\begin{table}[t]\centering\small
\caption{103M pilot: held-out cross-entropy (nats/token) and perplexity on 327,680 FineWeb-Edu validation tokens and
on the LOCKED test split (40 $\times$ 16 $\times$ 512 tokens each) under forced random budgets. Budget 0 of the adapters
equals the backbone bitwise.}
\label{tab:pilotppl}
\begin{tabular}{lllrr}\toprule
System & split & policy & loss & ppl\\\midrule
backbone 103m & val & forced b0 & 3.8746 & 48.16\\
backbone 103m & val & forced b1 & 3.8746 & 48.16\\
backbone 103m & val & forced b2 & 3.8746 & 48.16\\
backbone 103m & val & forced b4 & 3.8746 & 48.16\\
backbone 103m & val & forced b8 & 3.8746 & 48.16\\
enlarged 102m & val & forced b0 & 3.8689 & 47.89\\
enlarged 102m & val & forced b1 & 3.8689 & 47.89\\
enlarged 102m & val & forced b2 & 3.8689 & 47.89\\
enlarged 102m & val & forced b4 & 3.8689 & 47.89\\
enlarged 102m & val & forced b8 & 3.8689 & 47.89\\
gr 103m & val & forced b0 & 3.8746 & 48.16\\
gr 103m & val & forced b1 & 3.8731 & 48.09\\
gr 103m & val & forced b2 & 3.8722 & 48.05\\
gr 103m & val & forced b4 & 3.8714 & 48.01\\
gr 103m & val & forced b8 & 3.8718 & 48.03\\
prisme 103m editor & val & forced b0 & 3.8746 & 48.16\\
prisme 103m editor & val & forced b1 & 3.8731 & 48.09\\
prisme 103m editor & val & forced b2 & 3.8722 & 48.05\\
prisme 103m editor & val & forced b4 & 3.8714 & 48.01\\
prisme 103m editor & val & forced b8 & 3.8718 & 48.03\\
backbone 103m & test & forced b0 & 3.8226 & 45.72\\
backbone 103m & test & forced b1 & 3.8226 & 45.72\\
backbone 103m & test & forced b2 & 3.8226 & 45.72\\
backbone 103m & test & forced b4 & 3.8226 & 45.72\\
backbone 103m & test & forced b8 & 3.8226 & 45.72\\
gr 103m & test & forced b0 & 3.8226 & 45.72\\
gr 103m & test & forced b1 & 3.8211 & 45.66\\
gr 103m & test & forced b2 & 3.8203 & 45.62\\
gr 103m & test & forced b4 & 3.8195 & 45.58\\
gr 103m & test & forced b8 & 3.8201 & 45.61\\
prisme 103m editor & test & forced b0 & 3.8226 & 45.72\\
prisme 103m editor & test & forced b1 & 3.8211 & 45.66\\
prisme 103m editor & test & forced b2 & 3.8202 & 45.61\\
prisme 103m editor & test & forced b4 & 3.8195 & 45.58\\
prisme 103m editor & test & forced b8 & 3.8200 & 45.60\\
enlarged 102m & test & forced b0 & 3.8207 & 45.64\\
enlarged 102m & test & forced b1 & 3.8207 & 45.64\\
enlarged 102m & test & forced b2 & 3.8207 & 45.64\\
enlarged 102m & test & forced b4 & 3.8207 & 45.64\\
enlarged 102m & test & forced b8 & 3.8207 & 45.64\\
\bottomrule\end{tabular}\end{table}