tinyqwen35dense2m / example_generate.py
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"""Generate a short TinyStories-style continuation from the local HF checkpoint."""
from pathlib import Path
import torch
from transformers import AutoModelForCausalLM, AutoTokenizer
def main() -> None:
model_dir = Path(__file__).resolve().parent / "hf"
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
tokenizer = AutoTokenizer.from_pretrained(model_dir)
model = AutoModelForCausalLM.from_pretrained(model_dir, dtype=torch.float32).to(device)
model.eval()
prompt = "Once upon"
input_ids = torch.tensor(
[[tokenizer.bos_token_id] + tokenizer.encode(prompt, add_special_tokens=False)],
dtype=torch.long,
device=device,
)
torch.manual_seed(1234)
with torch.no_grad():
output = model.generate(
input_ids=input_ids,
max_new_tokens=100,
do_sample=True,
temperature=0.8,
top_p=0.95,
top_k=40,
repetition_penalty=1.1,
pad_token_id=tokenizer.pad_token_id,
eos_token_id=tokenizer.eos_token_id,
)
print(tokenizer.decode(output[0].tolist(), skip_special_tokens=True))
if __name__ == "__main__":
main()