提交 a0e6f416 编写于 作者: M minqiyang

Port transformer

上级 c838fa31
......@@ -36,6 +36,7 @@ import paddle.fluid as fluid
import paddle.fluid.layers as layers
from paddle.fluid import core
from test_dist_base import TestDistRunnerBase, runtime_main
import paddle.compat as cpt
from paddle.compat import long_type
import hashlib
......@@ -315,7 +316,8 @@ def pad_batch_data(insts,
"""
return_list = []
max_len = max(len(inst) for inst in insts)
num_token = reduce(lambda x, y: x + y,
num_token = six.moves.reduce(
lambda x, y: x + y,
[len(inst) for inst in insts]) if return_num_token else 0
# Any token included in dict can be used to pad, since the paddings' loss
# will be masked out by weights and make no effect on parameter gradients.
......@@ -328,7 +330,7 @@ def pad_batch_data(insts,
return_list += [inst_weight.astype("float32").reshape([-1, 1])]
else: # position data
inst_pos = np.array([
range(1, len(inst) + 1) + [0] * (max_len - len(inst))
list(range(1, len(inst) + 1)) + [0] * (max_len - len(inst))
for inst in insts
])
return_list += [inst_pos.astype("int64").reshape([-1, 1])]
......@@ -385,10 +387,11 @@ def prepare_batch_input(insts, data_input_names, src_pad_idx, trg_pad_idx,
return_num_token=True)
data_input_dict = dict(
list(
zip(data_input_names, [
src_word, src_pos, src_slf_attn_bias, trg_word, trg_pos,
trg_slf_attn_bias, trg_src_attn_bias, lbl_word, lbl_weight
]))
])))
return data_input_dict, np.asarray([num_token], dtype="float32")
......@@ -561,7 +564,7 @@ def train_loop(exe, train_progm, dev_count, sum_cost, avg_cost, lr_scheduler,
np.log(TrainTaskConfig.label_smooth_eps / (
ModelHyperParams.trg_vocab_size - 1) + 1e-20))
init = False
for pass_id in xrange(TrainTaskConfig.pass_num):
for pass_id in six.moves.xrange(TrainTaskConfig.pass_num):
pass_start_time = time.time()
for batch_id, data in enumerate(train_data()):
if batch_id >= 5:
......@@ -587,11 +590,11 @@ def train_loop(exe, train_progm, dev_count, sum_cost, avg_cost, lr_scheduler,
ModelHyperParams.eos_idx, ModelHyperParams.n_head,
ModelHyperParams.d_model)
total_num_token += num_token
feed_kv_pairs = data_input_dict.items()
feed_kv_pairs = list(data_input_dict.items())
if TrainTaskConfig.local:
feed_kv_pairs += {
feed_kv_pairs += list({
lr_scheduler.learning_rate.name: lr_rate
}.items()
}.items())
feed_list.append(dict(feed_kv_pairs))
if not init:
......@@ -873,6 +876,7 @@ class DataReader(object):
f = tarfile.open(fpaths[0], "r")
for line in f.extractfile(tar_fname):
line = cpt.to_text(line)
fields = line.strip("\n").split(self._field_delimiter)
if (not self._only_src and len(fields) == 2) or (
self._only_src and len(fields) == 1):
......@@ -882,8 +886,9 @@ class DataReader(object):
if not os.path.isfile(fpath):
raise IOError("Invalid file: %s" % fpath)
with open(fpath, "r") as f:
with open(fpath, "rb") as f:
for line in f:
line = cpt.to_text(line)
fields = line.strip("\n").split(self._field_delimiter)
if (not self._only_src and len(fields) == 2) or (
self._only_src and len(fields) == 1):
......@@ -892,8 +897,9 @@ class DataReader(object):
@staticmethod
def load_dict(dict_path, reverse=False):
word_dict = {}
with open(dict_path, "r") as fdict:
with open(dict_path, "rb") as fdict:
for idx, line in enumerate(fdict):
line = cpt.to_text(line)
if reverse:
word_dict[idx] = line.strip("\n")
else:
......@@ -1034,7 +1040,7 @@ def multi_head_attention(queries,
# size of the input as the output dimension size.
return layers.reshape(
x=trans_x,
shape=map(int, [0, 0, trans_x.shape[2] * trans_x.shape[3]]))
shape=list(map(int, [0, 0, trans_x.shape[2] * trans_x.shape[3]])))
def scaled_dot_product_attention(q, k, v, attn_bias, d_model, dropout_rate):
"""
......
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