Bridging the Gap Between Promise and Performance for Microscaling FP4 Quantization - Egiazarian, Vage; Castro, Roberto; Kuznedelev, Denis; Panferov, Andrei; Kurtic, Eldar; Pandit, Shubhra; Marques, Alexandre; Kurtz, Mark; Ashkboos, Saleh; Hoefler, Torsten; Alistarh, Dan (International Conference on Learning Representations, 2026)