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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) |