From 33ff833af25849eb6f5d31bdb2742ccdbe337e02 Mon Sep 17 00:00:00 2001 From: Chen Weihang Date: Fri, 11 Sep 2020 14:09:14 +0800 Subject: [PATCH] fix loaded no params layer run error (#27241) --- paddle/fluid/operators/run_program_op.cc | 10 +-- paddle/fluid/operators/run_program_op.h | 7 ++- python/paddle/fluid/dygraph/io.py | 14 +++-- .../tests/unittests/test_jit_save_load.py | 62 ++++++++++++++++++- 4 files changed, 78 insertions(+), 15 deletions(-) diff --git a/paddle/fluid/operators/run_program_op.cc b/paddle/fluid/operators/run_program_op.cc index 04559a93c86..2d599716443 100644 --- a/paddle/fluid/operators/run_program_op.cc +++ b/paddle/fluid/operators/run_program_op.cc @@ -27,9 +27,6 @@ class RunProgramOp : public framework::OperatorWithKernel { PADDLE_ENFORCE_EQ(ctx->HasInputs("X"), true, platform::errors::NotFound( "Input(X) of RunProgramOp should not be null.")); - PADDLE_ENFORCE_EQ(ctx->HasInputs("Params"), true, - platform::errors::NotFound( - "Input(Params) of RunProgramOp should not be null.")); PADDLE_ENFORCE_EQ(ctx->HasOutputs("Out"), true, platform::errors::NotFound( "Output(Out) of RunProgramOp should not be null.")); @@ -73,7 +70,8 @@ class RunProgramOpMaker : public framework::OpProtoAndCheckerMaker { "(vector)" "The input parameter of RunProgram operator, also the parameters " "of the loaded program.") - .AsDuplicable(); + .AsDuplicable() + .AsDispensable(); AddOutput("Out", "(vector)" "The output tensors of RunProgram operator, also the fetch " @@ -121,10 +119,6 @@ class RunProgramGradOp : public framework::OperatorWithKernel { PADDLE_ENFORCE_EQ(ctx->HasInputs("X"), true, platform::errors::NotFound( "Input(X) of RunProgramGradOp should not be null.")); - PADDLE_ENFORCE_EQ( - ctx->HasInputs("Params"), true, - platform::errors::NotFound( - "Input(Params) of RunProgramGradOp should not be null.")); PADDLE_ENFORCE_EQ( ctx->HasInputs(framework::GradVarName("Out")), true, platform::errors::NotFound( diff --git a/paddle/fluid/operators/run_program_op.h b/paddle/fluid/operators/run_program_op.h index 1c493fc6be0..5afe25cf687 100644 --- a/paddle/fluid/operators/run_program_op.h +++ b/paddle/fluid/operators/run_program_op.h @@ -209,9 +209,14 @@ class RunProgramOpKernel : public framework::OpKernel { auto output_vars = ctx.MultiOutputVar("Out"); auto input_var_names = ctx.InputNames("X"); - auto param_names = ctx.InputNames("Params"); auto output_var_names = ctx.OutputNames("Out"); + // current program may not hold parameters + std::vector param_names; + if (!param_vars.empty()) { + param_names = ctx.InputNames("Params"); + } + auto *block = ctx.Attr("global_block"); auto *program = block->Program(); auto start_op_index = ctx.Attr("start_op_index"); diff --git a/python/paddle/fluid/dygraph/io.py b/python/paddle/fluid/dygraph/io.py index 1d2ea142c7d..335ac500c89 100644 --- a/python/paddle/fluid/dygraph/io.py +++ b/python/paddle/fluid/dygraph/io.py @@ -479,11 +479,15 @@ def _load_persistable_vars(model_path, var_file_path = os.path.join(model_path, params_filename) else: var_file_path = os.path.join(model_path, VARIABLE_FILENAME) - framework._dygraph_tracer().trace_op( - type='load_combine', - inputs={}, - outputs={'Out': load_var_list}, - attrs={'file_path': var_file_path}) + if not os.path.exists(var_file_path): + if len(extra_var_info) != 0: + raise ValueError("The model to be loaded is incomplete.") + else: + framework._dygraph_tracer().trace_op( + type='load_combine', + inputs={}, + outputs={'Out': load_var_list}, + attrs={'file_path': var_file_path}) return load_var_dict diff --git a/python/paddle/fluid/tests/unittests/test_jit_save_load.py b/python/paddle/fluid/tests/unittests/test_jit_save_load.py index f0680206de2..7e6ca8076de 100644 --- a/python/paddle/fluid/tests/unittests/test_jit_save_load.py +++ b/python/paddle/fluid/tests/unittests/test_jit_save_load.py @@ -23,7 +23,7 @@ from paddle.static import InputSpec import paddle.fluid as fluid from paddle.fluid.dygraph import Linear from paddle.fluid.dygraph import declarative, ProgramTranslator -from paddle.fluid.dygraph.io import EXTRA_VAR_INFO_FILENAME +from paddle.fluid.dygraph.io import EXTRA_VAR_INFO_FILENAME, VARIABLE_FILENAME BATCH_SIZE = 32 BATCH_NUM = 10 @@ -153,6 +153,24 @@ class LinearNetReturnHidden(fluid.dygraph.Layer): return y, loss +class EmptyLayer(paddle.nn.Layer): + def __init__(self): + super(EmptyLayer, self).__init__() + + @paddle.jit.to_static + def forward(self, x): + return x + + +class NoParamLayer(paddle.nn.Layer): + def __init__(self): + super(NoParamLayer, self).__init__() + + @paddle.jit.to_static + def forward(self, x, y): + return x + y + + def train(layer, input_size=784, label_size=1): # create optimizer sgd = fluid.optimizer.SGDOptimizer( @@ -273,6 +291,15 @@ class TestJitSaveLoad(unittest.TestCase): with self.assertRaises(ValueError): model_dict, _ = fluid.dygraph.load_dygraph(model_path) + def test_jit_load_model_incomplete(self): + model_path = "model.test_jit_save_load.remove_variables" + self.train_and_save_model(model_path=model_path) + # remove `__variables__` + var_path = os.path.join(model_path, VARIABLE_FILENAME) + os.remove(var_path) + with self.assertRaises(ValueError): + paddle.jit.load(model_path) + class TestSaveLoadWithInputSpec(unittest.TestCase): def setUp(self): @@ -695,5 +722,38 @@ class TestJitSaveMultiCases(unittest.TestCase): configs=configs) +class TestJitSaveLoadEmptyLayer(unittest.TestCase): + def setUp(self): + self.model_path = "model.jit_save_load_empty_layer" + # enable dygraph mode + paddle.disable_static() + + def test_save_load_empty_layer(self): + layer = EmptyLayer() + x = paddle.to_variable(np.random.random((10)).astype('float32')) + out = layer(x) + paddle.jit.save(layer, self.model_path) + load_layer = paddle.jit.load(self.model_path) + load_out = load_layer(x) + self.assertTrue(np.array_equal(out, load_out)) + + +class TestJitSaveLoadNoParamLayer(unittest.TestCase): + def setUp(self): + self.model_path = "model.jit_save_load_no_param_layer" + # enable dygraph mode + paddle.disable_static() + + def test_save_load_no_param_layer(self): + layer = NoParamLayer() + x = paddle.to_variable(np.random.random((5)).astype('float32')) + y = paddle.to_variable(np.random.random((5)).astype('float32')) + out = layer(x, y) + paddle.jit.save(layer, self.model_path) + load_layer = paddle.jit.load(self.model_path) + load_out = load_layer(x, y) + self.assertTrue(np.array_equal(out, load_out)) + + if __name__ == '__main__': unittest.main() -- GitLab