peft pytorch btlm generated_from_trainer custom_code dataset:iarfmoose/question_generator dataset:Defalt-404/Bittensor_validator dataset:multi_news dataset:cnn_dailymail base_model:cerebras/btlm-3b-8k-base base_model:adapter:cerebras/btlm-3b-8k-base license:apache-2.0 region:us