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update double head model

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thomwolf
2019-04-15 10:04:05 +02:00
parent b509bf7655
commit fe2756ff41
1 changed files with 1 additions and 1 deletions
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pytorch_pretrained_bert/modeling_openai.py
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@@ -371,7 +371,7 @@ class OpenAIGPTMultipleChoiceHead(nn.Module):
def forward(self, hidden_states, mc_token_ids): def forward(self, hidden_states, mc_token_ids):
# Classification logits # Classification logits
# hidden_state (bsz, num_choices, seq_length, hidden_size) # hidden_state (bsz, num_choices, seq_length, hidden_size)
# mc_token_ids (bsz, num_choices, 1) # mc_token_ids (bsz, num_choices)
mc_token_ids = mc_token_ids.unsqueeze(-1).unsqueeze(-1).expand(-1, -1, -1, hidden_states.size(-1)) mc_token_ids = mc_token_ids.unsqueeze(-1).unsqueeze(-1).expand(-1, -1, -1, hidden_states.size(-1))
# (bsz, num_choices, 1, hidden_size) # (bsz, num_choices, 1, hidden_size)
multiple_choice_h = hidden_states.gather(2, mc_token_ids).squeeze(2) multiple_choice_h = hidden_states.gather(2, mc_token_ids).squeeze(2)