gguf code Composer MosaicML llm-foundry StreamingDatasets en dataset:bigcode/the-stack-dedup dataset:togethercomputer/RedPajama-Data-1T base_model:replit/replit-code-v1_5-3b base_model:quantized:replit/replit-code-v1_5-3b license:apache-2.0 region:us