\begin{table}[p]
\centering\scriptsize
\begin{threeparttable}
\caption{Ablation (logistic, $N = 196,608$): RMS of $\sqrt N\,\lVert\tilde\theta - \widehat\theta_N\rVert$ by split pattern, order $r$, Newton rounds $q$ and curvature used (exact / stale averaged local / single machine); quantized exact curvature with $b$ mantissa bits for $q = 1$.}\label{tab:abl_logistic}
\begin{tabular}{@{}llrr@{}}
\toprule
Pattern & curvature & $q$ & $m = 96$ \\
\midrule
(1) & exact & 0 & 57.950 \\
(1) & exact & 1 & 3.417 \\
(1) & exact & 2 & 0.011 \\
(1) & exact & 3 & 1.24e-7 \\
(1) & stale & 1 & 1.302 \\
(1) & stale & 2 & 0.109 \\
(1) & stale & 3 & 0.009 \\
(1) & single & 1 & 17.275 \\
(1) & single & 2 & 11.674 \\
(1) & single & 3 & 10.562 \\
(1,2) & exact & 0 & 426.941 \\
(1,2) & exact & 1 & 2316.233 \\
(1,2) & exact & 2 & 9.35e+5 \\
(1,2) & exact & 3 & 1.61e+14 \\
(1,2) & stale & 1 & 139.167 \\
(1,2) & stale & 2 & 33.349 \\
(1,2) & stale & 3 & 3.160 \\
(1,2) & single & 1 & 2485.332 \\
(1,2) & single & 2 & 2.99e+6 \\
(1,2) & single & 3 & 5.18e+38 \\
(1,3) & exact & 0 & 4391.045 \\
(1,3) & exact & 1 & 3.31e+5 \\
(1,3) & exact & 2 & 5.73e+11 \\
(1,3) & exact & 3 & 7.08e+109 \\
(1,2,4) & exact & 0 & 4.32e+4 \\
(1,2,4) & exact & 1 & 6.04e+9 \\
(1,2,4) & exact & 2 & 4.29e+16 \\
(1,2,4) & exact & 3 & 4.32e+16 \\
(1,2,4) & stale & 1 & 4.30e+4 \\
(1,2,4) & stale & 2 & 4.27e+4 \\
(1,2,4) & stale & 3 & 4.25e+4 \\
(1,2,4) & single & 1 & 3.48e+26 \\
(1,2,4) & single & 2 & 5.80e+97 \\
(1,2,4) & single & 3 & 5.83e+97 \\
(1,2,3) & exact & 0 & 8352.835 \\
(1,2,3) & exact & 1 & 1.02e+6 \\
(1,2,3) & exact & 2 & 4.99e+13 \\
(1,2,3) & exact & 3 & 3.80e+106 \\
(1,2,4,8) & exact & 0 & 8.62e+4 \\
(1,2,4,8) & exact & 1 & 5.25e+10 \\
(1,2,4,8) & exact & 2 & 1.96e+24 \\
(1,2,4,8) & exact & 3 & 1.96e+24 \\
(1,2,3,4) & exact & 0 & 1.25e+5 \\
(1,2,3,4) & exact & 1 & 2.92e+11 \\
(1,2,3,4) & exact & 2 & 3.69e+23 \\
(1,2,3,4) & exact & 3 & 1.83e+89 \\
\midrule
(1) & $b$-bit Hessian, $b=2$ & 1 & 3.384 \\
(1) & $b$-bit Hessian, $b=3$ & 1 & 3.532 \\
(1) & $b$-bit Hessian, $b=4$ & 1 & 3.429 \\
(1) & $b$-bit Hessian, $b=6$ & 1 & 3.504 \\
(1) & $b$-bit Hessian, $b=8$ & 1 & 3.419 \\
(1) & $b$-bit Hessian, $b=12$ & 1 & 3.417 \\
(1) & $b$-bit Hessian, $b=16$ & 1 & 3.417 \\
(1) & $b$-bit Hessian, $b=24$ & 1 & 3.417 \\
(1) & $b$-bit Hessian, $b=52$ & 1 & 3.417 \\
(1) & $b$-bit score, $b=2$ & 1 & 4.460 \\
(1) & $b$-bit score, $b=3$ & 1 & 4.101 \\
(1) & $b$-bit score, $b=4$ & 1 & 3.687 \\
(1) & $b$-bit score, $b=6$ & 1 & 3.406 \\
(1) & $b$-bit score, $b=8$ & 1 & 3.421 \\
(1) & $b$-bit score, $b=12$ & 1 & 3.418 \\
(1) & $b$-bit score, $b=16$ & 1 & 3.417 \\
(1) & $b$-bit score, $b=24$ & 1 & 3.417 \\
(1) & $b$-bit score, $b=52$ & 1 & 3.417 \\
(1) & $b$-bit both, $b=2$ & 1 & 4.755 \\
(1) & $b$-bit both, $b=3$ & 1 & 4.303 \\
(1) & $b$-bit both, $b=4$ & 1 & 3.667 \\
(1) & $b$-bit both, $b=6$ & 1 & 3.489 \\
(1) & $b$-bit both, $b=8$ & 1 & 3.423 \\
(1) & $b$-bit both, $b=12$ & 1 & 3.418 \\
(1) & $b$-bit both, $b=16$ & 1 & 3.417 \\
(1) & $b$-bit both, $b=24$ & 1 & 3.417 \\
(1) & $b$-bit both, $b=52$ & 1 & 3.417 \\
(1,2) & $b$-bit Hessian, $b=2$ & 1 & 2721.153 \\
(1,2) & $b$-bit Hessian, $b=3$ & 1 & 2622.352 \\
(1,2) & $b$-bit Hessian, $b=4$ & 1 & 2278.291 \\
(1,2) & $b$-bit Hessian, $b=6$ & 1 & 2394.384 \\
(1,2) & $b$-bit Hessian, $b=8$ & 1 & 2305.622 \\
(1,2) & $b$-bit Hessian, $b=12$ & 1 & 2317.290 \\
(1,2) & $b$-bit Hessian, $b=16$ & 1 & 2316.103 \\
(1,2) & $b$-bit Hessian, $b=24$ & 1 & 2316.233 \\
(1,2) & $b$-bit Hessian, $b=52$ & 1 & 2316.233 \\
(1,2) & $b$-bit score, $b=2$ & 1 & 2443.159 \\
(1,2) & $b$-bit score, $b=3$ & 1 & 2241.467 \\
(1,2) & $b$-bit score, $b=4$ & 1 & 2359.819 \\
(1,2) & $b$-bit score, $b=6$ & 1 & 2305.944 \\
(1,2) & $b$-bit score, $b=8$ & 1 & 2316.935 \\
(1,2) & $b$-bit score, $b=12$ & 1 & 2316.057 \\
(1,2) & $b$-bit score, $b=16$ & 1 & 2316.229 \\
(1,2) & $b$-bit score, $b=24$ & 1 & 2316.233 \\
(1,2) & $b$-bit score, $b=52$ & 1 & 2316.233 \\
(1,2) & $b$-bit both, $b=2$ & 1 & 2852.513 \\
(1,2) & $b$-bit both, $b=3$ & 1 & 2537.858 \\
(1,2) & $b$-bit both, $b=4$ & 1 & 2321.353 \\
(1,2) & $b$-bit both, $b=6$ & 1 & 2383.708 \\
(1,2) & $b$-bit both, $b=8$ & 1 & 2306.320 \\
(1,2) & $b$-bit both, $b=12$ & 1 & 2317.114 \\
(1,2) & $b$-bit both, $b=16$ & 1 & 2316.099 \\
(1,2) & $b$-bit both, $b=24$ & 1 & 2316.233 \\
(1,2) & $b$-bit both, $b=52$ & 1 & 2316.233 \\
(1,2,4) & $b$-bit Hessian, $b=2$ & 1 & 1.22e+7 \\
(1,2,4) & $b$-bit Hessian, $b=3$ & 1 & 4.70e+6 \\
(1,2,4) & $b$-bit Hessian, $b=4$ & 1 & 6.75e+7 \\
(1,2,4) & $b$-bit Hessian, $b=6$ & 1 & 1.63e+7 \\
(1,2,4) & $b$-bit Hessian, $b=8$ & 1 & 3.20e+7 \\
(1,2,4) & $b$-bit Hessian, $b=12$ & 1 & 9.10e+8 \\
(1,2,4) & $b$-bit Hessian, $b=16$ & 1 & 7.52e+9 \\
(1,2,4) & $b$-bit Hessian, $b=24$ & 1 & 6.03e+9 \\
(1,2,4) & $b$-bit Hessian, $b=52$ & 1 & 6.04e+9 \\
(1,2,4) & $b$-bit score, $b=2$ & 1 & 5.76e+9 \\
(1,2,4) & $b$-bit score, $b=3$ & 1 & 5.92e+9 \\
(1,2,4) & $b$-bit score, $b=4$ & 1 & 5.92e+9 \\
(1,2,4) & $b$-bit score, $b=6$ & 1 & 6.06e+9 \\
(1,2,4) & $b$-bit score, $b=8$ & 1 & 6.03e+9 \\
(1,2,4) & $b$-bit score, $b=12$ & 1 & 6.04e+9 \\
(1,2,4) & $b$-bit score, $b=16$ & 1 & 6.04e+9 \\
(1,2,4) & $b$-bit score, $b=24$ & 1 & 6.04e+9 \\
(1,2,4) & $b$-bit score, $b=52$ & 1 & 6.04e+9 \\
(1,2,4) & $b$-bit both, $b=2$ & 1 & 1.20e+7 \\
(1,2,4) & $b$-bit both, $b=3$ & 1 & 4.69e+6 \\
(1,2,4) & $b$-bit both, $b=4$ & 1 & 6.79e+7 \\
(1,2,4) & $b$-bit both, $b=6$ & 1 & 1.63e+7 \\
(1,2,4) & $b$-bit both, $b=8$ & 1 & 3.20e+7 \\
(1,2,4) & $b$-bit both, $b=12$ & 1 & 9.10e+8 \\
(1,2,4) & $b$-bit both, $b=16$ & 1 & 7.52e+9 \\
(1,2,4) & $b$-bit both, $b=24$ & 1 & 6.03e+9 \\
(1,2,4) & $b$-bit both, $b=52$ & 1 & 6.04e+9 \\
\bottomrule
\end{tabular}
\begin{tablenotes}\footnotesize
\item 80 paired replications per column; $K = N/m$. Rows are omitted when the pattern does not divide $m$. Source: \texttt{results/processed/ablation\_logistic\_summary.csv}.
\end{tablenotes}
\end{threeparttable}
\end{table}