latex
\begin{table*}
\caption{Acceleration}
\label{tab_acceleration}
\begin{tabular}{cccc}
\toprule
Computation Backend & Hardware Platform & Time Per Step & Acceleration Factor\\
\midrule
CPU & Intel Xeon Gold 5218R, 2x20 Cores, 80 Threads & 2.06 & - \\
CPU & AMD EPYC 7713, 2x Cores, 256 Threads & 0.440 & 4.68 \\
Vulkan & Nvidia GeForce RTX 3090 & 0.111 & 18.6 \\
CUDA & Nvidia GeForce RTX 3090 & 0.0477 & 43.2 \\
Vulkan & Nvidia A100 Tensor Core GPU & 0.101 & 20.4\\
CUDA & Nvidia A100 Tensor Core GPU & 0.0401 & 51.4\\
\bottomrule
\end{tabular}
\end{table*}
效果：
使用AdjustBox
\usepackage{adjustbox}
有效解决超出页边距的问题
\begin{table*}
\centering
\caption*{Table 1: Configurations}
\label{tab_acceleration}
\begin{adjustbox}{width=\textwidth,center}
\begin{tabular}{cccc}
\toprule
Model & Learning rate & Num-layers & Embedding/Hidden-dim \\
\midrule
LSTM-LM & 0.001 & 3 & 256/512 \\
LSTM-Seq2Seq & 0.001 & 3 & 256 \\
Transformer-LM & 0.001 & 3 & 256 \\
Transformer-Seq2Seq & 0.001 & 3 & 256 \\
\bottomrule
\end{tabular}
\end{adjustbox}
\end{table*}