Core ML efficiency/interpretability (Recurrent TF, DeepSeek-V4, ShadowPEFT)

Diffusion spec 3x; Meta OMT-LLaMA; SGS 7B>671B; Signpost/Hier mem/RoundPipe/DORA/LenVM/LeCun JEPA; MSA 100M mem; efficient-transformers LVLM mem issues. New: Flow map language models (FMLM) outperform discrete diffusion in few-step generation; adversarial flow distillation for video. Non-AR boosts accelerate.