【paddle.fleet】Fleet run graph in Executor and add two more strategies (#25844)

* split meta optimizer files
* add graph execution in execution, update two properties in DistributedStrategy, unit tests for these features

paddle/fluid/framework/distributed_strategy.proto

@@ -92,6 +92,8 @@ message DistributedStrategy {
   optional int32 hierarchical_allreduce_inter_nranks = 16 [ default = 1 ];
   optional bool sync_batch_norm = 17 [ default = false ];
   optional bool fuse_all_reduce_ops = 18 [ default = true ];
+  optional int32 fuse_grad_size_in_MB = 19 [ default = 32 ];
+  optional float fuse_grad_size_in_TFLOPS = 20 [ default = 50 ];
   // optional bool enable_backward_optimizer_op_deps = 19 [ default = true ];
 
   optional RecomputeConfig recompute_configs = 101;

python/paddle/fleet/base/distributed_strategy.py

@@ -378,6 +378,30 @@ class DistributedStrategy(object):
         else:
             print("WARNING: fuse_all_reduce_ops should have value of bool type")
 
+    @property
+    def fuse_grad_size_in_MB(self):
+        return self.strategy.fuse_grad_size_in_MB
+
+    @fuse_grad_size_in_MB.setter
+    def fuse_grad_size_in_MB(self, value):
+        if isinstance(value, int):
+            self.strategy.fuse_grad_size_in_MB = value
+        else:
+            print("WARNING: fuse_grad_size_in_MB should have value of int type")
+
+    @property
+    def _fuse_grad_size_in_TFLOPS(self):
+        return self.strategy.fuse_grad_size_in_TFLOPS
+
+    @_fuse_grad_size_in_TFLOPS.setter
+    def _fuse_grad_size_in_TFLOPS(self, value):
+        if isinstance(value, float):
+            self.strategy.fuse_grad_size_in_TFLOPS = value
+        else:
+            print(
+                "WARNING: fuse_grad_size_in_TFLOPS should have value of float type"
+            )
+
     @property
     def nccl_comm_num(self):
         return self.strategy.nccl_comm_num

python/paddle/fleet/base/fleet_base.py

@@ -327,6 +327,12 @@ class Fleet(object):
                 startup_program=startup_program,
                 parameter_list=parameter_list,
                 no_grad_set=no_grad_set)
+        else:
+            optimize_ops, params_grads = self.user_defined_optimizer.minimize(
+                loss,
+                startup_program=startup_program,
+                parameter_list=parameter_list,
+                no_grad_set=no_grad_set)
 
         if graph_optimizer:
             optimizer_ops, params_grads = graph_optimizer.minimize(
@@ -338,7 +344,6 @@ class Fleet(object):
             # if a graph optimizer takes effect, mostly
             # optimizers_ops and params_grads are None
             # i.e. users can not modify current computation graph anymore
-
         if self._runtime_handle is None:
             self._runtime_handle = RuntimeFactory()._create_runtime(
                 valid_strategy, self._role_maker, optimize_ops, params_grads)

python/paddle/fleet/meta_optimizers/graph_execution_optimizer.py

@@ -55,10 +55,6 @@ class GraphExecutionOptimizer(MetaOptimizerBase):
         current_endpoint = self.role_maker.get_trainer_endpoints()[trainer_id]
         trainer_endpoints_env = ",".join(trainer_endpoints)
         trainers_num = self.role_maker.worker_num()
-        if trainer_id == 0:
-            other_trainer_endpoints = trainer_endpoints[:]
-            other_trainer_endpoints.remove(current_endpoint)
-            wait_server_ready(other_trainer_endpoints)
         nccl_id_var = startup_program.global_block().create_var(
             name="NCCLID", persistable=True, type=core.VarDesc.VarType.RAW)
         for i in range(1, build_strategy.nccl_comm_num):

python/paddle/fluid/executor.py

@@ -1154,6 +1154,23 @@ class Executor(object):
 
         # For backward compatibility, run directly.
         if not compiled:
+            # In distributed training, the compiled program is saved in Program._graph
+            has_compiled_graph = isinstance(program._graph,
+                                            compiler.CompiledProgram)
+            if has_compiled_graph:
+                program._graph._compile(scope, self.place)
+                # _graph in program does not support inference since the _graph is optimized
+                # through optimizer.minimize function and should not be used as inference graph
+                # assert not program._graph._is_inference
+                return self._run_parallel(
+                    program._graph,
+                    scope=scope,
+                    feed=feed,
+                    fetch_list=fetch_list,
+                    fetch_var_name=fetch_var_name,
+                    return_numpy=return_numpy,
+                    return_merged=return_merged)
+
             return self._run_program(
                 program,
                 feed=feed,

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

@@ -31,11 +31,13 @@ list(APPEND MIXED_DIST_TEST_OPS test_fleet_api_input)
 list(APPEND MIXED_DIST_TEST_OPS test_fleet_checkpoint)
 list(APPEND MIXED_DIST_TEST_OPS test_collective_optimizer)
 list(APPEND MIXED_DIST_TEST_OPS test_fleet_base)
-list(APPEND MIXED_DIST_TEST_OPS test_fleet_meta_optimizer)
+list(APPEND MIXED_DIST_TEST_OPS test_fleet_recompute_meta_optimizer)
+list(APPEND MIXED_DIST_TEST_OPS test_fleet_graph_execution_meta_optimizer)
 list(APPEND MIXED_DIST_TEST_OPS test_fleet_pipeline_meta_optimizer)
 list(APPEND MIXED_DIST_TEST_OPS test_fleet_gradient_merge_meta_optimizer)
 list(APPEND MIXED_DIST_TEST_OPS test_fleet_localsgd_meta_optimizer)
 list(APPEND MIXED_DIST_TEST_OPS test_fleet_private_function)
+list(APPEND MIXED_DIST_TEST_OPS test_fleet_graph_executor)
 foreach(TEST_OP ${MIXED_DIST_TEST_OPS})
   list(REMOVE_ITEM TEST_OPS ${TEST_OP})
 endforeach()
@@ -364,11 +366,13 @@ if(WITH_DISTRIBUTE)
     py_test_modules(test_communicator_sync MODULES test_communicator_sync ENVS ${dist_ENVS} FLAGS_communicator_send_queue_size=1 FLAGS_communicator_max_merge_var_num=1)
     py_test_modules(test_collective_optimizer MODULES test_collective_optimizer)
     if(NOT APPLE)
-        py_test_modules(test_fleet_base MODULES test_fleet_base ENVS ${dist_ENVS})
-        py_test_modules(test_fleet_meta_optimizer MODULES test_fleet_meta_optimizer ENVS ${dist_ENVS})
-    	  py_test_modules(test_fleet_pipeline_meta_optimizer MODULES test_fleet_pipeline_meta_optimizer ENVS ${dist_ENVS})
-        py_test_modules(test_fleet_gradient_merge_meta_optimizer MODULES test_fleet_gradient_merge_meta_optimizer ENVS ${dist_ENVS})
-        py_test_modules(test_fleet_private_function MODULES test_fleet_private_function ENVS ${dist_ENVS})
+    	   py_test_modules(test_fleet_base MODULES test_fleet_base ENVS ${dist_ENVS})
+    	   py_test_modules(test_fleet_recompute_meta_optimizer MODULES test_fleet_recompute_meta_optimizer ENVS ${dist_ENVS})
+	   py_test_modules(test_fleet_graph_execution_meta_optimizer MODULES test_fleet_graph_execution_meta_optimizer ENVS ${dist_ENVS})
+	   py_test_modules(test_fleet_graph_executor MODULES test_fleet_graph_executor ENVS ${dist_ENVS})
+           py_test_modules(test_fleet_gradient_merge_meta_optimizer MODULES test_fleet_gradient_merge_meta_optimizer ENVS ${dist_ENVS})
+    	   py_test_modules(test_fleet_pipeline_meta_optimizer MODULES test_fleet_pipeline_meta_optimizer ENVS ${dist_ENVS})
+    	   py_test_modules(test_fleet_private_function MODULES test_fleet_private_function ENVS ${dist_ENVS})
         if(NOT WIN32)
             py_test_modules(test_fleet_localsgd_meta_optimizer MODULES test_fleet_localsgd_meta_optimizer ENVS ${dist_ENVS})
         endif(NOT WIN32)

python/paddle/fluid/tests/unittests/launch_function_helper.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.
+from multiprocessing import Pool, Process
+import os
+
+
+def launch_func(func, env_dict):
+    for key in env_dict:
+        os.environ[key] = env_dict[key]
+    proc = Process(target=func)
+    return proc

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

@@ -54,7 +54,6 @@ class TestStrategyConfig(unittest.TestCase):
         configs = {"checkpoints": ["x", "y"]}
         strategy.recompute_configs = configs
         self.assertEqual(len(strategy.recompute_configs["checkpoints"]), 2)
-        print(strategy.recompute_configs)
 
     def test_pipeline(self):
         strategy = paddle.fleet.DistributedStrategy()
@@ -145,6 +144,20 @@ class TestStrategyConfig(unittest.TestCase):
         strategy.fuse_all_reduce_ops = "True"
         self.assertEqual(strategy.fuse_all_reduce_ops, False)
 
+    def test_fuse_grad_size_in_MB(self):
+        strategy = paddle.fleet.DistributedStrategy()
+        strategy.fuse_grad_size_in_MB = 50
+        self.assertEqual(strategy.fuse_grad_size_in_MB, 50)
+        strategy.fuse_grad_size_in_MB = "40"
+        self.assertEqual(strategy.fuse_grad_size_in_MB, 50)
+
+    def test_fuse_grad_size_in_TFLOPS(self):
+        strategy = paddle.fleet.DistributedStrategy()
+        strategy._fuse_grad_size_in_TFLOPS = 0.1
+        self.assertGreater(strategy._fuse_grad_size_in_TFLOPS, 0.09)
+        strategy._fuse_grad_size_in_TFLOPS = "0.3"
+        self.assertGreater(strategy._fuse_grad_size_in_TFLOPS, 0.09)
+
     def test_gradient_merge(self):
         strategy = paddle.fleet.DistributedStrategy()
         strategy.gradient_merge = True

python/paddle/fluid/tests/unittests/test_fleet_graph_execution_meta_optimizer.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
+import os
+from launch_function_helper import launch_func
+
+
+class TestFleetGraphExecutionMetaOptimizer(unittest.TestCase):
+    def test_graph_execution_optimizer_not_apply(self):
+        node_a = {
+            "PADDLE_TRAINER_ID": "0",
+            "PADDLE_CURRENT_ENDPOINT": "127.0.0.1:36003",
+            "PADDLE_TRAINERS_NUM": "2",
+            "PADDLE_TRAINER_ENDPOINTS": "127.0.0.1:36003,127.0.0.1:36004",
+            "http_proxy": "",
+            "https_proxy": ""
+        }
+
+        node_b = {
+            "PADDLE_TRAINER_ID": "1",
+            "PADDLE_CURRENT_ENDPOINT": "127.0.0.1:36004",
+            "PADDLE_TRAINERS_NUM": "2",
+            "PADDLE_TRAINER_ENDPOINTS": "127.0.0.1:36003,127.0.0.1:36004",
+            "http_proxy": "",
+            "https_proxy": ""
+        }
+
+        def node_func():
+            import paddle.fleet as fleet
+            import paddle.fluid.incubate.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.fleet.DistributedStrategy()
+            optimizer = paddle.optimizer.SGD(learning_rate=0.01)
+            optimizer = fleet.distributed_optimizer(
+                optimizer, strategy=strategy)
+            optimizer.minimize(avg_cost)
+
+        proc_a = launch_func(node_func, node_a)
+        proc_a.start()
+        proc_b = launch_func(node_func, node_b)
+        proc_b.start()
+        proc_a.join()
+        proc_b.join()
+
+    def test_graph_execution_optimizer(self):
+        node_a = {
+            "PADDLE_TRAINER_ID": "0",
+            "PADDLE_CURRENT_ENDPOINT": "127.0.0.1:36001",
+            "PADDLE_TRAINERS_NUM": "2",
+            "PADDLE_TRAINER_ENDPOINTS": "127.0.0.1:36001,127.0.0.1:36002",
+            "http_proxy": "",
+            "https_proxy": ""
+        }
+
+        node_b = {
+            "PADDLE_TRAINER_ID": "1",
+            "PADDLE_CURRENT_ENDPOINT": "127.0.0.1:36002",
+            "PADDLE_TRAINERS_NUM": "2",
+            "PADDLE_TRAINER_ENDPOINTS": "127.0.0.1:36001,127.0.0.1:36002",
+            "http_proxy": "",
+            "https_proxy": ""
+        }
+
+        def node_func():
+            import paddle.fleet as fleet
+            import paddle.fluid.incubate.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.fleet.DistributedStrategy()
+            strategy.nccl_comm_num = 2
+            strategy.sync_nccl_allreduce = True
+            optimizer = paddle.optimizer.SGD(learning_rate=0.01)
+            optimizer = fleet.distributed_optimizer(
+                optimizer, strategy=strategy)
+            optimizer.minimize(avg_cost)
+            exe = paddle.fluid.Executor(place=paddle.fluid.CPUPlace())
+            exe.run(paddle.fluid.default_startup_program())
+
+            import numpy as np
+
+            def gen_data():
+                return {
+                    "x": np.random.random(size=(128, 32)).astype('float32'),
+                    "y": np.random.randint(
+                        2, size=(128, 1)).astype('int64')
+                }
+
+            for i in range(10):
+                cost_val = exe.run(feed=gen_data(), fetch_list=[avg_cost.name])
+                print("cost of step[{}] = {}".format(i, cost_val))
+
+        proc_a = launch_func(node_func, node_a)
+        proc_a.start()
+        proc_b = launch_func(node_func, node_b)
+        proc_b.start()
+        proc_a.join()
+        proc_b.join()
+
+
+if __name__ == "__main__":
+    unittest.main()

python/paddle/fluid/tests/unittests/test_fleet_graph_executor.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
+import os
+from launch_function_helper import launch_func
+
+
+class TestFleetGraphExecutionMetaOptimizer(unittest.TestCase):
+    def test_graph_execution_optimizer(self):
+        node_a = {
+            "PADDLE_TRAINER_ID": "0",
+            "PADDLE_CURRENT_ENDPOINT": "127.0.0.1:36001",
+            "PADDLE_TRAINERS_NUM": "2",
+            "PADDLE_TRAINER_ENDPOINTS": "127.0.0.1:36001,127.0.0.1:36002",
+            "http_proxy": "",
+            "https_proxy": ""
+        }
+
+        node_b = {
+            "PADDLE_TRAINER_ID": "1",
+            "PADDLE_CURRENT_ENDPOINT": "127.0.0.1:36002",
+            "PADDLE_TRAINERS_NUM": "2",
+            "PADDLE_TRAINER_ENDPOINTS": "127.0.0.1:36001,127.0.0.1:36002",
+            "http_proxy": "",
+            "https_proxy": ""
+        }
+
+        def node_func():
+            import paddle.fleet as fleet
+            import paddle.fluid.incubate.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.fleet.DistributedStrategy()
+            strategy.nccl_comm_num = 2
+            strategy.sync_nccl_allreduce = True
+            optimizer = paddle.optimizer.SGD(learning_rate=0.01)
+            optimizer = fleet.distributed_optimizer(
+                optimizer, strategy=strategy)
+            optimizer.minimize(avg_cost)
+            exe = paddle.fluid.Executor(place=paddle.fluid.CPUPlace())
+            exe.run(paddle.fluid.default_startup_program())
+
+            import numpy as np
+
+            def gen_data():
+                return {
+                    "x": np.random.random(size=(128, 32)).astype('float32'),
+                    "y": np.random.randint(
+                        2, size=(128, 1)).astype('int64')
+                }
+
+            for i in range(10):
+                cost_val = exe.run(feed=gen_data(), fetch_list=[avg_cost.name])
+                print("cost of step[{}] = {}".format(i, cost_val))
+
+        proc_a = launch_func(node_func, node_a)
+        proc_a.start()
+
+        # just for coverage
+        for key in node_b:
+            os.environ[key] = node_b[key]
+        node_func()
+
+        proc_a.join()
+
+
+if __name__ == "__main__":
+    unittest.main()

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

@@ -17,7 +17,7 @@ import paddle
 import os
 
 
-class TestFleetMetaOptimizer(unittest.TestCase):
+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"
@@ -25,49 +25,6 @@ class TestFleetMetaOptimizer(unittest.TestCase):
         os.environ["PADDLE_PSERVERS_IP_PORT_LIST"] = \
                        "127.0.0.1:36001,127.0.0.2:36001"
 
-    def test_graph_execution_optimizer_not_apply(self):
-        import paddle.fleet as fleet
-        import paddle.fluid.incubate.fleet.base.role_maker as role_maker
-        role = role_maker.PaddleCloudRoleMaker()
-        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.fleet.DistributedStrategy()
-        optimizer = paddle.optimizer.SGD(learning_rate=0.01)
-        optimizer = fleet.distributed_optimizer(optimizer, strategy=strategy)
-        optimizer.minimize(avg_cost)
-
-    def test_graph_execution_optimizer(self):
-        import paddle.fleet as fleet
-        import paddle.fluid.incubate.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.fleet.DistributedStrategy()
-        strategy.nccl_comm_num = 2
-        optimizer = paddle.optimizer.SGD(learning_rate=0.01)
-        optimizer = fleet.distributed_optimizer(optimizer, strategy=strategy)
-        optimizer.minimize(avg_cost)
-
     def test_recompute_optimizer(self):
         import paddle.fleet as fleet
         import paddle.fluid.incubate.fleet.base.role_maker as role_maker