1\begin{table}[t]\centering\small2\caption{Systems and controls. ``bb'' = backbone, ``6NP'' = the usual training-FLOP estimate $6\,N\,P$ for $N$ tokens3and $P$ parameters; adapter training additionally executes up to 8 editor applications per position. Adapter4parameters are unique parameters outside the backbone (counted by instantiation).}5\label{tab:controls}6\begin{tabular}{lrrlll}\toprule7System & backbone & adapter & training exposure & training compute & inference regime\\\midrule8Frozen backbone v2 (budget 0) & 4,754,688 & 182,725 & synthetic train, 5k steps x 64 & backbone only & no workspace (bitwise bypass)\\9PRISME sparse editor (tiny) & 4,754,688 & 182,725 & same + 3k adapter steps x 32 & frozen bb fwd + editor & 1-2 slots/action, 0-8 actions\\10Global-recurrence adapter (tiny) & 4,754,688 & 172,608 & same & frozen bb fwd + block & whole latent/action, 0-8 actions\\11Dense 16-slot editor (tiny) & 4,754,688 & 182,725 & same & frozen bb fwd + 16 lanes & 16 slots/action, 0-8 actions\\12PRISME-103M (editor pilot) & 99,502,848 & 2,762,757 & FineWeb-Edu 196.6M tok + 24.6M adapter tok & 6NP + editor & 1-2 slots/action\\13Global-recurrence adapter (103M) & 99,502,848 & 2,623,488 & same & 6NP + block & whole latent/action\\14Plain decoder, parameter-matched (102.2M) & 102,157,056 & 0 & FineWeb-Edu 196.6M tok (same recipe) & 6NP & no workspace\\15\bottomrule\end{tabular}\end{table}16