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paddlepaddle--paddle/test/legacy_test/test_rnn_op.py
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2026-07-13 12:40:42 +08:00

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Python

# Copyright (c) 2018 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 random
import sys
import unittest
from pathlib import Path
import numpy as np
from op_test import OpTest, get_device_place
import paddle
from paddle.base import core
# Add test/rnn to sys.path
legacy_test_dir = Path(__file__).resolve().parents[1]
sys.path.append(str(legacy_test_dir / "rnn"))
sys.path.append("../../rnn")
from convert import get_params_for_net
from rnn_numpy import LSTM
random.seed(2)
np.set_printoptions(threshold=np.inf)
paddle.enable_static()
def rnn_wrapper(
Input,
PreState,
WeightList=None,
SequenceLength=None,
dropout_prob=0.0,
is_bidirec=False,
input_size=10,
hidden_size=100,
num_layers=1,
mode="LSTM",
seed=0,
is_test=False,
):
dropout_state_in = paddle.tensor.fill_constant([], "float32", 0.0)
return paddle._C_ops.rnn(
Input,
PreState,
WeightList,
SequenceLength,
dropout_state_in,
dropout_prob,
is_bidirec,
input_size,
hidden_size,
num_layers,
mode,
seed,
is_test,
)
class TestRNNOp(OpTest):
def get_weight_names(self):
weight_names = []
for i in range(self.num_layers):
for j in range(0, 2 * self.direction_num):
weight_names.append(f"{i}.weight_{j}")
for i in range(self.num_layers):
for j in range(0, 2 * self.direction_num):
weight_names.append(f"{i}.bias_{j}")
return weight_names
def setUp(self):
self.op_type = "rnn"
self.python_api = rnn_wrapper
self.python_out_sig = ["Out", "DropoutState", "State"]
self.python_out_sig_sub_name = {"State": ["last_hidden", "last_cell"]}
self.dtype = np.float32 if core.is_compiled_with_rocm() else np.float64
self.sequence_length = (
None
if core.is_compiled_with_rocm()
else np.array([12, 11, 10, 9, 8], dtype=np.int32)
)
self.num_layers = 1
self.is_bidirec = False
self.mode = "LSTM"
self.is_test = False
self.dropout = 0.0
self.set_attrs()
self.direction_num = 2 if self.is_bidirec else 1
direction = "bidirectional" if self.is_bidirec else "forward"
seq_length = 12
batch_size = 5
input_size = 3
hidden_size = 2
input = np.random.uniform(
low=-0.1, high=0.1, size=(seq_length, batch_size, input_size)
).astype(self.dtype)
if self.sequence_length is not None:
input[11][1:][:] = 0
input[10][2:][:] = 0
input[9][3:][:] = 0
input[8][4:][:] = 0
rnn1 = LSTM(
input_size,
hidden_size,
num_layers=self.num_layers,
time_major=True,
direction=direction,
dropout=self.dropout,
dtype=self.dtype,
)
flat_w = get_params_for_net(rnn1)
output, (last_hidden, last_cell) = rnn1(
input, sequence_length=self.sequence_length
)
if core.is_compiled_with_rocm():
def rocm_rnn_get_place():
places = [get_device_place()]
return places
self._get_places = rocm_rnn_get_place
init_h = np.zeros(
(self.num_layers * self.direction_num, batch_size, hidden_size)
).astype(self.dtype)
init_c = np.zeros(
(self.num_layers * self.direction_num, batch_size, hidden_size)
).astype(self.dtype)
state_out = np.ndarray(300).astype("uint8")
self.inputs = {
'Input': input,
'WeightList': flat_w,
'PreState': [('init_h', init_h), ('init_c', init_c)],
'SequenceLength': self.sequence_length,
}
if self.sequence_length is None:
self.inputs = {
'Input': input,
'WeightList': flat_w,
'PreState': [('init_h', init_h), ('init_c', init_c)],
}
self.attrs = {
'dropout_prob': self.dropout,
'is_bidirec': self.is_bidirec,
'input_size': input_size,
'hidden_size': hidden_size,
'num_layers': self.num_layers,
'mode': self.mode,
'is_test': self.is_test,
}
self.outputs = {
'Out': output,
"State": [('last_hidden', last_hidden), ('last_cell', last_cell)],
'Reserve': np.ndarray(400).astype("uint8"),
'DropoutState': state_out,
}
def test_output(self):
self.check_output(
no_check_set=['Reserve', 'DropoutState'],
check_pir=True,
check_symbol_infer=False,
)
def set_attrs(self):
pass
def test_grad(self):
if not self.is_test:
var_name_list = self.get_weight_names()
grad_check_list = ['Input', 'init_h', 'init_c']
grad_check_list.extend(var_name_list)
self.check_grad(
set(grad_check_list),
['Out', 'last_hidden', 'last_cell'],
check_pir=True,
)
def test_grad_only_input(self):
if not self.is_test:
var_name_list = self.get_weight_names()
grad_check_list = ['Input']
grad_check_list.extend(var_name_list)
self.check_grad(
set(grad_check_list),
['Out', 'last_hidden', 'last_cell'],
check_pir=True,
)
def test_grad_only_h(self):
if not self.is_test:
var_name_list = self.get_weight_names()
grad_check_list = ['init_h']
grad_check_list.extend(var_name_list)
self.check_grad(
set(grad_check_list),
['Out', 'last_hidden', 'last_cell'],
check_pir=True,
)
def test_grad_only_c(self):
if not self.is_test:
var_name_list = self.get_weight_names()
grad_check_list = ['init_c']
grad_check_list.extend(var_name_list)
self.check_grad(
set(grad_check_list),
['Out', 'last_hidden', 'last_cell'],
check_pir=True,
)
class TestRNNOp1(TestRNNOp):
def set_attrs(self):
self.sequence_length = None
class TestRNNOp2(TestRNNOp):
def set_attrs(self):
self.sequence_length = None
self.is_bidirec = True
class TestRNNOp3(TestRNNOp):
def set_attrs(self):
self.is_test = True
self.sequence_length = None
class TestRNNOp4(TestRNNOp):
def set_attrs(self):
self.is_test = True
self.sequence_length = None
self.is_bidirec = True
class TestRNNOp5(TestRNNOp):
def set_attrs(self):
self.num_layers = 2
class TestRNNOp6(TestRNNOp):
def set_attrs(self):
self.num_layers = 2
self.is_bidirec = True
class TestRNNOp7(TestRNNOp):
def set_attrs(self):
self.num_layers = 2
self.is_bidirec = True
self.is_test = True
class TestRNNOp8(TestRNNOp):
def set_attrs(self):
self.num_layers = 2
self.is_bidirec = True
self.sequence_length = None
class TestRNNOp9(TestRNNOp):
def set_attrs(self):
self.num_layers = 3
if __name__ == '__main__':
unittest.main()