transformers pytorch mega fill-mask generated_from_trainer dataset:pszemraj/simple_wikipedia_LM dataset:JeanKaddour/minipile base_model:pszemraj/mega-small-2048-C1024-simplewiki-MR50-tk_ema32 base_model:finetune:pszemraj/mega-small-2048-C1024-simplewiki-MR50-tk_ema32 license:apache-2.0 autotrain_compatible endpoints_compatible region:us