gpt2-medium-dutch / flax_to_pytorch.py
yhavinga's picture
Add pytorch model at 320000 steps
311feca
raw history blame
No virus
828 Bytes
import torch
import numpy as np
import jax
import jax.numpy as jnp
from transformers import AutoTokenizer
from transformers import FlaxGPT2LMHeadModel
from transformers import GPT2LMHeadModel
tokenizer = AutoTokenizer.from_pretrained(".")
tokenizer.pad_token = tokenizer.eos_token
model_fx = FlaxGPT2LMHeadModel.from_pretrained(".")
# def to_f32(t):
# return jax.tree_map(lambda x: x.astype(jnp.float32) if x.dtype == jnp.bfloat16 else x, t)
# model_fx.params = to_f32(model_fx.params)
# model_fx.save_pretrained("./fx")
model_pt = GPT2LMHeadModel.from_pretrained(".", from_flax=True)
model_pt.save_pretrained(".")
input_ids = np.asarray(2 * [128 * [0]], dtype=np.int32)
input_ids_pt = torch.tensor(input_ids)
logits_pt = model_pt(input_ids_pt).logits
print(logits_pt)
logits_fx = model_fx(input_ids).logits
print(logits_fx)