fix benchmark links (#1092)

Meng Wei

2023-11-15 12d694f94cb4d25ee9a981a16f9197e4bb13b4eb

1
{"unk_token": "<|endoftext|>", "bos_token": "<|endoftext|>", "eos_token": "<|endoftext|>", "add_prefix_space": false, "model_max_length": 1024, "special_tokens_map_file": null, "name_or_path": "gpt2", "tokenizer_class": "GPT2Tokenizer"}