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未验证 提交 a7563602 编写于 作者: G gfwm0502 提交者： GitHub
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OP/API (While/while_loop/DynamicRNN) : Error Message Enhancement (#23896) 

As the title
上级 b8866225
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Showing with 137 addition and 76 deletion
paddle/fluid/operators/controlflow/while_op.cc
浏览文件 @ a7563602
......@@ -49,10 +49,17 @@ class WhileOp : public framework::OperatorBase {
private:
void RunImpl(const framework::Scope &scope,
const platform::Place &dev_place) const override {
PADDLE_ENFORCE_NOT_NULL(scope.FindVar(Input(kCondition)));
PADDLE_ENFORCE_NOT_NULL(scope.FindVar(Input(kCondition)),
platform::errors::NotFound(
"Input(Condition) of WhileOp is not found."));
auto &cond = scope.FindVar(Input(kCondition))->Get<LoDTensor>();
PADDLE_ENFORCE_EQ(cond.dims(), paddle::framework::make_ddim({1}));
PADDLE_ENFORCE_EQ(
cond.dims(), paddle::framework::make_ddim({1}),
platform::errors::InvalidArgument(
"The shape of Input(Condition) of WhileOp must be 1. But now "
"the Condition's shape is ",
cond.dims().to_str(), ".\n"));
framework::Executor executor(dev_place);
auto *block = Attr<framework::BlockDesc *>(kStepBlock);
......@@ -72,7 +79,9 @@ class WhileOp : public framework::OperatorBase {
step_scopes->clear();
}
PADDLE_ENFORCE_EQ(step_scopes->size(), 0, "The StepScope should be empty.");
PADDLE_ENFORCE_EQ(step_scopes->size(), 0,
platform::errors::PreconditionNotMet(
"The Output(StepScope) of WhileOp should be empty."));
bool cond_data = GetCondData(cond);
bool is_test = Attr<bool>("is_test");
......@@ -160,8 +169,10 @@ class WhileGradOp : public framework::OperatorBase {
private:
void RunImpl(const framework::Scope &scope,
const platform::Place &dev_place) const override {
PADDLE_ENFORCE(!Attr<bool>("is_test"),
"GradOp is only callable when is_test is false");
PADDLE_ENFORCE_EQ(
Attr<bool>("is_test"), false,
platform::errors::InvalidArgument(
"WhileGradOp is only callable when is_test is false."));
// get device context from pool
platform::DeviceContextPool &pool = platform::DeviceContextPool::Instance();
auto &dev_ctx = *pool.Get(dev_place);
......@@ -180,7 +191,14 @@ class WhileGradOp : public framework::OperatorBase {
auto inside_og_names =
Attr<std::vector<std::string>>("original_output_grad");
PADDLE_ENFORCE_EQ(outside_og_names.size(), inside_og_names.size());
PADDLE_ENFORCE_EQ(outside_og_names.size(), inside_og_names.size(),
platform::errors::InvalidArgument(
"The number of original output gradient names "
"does not match the number of backward input "
"gradient names. The number of Backward input "
"names is %d and the numbers of original output "
"gradient names is %d.",
outside_og_names.size(), inside_og_names.size()));
for (auto cur_scope_iter = step_scopes->rbegin();
cur_scope_iter != step_scopes->rend(); ++cur_scope_iter) {
......@@ -222,11 +240,18 @@ class WhileGradOp : public framework::OperatorBase {
inside_array[j].set_lod(outside_array->at(j).lod());
inside_array[j].ShareDataWith(outside_array->at(j));
} else {
PADDLE_ENFORCE_EQ(inside_array[j].numel(), 0);
PADDLE_ENFORCE_EQ(
inside_array[j].numel(), 0,
platform::errors::InvalidArgument(
"The numel of %d-th element of var %s (LoDTensorArray) "
"in while block must be 0, but received its numel is %d.",
j, inside_og_name, inside_array[j].numel()));
}
}
} else {
PADDLE_THROW("Currently only support LoDTensor and LoDTensorArray.");
PADDLE_THROW(platform::errors::Unimplemented(
"Currently only support LoDTensor and LoDTensorArray in "
"WhileGradOp."));
}
}
executor.RunPreparedContext(ctx.get(), *cur_scope_iter, false, true,
......@@ -236,7 +261,13 @@ class WhileGradOp : public framework::OperatorBase {
// and inputs.
auto &pg_ig_names = Outputs(kXGRAD);
auto &p_names = Inputs(kX);
PADDLE_ENFORCE_EQ(pg_ig_names.size(), p_names.size());
PADDLE_ENFORCE_EQ(pg_ig_names.size(), p_names.size(),
platform::errors::PreconditionNotMet(
"The number of names in Outputs(X@GRAD) does not "
"match the number of names in Inputs(X). The "
"number of names in Outputs(X@GRAD) is %d and "
"the number of names in Inputs(X) is %d.",
pg_ig_names.size(), p_names.size()));
for (size_t param_id = 0; param_id < pg_ig_names.size(); ++param_id) {
if (pg_ig_names[param_id] == framework::kEmptyVarName) {
continue; // parameter doesn't have gradient
......@@ -247,7 +278,9 @@ class WhileGradOp : public framework::OperatorBase {
// for example lookup_table_grad_op, the input(Idx) doesn't have
// gradient.
auto pg_ig_var = cur_scope.FindVar(inside_grad_name);
PADDLE_ENFORCE(pg_ig_var != nullptr);
PADDLE_ENFORCE_NOT_NULL(
pg_ig_var, platform::errors::NotFound("Variable %s is not found.",
inside_grad_name));
if (pg_ig_var->IsType<framework::LoDTensorArray>()) {
auto pg_ig_lod_t_arr =
pg_ig_var->GetMutable<framework::LoDTensorArray>();
......@@ -277,13 +310,16 @@ class WhileGradOp : public framework::OperatorBase {
// zero gradient variable in step 0
if (cur_scope_iter == step_scopes->rbegin()) {
auto *var = (*cur_scope_iter)->FindVar(inside_grad_name);
PADDLE_ENFORCE_NOT_NULL(var, "Can not find var %s", inside_grad_name);
PADDLE_ENFORCE(
PADDLE_ENFORCE_NOT_NULL(
var, platform::errors::NotFound("Variable %s is not found.",
inside_grad_name));
PADDLE_ENFORCE_EQ(
var->IsType<framework::LoDTensorArray>() ||
var->IsType<LoDTensor>(),
true, platform::errors::InvalidArgument(
"Currently the type of var only can be LoDTensorArray, "
"or LoDTensor, but the received var[%s] is %s.",
inside_grad_name, framework::ToTypeName(var->Type()));
inside_grad_name, framework::ToTypeName(var->Type())));
if (var->IsType<LoDTensor>()) {
auto &inside_tensor = var->Get<framework::LoDTensor>();
......@@ -422,43 +458,26 @@ class WhileGradOpShapeInference : public framework::InferShapeBase {
ctx->HasOutputs(framework::GradVarName(kX));
ctx->HasInputs(kOutputs);
ctx->HasInputs(framework::GradVarName(kOutputs));
auto pg_ig_names = ctx->Outputs(kXGRAD);
std::vector<framework::InferShapeVarPtr> in_var_ptrs =
ctx->GetInputVarPtrs(kX);
std::vector<framework::InferShapeVarPtr> out_var_ptrs =
ctx->GetOutputVarPtrs(kXGRAD);
PADDLE_ENFORCE(in_var_ptrs.size() == out_var_ptrs.size());
PADDLE_ENFORCE_EQ(in_var_ptrs.size(), out_var_ptrs.size(),
platform::errors::InvalidArgument(
"The size of Inputs(X) must be the same as "
"the size of Outputs(X@GRAD)."));
for (size_t i = 0; i < in_var_ptrs.size(); ++i) {
if (pg_ig_names[i] == framework::kEmptyVarName) {
continue;
}
if (ctx->IsRuntime()) {
framework::Variable *in_var =
boost::get<framework::Variable *>(in_var_ptrs[i]);
framework::Variable *out_var =
boost::get<framework::Variable *>(out_var_ptrs[i]);
auto type = framework::ToVarType(in_var->Type());
if (type == framework::proto::VarType::LOD_TENSOR) {
out_var->GetMutable<LoDTensor>()->Resize(
in_var->Get<framework::LoDTensor>().dims());
} else if (type == framework::proto::VarType::SELECTED_ROWS) {
out_var->GetMutable<framework::SelectedRows>()->set_height(
in_var->Get<framework::SelectedRows>().GetCompleteDims()[0]);
} else if (type == framework::proto::VarType::LOD_TENSOR_ARRAY) {
PADDLE_THROW("WhileGradOp doesn't support type %d",
static_cast<int>(type));
}
} else {
framework::VarDesc *in_var =
boost::get<framework::VarDesc *>(in_var_ptrs[i]);
boost::get<framework::VarDesc *>(out_var_ptrs[i])
->SetShape(in_var->GetShape());
}
}
}
};
} // namespace operators
......
paddle/fluid/operators/controlflow/while_op_helper.cc
浏览文件 @ a7563602
......@@ -83,7 +83,11 @@ static void ModifyWhileOpAndWhileGradOpAttr(const OpVariant &fwd_op,
auto &in_grads = bwd_op.Outputs().at(framework::GradVarName(kX));
PADDLE_ENFORCE_EQ(
fwd_input.size(), in_grads.size(),
"Backward input gradient number does not match forward input number.");
platform::errors::PreconditionNotMet(
"Backward output gradient number does not match forward input number."
"The number of forward input number is %d and the number of backward "
"output geadient number is %d.",
fwd_input.size(), in_grads.size()));
std::unordered_set<std::string> backward_skip_vars;
for (size_t i = 0; i < in_grads.size(); ++i) {
......@@ -104,7 +108,13 @@ static void ModifyWhileOpAndWhileGradOpAttr(const OpVariant &fwd_op,
static void FindAllWhileAndWhileGradOp(const framework::ProgramDesc &program,
std::vector<OpVariant> *while_ops,
std::vector<OpVariant> *while_grad_ops) {
PADDLE_ENFORCE_GE(while_ops->size(), while_grad_ops->size());
PADDLE_ENFORCE_GE(
while_ops->size(), while_grad_ops->size(),
platform::errors::PreconditionNotMet(
"There are more while_grad_ops than forward while_ops in the graph "
"or program, the number of while_ops is %d and the number of "
"while_grad_ops is %d.",
while_ops->size(), while_grad_ops->size()));
for (size_t i = 1; i < program.Size(); ++i) {
auto &block = program.Block(i);
for (size_t j = 0; j < block.OpSize(); ++j) {
......@@ -117,8 +127,13 @@ static void FindAllWhileAndWhileGradOp(const framework::ProgramDesc &program,
}
}
PADDLE_ENFORCE_GE(while_ops->size(), while_grad_ops->size(),
"There are extra while_grad ops in the graph or program");
PADDLE_ENFORCE_GE(
while_ops->size(), while_grad_ops->size(),
platform::errors::InvalidArgument(
"There are more while_grad_ops than forward while_ops in the graph "
"or program, the number of while_ops is %d and the number of "
"while_grad_ops is %d.",
while_ops->size(), while_grad_ops->size()));
}
static void PrepareSafeEagerDeletionOnWhileOpAndWhileGradOpImpl(
......@@ -140,13 +155,16 @@ static void PrepareSafeEagerDeletionOnWhileOpAndWhileGradOpImpl(
const OpVariant *matched_fwd_op = nullptr;
for (auto &fwd_op : while_op_set) {
if (IsMatchedWhileOpAndWhileGradOp(fwd_op, bwd_op)) {
PADDLE_ENFORCE(matched_fwd_op == nullptr,
"Found multiple matched while ops");
PADDLE_ENFORCE_EQ(matched_fwd_op, nullptr,
platform::errors::PreconditionNotMet(
"Found multiple while forward ops match while "
"grad ops."));
matched_fwd_op = &fwd_op;
}
}
PADDLE_ENFORCE_NOT_NULL(matched_fwd_op,
"Cannot find matched forward while op.");
platform::errors::PreconditionNotMet(
"Cannot find matched forward while op."));
ModifyWhileOpAndWhileGradOpAttr(*matched_fwd_op, bwd_op);
while_op_set.erase(*matched_fwd_op);
}
......@@ -209,7 +227,7 @@ bool GetCondData(const framework::LoDTensor &cond) {
#else
PADDLE_THROW(platform::errors::PreconditionNotMet(
"This version of PaddlePaddle does NOT support GPU but got GPU tensor "
"Cond in WhileOp. Please compile WITH_GPU option"));
"Cond in WhileOp. Please compile WITH_GPU option."));
#endif
return cpu_cond->data<bool>()[0];
}
......
python/paddle/fluid/layers/control_flow.py
浏览文件 @ a7563602
......@@ -882,14 +882,10 @@ class While(object):
def __init__(self, cond, is_test=False, name=None):
self.helper = LayerHelper("while", name=name)
self.status = While.BEFORE_WHILE_BLOCK
if not isinstance(cond, Variable):
raise TypeError("condition should be a variable")
assert isinstance(cond, Variable)
if cond.dtype != core.VarDesc.VarType.BOOL:
raise TypeError("condition should be a boolean variable")
check_variable_and_dtype(cond, 'cond', ['bool'], 'fluid.layers.While')
if reduce(lambda a, b: a * b, cond.shape, 1) != 1:
raise TypeError(
"condition expected shape as [], but given shape as {0}.".
"condition expected shape as [1], but given shape as {0}.".
format(list(cond.shape)))
self.cond_var = cond
self.is_test = is_test
......@@ -999,19 +995,16 @@ def while_loop(cond, body, loop_vars, is_test=False, name=None):
raise TypeError("cond in while_loop should be callable")
if not callable(body):
raise TypeError("body in while_loop should be callable")
if not isinstance(loop_vars, (list, tuple)):
raise TypeError("loop_vars in while_loop should be a list or tuple")
check_type(loop_vars, 'loop_vars', (list, tuple), 'fluid.layers.while_loop')
if len(loop_vars) == 0:
raise ValueError("loop_vars in while_loop should not be empty")
pre_cond = cond(*loop_vars)
if not isinstance(pre_cond, Variable):
raise TypeError("cond in while_loop should return a variable")
if pre_cond.dtype != core.VarDesc.VarType.BOOL:
raise TypeError("cond in while_loop should return a boolean variable")
check_variable_and_dtype(pre_cond, 'var of cond returned', ['bool'],
'fluid.layers.while_loop')
if reduce(lambda a, b: a * b, pre_cond.shape, 1) != 1:
raise TypeError(
"the shape of the variable returned by cond should be [],"
"the shape of the variable returned by cond should be [1],"
"but given shape as {0}.".format(list(pre_cond.shape)))
if in_dygraph_mode():
......@@ -2906,9 +2899,7 @@ class DynamicRNN(object):
rnn_output = drnn()
"""
self._assert_in_rnn_block_("step_input")
if not isinstance(x, Variable):
raise TypeError(
"step_input() can only take a Variable as its input.")
check_type(x, 'x', Variable, 'fluid.layers.DynamicRNN.step_input()')
parent_block = self._parent_block_()
if self.lod_rank_table is None:
self.lod_rank_table = parent_block.create_var(
......@@ -3075,9 +3066,7 @@ class DynamicRNN(object):
rnn_output = drnn()
"""
self._assert_in_rnn_block_("static_input")
if not isinstance(x, Variable):
raise TypeError(
"static_input() can only take a Variable as its input")
check_type(x, 'x', Variable, 'fluid.layers.DynamicRNN.static_input()')
if self.lod_rank_table is None:
raise RuntimeError(
"static_input() must be called after step_input().")
......@@ -3242,10 +3231,12 @@ class DynamicRNN(object):
"""
self._assert_in_rnn_block_('memory')
self._init_zero_idx_()
if shape is not None:
check_type(shape, 'shape', (list, tuple),
'fluid.layers.DynamicRNN.memory()')
if init is not None:
if not isinstance(init, Variable):
raise TypeError(
"The input arg `init` of memory() must be a Variable")
check_type(init, 'init', Variable,
'fluid.layers.DynamicRNN.memory()')
parent_block = self._parent_block_()
init_tensor = init
if need_reorder == True:
......@@ -3326,12 +3317,10 @@ class DynamicRNN(object):
ValueError: When :code:`update_memory()` is called before :code:`step_input()` .
"""
self._assert_in_rnn_block_('update_memory')
if not isinstance(ex_mem, Variable):
raise TypeError("The input arg `ex_mem` of update_memory() must "
"be a Variable")
if not isinstance(new_mem, Variable):
raise TypeError("The input arg `new_mem` of update_memory() must "
"be a Variable")
check_type(ex_mem, 'ex_mem', Variable,
'fluid.layers.DynamicRNN.update_memory()')
check_type(new_mem, 'new_mem', Variable,
'fluid.layers.DynamicRNN.update_memory()')
mem_array = self.mem_dict.get(ex_mem.name, None)
if mem_array is None:
......@@ -3358,6 +3347,8 @@ class DynamicRNN(object):
self._assert_in_rnn_block_('output')
parent_block = self._parent_block_()
for each in outputs:
check_type(each, "outputs", Variable,
"fluid.layers.DynamicRNN.output")
outside_array = parent_block.create_var(
name=unique_name.generate_with_ignorable_key("_".join(
[self.helper.name, "output_array", each.name])),
......
python/paddle/fluid/tests/unittests/test_dyn_rnn.py
浏览文件 @ a7563602
......@@ -19,6 +19,7 @@ import paddle
import unittest
import numpy
from paddle.fluid.framework import Program, program_guard
from paddle.fluid.layers.control_flow import lod_rank_table
from paddle.fluid.layers.control_flow import max_sequence_len
from paddle.fluid.layers.control_flow import lod_tensor_to_array
......@@ -299,5 +300,37 @@ class TestDynamicRNN(unittest.TestCase):
self.train_data = train_data_orig
class TestDynamicRNNErrors(unittest.TestCase):
def test_errors(self):
with program_guard(Program(), Program()):
init = fluid.layers.zeros(shape=[1], dtype='float32')
shape = 'shape'
sentence = fluid.data(
name='sentence', shape=[None, 32], dtype='float32', lod_level=1)
# The type of Input(shape) in API(memory) must be list or tuple
def input_shape_type_of_memory():
drnn = fluid.layers.DynamicRNN()
with drnn.block():
res = drnn.memory(init, shape)
self.assertRaises(TypeError, input_shape_type_of_memory)
# The type of element of Input(*outputs) in API(output) must be Variable.
def outputs_type_of_output():
drnn = fluid.layers.DynamicRNN()
with drnn.block():
word = drnn.step_input(sentence)
memory = drnn.memory(shape=[10], dtype='float32', value=0)
hidden = fluid.layers.fc(input=[word, memory],
size=10,
act='tanh')
out = np.ones(1).astype('float32')
drnn.update_memory(ex_mem=memory, new_mem=hidden)
drnn.output(hidden, out)
self.assertRaises(TypeError, outputs_type_of_output)
if __name__ == '__main__':
unittest.main()
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