\chapterauthor{Stan Scott}{School of Electronics, Electrical Engineering \& Computer Science,
The Queen's University of Belfast}
-\newcommand{\fixme}[1]{{\bf #1}}
+%\newcommand{\fixme}[1]{{\bf #1}}
\chapter[Numerical validation and performance optimization on GPUs in atomic physics]{Numerical validation and performance optimization on GPUs of an application in atomic physics}
\label{chapter15}
the output $R$-matrix becomes the input $R$-matrix
for the next evaluation.
+%% \begin{algorithm}
+%% \caption{\label{prop-algo}PROP algorithm}
+%% \begin{algorithmic}
+%% \FOR{all scattering energies}
+%% \FOR{all sectors}
+%% \STATE Read amplitude arrays
+%% \STATE Read correction data
+%% \STATE Construct local $R$-matrices
+%% \STATE From $\Re^{I}$ and local $R$-matrices, compute $\Re^{O}$
+%% \STATE $\Re^{O}$ becomes $\Re^{I}$ for the next sector
+%% \ENDFOR
+%% \STATE Compute physical $R$-Matrix
+%% \ENDFOR
+%% \end{algorithmic}
+%% \end{algorithm}
+
\begin{algorithm}
\caption{\label{prop-algo}PROP algorithm}
-\begin{algorithmic}
-\FOR{all scattering energies}
- \FOR{all sectors}
- \STATE Read amplitude arrays
- \STATE Read correction data
-\STATE Construct local $R$-matrices
-\STATE From $\Re^{I}$ and local $R$-matrices, compute $\Re^{O}$
-\STATE $\Re^{O}$ becomes $\Re^{I}$ for the next sector
- \ENDFOR
- \STATE Compute physical $R$-Matrix
-\ENDFOR
-\end{algorithmic}
+%\begin{algorithmic}
+\For{all scattering energies} {
+ \For{all sectors}{
+ Read amplitude arrays\;
+ Read correction data\;
+ Construct local $R$-matrices\;
+ From $\Re^{I}$ and local $R$-matrices, compute $\Re^{O}$\;
+ $\Re^{O}$ becomes $\Re^{I}$ for the next sector\;
+ }
+ Compute physical $R$-Matrix \;
+}
+%\end{algorithmic}
\end{algorithm}
\section{Performance results}
\subsection{PROP deployment on GPU}
-\begin{table*}[ht]
+\begin{table}[ht]
\begin{center}
\begin{tabular}{|c||c|c||}
\hline
GPU V5 (\S~\ref{gpuv5}) & 24m27s & 12m39s \\
\hline
\end{tabular}
-\caption{\label{table:time}
-Execution time of PROP on CPU and GPU}
\end{center}
-\end{table*}
+\caption{Execution time of PROP on CPU and GPU}
+\label{table:time}
+\end{table}
-\begin{comment}
-\begin{table*}[ht]
+
+\begin{table}[ht]
\begin{center}
\begin{tabular}{|c||c|c||}
\hline
GPU V5 (\ref{gpuv5}) & 24m27s & 12m39s \\
\hline
\end{tabular}
-\caption{\label{table:time}
-Execution time of the successive GPU versions}
\end{center}
-\end{table*}
-\end{comment}
+\caption{Execution time of the successive GPU versions}
+\label{table:time}
+\end{table}
\begin{figure}[h]
\centering