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@ -138,11 +138,46 @@ class DalleBartDecoder(nn.Module): |
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self.start_token = self.start_token.cuda() |
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def decode_initial( |
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self, |
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seed: int, |
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image_count: int, |
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text_tokens: LongTensor, |
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encoder_state: FloatTensor |
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) -> Tuple[FloatTensor, FloatTensor, FloatTensor, LongTensor]: |
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expanded_indices = [0] * image_count + [1] * image_count |
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text_tokens = text_tokens[expanded_indices] |
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encoder_state = encoder_state[expanded_indices] |
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attention_mask = text_tokens.not_equal(1) |
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attention_state_shape = ( |
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self.layer_count, |
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image_count * 4, |
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IMAGE_TOKEN_COUNT, |
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self.embed_count |
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) |
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attention_state = torch.zeros(attention_state_shape) |
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image_tokens_sequence = torch.full( |
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(image_count, IMAGE_TOKEN_COUNT + 1), |
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BLANK_TOKEN, |
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dtype=torch.long |
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) |
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if torch.cuda.is_available(): |
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attention_state = attention_state.cuda() |
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image_tokens_sequence = image_tokens_sequence.cuda() |
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image_tokens_sequence[:, 0] = self.start_token[0] |
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if seed > 0: torch.manual_seed(seed) |
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return encoder_state, attention_mask, attention_state, image_tokens_sequence |
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def decode_step( |
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self, |
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temperature: float, |
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top_k: int, |
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supercondition_factor: int, |
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supercondition_factor: float, |
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attention_mask: BoolTensor, |
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encoder_state: FloatTensor, |
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attention_state: FloatTensor, |
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@ -187,7 +222,7 @@ class DalleBartDecoder(nn.Module): |
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row_index: int, |
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temperature: float, |
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top_k: int, |
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supercondition_factor: int, |
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supercondition_factor: float, |
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encoder_state: FloatTensor, |
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attention_mask: BoolTensor, |
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attention_state: FloatTensor, |
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@ -207,39 +242,4 @@ class DalleBartDecoder(nn.Module): |
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) |
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image_tokens_sequence[:, i + 1] = torch.multinomial(probs, 1)[:, 0] |
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return attention_state, image_tokens_sequence |
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def decode_initial( |
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self, |
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seed: int, |
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image_count: int, |
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text_tokens: LongTensor, |
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encoder_state: FloatTensor |
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) -> Tuple[FloatTensor, FloatTensor, FloatTensor, LongTensor]: |
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expanded_indices = [0] * image_count + [1] * image_count |
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text_tokens = text_tokens[expanded_indices] |
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encoder_state = encoder_state[expanded_indices] |
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attention_mask = text_tokens.not_equal(1) |
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attention_state_shape = ( |
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self.layer_count, |
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image_count * 4, |
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IMAGE_TOKEN_COUNT, |
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self.embed_count |
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) |
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attention_state = torch.zeros(attention_state_shape) |
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image_tokens_sequence = torch.full( |
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(image_count, IMAGE_TOKEN_COUNT + 1), |
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BLANK_TOKEN, |
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dtype=torch.long |
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) |
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if torch.cuda.is_available(): |
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attention_state = attention_state.cuda() |
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image_tokens_sequence = image_tokens_sequence.cuda() |
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image_tokens_sequence[:, 0] = self.start_token[0] |
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if seed > 0: torch.manual_seed(seed) |
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return encoder_state, attention_mask, attention_state, image_tokens_sequence |
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return attention_state, image_tokens_sequence |