\begin{tabular}{|r|c|ccc|ccc|}
\hline
           &        & \multicolumn{3}{c|}{X10 C++ backend}                   &
\multicolumn{3}{c|}{X10 Java backend}                  \\ \hline
Benchmark  & Matlab & Simple arrays & Region arrays & Sp. region arrays &
Simple arrays & Region arrays & Sp. region arrays \\ \hline
bbai           & 1.0     & 4.9                    & 2.7                     & 2.7                             & 11.3                         & 6.4                      & 6.6                              \\
bubl           & 1.0     & 15.8                   & 11.4                    & 11.6                            & 7.5                          & 3.6                      & 3.7                              \\
capr           & 1.0     & 13.5                   & 11.6                    & 12.4                            & 11.1                         & 0.02                        & 10.5                             \\
clos           & 1.0     & 0.03                   & 0.01                    & 0.01                               & 0.02                         & 0.01                     & 0.01                             \\
crni           & 1.0     & 6.5                    & 3.6                     & 3.9                             & 5.6                          & 4                        & 4.1                              \\
dich           & 1.0     & 7.6                    & 6.7                     & 7.0                               & 7.0                            & 0.01                        & 0.02                                \\
diff           & 1.0     & 4.6                    & 4.2                     & 4.3                             & 0.3                          & 0.3                      & 0.3                              \\
edit           & 1.0     & 29.7                   & 4.3                     & 3.6                             & 22.1                         & 9.4                      & 9.4                              \\
fiff           & 1.0     & 9.8                    & 2.0                       & 2.8                             & 2.1                          & 1.4                      & 1.4                              \\
lgdr           & 1.0     & 13.5                   & 1.6                     & 1.5                             & 10.6                         & 5.4                      & 5.4                              \\
mbrt           & 1.0     & 6.5                    & 6.3                     & 6.5                             & 0.3                          & 5.1                      & 5.1                              \\
nb1d           & 1.0     & 6.2                    & 0.3                     & 0.3                             & 5.5                          & 1.4                      & 1.4                              \\
matmul         & 1.0     & 14.7                   & 1.3                     & 1.4                             & 1.1                          & 0.5                      & 0.5                              \\
mcpi           & 1.0     & 3.3                    & 2.8                     & 2.7                             & 2.9                          & 3.0                        & 3.0                                \\
numprime       & 1.0     & 7.6                    & 5.7                     & 5.7                             & 6.5                          & 6.3                      & 6.3                              \\
optstop        & 1.0     & 1.5                    & 0.4                     & 0.4                             & 1.8                          & 1.2                      & 1.3                              \\
quadrature     & 1.0     & 200.9                  & 200.9                   & 200.9                           & 167.4                        & 143.5                    & 154.5                            \\ \hline
Geometric mean & 1.0     & 6.8                    & 2.7                     & 2.8                             & 3.4                          & 1.3                      & 1.9  
\\ \hline                           
\end{tabular}
