Remove nested directory: BitTransformerLM/wikitext_benchmark.py
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BitTransformerLM/wikitext_benchmark.py
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import torch
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import torch.nn.functional as F
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from datasets import load_dataset
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from bit_transformer import text_to_bits, collapse_submodel
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from progressive_scaleup import progressive_scale_up_text
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def lines_to_bits(lines, max_len=64):
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data = []
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for text in lines:
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bits = text_to_bits(text)[:max_len]
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if len(bits) < max_len:
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bits.extend([0] * (max_len - len(bits)))
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data.append(bits)
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return data
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def main():
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ds = load_dataset("wikitext", "wikitext-2-raw-v1", split="train[:1%]")
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val_ds = load_dataset("wikitext", "wikitext-2-raw-v1", split="validation[:1%]")
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train_lines = [item["text"] for item in ds][:256]
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valid_lines = [item["text"] for item in val_ds][:64]
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train_bits = lines_to_bits(train_lines)
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valid_bits = lines_to_bits(valid_lines)
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progressive_scale_up_text(
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eps=0.65,
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steps=4,
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width_mult=2.0,
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max_len=64,
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dataset_size=min(64, len(train_bits)),
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)
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target_params = dict(d_model=16, nhead=4, num_layers=1, dim_feedforward=64, max_seq_len=64)
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model, _ = collapse_submodel(train_bits[:64], target_params, max_rounds=1)
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val_tensor = torch.tensor(valid_bits, dtype=torch.long)
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logits, _ = model(val_tensor)
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pred = logits[:, :-1, :].reshape(-1, 2)
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target = val_tensor[:, 1:].reshape(-1)
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loss = F.cross_entropy(pred, target)
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print("Collapsed model validation loss:", loss.item())
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if __name__ == "__main__":
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main()
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