How can I align two tables up and down?

Question

I have two tables, and I want to put them in the same row in a two-column mode. But when I use the code below, none of them are aligned, and a table cannot be displayed completely. What should I do? Thank you!

   \begin{table*}[t]
        \begin{minipage}[t]{0.4\linewidth}
            \begin{center}
                \begin{tabular}[t]{|c|c|c|}
                    \hline
                    data load nums  & W        & L       \\ \hline
                    p1 (k/ms) & $3.000*10^8$  &$3.000*10^8$  \\ \hline
                    p2 (k/ms)  &$3.000*10^8$  & $3.000*10^8$   \\ \hline
                    p3 (k/ms) & $3.000*10^8$ & $3.000*10^8$ \\ \hline
                    Total (k/ms) & $3.000*10^8$  &$3.000*10^8$  \\ \hline
                \end{tabular}
                \caption{Process.}
                \label{table:formatting}
            \end{center}
        \end{minipage}\hfill
        \begin{minipage}[t]{0.6\linewidth}
            \begin{center}
                \begin{tabular}[t]{|c|c|c|c|c|c|c|}
                    \hline
                    & \textbf{\begin{tabular}[c]{@{}c@{}}p1 TB\\ Alg.1\end{tabular}} & \textbf{\begin{tabular}[c]{@{}c@{}}sender \& pcc \\ Alg.1\end{tabular}} & \textbf{\begin{tabular}[c]{@{}c@{}}sender only \\ Alg.1\end{tabular}} & \textbf{\begin{tabular}[c]{@{}c@{}}p2 TB\\ Alg.2\end{tabular}} & \textbf{\begin{tabular}[c]{@{}c@{}}sender \& pcc \\ Alg.2\end{tabular}} & \textbf{\begin{tabular}[c]{@{}c@{}}sender only \\ Alg.2\end{tabular}} \\ \hline
                    \textbf{L1D} & 0.041\%                                                        & 0.111\%                                                                 & 0.111\%                                                             & 0.111\%                                                     & 0.111\%                                                            & 0.111\%                                                      \\ \hline
                    \textbf{L2}  & 3.586\%                                                        & 0.111\%                                                       & 0.111\%                                                        & 0.111\%                                               & 0.111\%                                                           & 0.111\%                                                     \\ \hline
                    \textbf{LLC} & 34.379\%                                                       & 0.111\%                                                          & 0.111\%                                                        & 0.111\%                                           & 0.111\%                                                             & 0.111\%                                                      \\ \hline
                \end{tabular}
                \caption{ Algorithm 1.}
                \label{table:formatting}
            \end{center}
        \end{minipage}%
    \end{table*}

Please make your code compilable by adding the documentclass as well as the relevant packages. See also: minimal working example (MWE) The right table is running onto the margin since it is wider than the 0.6\textwidth wide minipage you placed it inside of. — leandriis, Mar 14 '21 at 15:32
You can make your tables narrower by placing repeated information such as units in the column headers and by allowing more linebreaks in the column headers. My table doesn't fit; what are my options? contains some more useful tricks in order to make sure a table fits into the available space. — leandriis, Mar 14 '21 at 15:32

leandriis · Answer 1 · 2021-05-12T08:58:27.867

Since documentclass, margins and font sizes are unknow, the following three suggestions are based on assumptions:

\documentclass[10pt,twocolumn]{article}
\usepackage{makecell}
\usepackage{booktabs}
\usepackage{siunitx}
\usepackage{lipsum} % Just for dummy text. Do not use in actual document.
\begin{document}
\lipsum
\begin{table}
\centering
                \begin{tabular}[t]{|c|c|c|c|c|c|c|}
                    \hline
                    & \textbf{\begin{tabular}[c]{@{}c@{}}p1 TB\ Alg.1\end{tabular}} & \textbf{\begin{tabular}[c]{@{}c@{}}sender &amp; pcc \ Alg.1\end{tabular}} & \textbf{\begin{tabular}[c]{@{}c@{}}sender only \ Alg.1\end{tabular}} & \textbf{\begin{tabular}[c]{@{}c@{}}p2 TB\ Alg.2\end{tabular}} & \textbf{\begin{tabular}[c]{@{}c@{}}sender &amp; pcc \ Alg.2\end{tabular}} & \textbf{\begin{tabular}[c]{@{}c@{}}sender only \ Alg.2\end{tabular}} \ \hline
                    \textbf{L1D} & 0.041%                                                        & 0.111%                                                                 & 0.111%                                                             & 0.111%                                                     & 0.111%                                                            & 0.111%                                                      \ \hline
                    \textbf{L2}  & 3.586%                                                        & 0.111%                                                       & 0.111%                                                        & 0.111%                                               & 0.111%                                                           & 0.111%                                                     \ \hline
                    \textbf{LLC} & 34.379%                                                       & 0.111%                                                          & 0.111%                                                        & 0.111%                                           & 0.111%                                                             & 0.111%                                                      \ \hline
                \end{tabular}
                \caption{ Algorithm 1.}
                \label{table:formatting}
\end{table}
\begin{table}
\centering
                \begin{tabular}[t]{|c|c|c|}
                    \hline
                    data load nums  & W        & L       \ \hline
                    p1 (k/ms) & $3.00010^8$  &$3.00010^8$  \ \hline
                    p2 (k/ms)  &$3.00010^8$  & $3.00010^8$   \ \hline
                    p3 (k/ms) & $3.00010^8$ & $3.00010^8$ \ \hline
                    Total (k/ms) & $3.00010^8$  &$3.00010^8$  \ \hline
                \end{tabular}
                \caption{Process.}
                \label{table:formatting}
\end{table}
\lipsum
\begin{table}[t]
        \begin{minipage}[t]{0.35\linewidth}
            \centering
            \caption{Process.}
            \label{table:formatting}
                \begin{tabular}[t]{c{2}{S[table-format=1.2]}}
                    \toprule
                    \thead{data load\ nums\ (\si{k\per\milli\second})}  & {\thead{W $\cdot 10^8$}}       & {\thead{L $\cdot 10^8$}}       \ \midrule
                    p1    & 3.00 & 3.00 \ 
                    p2    & 3.00 & 3.00 \ 
                    p3    & 3.00 & 3.00 \ 
                    Total & 3.00 & 3.00 \ \bottomrule
                \end{tabular}
        \end{minipage}\hfill
        \begin{minipage}[t]{0.65\linewidth}
            \centering
            \caption{ Algorithm 1.}
            \label{table:formatting}
                \begin{tabular}[t]{lS[table-format=2.3]{5}{S[table-format=1.3]}}
                    \toprule
                    & \multicolumn{3}{c}{Alg.1} & \multicolumn{3}{c}{Alg.2}\
                    \cmidrule(r){2-4} \cmidrule(l){5-7}
                    & {\thead{p1 TB\ (%)}} 
                      & {\thead{sender \ &amp; pcc  (%)}} 
                        & {\thead{sender \ only  (%)}}

                          & {\thead{p1 TB\ (%)}} 
                            & {\thead{sender \ &amp; pcc  (%)}} 
                              & {\thead{sender \ only  (%)}}\
                   \midrule
                    L1D & 0.041  & 0.111 & 0.111 & 0.111 & 0.111 & 0.111 \ 
                    L2  & 3.586  & 0.111 & 0.111 & 0.111 & 0.111 & 0.111 \ 
                    LLC & 34.379 & 0.111 & 0.111 & 0.111 & 0.111 & 0.111 \ 
                    \bottomrule
                \end{tabular}
        \end{minipage}%
    \end{table}
\lipsum
\lipsum 



\begin{table}
            \centering
            \caption{ Algorithm 1.}
            \label{table:formatting}
                \begin{tabular}[t]{lS[table-format=2.3]{5}{S[table-format=1.3]}}
                    \toprule
                    & \multicolumn{3}{c}{Alg.1} & \multicolumn{3}{c}{Alg.2}\
                    \cmidrule(r){2-4} \cmidrule(l){5-7}
                    & {\thead{p1 TB (%)}} 
                      & {\thead{sender  &amp; pcc  (%)}} 
                        & {\thead{sender  only  (%)}}

                          & {\thead{p1 TB (%)}} 
                            & {\thead{sender  &amp; pcc  (%)}} 
                              & {\thead{sender  only  (%)}}\
                   \midrule
                    L1D & 0.041  & 0.111 & 0.111 & 0.111 & 0.111 & 0.111 \ 
                    L2  & 3.586  & 0.111 & 0.111 & 0.111 & 0.111 & 0.111 \ 
                    LLC & 34.379 & 0.111 & 0.111 & 0.111 & 0.111 & 0.111 \ 
                    \bottomrule
                \end{tabular}
\end{table*}
\begin{table}
\centering
                \caption{Process.}
                \label{table:formatting}
                \begin{tabular}[t]{c*{2}{S[table-format=1.2]}}
                    \toprule
                    \thead{data load nums\ (\si{k\per\milli\second})}  & {\thead{W $\cdot 10^8$}}       & {\thead{L $\cdot 10^8$}}       \ \midrule
                    p1    & 3.00 & 3.00 \ 
                    p2    & 3.00 & 3.00 \ 
                    p3    & 3.00 & 3.00 \ 
                    Total & 3.00 & 3.00 \ \bottomrule
                \end{tabular}
\end{table}
\lipsum
\end{document}

score 1 · Answer 2 · answered Mar 14 '21 at 17:58

A possibility with floatrow and makecell(and caption to have a decent spacing between caption and table):

\documentclass{article}
\usepackage[showframe]{geometry} 
\usepackage{caption} 
\usepackage{makecell}
\renewcommand{\theadfont}{\small\bfseries}
\usepackage[valign=t,heightadjust=all]{floatrow}
\begin{document}
\begin{table}
\centering\setlength{\tabcolsep}{3pt}
    \begin{floatrow}[2]
      \ttabbox[\FBwidth]{\caption{Process.}%
                \label{table:formatting}
        }{ \begin{tabular}[t]{|c|c|c|}
                    \hline
                    \makecell{data load\ nums} & W & L \ \hline
                    \makecell{p1\ (k/ms)} & $3.00010^8$ &$3.00010^8$ \ \hline
                    \makecell{p2\ (k/ms)} &$3.00010^8$ & $3.00010^8$ \ \hline
                    \makecell{p3 \(k/ms)} & $3.00010^8$ & $3.00010^8$ \ \hline
                    \makecell{Total \(k/ms)} & $3.00010^8$ &$3.00010^8$ \ \hline
                \end{tabular}}
      \ttabbox[\FBwidth]{\caption{ Algorithm 1.}
                \label{table:formatting1}}%
        {\begin{tabular}[t]{|c|c|c|c|c|c|c|}
                    \hline
                    & \thead{p1 TB\ Alg.1 \(%)} & \thead{sender\ &amp; pcc \ Alg.1 \(%)} & \thead{sender\ only \ Alg.1\ (%)} & \thead{p2 TB\ Alg.2\ (%)} & \thead{sender \&amp; pcc \ Alg.2\ (%)} & \thead{sender\ only \ Alg.2\ (%)} \ \hline
                    \thead{L1D} & 0.041 & 0.111 & 0.111 & 0.111 & 0.111 & 0.111 \ \hline
                    \thead{L2} & 3.586 & 0.111 & 0.111 & 0.111 & 0.111 & 0.111 \ \hline
                    \thead{LLC} & 34.379 & 0.111 & 0.111 & 0.111 & 0.111 & 0.111 \ \hline
                \end{tabular}}
    \end{floatrow}
\end{table}
\end{document}

How can I align two tables up and down?

2 Answers2