)
+                fleet.init(role)
+                input_x = paddle.fluid.layers.data(
+                    name="x", shape=[32], dtype='float32')
+                input_y = paddle.fluid.layers.data(
+                    name="y", shape=[1], dtype='int64')
+
+                fc_1 = paddle.fluid.layers.fc(input=input_x,
+                                              size=64,
+                                              act='tanh')
+                fc_2 = paddle.fluid.layers.fc(input=fc_1, size=256, act='tanh')
+                prediction = paddle.fluid.layers.fc(input=[fc_2],
+                                                    size=2,
+                                                    act='softmax')
+                cost = paddle.fluid.layers.cross_entropy(
+                    input=prediction, label=input_y)
+                avg_cost = paddle.fluid.layers.mean(x=cost)
+
+                strategy = paddle.distributed.fleet.DistributedStrategy()
+        return avg_cost, strategy
+
+    def optimizer(self,
+                  loss,
+                  strategy,
+                  train_prog,
+                  startup_prog,
+                  name='momentum'):
+        with fluid.program_guard(train_prog, startup_prog):
+            with fluid.unique_name.guard():
+                if name == 'momentum':
+                    optimizer = paddle.fluid.optimizer.Momentum(
+                        learning_rate=0.01, momentum=0.9)
+                elif name == 'adam':
+                    optimizer = paddle.fluid.optimizer.Adam(learning_rate=0.01)
+                optimizer = fleet.distributed_optimizer(
+                    optimizer, strategy=strategy)
+                optimizer.minimize(loss)
+
+    def set_strategy(self, strategy, name):
+        if name == 'amp':
+            strategy.amp = True
+            strategy.amp_configs = {
+                "init_loss_scaling": 32768,
+                "decr_every_n_nan_or_inf": 2,
+                "incr_every_n_steps": 1000,
+                "incr_ratio": 2.0,
+                "use_dynamic_loss_scaling": True,
+                "decr_ratio": 0.5,
+                "custom_white_list": ['softmax'],
+                "custom_black_list": ['tanh'],
+            }
+        elif name == 'dgc':
+            strategy.dgc = True
+            strategy.dgc_configs = {
+                "rampup_begin_step": 128,
+                "rampup_step": 100,
+                "sparsity": [0.996, 0.999]
+            }
+        elif name == 'recompute':
+            strategy.recompute = True
+            strategy.recompute_configs = {
+                "checkpoints": ["fc_0.tmp_2", "fc_1.tmp_2"]
+            }
+        elif name == 'lars':
+            strategy.lars = True
+            strategy.lars_configs = {
+                "lars_coeff": 0.001,
+                "lars_weight_decay": 0.0005,
+                "epsilon": 0,
+                "exclude_from_weight_decay": ["batch_norm", ".b"],
+            }
+        elif name == 'lamb':
+            strategy.lamb = True
+            strategy.lamb_configs = {
+                'lamb_weight_decay': 0.01,
+                'exclude_from_weight_decay': [],
+            }
+        elif name == 'localsgd':
+            strategy.localsgd = True
+            strategy.localsgd_configs = {
+                'k_steps': 1,
+                'begin_step': 1,
+            }
+        elif name == 'adaptive_localsgd':
+            strategy.adaptive_localsgd = True
+            strategy.adaptive_localsgd_configs = {
+                'init_k_steps': 1,
+                'begin_step': 1,
+            }
+        else:
+            raise NotImplementedError()

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

@@ -16,12 +16,14 @@ from __future__ import print_function
 
 import unittest
 
+import paddle
 import paddle.fluid.framework as framework
 import paddle.fluid.optimizer as optimizer
 import paddle.fluid.regularizer as regularizer
 import paddle.fluid.clip as clip
 import paddle.compat as cpt
 from paddle.fluid.backward import append_backward
+paddle.enable_static()
 
 
 class TestDGCMomentumOptimizer(unittest.TestCase):
@@ -86,13 +88,17 @@ class TestDGCMomentumOptimizer(unittest.TestCase):
         block.append_op(
             type="mean", inputs={"X": mul_out}, outputs={"Out": mean_out})
         # params_grads = append_backward(mean_out)
-        params_grads = dgc_momentum_optimizer.backward(mean_out)
+        params_grads = dgc_momentum_optimizer.backward(
+            mean_out, startup_program=init_program)
+
+        with framework.program_guard(program, init_program):
+            opts = dgc_momentum_optimizer.apply_gradients(params_grads)
+
         accumulator_count = 1 if name == "momentum" else 2
         self.assertEqual(len(params_grads), 1)
         self.assertEqual(
             len(dgc_momentum_optimizer.get_accumulators()), accumulator_count)
-        with framework.program_guard(program, init_program):
-            opts = dgc_momentum_optimizer.apply_gradients(params_grads)
+
         self.assertEqual(len(opts), 2)
         sgd_op = opts[-1]
         self.assertEqual([op.type for op in opts], ["scale", name])
@@ -108,8 +114,11 @@ class TestDGCMomentumOptimizer(unittest.TestCase):
         self.assertTrue(mul_x.name in velocity_acc)
 
         # Check init_program
+        # dgc not apply include: lr, dgc(count, nranks, begin step), (u,)
+        # dgc apply include: lr, dgc(count, nranks, begin_step), (u,v,k,encode,gather)
+        init_ops_count = 5 if name == "momentum" else 9
         init_ops = init_program.global_block().ops
-        self.assertEqual(len(init_ops), 1)
+        self.assertEqual(len(init_ops), init_ops_count)
         self.assertEqual(init_ops[0].type, "fill_constant")
         self.assertAlmostEqual(init_ops[0].attr('value'), learning_rate)
 

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

@@ -12,57 +12,97 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import paddle.distributed.fleet as fleet
-import paddle.distributed.fleet.base.role_maker as role_maker
 import unittest
 import paddle
+import paddle.fluid as fluid
+import paddle.distributed.fleet as fleet
+from paddle.distributed.fleet.meta_optimizers import AMPOptimizer
 import os
+from fleet_meta_optimizer_base import TestFleetMetaOptimizer
 
 paddle.enable_static()
 
 
-class TestFleetAMPOptimizer(unittest.TestCase):
-    def setUp(self):
-        os.environ["PADDLE_TRAINER_ID"] = "0"
-        os.environ["PADDLE_TRAINER_ENDPOINTS"] = "127.0.0.1:36001"
+class TestFleetAMPOptimizer(TestFleetMetaOptimizer):
+    def test_amp_optimizer_backward(self):
+        """ test amp optimizer backward """
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+
+        opt = fluid.optimizer.MomentumOptimizer(
+            learning_rate=0.001, momentum=0.9)
+        opt = AMPOptimizer(opt)
+        opt.user_defined_strategy = strategy
+        params_grads = opt.backward(avg_cost, startup_prog)
+
+        ops = [op.type for op in avg_cost.block.ops]
+        self.assertIn('cast', ops)
+        self.assertNotIn('check_finite_and_unscale', ops)
+
+    def test_amp_optimizer_backward_gradients(self):
+        """ test amp optimizer backward + gradients"""
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+
+        opt = fluid.optimizer.MomentumOptimizer(
+            learning_rate=0.001, momentum=0.9)
+        opt = AMPOptimizer(opt)
+        opt.user_defined_strategy = strategy
+        params_grads = opt.backward(avg_cost, startup_prog)
+        with fluid.program_guard(train_prog, startup_prog):
+            opt.apply_gradients(params_grads)
+
+        ops = [op.type for op in avg_cost.block.ops]
+        self.assertIn('cast', ops)
+        self.assertIn('check_finite_and_unscale', ops)
+
+    def test_amp_optimizer_backward_optimize(self):
+        """ test amp optimizer backward + optimizer """
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+
+        opt = fluid.optimizer.MomentumOptimizer(
+            learning_rate=0.001, momentum=0.9)
+        opt = AMPOptimizer(opt)
+        opt.user_defined_strategy = strategy
+        params_grads = opt.backward(avg_cost, startup_prog)
+        opt.apply_optimize(avg_cost, startup_prog, params_grads)
+
+        ops = [op.type for op in avg_cost.block.ops]
+        self.assertIn('cast', ops)
+        self.assertIn('check_finite_and_unscale', ops)
 
     def test_amp_optimizer(self):
-        role = role_maker.PaddleCloudRoleMaker(is_collective=True)
-        fleet.init(role)
-        input_x = paddle.fluid.layers.data(
-            name="x", shape=[32], dtype='float32')
-        input_y = paddle.fluid.layers.data(name="y", shape=[1], dtype='int64')
-
-        fc_1 = paddle.fluid.layers.fc(input=input_x, size=64, act='tanh')
-        fc_2 = paddle.fluid.layers.fc(input=fc_1, size=64, act='tanh')
-        prediction = paddle.fluid.layers.fc(input=[fc_2], size=2, act='softmax')
-        cost = paddle.fluid.layers.cross_entropy(
-            input=prediction, label=input_y)
-        avg_cost = paddle.fluid.layers.mean(x=cost)
-
-        strategy = paddle.distributed.fleet.DistributedStrategy()
-        strategy.amp = True
-        strategy.amp_configs = {
-            "init_loss_scaling": 32768,
-            "decr_every_n_nan_or_inf": 2,
-            "incr_every_n_steps": 1000,
-            "incr_ratio": 2.0,
-            "use_dynamic_loss_scaling": True,
-            "decr_ratio": 0.5,
-            "custom_white_list": ['softmax'],
-            "custom_black_list": ['tanh'],
-        }
-
-        optimizer = paddle.fluid.optimizer.SGD(learning_rate=0.01)
-        optimizer = fleet.distributed_optimizer(optimizer, strategy=strategy)
-        optimizer.minimize(avg_cost)
+        """ test amp """
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+        self.set_strategy(strategy, 'amp')
+        self.optimizer(avg_cost, strategy, train_prog, startup_prog)
+
+        ops = [op.type for op in avg_cost.block.ops]
+        self.assertIn('cast', ops)
+        self.assertIn('check_finite_and_unscale', ops)
+
+    def test_amp_recompute_optimizer(self):
+        """ test amp + recompute """
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+        self.set_strategy(strategy, 'amp')
+        self.set_strategy(strategy, 'recompute')
+        self.optimizer(avg_cost, strategy, train_prog, startup_prog)
 
         strategy = fleet._final_strategy()
 
         ops = [op.type for op in avg_cost.block.ops]
+        outs = [
+            op.output('Out')[0] for op in avg_cost.block.ops if op.type == 'mul'
+        ]
         self.assertIn('cast', ops)
         self.assertIn('check_finite_and_unscale', ops)
 
+        # recompute
+        self.assertIn('subprog', ''.join(outs))
+
 
 if __name__ == "__main__":
     unittest.main()

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

@@ -17,65 +17,82 @@ import paddle
 from paddle import fluid
 import os
 import paddle.distributed.fleet as fleet
+from fleet_meta_optimizer_base import TestFleetMetaOptimizer
+from paddle.distributed.fleet.meta_optimizers import DGCOptimizer
 import paddle.distributed.fleet.base.role_maker as role_maker
 
+paddle.enable_static()
 
-class TestFleetDGCOptimizer(unittest.TestCase):
-    def setUp(self):
-        os.environ["PADDLE_TRAINER_ID"] = "1"
-        os.environ[
-            "PADDLE_TRAINER_ENDPOINTS"] = "127.0.0.1:36001,127.0.0.1:36002"
-
-    def net(self, main_prog, startup_prog):
-        with fluid.program_guard(main_prog, startup_prog):
-            with fluid.unique_name.guard():
-                role = role_maker.PaddleCloudRoleMaker(is_collective=True)
-                fleet.init(role)
-                input_x = paddle.fluid.layers.data(
-                    name="x", shape=[32], dtype='float32')
-                input_y = paddle.fluid.layers.data(
-                    name="y", shape=[1], dtype='int64')
-
-                fc_1 = paddle.fluid.layers.fc(input=input_x,
-                                              size=64,
-                                              act='tanh')
-                fc_2 = paddle.fluid.layers.fc(input=fc_1, size=256, act='tanh')
-                prediction = paddle.fluid.layers.fc(input=[fc_2],
-                                                    size=2,
-                                                    act='softmax')
-                cost = paddle.fluid.layers.cross_entropy(
-                    input=prediction, label=input_y)
-                avg_cost = paddle.fluid.layers.mean(x=cost)
-
-                strategy = paddle.distributed.fleet.DistributedStrategy()
-                strategy.dgc = True
-                strategy.dgc_configs = {
-                    "rampup_begin_step": 128,
-                    "rampup_step": 100,
-                    "sparsity": [0.996, 0.999]
-                }
-        return avg_cost, strategy
+
+class TestFleetDGCOptimizer(TestFleetMetaOptimizer):
+    def test_dgc_optimizer_backward(self):
+        """ test dgc optimizer backward """
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+
+        self.set_strategy(strategy, 'dgc')
+        opt = fluid.optimizer.MomentumOptimizer(
+            learning_rate=0.001, momentum=0.9)
+        dgc_opt = DGCOptimizer(opt)
+        role = role_maker.PaddleCloudRoleMaker(is_collective=True)
+        dgc_opt._set_basic_info(avg_cost, role, opt, strategy)
+        params_grads = dgc_opt.backward(avg_cost, startup_prog)
+
+        ops = [op.type for op in avg_cost.block.ops]
+        self.assertNotIn('dgc', ops)
+
+    def test_dgc_optimizer_gradients(self):
+        """ test dgc optimizer backward + gradients """
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+
+        self.set_strategy(strategy, 'dgc')
+        opt = fluid.optimizer.MomentumOptimizer(
+            learning_rate=0.001, momentum=0.9)
+        dgc_opt = DGCOptimizer(opt)
+        role = role_maker.PaddleCloudRoleMaker(is_collective=True)
+        dgc_opt._set_basic_info(avg_cost, role, opt, strategy)
+        params_grads = dgc_opt.backward(avg_cost, startup_prog)
+        with fluid.program_guard(train_prog, startup_prog):
+            dgc_opt.apply_gradients(params_grads)
+
+        ops = [op.type for op in avg_cost.block.ops]
+        self.assertIn('dgc', ops)
+        self.assertIn('dgc_momentum', ops)
+
+    def test_dgc_optimizer_optimize(self):
+        """ test dgc optimizer backward + optimize """
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+
+        self.set_strategy(strategy, 'dgc')
+        opt = fluid.optimizer.MomentumOptimizer(
+            learning_rate=0.001, momentum=0.9)
+        dgc_opt = DGCOptimizer(opt)
+        role = role_maker.PaddleCloudRoleMaker(is_collective=True)
+        dgc_opt._set_basic_info(avg_cost, role, opt, strategy)
+        params_grads = dgc_opt.backward(avg_cost, startup_prog)
+        dgc_opt.apply_optimize(avg_cost, startup_prog, params_grads)
+
+        ops = [op.type for op in avg_cost.block.ops]
+        self.assertIn('dgc', ops)
+        self.assertIn('dgc_momentum', ops)
 
     def test_dgc_optimizer(self):
-        startup_prog = fluid.Program()
-        train_prog = fluid.Program()
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
         avg_cost, strategy = self.net(train_prog, startup_prog)
-        optimizer = paddle.fluid.optimizer.Momentum(
-            learning_rate=0.01, momentum=0.9)
-        optimizer = fleet.distributed_optimizer(optimizer, strategy=strategy)
-        optimizer.minimize(avg_cost)
+        self.set_strategy(strategy, 'dgc')
+        self.optimizer(avg_cost, strategy, train_prog, startup_prog)
 
         ops = [op.type for op in avg_cost.block.ops]
         self.assertIn('dgc', ops)
         self.assertIn('dgc_momentum', ops)
 
     def test_dgc_not_apply_with_adam(self):
-        startup_prog = fluid.Program()
-        train_prog = fluid.Program()
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
         avg_cost, strategy = self.net(train_prog, startup_prog)
-        optimizer = paddle.fluid.optimizer.Adam(learning_rate=0.01)
-        optimizer = fleet.distributed_optimizer(optimizer, strategy=strategy)
-        optimizer.minimize(avg_cost)
+        self.set_strategy(strategy, 'dgc')
+        self.optimizer(avg_cost, strategy, train_prog, startup_prog, 'adam')
 
         ops = [op.type for op in avg_cost.block.ops]
         self.assertNotIn('dgc', ops)
@@ -85,18 +102,32 @@ class TestFleetDGCOptimizer(unittest.TestCase):
         os.environ["PADDLE_TRAINER_ID"] = "0"
         os.environ["PADDLE_TRAINER_ENDPOINTS"] = "127.0.0.1:36001"
 
-        startup_prog = fluid.Program()
-        train_prog = fluid.Program()
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
         avg_cost, strategy = self.net(train_prog, startup_prog)
-        optimizer = paddle.fluid.optimizer.Momentum(
-            learning_rate=0.01, momentum=0.9)
-        optimizer = fleet.distributed_optimizer(optimizer, strategy=strategy)
-        optimizer.minimize(avg_cost)
+        self.set_strategy(strategy, 'dgc')
+        self.optimizer(avg_cost, strategy, train_prog, startup_prog)
 
         ops = [op.type for op in avg_cost.block.ops]
         self.assertNotIn('dgc', ops)
         self.assertNotIn('dgc_momentum', ops)
 
+    def test_dgc_recompute_optimizer(self):
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+        self.set_strategy(strategy, 'dgc')
+        self.set_strategy(strategy, 'recompute')
+        self.optimizer(avg_cost, strategy, train_prog, startup_prog)
+
+        ops = [op.type for op in avg_cost.block.ops]
+        outs = [
+            op.output('Out')[0] for op in avg_cost.block.ops if op.type == 'mul'
+        ]
+        self.assertIn('dgc', ops)
+        self.assertIn('dgc_momentum', ops)
+
+        # recompute
+        self.assertIn('subprog', ''.join(outs))
+
 
 if __name__ == "__main__":
     unittest.main()

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

@@ -16,71 +16,87 @@ import unittest
 import paddle
 import os
 
+import paddle
+import paddle.fluid as fluid
 import paddle.distributed.fleet as fleet
 import paddle.distributed.fleet.base.role_maker as role_maker
+from fleet_meta_optimizer_base import TestFleetMetaOptimizer
 
+paddle.enable_static()
 
-class TestFleetLocalSGDMetaOptimizer(unittest.TestCase):
-    def setUp(self):
-        os.environ["PADDLE_TRAINER_ID"] = "1"
-        os.environ[
-            "PADDLE_TRAINER_ENDPOINTS"] = "127.0.0.1:36001,127.0.0.1:36002"
 
+class TestFleetLocalSGDMetaOptimizer(TestFleetMetaOptimizer):
     def test_localsgd_optimizer(self):
-        role = role_maker.PaddleCloudRoleMaker(is_collective=True)
-        fleet.init(role)
-        input_x = paddle.fluid.layers.data(
-            name="x", shape=[32], dtype='float32')
-        input_y = paddle.fluid.layers.data(name="y", shape=[1], dtype='int64')
-
-        fc = paddle.fluid.layers.fc(input=input_x, size=64, act='tanh')
-        prediction = paddle.fluid.layers.fc(input=[fc], size=2, act='softmax')
-        cost = paddle.fluid.layers.cross_entropy(
-            input=prediction, label=input_y)
-        avg_cost = paddle.fluid.layers.mean(x=cost)
-
-        strategy = paddle.distributed.fleet.DistributedStrategy()
-        strategy.localsgd = True
-        strategy.auto = True
-        config = strategy.localsgd_configs
-        config['k_steps'] = 1
-        config['begin_step'] = 1
-        strategy.localsgd_configs = config
-
-        optimizer = paddle.fluid.optimizer.SGD(learning_rate=0.01)
-        optimizer = fleet.distributed_optimizer(optimizer, strategy=strategy)
-        optimizer.minimize(avg_cost)
-
-
-class TestFleetAdaptiveLocalSGDMetaOptimizer(unittest.TestCase):
-    def setUp(self):
-        os.environ["PADDLE_TRAINER_ID"] = "1"
-        os.environ[
-            "PADDLE_TRAINER_ENDPOINTS"] = "127.0.0.1:36001,127.0.0.1:36002"
-
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+        self.set_strategy(strategy, 'localsgd')
+        self.optimizer(avg_cost, strategy, train_prog, startup_prog)
+
+        ops = [op.type for op in avg_cost.block.ops]
+        outs = [
+            ''.join(op.output('Out')) for op in avg_cost.block.ops
+            if op.type == 'conditional_block'
+        ]
+
+        self.assertIn('conditional_block', ops)
+        self.assertIn('@SNAPSHOT', ''.join(outs))
+
+    def test_localsgd_amp_optimizer(self):
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+        self.set_strategy(strategy, 'localsgd')
+        self.set_strategy(strategy, 'amp')
+        self.optimizer(avg_cost, strategy, train_prog, startup_prog)
+
+        ops = [op.type for op in avg_cost.block.ops]
+        outs = [
+            ''.join(op.output('Out')) for op in avg_cost.block.ops
+            if op.type == 'conditional_block'
+        ]
+
+        self.assertIn('conditional_block', ops)
+        self.assertIn('@SNAPSHOT', ''.join(outs))
+
+        # amp
+        self.assertIn('cast', ops)
+        self.assertIn('check_finite_and_unscale', ops)
+
+
+class TestFleetAdaptiveLocalSGDMetaOptimizer(TestFleetMetaOptimizer):
     def test_adaptive_localsgd_optimizer(self):
-        role = role_maker.PaddleCloudRoleMaker(is_collective=True)
-        fleet.init(role)
-        input_x = paddle.fluid.layers.data(
-            name="x", shape=[32], dtype='float32')
-        input_y = paddle.fluid.layers.data(name="y", shape=[1], dtype='int64')
-
-        fc = paddle.fluid.layers.fc(input=input_x, size=64, act='tanh')
-        prediction = paddle.fluid.layers.fc(input=[fc], size=2, act='softmax')
-        cost = paddle.fluid.layers.cross_entropy(
-            input=prediction, label=input_y)
-        avg_cost = paddle.fluid.layers.mean(x=cost)
-
-        strategy = paddle.distributed.fleet.DistributedStrategy()
-        strategy.adaptive_localsgd = True
-        config = strategy.adaptive_localsgd_configs
-        config['init_k_steps'] = 1
-        config['begin_step'] = 1
-        strategy.adaptive_localsgd_configs = config
-
-        optimizer = paddle.fluid.optimizer.SGD(learning_rate=0.01)
-        optimizer = fleet.distributed_optimizer(optimizer, strategy=strategy)
-        optimizer.minimize(avg_cost)
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+        self.set_strategy(strategy, 'adaptive_localsgd')
+        self.optimizer(avg_cost, strategy, train_prog, startup_prog)
+
+        ops = [op.type for op in avg_cost.block.ops]
+        outs = [
+            ''.join(op.output('Out')) for op in avg_cost.block.ops
+            if op.type == 'conditional_block'
+        ]
+
+        self.assertIn('conditional_block', ops)
+        self.assertIn('@SNAPSHOT', ''.join(outs))
+
+    def test_localsgd_amp_optimizer(self):
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+        self.set_strategy(strategy, 'adaptive_localsgd')
+        self.set_strategy(strategy, 'amp')
+        self.optimizer(avg_cost, strategy, train_prog, startup_prog)
+
+        ops = [op.type for op in avg_cost.block.ops]
+        outs = [
+            ''.join(op.output('Out')) for op in avg_cost.block.ops
+            if op.type == 'conditional_block'
+        ]
+
+        self.assertIn('conditional_block', ops)
+        self.assertIn('@SNAPSHOT', ''.join(outs))
+
+        # amp
+        self.assertIn('cast', ops)
+        self.assertIn('check_finite_and_unscale', ops)
 
 
 if __name__ == "__main__":

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

@@ -14,40 +14,144 @@
 
 import unittest
 import paddle
+import paddle.fluid as fluid
 import os
+from fleet_meta_optimizer_base import TestFleetMetaOptimizer
+from paddle.distributed.fleet.meta_optimizers import RecomputeOptimizer
 
+paddle.enable_static()
 
-class TestFleetRecomputeMetaOptimizer(unittest.TestCase):
-    def setUp(self):
-        os.environ["POD_IP"] = "127.0.0.1"
-        os.environ["PADDLE_TRAINER_ENDPOINTS"] = "127.0.0.1:36001"
-        os.environ["PADDLE_TRAINERS_NUM"] = "2"
-        os.environ["PADDLE_PSERVERS_IP_PORT_LIST"] = \
-                       "127.0.0.1:36001,127.0.0.2:36001"
+
+class TestFleetRecomputeMetaOptimizer(TestFleetMetaOptimizer):
+    def test_recompute_optimizer_backward(self):
+        """ test recompute optimizer backward """
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+
+        self.set_strategy(strategy, 'recompute')
+        opt = fluid.optimizer.MomentumOptimizer(
+            learning_rate=0.001, momentum=0.9)
+        opt = RecomputeOptimizer(opt)
+        opt.user_defined_strategy = strategy
+        params_grads = opt.backward(avg_cost, startup_prog)
+
+        outs = [
+            op.output('Out')[0] for op in avg_cost.block.ops if op.type == 'mul'
+        ]
+        self.assertIn('subprog', ''.join(outs))
+
+    def test_recompute_optimizer_backward_gradients(self):
+        """ test recompute optimizer backward + gradients """
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+
+        self.set_strategy(strategy, 'recompute')
+        opt = fluid.optimizer.MomentumOptimizer(
+            learning_rate=0.001, momentum=0.9)
+        opt = RecomputeOptimizer(opt)
+        opt.user_defined_strategy = strategy
+        params_grads = opt.backward(avg_cost, startup_prog)
+        with fluid.program_guard(train_prog, startup_prog):
+            opt.apply_gradients(params_grads)
+
+        outs = [
+            op.output('Out')[0] for op in avg_cost.block.ops if op.type == 'mul'
+        ]
+        self.assertIn('subprog', ''.join(outs))
+
+    def test_recompute_optimizer_backward_optimize(self):
+        """ test recompute optimizer backward + optimize """
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+
+        self.set_strategy(strategy, 'recompute')
+        opt = fluid.optimizer.MomentumOptimizer(
+            learning_rate=0.001, momentum=0.9)
+        opt = RecomputeOptimizer(opt)
+        opt.user_defined_strategy = strategy
+        params_grads = opt.backward(avg_cost, startup_prog)
+        opt.apply_optimize(avg_cost, startup_prog, params_grads)
+
+        outs = [
+            op.output('Out')[0] for op in avg_cost.block.ops if op.type == 'mul'
+        ]
+        self.assertIn('subprog', ''.join(outs))
+
+    def test_recompute_optimizer_backward(self):
+        """ test recompute optimizer backward """
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+
+        self.set_strategy(strategy, 'recompute')
+        opt = fluid.optimizer.MomentumOptimizer(
+            learning_rate=0.001, momentum=0.9)
+        opt = RecomputeOptimizer(opt)
+        opt.user_defined_strategy = strategy
+        params_grads = opt.backward(avg_cost, startup_prog)
+
+        outs = [
+            op.output('Out')[0] for op in avg_cost.block.ops if op.type == 'mul'
+        ]
+        self.assertIn('subprog', ''.join(outs))
+
+    def test_recompute_optimizer_backward(self):
+        """ test recompute optimizer backward """
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+
+        self.set_strategy(strategy, 'recompute')
+        opt = fluid.optimizer.MomentumOptimizer(
+            learning_rate=0.001, momentum=0.9)
+        opt = RecomputeOptimizer(opt)
+        opt.user_defined_strategy = strategy
+        params_grads = opt.backward(avg_cost, startup_prog)
+
+        outs = [
+            op.output('Out')[0] for op in avg_cost.block.ops if op.type == 'mul'
+        ]
+        self.assertIn('subprog', ''.join(outs))
 
     def test_recompute_optimizer(self):
-        import paddle.distributed.fleet as fleet
-        import paddle.distributed.fleet.base.role_maker as role_maker
-        role = role_maker.PaddleCloudRoleMaker(is_collective=True)
-        fleet.init(role)
-        input_x = paddle.fluid.layers.data(
-            name="x", shape=[32], dtype='float32')
-        input_y = paddle.fluid.layers.data(name="y", shape=[1], dtype='int64')
-
-        fc_1 = paddle.fluid.layers.fc(input=input_x, size=64, act='tanh')
-        fc_2 = paddle.fluid.layers.fc(input=fc_1, size=64, act='tanh')
-        prediction = paddle.fluid.layers.fc(input=[fc_2], size=2, act='softmax')
-        cost = paddle.fluid.layers.cross_entropy(
-            input=prediction, label=input_y)
-        avg_cost = paddle.fluid.layers.mean(x=cost)
-
-        strategy = paddle.distributed.fleet.DistributedStrategy()
-        strategy.recompute = True
-        strategy.recompute_configs = {"checkpoints": ["fc_1.tmp_0"]}
-
-        optimizer = paddle.fluid.optimizer.SGD(learning_rate=0.01)
-        optimizer = fleet.distributed_optimizer(optimizer, strategy=strategy)
-        optimizer.minimize(avg_cost)
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+        self.set_strategy(strategy, 'recompute')
+        self.optimizer(avg_cost, strategy, train_prog, startup_prog)
+
+        outs = [
+            op.output('Out')[0] for op in avg_cost.block.ops if op.type == 'mul'
+        ]
+
+        self.assertIn('subprog', ''.join(outs))
+
+    def test_recompute_lars_optimizer(self):
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+        self.set_strategy(strategy, 'recompute')
+        self.set_strategy(strategy, 'lars')
+        self.optimizer(avg_cost, strategy, train_prog, startup_prog)
+
+        ops = [op.type for op in avg_cost.block.ops]
+        outs = [
+            op.output('Out')[0] for op in avg_cost.block.ops if op.type == 'mul'
+        ]
+
+        self.assertIn('subprog', ''.join(outs))
+        self.assertIn('lars_momentum', ops)
+
+    def test_recompute_lamb_optimizer(self):
+        train_prog, startup_prog = fluid.Program(), fluid.Program()
+        avg_cost, strategy = self.net(train_prog, startup_prog)
+        self.set_strategy(strategy, 'recompute')
+        self.set_strategy(strategy, 'lamb')
+        self.optimizer(avg_cost, strategy, train_prog, startup_prog, 'adam')
+
+        ops = [op.type for op in avg_cost.block.ops]
+        outs = [
+            op.output('Out')[0] for op in avg_cost.block.ops if op.type == 'mul'
+        ]
+
+        self.assertIn('subprog', ''.join(outs))
+        self.assertIn('lamb', ops)
 
 
 if __name__ == "__main__":