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remove some cpu specs from seq2seq model and the translate example (#2337)

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Raingo 2016-05-24 20:05:07 -04:00 committed by Vijay Vasudevan
parent 4dd5fef870
commit d15feedccc
2 changed files with 12 additions and 17 deletions
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2
tensorflow/models/rnn/translate/seq2seq_model.py
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@ -83,14 +83,12 @@ class Seq2SeqModel(object):
softmax_loss_function = None
# Sampled softmax only makes sense if we sample less than vocabulary size.
if num_samples > 0 and num_samples < self.target_vocab_size:
with tf.device("/cpu:0"):
w = tf.get_variable("proj_w", [size, self.target_vocab_size])
w_t = tf.transpose(w)
b = tf.get_variable("proj_b", [self.target_vocab_size])
output_projection = (w, b)
def sampled_loss(inputs, labels):
with tf.device("/cpu:0"):
labels = tf.reshape(labels, [-1, 1])
return tf.nn.sampled_softmax_loss(w_t, b, inputs, labels, num_samples,
self.target_vocab_size)

3
tensorflow/python/ops/seq2seq.py
View File

@ -260,7 +260,6 @@ def embedding_rnn_decoder(decoder_inputs, initial_state, cell, num_symbols,
proj_biases.get_shape().assert_is_compatible_with([num_symbols])
with variable_scope.variable_scope(scope or "embedding_rnn_decoder"):
with ops.device("/cpu:0"):
embedding = variable_scope.get_variable("embedding",
[num_symbols, embedding_size])
loop_function = _extract_argmax_and_embed(
@ -398,7 +397,6 @@ def embedding_tied_rnn_seq2seq(encoder_inputs, decoder_inputs, cell,
proj_biases.get_shape().assert_is_compatible_with([num_symbols])
with variable_scope.variable_scope(scope or "embedding_tied_rnn_seq2seq"):
with ops.device("/cpu:0"):
embedding = variable_scope.get_variable("embedding",
[num_symbols, embedding_size])
@ -636,7 +634,6 @@ def embedding_attention_decoder(decoder_inputs, initial_state, attention_states,
proj_biases.get_shape().assert_is_compatible_with([num_symbols])
with variable_scope.variable_scope(scope or "embedding_attention_decoder"):
with ops.device("/cpu:0"):
embedding = variable_scope.get_variable("embedding",
[num_symbols, embedding_size])
loop_function = _extract_argmax_and_embed(