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提交 f364b722 编写于 作者: J JiabinYang
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test=develop, add ptb_rnn test in imperative

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python/paddle/fluid/tests/unittests/test_imperative_ptb_rnn.py
浏览文件 @ f364b722
......@@ -20,7 +20,9 @@ from paddle.fluid.imperative.nn import EMBEDDING
import paddle.fluid.framework as framework
from paddle.fluid.optimizer import SGDOptimizer
from paddle.fluid.imperative.base import to_variable
from test_imperative_base import new_program_scope
import numpy as np
import six
from paddle.fluid.backward import append_backward
......@@ -36,8 +38,8 @@ class SimpleLSTMRNN(fluid.imperative.Layer):
self._num_layers = num_layers
self._init_scale = init_scale
self._dropout = dropout
self.input = None
self.num_steps = num_steps
self._input = None
self._num_steps = num_steps
def _build_once(self, input_embedding, init_hidden=None, init_cell=None):
self.weight_1_arr = []
......@@ -75,58 +77,49 @@ class SimpleLSTMRNN(fluid.imperative.Layer):
def forward(self, input_embedding, init_hidden=None, init_cell=None):
res = []
for index in range(self.num_steps):
self.input = fluid.layers.slice(
for index in range(self._num_steps):
self._input = fluid.layers.slice(
input_embedding, axes=[1], starts=[index], ends=[index + 1])
self.input = fluid.layers.reshape(
self.input, shape=[-1, self._hidden_size])
self._input = fluid.layers.reshape(
self._input, shape=[-1, self._hidden_size])
for k in range(self._num_layers):
pre_hidden = self.hidden_array[k]
print("pre_hidden shape is:{}".format(pre_hidden.shape))
print("input shape is:{}".format(self.input.shape))
pre_cell = self.cell_array[k]
weight_1 = self.weight_1_arr[k]
bias = self.bias_arr[k]
nn = fluid.layers.concat([self.input, pre_hidden], 1)
nn = fluid.layers.concat([self._input, pre_hidden], 1)
gate_input = fluid.layers.matmul(x=nn, y=weight_1)
gate_input = fluid.layers.elementwise_add(gate_input, bias)
print("gate_input shape is: {}".format(gate_input.shape))
print("gate_input value is :{}".format(gate_input._numpy()))
print("gate_input desc is :{}".format(gate_input))
# i, j, f, o = fluid.layers.split(gate_input, num_or_sections=4, dim=-1)
# #
# # c = pre_cell * fluid.layers.sigmoid(f) + fluid.layers.sigmoid(
# # i) * fluid.layers.tanh(j)
# # m = fluid.layers.tanh(c) * fluid.layers.sigmoid(o)
# #
# # self.hidden_array[k] = m
# # self.cell_array[k] = c
# # self.input = m
# #
# # if self.dropout is not None and self.dropout > 0.0:
# # self.input = fluid.layers.dropout(
# # self.input,
# # dropout_prob=self.dropout,
# # dropout_implementation='upscale_in_train')
# #
# # res.append(
# # fluid.layers.reshape(
# # input, shape=[1, -1, self._hidden_size]))
# # real_res = fluid.layers.concat(res, 0)
# # real_res = fluid.layers.transpose(x=real_res, perm=[1, 0, 2])
# # last_hidden = fluid.layers.concat(self.hidden_array, 1)
# # last_hidden = fluid.layers.reshape(
# # last_hidden, shape=[-1, self._num_layers, self._hidden_size])
# # last_hidden = fluid.layers.transpose(x=last_hidden, perm=[1, 0, 2])
# # last_cell = fluid.layers.concat(self.cell_array, 1)
# # last_cell = fluid.layers.reshape(
# # last_cell, shape=[-1, self._num_layers, self._hidden_size])
# # last_cell = fluid.layers.transpose(x=last_cell, perm=[1, 0, 2])
# #
# return real_res, last_hidden, last_cell
return [1], [2], [3]
i, j, f, o = fluid.layers.split(
gate_input, num_or_sections=4, dim=-1)
c = pre_cell * fluid.layers.sigmoid(f) + fluid.layers.sigmoid(
i) * fluid.layers.tanh(j)
m = fluid.layers.tanh(c) * fluid.layers.sigmoid(o)
self.hidden_array[k] = m
self.cell_array[k] = c
self._input = m
if self._dropout is not None and self._dropout > 0.0:
self._input = fluid.layers.dropout(
self._input,
dropout_prob=self._dropout,
dropout_implementation='upscale_in_train')
res.append(
fluid.layers.reshape(
self._input, shape=[1, -1, self._hidden_size]))
real_res = fluid.layers.concat(res, 0)
real_res = fluid.layers.transpose(x=real_res, perm=[1, 0, 2])
last_hidden = fluid.layers.concat(self.hidden_array, 1)
last_hidden = fluid.layers.reshape(
last_hidden, shape=[-1, self._num_layers, self._hidden_size])
last_hidden = fluid.layers.transpose(x=last_hidden, perm=[1, 0, 2])
last_cell = fluid.layers.concat(self.cell_array, 1)
last_cell = fluid.layers.reshape(
last_cell, shape=[-1, self._num_layers, self._hidden_size])
last_cell = fluid.layers.transpose(x=last_cell, perm=[1, 0, 2])
return real_res, last_hidden, last_cell
class PtbModel(fluid.imperative.Layer):
......@@ -189,12 +182,11 @@ class PtbModel(fluid.imperative.Layer):
x_emb,
dropout_prob=self.drop_out,
dropout_implementation='upscale_in_train')
print("init_c is {}".format(init_c))
rnn_out, last_hidden, last_cell = self.simple_lstm_rnn(x_emb, init_h,
init_c)
rnn_out = fluid.layers.reshape(
rnn_out, shape=[-1, self.num_steps, self.hidden_size])
projection = fluid.layers.reshape(rnn_out, self.softmax_weight)
projection = fluid.layers.matmul(rnn_out, self.softmax_weight)
projection = fluid.layers.elementwise_add(projection, self.softmax_bias)
projection = fluid.layers.reshape(
projection, shape=[-1, self.vocab_size])
......@@ -232,7 +224,8 @@ class TestImperativePtbRnn(unittest.TestCase):
init_scale=init_scale)
sgd = SGDOptimizer(learning_rate=1e-3)
print("q")
dy_param_updated = dict()
dy_param_init = dict()
for i in range(2):
x_data = np.arange(12).reshape(4, 3).astype('int64')
y_data = np.arange(1, 13).reshape(4, 3).astype('int64')
......@@ -248,17 +241,95 @@ class TestImperativePtbRnn(unittest.TestCase):
init_cell = to_variable(init_cell_data)
dy_loss, last_hidden, last_cell = ptb_model(x, y, init_hidden,
init_cell)
dy_param_init = dict()
if i == 0:
for param in fluid.default_main_program().global_block(
).all_parameters():
dy_param_init[param.name] = param._numpy()
dy_loss._backward()
sgd.minimize(dy_loss)
dy_param_updated = dict()
for param in fluid.default_main_program().global_block(
).all_parameters():
dy_param_updated[param.name] = param._numpy()
# print("dy_loss is {}".format(dy_loss._numpy()))
# print("last_hidden is {}".format(last_hidden._numpy()))
# print("last_cell is {}".format(last_cell._numpy()))
with new_program_scope():
fluid.default_startup_program().random_seed = seed
fluid.default_main_program().random_seed = seed
# TODO: marsyang1993 Change seed to
ptb_model = PtbModel(
hidden_size=hidden_size,
vocab_size=vocab_size,
num_layers=num_layers,
num_steps=num_steps,
init_scale=init_scale)
exe = fluid.Executor(fluid.CPUPlace())
sgd = SGDOptimizer(learning_rate=1e-3)
x = fluid.layers.data(name="x", shape=[-1, 3, 1], dtype='int64')
y = fluid.layers.data(name="y", shape=[-1, 1], dtype='float32')
init_hidden = fluid.layers.data(
name="init_hidden", shape=[1], dtype='float32')
init_cell = fluid.layers.data(
name="init_cell", shape=[1], dtype='float32')
static_loss, static_last_hidden, static_last_cell = ptb_model(
x, y, init_hidden, init_cell)
sgd.minimize(static_loss)
static_param_updated = dict()
static_param_init = dict()
static_param_name_list = list()
for param in fluid.default_startup_program().global_block(
).all_parameters():
static_param_name_list.append(param.name)
out = exe.run(framework.default_startup_program(),
fetch_list=static_param_name_list)
for i in range(len(static_param_name_list)):
static_param_init[static_param_name_list[i]] = out[i]
for i in range(2):
x_data = np.arange(12).reshape(4, 3).astype('int64')
y_data = np.arange(1, 13).reshape(4, 3).astype('int64')
x_data = x_data.reshape((-1, num_steps, 1))
y_data = y_data.reshape((-1, 1))
init_hidden_data = np.zeros(
(num_layers, batch_size, hidden_size), dtype='float32')
init_cell_data = np.zeros(
(num_layers, batch_size, hidden_size), dtype='float32')
fetch_list = [static_loss, static_last_hidden, static_last_cell]
fetch_list.extend(static_param_name_list)
out = exe.run(fluid.default_main_program(),
feed={
"x": x_data,
"y": y_data,
"init_hidden": init_hidden_data,
"init_cell": init_cell_data
},
fetch_list=fetch_list)
static_loss_value = out[0]
static_last_cell_value = out[1]
static_last_hidden_value = out[2]
# print("static_loss is {}".format(out[0]))
# print("last_hidden is {}".format(out[1]))
# print("last_cell is {}".format(out[2]))
for i in range(3, len(out)):
static_param_updated[static_param_name_list[i - 3]] = out[i]
self.assertTrue(
np.allclose(static_loss_value.all(), dy_loss._numpy().all()))
self.assertTrue(
np.allclose(static_last_cell_value.all(),
last_cell._numpy().all()))
self.assertTrue(
np.allclose(static_last_hidden_value.all(),
last_hidden._numpy().all()))
for key, value in six.iteritems(static_param_init):
self.assertTrue(
np.allclose(value.all(), dy_param_init[key].all()))
for key, value in six.iteritems(static_param_updated):
self.assertTrue(
np.allclose(value.all(), dy_param_updated[key].all()))
if __name__ == '__main__':
......
python/paddle/fluid/tests/unittests/test_imperative_split.py
浏览文件 @ f364b722
......@@ -38,7 +38,6 @@ class TestImperativePtbRnn(unittest.TestCase):
inp = to_variable(np.arange(160).reshape(4, 40).astype('float32'))
st = Split_test()
out = st(inp)
print(out)
if __name__ == '__main__':
......
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