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support implicit type conversion for pynative mode

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pull/2906/head
buxue 5 years ago
parent 4bdd8e16a2
commit 4e832b2309
6 changed files with 269 additions and 31 deletions
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4
mindspore/ccsrc/operator/composite/do_signature.cc
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@ -31,12 +31,10 @@
namespace mindspore {
// namespace to support composite operators definition
namespace prim {
namespace {
using PatternListType = std::initializer_list<BaseRef>;
const std::map<TypeId, size_t> type_map = {{kNumberTypeBool, 1}, {kNumberTypeInt8, 2}, {kNumberTypeUInt8, 3},
{kNumberTypeInt16, 4}, {kNumberTypeInt32, 5}, {kNumberTypeInt64, 6},
{kNumberTypeFloat16, 7}, {kNumberTypeFloat32, 8}, {kNumberTypeFloat64, 9}};
namespace {
const std::vector<Signature> &GetSignature(const ValuePtr &function) {
static const auto empty = std::vector<Signature>();
if (function->isa<Primitive>() && function->cast<PrimitivePtr>()->has_signature()) {

2
mindspore/ccsrc/operator/composite/do_signature.h
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@ -56,6 +56,8 @@ class DoSignatureMetaFuncGraph : public MetaFuncGraph {
};
using RWSignaturePtr = std::shared_ptr<DoSignatureMetaFuncGraph>;
extern const std::map<TypeId, size_t> type_map;
AnfNodePtr GenerateCNode(const FuncGraphPtr &func_graph, const std::string &func_name, const ValuePtr &function,
const AbstractBasePtrList &args_spec_list, const AnfNodePtrList &old_node_inputs);
} // namespace prim

128
mindspore/ccsrc/pynative/pynative_execute.cc
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@ -160,36 +160,102 @@ std::map<SignatureEnumDType, std::vector<size_t>> GetTypeIndex(const std::vector
return type_indexes;
}
std::map<SignatureEnumDType, size_t> GetDstType(const py::tuple &py_args,
std::map<SignatureEnumDType, TypeId> GetDstType(const py::tuple &py_args,
const std::map<SignatureEnumDType, std::vector<size_t>> &type_indexes) {
std::map<SignatureEnumDType, size_t> dst_type;
std::map<SignatureEnumDType, TypeId> dst_type;
for (auto it = type_indexes.begin(); it != type_indexes.end(); (void)++it) {
auto type = it->first;
auto indexes = it->second;
if (indexes.size() < 2) {
if (type == SignatureEnumDType::kDTypeEmptyDefaultValue || indexes.size() < 2) {
continue;
}
size_t m_index = indexes[0];
for (size_t i = 1; i < indexes.size(); ++i) {
if (py::isinstance<tensor::Tensor>(py_args[indexes[i]])) {
m_index = indexes[i];
size_t priority = 0;
TypeId max_type = TypeId::kTypeUnknown;
bool has_float = false;
bool has_int = false;
for (size_t index : indexes) {
if (!has_float && py::isinstance<py::float_>(py_args[index])) {
has_float = true;
}
if (!has_int && !py::isinstance<py::bool_>(py_args[index]) && py::isinstance<py::int_>(py_args[index])) {
has_int = true;
}
if (py::isinstance<tensor::Tensor>(py_args[index])) {
auto arg = py::cast<tensor::TensorPtr>(py_args[index]);
TypeId arg_type_id = arg->data_type();
auto type_priority = prim::type_map.find(arg_type_id);
if (type_priority->second > priority) {
max_type = type_priority->first;
priority = type_priority->second;
}
}
}
if (max_type == TypeId::kNumberTypeBool) {
if (has_int) {
max_type = TypeId::kNumberTypeInt32;
}
if (has_float) {
max_type = TypeId::kNumberTypeFloat32;
}
}
(void)dst_type.insert(std::make_pair(type, m_index));
(void)dst_type.insert(std::make_pair(type, max_type));
}
return dst_type;
}
std::string TypeIdToMsTypeStr(const TypeId &type_id) {
switch (type_id) {
case kNumberTypeFloat16:
return "float16";
case kNumberTypeFloat32:
return "float32";
case kNumberTypeFloat64:
return "float64";
case kNumberTypeInt8:
return "int8";
case kNumberTypeInt16:
return "int16";
case kNumberTypeInt32:
return "int32";
case kNumberTypeInt64:
return "int64";
case kNumberTypeUInt8:
return "uint8";
case kNumberTypeUInt16:
return "uint16";
case kNumberTypeUInt32:
return "uint32";
case kNumberTypeUInt64:
return "uint64";
case kNumberTypeBool:
return "bool_";
default:
MS_LOG(EXCEPTION) << "For implicit type conversion, not support the type: " << TypeIdToType(type_id);
}
}
py::object DoAutoCast(const py::object arg, const TypeId &type_id) {
py::tuple args(3);
std::string module_name = "mindspore.ops.functional";
std::string op_name = "cast";
args[0] = parse::python_adapter::GetPyFn(module_name, op_name);
args[1] = "Cast";
std::string dst_type_str = TypeIdToMsTypeStr(type_id);
module_name = "mindspore.common.dtype";
py::object dst_type = parse::python_adapter::GetPyFn(module_name, dst_type_str);
py::tuple inputs(2);
inputs[0] = arg;
inputs[1] = dst_type;
args[2] = inputs;
return RunOp(args)[0];
}
py::tuple ConvertInputs(const PrimitivePyPtr &prim, const py::list &args, py::tuple *const out_args,
py::list *const out_args_list) {
auto &py_args = *out_args;
py::tuple input_mask(args.size());
for (size_t i = 0; i < args.size(); ++i) {
if (py::hasattr(args[i], "__parameter__")) {
input_mask[i] = true;
} else {
input_mask[i] = false;
}
input_mask[i] = py::hasattr(args[i], "__parameter__");
py_args[i] = GetTupleObj(args[i]);
}
auto signature = prim->signatures();
@ -197,26 +263,36 @@ py::tuple ConvertInputs(const PrimitivePyPtr &prim, const py::list &args, py::tu
(void)std::transform(signature.begin(), signature.end(), std::back_inserter(dtypes),
[](const Signature &sig) { return sig.dtype; });
int empty_dtype_count = std::count(dtypes.begin(), dtypes.end(), SignatureEnumDType::kDTypeEmptyDefaultValue);
if (dtypes.size() == 0 || static_cast<int>(dtypes.size()) == empty_dtype_count) {
if (dtypes.empty() || static_cast<int>(dtypes.size()) == empty_dtype_count) {
return input_mask;
}
auto type_indexes = GetTypeIndex(dtypes);
auto dst_type = GetDstType(py_args, type_indexes);
for (size_t i = 0; i < py_args.size(); ++i) {
for (size_t i = 0; i < dtypes.size(); ++i) {
if (dtypes[i] == SignatureEnumDType::kDTypeEmptyDefaultValue) {
continue;
}
auto it = dst_type.find(dtypes[i]);
if (it != dst_type.end() && it->second != i &&
(py::isinstance<py::int_>(py_args[i]) || py::isinstance<py::float_>(py_args[i]))) {
auto tensor_ptr = py::cast<tensor::TensorPtr>(py_args[it->second]);
if (py::isinstance<py::int_>(py_args[i])) {
py_args[i] = std::make_shared<tensor::Tensor>(py::cast<py::int_>(py_args[i]), tensor_ptr->Dtype());
(*out_args_list)[i] = py_args[i];
} else {
double arg_value = py::cast<py::float_>(py_args[i]);
py_args[i] = std::make_shared<tensor::Tensor>(arg_value, tensor_ptr->Dtype());
(*out_args_list)[i] = py_args[i];
}
if (it == dst_type.end() || it->second == kTypeUnknown) {
continue;
}
if (py::isinstance<tensor::Tensor>(py_args[i])) {
auto arg = py::cast<tensor::TensorPtr>(py_args[i]);
if (arg->data_type() == it->second) {
continue;
}
if (signature[i].rw == SignatureEnumRW::kRWWrite) {
MS_LOG(EXCEPTION) << "In op '" << prim->name() << "', \n"
<< "the type of writable argument is '" << TypeIdToMsTypeStr(arg->data_type()) << "', "
<< "but the largest type in the same SignatureEumDtype is '" << TypeIdToMsTypeStr(it->second)
<< "'. The writable arg type is not equal to the largest type, "
<< "so can not cast automatically.";
}
}
py::object cast_output = DoAutoCast(py_args[i], it->second);
(*out_args)[i] = cast_output;
(*out_args_list)[i] = cast_output;
}
return input_mask;
}

81
tests/st/pynative/test_implicit_conversion.py
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@ -0,0 +1,81 @@
# Copyright 2020 Huawei Technologies Co., Ltd
#
# 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.
# ============================================================================
""" test implicit conversion """
import numpy as np
from mindspore import Tensor
def test_float_tensor_and_int_add():
x = Tensor(np.array([[0.1, 0.2, 0.3], [0.4, 0.5, 0.6]], dtype=np.float32))
y = 2
ret_actual = x + y
ret_expect = Tensor(np.array([[2.1, 2.2, 2.3], [2.4, 2.5, 2.6]], dtype=np.float32))
assert (ret_actual.asnumpy() == ret_expect.asnumpy()).all()
def test_bool_tensor_and_float_add():
x = Tensor(np.array([[True, False], [False, True]], dtype=np.bool_))
y = 3.3
ret_actual = x + y
ret_expect = Tensor(np.array([[4.3, 3.3], [3.3, 4.3]], dtype=np.float32))
assert (ret_actual.asnumpy() == ret_expect.asnumpy()).all()
def test_bool_tensor_and_int_add():
x = Tensor(np.array([[True, False], [False, True]], dtype=np.bool_))
y = 3
ret_actual = x + y
ret_expect = Tensor(np.array([[4, 3], [3, 4]], dtype=np.int32))
assert (ret_actual.asnumpy() == ret_expect.asnumpy()).all()
def test_bool_and_int_tensor_add():
x = True
y = Tensor(np.array([[1, 2, 3], [4, 5, 6]], dtype=np.int32))
ret_actual = x + y
ret_expect = Tensor(np.array([[2, 3, 4], [5, 6, 7]], dtype=np.int32))
assert (ret_actual.asnumpy() == ret_expect.asnumpy()).all()
def test_float_tensor_and_int_tensor_add():
x = Tensor(np.array([[0.1, 0.2, 0.3], [0.4, 0.5, 0.6]], dtype=np.float32))
y = Tensor(np.array([[1, 2, 3], [4, 5, 6]], dtype=np.int32))
ret_actual = x + y
ret_expect = Tensor(np.array([[1.1, 2.2, 3.3], [4.4, 5.5, 6.6]], dtype=np.float32))
assert (ret_actual.asnumpy() == ret_expect.asnumpy()).all()
def test_float_tensor_and_float_tensor_add():
x = Tensor(np.array([[0.1, 0.2, 0.3], [0.4, 0.5, 0.6]], dtype=np.float64))
y = Tensor(np.array([[1.0, 2.0, 3.0], [4.0, 5.0, 6.0]], dtype=np.float32))
ret_actual = x + y
ret_expect = Tensor(np.array([[1.1, 2.2, 3.3], [4.4, 5.5, 6.6]], dtype=np.float64))
assert (ret_actual.asnumpy() == ret_expect.asnumpy()).all()
def test_int_tensor_and_int_tensor_add():
x = Tensor(np.array([[1, 2, 3], [4, 5, 6]], dtype=np.int16))
y = Tensor(np.array([[1, 2, 3], [4, 5, 6]], dtype=np.int32))
ret_actual = x + y
ret_expect = Tensor(np.array([[2, 4, 6], [8, 10, 12]], dtype=np.int32))
assert (ret_actual.asnumpy() == ret_expect.asnumpy()).all()
def test_float_tensor_and_bool_tensors_add():
x = Tensor(np.array([[0.1, 0.2, 0.3], [0.4, 0.5, 0.6]], dtype=np.float32))
y = Tensor(np.array([[True, True, True], [False, False, False]], dtype=np.bool_))
ret_actual = x + y
ret_expect = Tensor(np.array([[1.1, 1.2, 1.3], [0.4, 0.5, 0.6]], dtype=np.float32))
assert (ret_actual.asnumpy() == ret_expect.asnumpy()).all()

81
tests/ut/python/pynative_mode/test_implicit_conversion.py
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@ -0,0 +1,81 @@
# Copyright 2020 Huawei Technologies Co., Ltd
#
# 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.
# ============================================================================
""" test implicit conversion """
import numpy as np
from mindspore import Tensor
def test_float_tensor_and_int_add():
x = Tensor(np.array([[0.1, 0.2, 0.3], [0.4, 0.5, 0.6]], dtype=np.float32))
y = 2
ret_actual = x + y
ret_expect = Tensor(np.array([[2.1, 2.2, 2.3], [2.4, 2.5, 2.6]], dtype=np.float32))
assert (ret_actual.asnumpy() == ret_expect.asnumpy()).all()
def test_bool_tensor_and_float_add():
x = Tensor(np.array([[True, False], [False, True]], dtype=np.bool_))
y = 3.3
ret_actual = x + y
ret_expect = Tensor(np.array([[4.3, 3.3], [3.3, 4.3]], dtype=np.float32))
assert (ret_actual.asnumpy() == ret_expect.asnumpy()).all()
def test_bool_tensor_and_int_add():
x = Tensor(np.array([[True, False], [False, True]], dtype=np.bool_))
y = 3
ret_actual = x + y
ret_expect = Tensor(np.array([[4, 3], [3, 4]], dtype=np.int32))
assert (ret_actual.asnumpy() == ret_expect.asnumpy()).all()
def test_bool_and_int_tensor_add():
x = True
y = Tensor(np.array([[1, 2, 3], [4, 5, 6]], dtype=np.int32))
ret_actual = x + y
ret_expect = Tensor(np.array([[2, 3, 4], [5, 6, 7]], dtype=np.int32))
assert (ret_actual.asnumpy() == ret_expect.asnumpy()).all()
def test_float_tensor_and_int_tensor_add():
x = Tensor(np.array([[0.1, 0.2, 0.3], [0.4, 0.5, 0.6]], dtype=np.float32))
y = Tensor(np.array([[1, 2, 3], [4, 5, 6]], dtype=np.int32))
ret_actual = x + y
ret_expect = Tensor(np.array([[1.1, 2.2, 3.3], [4.4, 5.5, 6.6]], dtype=np.float32))
assert (ret_actual.asnumpy() == ret_expect.asnumpy()).all()
def test_float_tensor_and_float_tensor_add():
x = Tensor(np.array([[0.1, 0.2, 0.3], [0.4, 0.5, 0.6]], dtype=np.float32))
y = Tensor(np.array([[1.0, 2.0, 3.0], [4.0, 5.0, 6.0]], dtype=np.float16))
ret_actual = x + y
ret_expect = Tensor(np.array([[1.1, 2.2, 3.3], [4.4, 5.5, 6.6]], dtype=np.float32))
assert (ret_actual.asnumpy() == ret_expect.asnumpy()).all()
def test_int_tensor_and_int_tensor_add():
x = Tensor(np.array([[1, 2, 3], [4, 5, 6]], dtype=np.int8))
y = Tensor(np.array([[1, 2, 3], [4, 5, 6]], dtype=np.int32))
ret_actual = x + y
ret_expect = Tensor(np.array([[2, 4, 6], [8, 10, 12]], dtype=np.int32))
assert (ret_actual.asnumpy() == ret_expect.asnumpy()).all()
def test_float_tensor_and_bool_tensors_add():
x = Tensor(np.array([[0.1, 0.2, 0.3], [0.4, 0.5, 0.6]], dtype=np.float32))
y = Tensor(np.array([[True, True, True], [False, False, False]], dtype=np.bool_))
ret_actual = x + y
ret_expect = Tensor(np.array([[1.1, 1.2, 1.3], [0.4, 0.5, 0.6]], dtype=np.float32))
assert (ret_actual.asnumpy() == ret_expect.asnumpy()).all()

4
tests/vm_impl/vm_me.py
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@ -403,7 +403,7 @@ def max_pool_grad(x, dout, pool_h, pool_w, stride):
"""Grad of max pooling."""
dout = dout.transpose(0, 2, 3, 1)
pool_size = pool_h * pool_w
dmax = np.zeros((dout.size, pool_size))
dmax = np.zeros((dout.size, pool_size), dout.dtype)
col = im2col(x, pool_h, pool_w, stride)
col = col.reshape(-1, pool_h * pool_w)
arg_max = np.argmax(col, axis=1)
@ -418,7 +418,7 @@ def max_pool_grad_with_argmax(x, dout, arg_max, pool_h, pool_w, stride):
"""Grad of max pooling with argmax."""
dout = dout.transpose(0, 2, 3, 1)
pool_size = pool_h * pool_w
dmax = np.zeros((dout.size, pool_size))
dmax = np.zeros((dout.size, pool_size), dout.dtype)
dmax[np.arange(arg_max.size), arg_max.flatten()] = dout.flatten()
dmax = dmax.reshape(dout.shape + (pool_size,))
dcol = dmax.reshape(dmax.shape[0] * dmax.shape[1] * dmax.shape[2], -1)

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