draft: Add per block MSE for NVFP4 and INT4#613

Draft

Fridah-nv wants to merge 3 commits intomainfrom

fridah/block-mse

Commits on Nov 27, 2025

tmp update for per block mse NVFP4 and INT4
Fridah-nv
committed

Commits on Dec 5, 2025

improvements: even steps for mse amax search;calibrate weight quant once; quant scale to FP8; rename static kernel
Fridah-nv
committed

Commits on Dec 10, 2025

tmp: config update for experiments
Fridah-nv
committed