Files
vits-finetuning/bertfe.py
T
2023-05-22 23:09:00 -03:00

35 lines
1.1 KiB
Python

import torch
import io
import numpy as np
import matplotlib.pyplot as plt
from transformers import AutoModel, AutoTokenizer
#TODO: Add batch inference fun
class BERTFrontEnd():
def __init__(self,is_cuda = False,model_name = "huawei-noah/TinyBERT_General_4L_312D"):
self.model = AutoModel.from_pretrained(model_name)
self.tokenizer = AutoTokenizer.from_pretrained(model_name)
self.is_cuda = is_cuda
if is_cuda:
self.model = self.model.cuda()
print("Loaded BERT")
#Perform inference with single text
# in_txt: String to infer from
# returns: hidden states, [1, n_tokens, bert_size] ; pooled, [1, bert_size]
def infer(self,in_txt):
inputs = self.tokenizer(in_txt, return_tensors="pt")
if self.is_cuda:
inputs["input_ids"] = inputs["input_ids"].cuda()
inputs["token_type_ids"] = inputs["token_type_ids"].cuda()
inputs["attention_mask"] = inputs["attention_mask"].cuda()
with torch.no_grad():
encoded_layers, pooled = self.model(**inputs,return_dict=False)
return encoded_layers, pooled