Where is the code for evalueting the average accuracy for Llama-3.1-8B-Instruct on longbench?

<img width="764" height="276" alt="Image" src="https://github.com/user-attachments/assets/5d1ce714-90a0-4034-b196-af3b346b81c4" />
I want to reproduce the accuracy of bitdecoding for Llama-3.1-8B-Instruct on Longbench, while I can't find the code, could you please tell me where it is ?