| from transformers import RobertaForMaskedLM, FlaxRobertaForMaskedLM, AutoTokenizer | |
| import torch | |
| import numpy as np | |
| import jax | |
| import jax.numpy as jnp | |
| MODEL_PATH = "./" | |
| model = FlaxRobertaForMaskedLM.from_pretrained(MODEL_PATH) | |
| def to_f32(t): | |
| return jax.tree_map(lambda x: x.astype(jnp.float32) if x.dtype == jnp.bfloat16 else x, t) | |
| model.params = to_f32(model.params) | |
| model.save_pretrained(MODEL_PATH) | |
| pt_model = RobertaForMaskedLM.from_pretrained(MODEL_PATH, from_flax=True) | |
| input_ids = np.asarray(2 * [128 * [0]], dtype=np.int32) | |
| input_ids_pt = torch.tensor(input_ids) | |
| logits_pt = pt_model(input_ids_pt).logits | |
| print(logits_pt) | |
| logits_fx = model(input_ids).logits | |
| print(logits_fx) | |
| pt_model.save_pretrained(MODEL_PATH) | |
| # also save tokenizer | |
| tokenizer = AutoTokenizer.from_pretrained(MODEL_PATH) | |
| tokenizer.save_pretrained(MODEL_PATH) |