makitanikaze
commited on
Commit
•
8396156
1
Parent(s):
f42bc28
Upload P5Pretraining
Browse files- config.json +67 -0
- pretrain_model.py +133 -0
- pytorch_model.bin +3 -0
config.json
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{
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"_name_or_path": "t5-small",
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"activation_dropout": 0.1,
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"architectures": [
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"P5Pretraining"
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],
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"attention_dropout": 0.1,
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"auto_map": {
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"AutoModel": "pretrain_model.P5Pretraining"
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},
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"d_ff": 2048,
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"d_kv": 64,
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"d_model": 512,
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"decoder_start_token_id": 0,
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"dense_act_fn": "relu",
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"dropout": 0.1,
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"dropout_rate": 0.1,
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"eos_token_id": 1,
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"feed_forward_proj": "relu",
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"initializer_factor": 1.0,
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"is_encoder_decoder": true,
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"is_gated_act": false,
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"layer_norm_epsilon": 1e-06,
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"losses": "rating,sequential,explanation,review,traditional",
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"model_type": "t5",
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"n_positions": 512,
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"num_decoder_layers": 6,
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"num_heads": 8,
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"num_layers": 6,
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"output_past": true,
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"pad_token_id": 0,
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"relative_attention_max_distance": 128,
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"relative_attention_num_buckets": 32,
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"task_specific_params": {
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"summarization": {
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"early_stopping": true,
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"length_penalty": 2.0,
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"max_length": 200,
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"min_length": 30,
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"no_repeat_ngram_size": 3,
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"num_beams": 4,
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"prefix": "summarize: "
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},
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"translation_en_to_de": {
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"early_stopping": true,
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"max_length": 300,
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"num_beams": 4,
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"prefix": "translate English to German: "
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},
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"translation_en_to_fr": {
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"early_stopping": true,
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"max_length": 300,
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"num_beams": 4,
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"prefix": "translate English to French: "
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},
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"translation_en_to_ro": {
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"early_stopping": true,
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"max_length": 300,
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"num_beams": 4,
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"prefix": "translate English to Romanian: "
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}
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},
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"torch_dtype": "float32",
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"transformers_version": "4.25.1",
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"use_cache": true,
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"vocab_size": 32100
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}
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pretrain_model.py
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import torch
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import torch.nn as nn
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import torch.nn.functional as F
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import numpy as np
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from modeling_p5 import P5
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class P5Pretraining(P5):
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def __init__(self, config):
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super().__init__(config)
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self.losses = self.config.losses.split(',')
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def train_step(self, batch):
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device = next(self.parameters()).device
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input_ids = batch['input_ids'].to(device)
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whole_word_ids = batch['whole_word_ids'].to(device)
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lm_labels = batch["target_ids"].to(device)
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loss_weights = batch["loss_weights"].to(device)
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output = self(
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input_ids=input_ids,
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whole_word_ids=whole_word_ids,
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labels=lm_labels,
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return_dict=True
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)
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assert 'loss' in output
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lm_mask = lm_labels != -100
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lm_mask = lm_mask.float()
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B, L = lm_labels.size()
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loss = output['loss']
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loss = loss.view(B, L) * lm_mask
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loss = loss.sum(dim=1) / lm_mask.sum(dim=1).clamp(min=1)
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task_counts = {task: 0 for task in self.losses}
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task_loss = {task: 0 for task in self.losses}
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results = {}
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results['loss'] = (loss * loss_weights).mean()
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results['total_loss'] = loss.detach().sum()
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results['total_loss_count'] = len(loss)
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task_counts = {task: 0 for task in self.losses}
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task_loss = {task: 0 for task in self.losses}
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for _loss, task in zip(loss.detach(), batch['task']):
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task_loss[task] += _loss
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task_counts[task] += 1
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for task in self.losses:
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if task_counts[task] > 0:
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results[f'{task}_loss'] = task_loss[task]
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results[f'{task}_loss_count'] = task_counts[task]
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return results
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@torch.no_grad()
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def valid_step(self, batch):
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self.eval()
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device = next(self.parameters()).device
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input_ids = batch['input_ids'].to(device)
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lm_labels = batch["target_ids"].to(device)
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loss_weights = batch["loss_weights"].to(device)
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output = self(
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input_ids=input_ids,
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labels=lm_labels,
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return_dict=True
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)
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assert 'loss' in output
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lm_mask = lm_labels != -100
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lm_mask = lm_mask.float()
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B, L = lm_labels.size()
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loss = output['loss']
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loss = loss.view(B, L) * lm_mask
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loss = loss.sum(dim=1) / lm_mask.sum(dim=1).clamp(min=1)
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results = {}
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results['loss'] = (loss * loss_weights).mean()
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results['total_loss'] = loss.detach().sum()
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results['total_loss_count'] = len(loss)
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task_counts = {task: 0 for task in self.losses}
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task_loss = {task: 0 for task in self.losses}
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for _loss, task in zip(loss.detach(), batch['task']):
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task_loss[task] += _loss
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task_counts[task] += 1
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for task in self.losses:
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if task_counts[task] > 0:
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results[f'{task}_loss'] = task_loss[task]
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results[f'{task}_loss_count'] = task_counts[task]
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if 'rating' in self.losses:
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output = self.generate(
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input_ids=input_ids
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)
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generated_score = self.tokenizer.batch_decode(output, skip_special_tokens=True)
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results['rating_pred'] = generated_score
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return results
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@torch.no_grad()
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def generate_step(self, batch):
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self.eval()
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device = next(self.parameters()).device
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input_ids = batch['input_ids'].to(device)
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output = self.generate(
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input_ids=input_ids,
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)
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generated_sents = self.tokenizer.batch_decode(output, skip_special_tokens=True)
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return generated_sents
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pytorch_model.bin
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version https://git-lfs.github.com/spec/v1
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oid sha256:12527453cb533d059101259fb3001164cc4613bdf0c12fbf0c27d5d574860e2b
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size 243063197
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