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Fix layer reference loss + previous attempted fix

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LysandreJik
2019-07-11 22:29:55 -04:00
parent 6c2ee16c04
commit 3fbceed8d2
4 changed files with 8 additions and 8 deletions
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4
pytorch_transformers/modeling_bert.py
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@@ -762,7 +762,7 @@ class BertForPreTraining(BertPreTrainedModel):
if self.config.torchscript: if self.config.torchscript:
self.cls.predictions.decoder.weight = nn.Parameter(input_embeddings.clone()) self.cls.predictions.decoder.weight = nn.Parameter(input_embeddings.clone())
else: else:
self.cls.predictions.decoder = self.bert.embeddings.word_embeddings # Tied weights self.cls.predictions.decoder.weight = input_embeddings # Tied weights
def forward(self, input_ids, token_type_ids=None, attention_mask=None, masked_lm_labels=None, def forward(self, input_ids, token_type_ids=None, attention_mask=None, masked_lm_labels=None,
next_sentence_label=None, head_mask=None): next_sentence_label=None, head_mask=None):
@@ -868,7 +868,7 @@ class BertForMaskedLM(BertPreTrainedModel):
if self.config.torchscript: if self.config.torchscript:
self.cls.predictions.decoder.weight = nn.Parameter(input_embeddings.clone()) self.cls.predictions.decoder.weight = nn.Parameter(input_embeddings.clone())
else: else:
self.cls.predictions.decoder = self.bert.embeddings.word_embeddings # Tied weights self.cls.predictions.decoder.weight = input_embeddings # Tied weights
def forward(self, input_ids, token_type_ids=None, attention_mask=None, masked_lm_labels=None, head_mask=None): def forward(self, input_ids, token_type_ids=None, attention_mask=None, masked_lm_labels=None, head_mask=None):
""" """

4
pytorch_transformers/modeling_gpt2.py
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@@ -566,7 +566,7 @@ class GPT2LMHeadModel(GPT2PreTrainedModel):
if self.config.torchscript: if self.config.torchscript:
self.lm_head.weight = nn.Parameter(input_embeddings.clone()) self.lm_head.weight = nn.Parameter(input_embeddings.clone())
else: else:
self.lm_head = self.transformer.wte # Tied weights self.lm_head.weight = input_embeddings # Tied weights
def forward(self, input_ids, position_ids=None, token_type_ids=None, lm_labels=None, past=None, head_mask=None): def forward(self, input_ids, position_ids=None, token_type_ids=None, lm_labels=None, past=None, head_mask=None):
""" """
@@ -662,7 +662,7 @@ class GPT2DoubleHeadsModel(GPT2PreTrainedModel):
if self.config.torchscript: if self.config.torchscript:
self.lm_head.weight = nn.Parameter(input_embeddings.clone()) self.lm_head.weight = nn.Parameter(input_embeddings.clone())
else: else:
self.lm_head = self.transformer.wte # Tied weights self.lm_head.weight = input_embeddings # Tied weights
def forward(self, input_ids, mc_token_ids=None, lm_labels=None, mc_labels=None, token_type_ids=None, def forward(self, input_ids, mc_token_ids=None, lm_labels=None, mc_labels=None, token_type_ids=None,
position_ids=None, past=None, head_mask=None): position_ids=None, past=None, head_mask=None):

4
pytorch_transformers/modeling_openai.py
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@@ -587,7 +587,7 @@ class OpenAIGPTLMHeadModel(OpenAIGPTPreTrainedModel):
if self.config.torchscript: if self.config.torchscript:
self.lm_head.weight = nn.Parameter(input_embeddings.clone()) self.lm_head.weight = nn.Parameter(input_embeddings.clone())
else: else:
self.lm_head = self.transformer.tokens_embed # Tied weights self.lm_head.weight = input_embeddings # Tied weights
def forward(self, input_ids, position_ids=None, token_type_ids=None, lm_labels=None, head_mask=None): def forward(self, input_ids, position_ids=None, token_type_ids=None, lm_labels=None, head_mask=None):
""" """
@@ -700,7 +700,7 @@ class OpenAIGPTDoubleHeadsModel(OpenAIGPTPreTrainedModel):
if self.config.torchscript: if self.config.torchscript:
self.lm_head.weight = nn.Parameter(input_embeddings.clone()) self.lm_head.weight = nn.Parameter(input_embeddings.clone())
else: else:
self.lm_head = self.transformer.tokens_embed # Tied weights self.lm_head.weight = input_embeddings # Tied weights
def forward(self, input_ids, mc_token_ids=None, lm_labels=None, mc_labels=None, token_type_ids=None, def forward(self, input_ids, mc_token_ids=None, lm_labels=None, mc_labels=None, token_type_ids=None,
position_ids=None, head_mask=None): position_ids=None, head_mask=None):

4
pytorch_transformers/tests/modeling_common_test.py
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@@ -541,8 +541,8 @@ class ModelUtilsTest(unittest.TestCase):
model.resize_token_embeddings(config.vocab_size + 10) model.resize_token_embeddings(config.vocab_size + 10)
decoding.weight.data.mul_(20) decoding.weight.data.mul_(20)
# Check that the embedding layer and decoding layer are the same in size and in value # Check that the embedding layer and decoding layer are the same in size and in value
self.assertTrue(embeddings.weight.shape, decoding.weight.shape) self.assertTrue(model.transformer.wte.weight.shape, model.lm_head.weight.shape)
self.assertTrue(check_same_values(embeddings, decoding)) self.assertTrue(check_same_values(model.transformer.wte, model.lm_head))
if __name__ == "__main__": if __name__ == "__main__":