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Model: yhavinga/gpt2-medium-dutch Source: Original Platform
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flax_to_pytorch.py
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22
flax_to_pytorch.py
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import torch
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import numpy as np
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import jax
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import jax.numpy as jnp
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from transformers import AutoTokenizer
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from transformers import FlaxGPT2LMHeadModel
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from transformers import GPT2LMHeadModel
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tokenizer = AutoTokenizer.from_pretrained(".")
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tokenizer.pad_token = tokenizer.eos_token
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model_fx = FlaxGPT2LMHeadModel.from_pretrained(".")
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# def to_f32(t):
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# return jax.tree_map(lambda x: x.astype(jnp.float32) if x.dtype == jnp.bfloat16 else x, t)
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# model_fx.params = to_f32(model_fx.params)
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# model_fx.save_pretrained("./fx")
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model_pt = GPT2LMHeadModel.from_pretrained(".", from_flax=True)
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model_pt.save_pretrained(".")
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input_ids = np.asarray(2 * [128 * [0]], dtype=np.int32)
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input_ids_pt = torch.tensor(input_ids)
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logits_pt = model_pt(input_ids_pt).logits
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print(logits_pt)
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logits_fx = model_fx(input_ids).logits
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print(logits_fx)
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