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mindspore/tests/ut/python/nn/test_parameter.py

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# 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 parameter """
import numpy as np
import pytest
from mindspore import context, Tensor, Parameter, ParameterTuple, nn
from mindspore._checkparam import Validator
from mindspore.common import dtype as mstype
from mindspore.common.initializer import initializer
def test_parameter_init():
dat = np.array([[1, 2, 3], [2, 3, 4]])
tensor = Tensor(dat)
Parameter(tensor, name="testParameter", requires_grad=True, layerwise_parallel=False)
def test_parameter_tuple_illegal():
p1 = Parameter(initializer(0, [1], mstype.int32), name="global_step1")
p2 = Parameter(initializer(0, [1], mstype.int32), name="global_step2")
plist = [p1, p2]
plist2 = [p1, "str"]
ptuple = (p1, p2)
ptuple_str = ("2", "1")
pstr = "[2,3]"
pnum = 3
ParameterTuple(plist)
ParameterTuple(ptuple)
with pytest.raises(TypeError):
ParameterTuple(p1)
with pytest.raises(TypeError):
ParameterTuple(plist2)
with pytest.raises(TypeError):
ParameterTuple(ptuple_str)
with pytest.raises(TypeError):
ParameterTuple(pstr)
with pytest.raises(TypeError):
ParameterTuple(pnum)
def test_parameter_init_illegal():
dat = np.array([[1, 2, 3], [2, 3, 4]])
tensor = Tensor(dat)
data_none = None
data_bool = True
data_str = "nicai"
data_int = 3
data_list = [1, "2", True]
data_tuple = (1, 2, 3)
# test data
Parameter(tensor, name=data_str)
Parameter(data_int, name=data_str)
Parameter(dat, name=data_str)
with pytest.raises(ValueError):
Parameter(data_bool, name=data_str)
# test name
Parameter(tensor, name=data_none)
with pytest.raises(ValueError):
Parameter(tensor, name=dat)
with pytest.raises(ValueError):
Parameter(tensor, name=tensor)
with pytest.raises(ValueError):
Parameter(tensor, name=data_bool)
with pytest.raises(ValueError):
Parameter(tensor, name=data_int)
with pytest.raises(ValueError):
Parameter(tensor, name=data_list)
with pytest.raises(ValueError):
Parameter(tensor, name=data_tuple)
Parameter(tensor, name=data_str, requires_grad=data_bool)
with pytest.raises(TypeError):
Parameter(tensor, name=data_str, requires_grad=data_none)
with pytest.raises(TypeError):
Parameter(tensor, name=data_str, requires_grad=dat)
with pytest.raises(TypeError):
Parameter(tensor, name=data_str, requires_grad=tensor)
with pytest.raises(TypeError):
Parameter(tensor, name=data_str, requires_grad=data_str)
with pytest.raises(TypeError):
Parameter(tensor, name=data_str, requires_grad=data_int)
with pytest.raises(TypeError):
Parameter(tensor, name=data_str, requires_grad=data_list)
with pytest.raises(TypeError):
Parameter(tensor, name=data_str, requires_grad=data_tuple)
Parameter(tensor, name=data_str, requires_grad=data_bool, layerwise_parallel=data_bool)
with pytest.raises(TypeError):
Parameter(tensor, name=data_str, requires_grad=data_bool, layerwise_parallel=dat)
with pytest.raises(TypeError):
Parameter(tensor, name=data_str, requires_grad=data_bool, layerwise_parallel=tensor)
with pytest.raises(TypeError):
Parameter(tensor, name=data_str, requires_grad=data_bool, layerwise_parallel=data_none)
with pytest.raises(TypeError):
Parameter(tensor, name=data_str, requires_grad=data_bool, layerwise_parallel=data_str)
with pytest.raises(TypeError):
Parameter(tensor, name=data_str, requires_grad=data_bool, layerwise_parallel=data_int)
with pytest.raises(TypeError):
Parameter(tensor, name=data_str, requires_grad=data_bool, layerwise_parallel=data_list)
with pytest.raises(TypeError):
Parameter(tensor, name=data_str, requires_grad=data_bool, layerwise_parallel=data_tuple)
def test_check_str_by_regular():
str1 = "12_sf.asdf_"
str2 = "x12_sf.asdf."
str3 = "_x12_sf.asdf"
str4 = ".12_sf.asdf"
str5 = "12_sf.a$sdf."
str6 = "12+sf.asdf"
Validator.check_str_by_regular(str1)
Validator.check_str_by_regular(str2)
Validator.check_str_by_regular(str3)
with pytest.raises(ValueError):
Validator.check_str_by_regular(str4)
with pytest.raises(ValueError):
Validator.check_str_by_regular(str5)
with pytest.raises(ValueError):
Validator.check_str_by_regular(str6)
def test_parameter_compute():
para_1 = Parameter(initializer('ones', [1, 2, 3], mstype.int32), 'test1')
para_2 = Parameter(initializer('ones', [1, 2, 3], mstype.int32), 'test2')
t3 = Tensor(np.ones((1, 2, 3)))
out = para_1 + para_2
assert np.array_equal(out.asnumpy(), np.ones((1, 2, 3)) * 2)
out = para_1 * para_2
assert np.array_equal(out.asnumpy(), np.ones((1, 2, 3)))
out = para_1 + t3
assert np.array_equal(out.asnumpy(), np.ones((1, 2, 3)) * 2)
out = para_1 * t3
assert np.array_equal(out.asnumpy(), np.ones((1, 2, 3)))
assert isinstance(para_1, Tensor)
def test_scalar_parameter_update():
# float
fp = Parameter(0.5, 'fp')
fp.set_data(0.8)
assert np.array_equal(fp.data.asnumpy(), np.array(0.8, np.float32))
fp.set_data(1)
assert np.array_equal(fp.data.asnumpy(), np.array(1.0, np.float32))
int_ = Parameter(1, 'fp')
int_.set_data(2)
assert np.array_equal(int_.data.asnumpy(), np.array(2, np.int32))
with pytest.raises(TypeError):
int_.set_data(1.2)
# Tensor
fp32 = Tensor(0.5, mstype.float32)
int32 = Tensor(2, mstype.int32)
fp16 = Tensor(0.6, mstype.float16)
int16 = Tensor(3, mstype.int16)
bool_ = Tensor(np.array(True, dtype=np.bool_))
# updata_by_tensor
fp32_p = Parameter(fp32, 'fp32')
fp32_p.set_data(0.8)
fp32_p.set_data(1)
fp32_p.set_data(int32)
fp32_p.set_data(fp32)
fp32_p.set_data(int16)
fp32_p.set_data(fp16)
fp32_p.set_data(bool_)
# updata_by_tensor
fp16_p = Parameter(fp16, 'fp16')
with pytest.raises(TypeError):
fp16_p.set_data(fp32)
def test_parameter_lazy_init():
# support lazy init in SEMI_AUTO_PARALLEL mode
context.reset_auto_parallel_context()
context.set_auto_parallel_context(parallel_mode="semi_auto_parallel", device_num=8)
# Call init_data() without set set_data.
para = Parameter(initializer('ones', [1, 2, 3], mstype.float32), 'test1')
assert isinstance(para.data, Tensor)
para = para.init_data()
assert isinstance(para.data, Tensor)
assert np.array_equal(para.data.asnumpy(), np.ones((1, 2, 3)))
# Call init_data() after set_data is set.
para = Parameter(initializer('ones', [1, 2, 3], mstype.float32), 'test2')
assert isinstance(para.data, Tensor)
# expect type error when not init
with pytest.raises(TypeError):
para.set_data(Tensor(np.zeros((1, 2, 3))))
# init then assign
para = para.init_data()
# check the type
with pytest.raises(TypeError):
para.set_data(Tensor(np.zeros((1, 2, 3))))
# check the shape
with pytest.raises(ValueError):
para.set_data(Tensor(np.zeros((1, 2))))
# expect change ok
para.set_data(Tensor(np.zeros((1, 2, 3)).astype(np.float32)))
assert np.array_equal(para.data.asnumpy(), np.zeros((1, 2, 3)))
para.set_data(initializer('ones', [1, 2, 3], mstype.float32))
assert isinstance(para.data, Tensor)
# same object and has inited
assert np.array_equal(para.data.asnumpy(), np.ones((1, 2, 3)))
# expect no effect.
para.init_data()
assert np.array_equal(para.data.asnumpy(), np.ones((1, 2, 3)))
para.set_data(Tensor(np.zeros((1, 2)).astype(np.float32)), slice_shape=True)
assert np.array_equal(para.data.asnumpy(), np.zeros((1, 2)))
para.set_data(initializer('ones', [1, 2], mstype.float32), slice_shape=True)
assert np.array_equal(para.data.asnumpy(), np.ones((1, 2)))
context.reset_auto_parallel_context()
def test_parameter_as_output():
context.reset_auto_parallel_context()
context.set_auto_parallel_context(parallel_mode="semi_auto_parallel")
initial_input = initializer('One', shape=(2,), dtype=mstype.int32)
updated_input = Tensor([2, 2], mstype.int32)
class Net(nn.Cell):
def __init__(self, initial, updated):
super().__init__()
self.initial = initial
self.updated = updated
self.p = Parameter(self.initial, name="weight")
self.new_p = self.p.init_data()
self.new_p.set_data(self.updated)
def construct(self):
return self.new_p
net = Net(initial_input, updated_input)
output = net()
assert np.array_equal(output.asnumpy(), np.array([2, 2], np.int32))
context.reset_auto_parallel_context()