67 lines
2.3 KiB
Python
67 lines
2.3 KiB
Python
"""Check whether teacher-forcing and cached greedy generation agree on token 1."""
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from __future__ import annotations
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import json
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import torch
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from .benchmark_qwen import _generation_prompt
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from .qwen_integration import QwenMemoryConfig, load_qwen_dynamic, load_tokenizer
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from .train_qwen_memory import encode_messages, pad_batch
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def main() -> None:
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model = load_qwen_dynamic(
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".",
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memory_config=QwenMemoryConfig(mode="blend", blend_init=0.1),
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load_in_4bit=True,
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)
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model.load_memory_adapter("dynamic_memory_lab/qwen_memory_adapter_full")
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model.eval()
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tokenizer = load_tokenizer(".")
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record = json.loads(
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next(open("dynamic_memory_lab/data/benchmark_eval.jsonl", encoding="utf-8"))
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)
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device = model._find_layer_device()
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memory = encode_messages(tokenizer, record["memory"], 128)
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memory_input, memory_mask, _ = pad_batch([memory], int(tokenizer.pad_token_id))
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prompt = _generation_prompt(tokenizer, record["query"][:-1], device)
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with torch.inference_mode():
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memory_state = model(
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input_ids=memory_input.to(device),
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attention_mask=memory_mask.to(device),
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read_memory=False,
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update_memory=True,
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return_memory=True,
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use_cache=False,
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).memory
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teacher_forcing = model(
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input_ids=prompt["input_ids"],
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attention_mask=prompt["attention_mask"],
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memory_state=memory_state,
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read_memory=True,
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update_memory=False,
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return_memory=True,
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use_cache=False,
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)
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generated = model.generate(
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**prompt,
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max_new_tokens=1,
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do_sample=False,
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use_cache=True,
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pad_token_id=tokenizer.pad_token_id,
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)
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teacher_id = int(teacher_forcing.logits[0, -1].argmax())
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generated_id = int(generated[0, -1])
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print(json.dumps({"expected": record["answer"]}, ensure_ascii=True))
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print(json.dumps({"teacher_id": teacher_id, "teacher_text": tokenizer.decode([teacher_id])}, ensure_ascii=True))
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print(json.dumps({"generated_id": generated_id, "generated_text": tokenizer.decode([generated_id])}, ensure_ascii=True))
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print(f"same={teacher_id == generated_id}")
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if __name__ == "__main__":
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main()
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