+\documentclass[a4paper]{article}
+
+\usepackage[T1]{fontenc}
+\usepackage[utf8]{inputenc}
+\usepackage{lmodern}
+\usepackage[margin=1.5cm]{geometry}
+\usepackage{graphicx}
+\usepackage[francais]{babel}
+
+%%% workaround warnings about PDF 1.5 not supported
+\pdfminorversion 5
+
+\AtBeginDocument{\shorthandoff{:}}
+
+\newcommand{\IG}[1]{%
+ \includegraphics[width=6cm]{#1}}
+
+\begin{document}
+
+\begin{figure}
+ \centering
+ \IG{graphs/R1-10:1-cluster-line.pdf}%
+ \IG{graphs/R1-10:1-cluster-torus.pdf}%
+ \IG{graphs/R1-10:1-cluster-hcube.pdf}%
+
+ \IG{graphs/R1-10:1-grid-line.pdf}%
+ \IG{graphs/R1-10:1-grid-torus.pdf}%
+ \IG{graphs/R1-10:1-grid-hcube.pdf}%
+
+ \IG{graphs/RN-10:1-cluster-line.pdf}%
+ \IG{graphs/RN-10:1-cluster-torus.pdf}%
+ \IG{graphs/RN-10:1-cluster-hcube.pdf}%
+
+ \IG{graphs/RN-10:1-grid-line.pdf}%
+ \IG{graphs/RN-10:1-grid-torus.pdf}%
+ \IG{graphs/RN-10:1-grid-hcube.pdf}%
+
+ \caption{Real mode, comp/comm ratio${} = 10:1$.}
+\end{figure}
+\clearpage
+
+\begin{figure}
+ \centering
+ \IG{graphs/R1-1:1-cluster-line.pdf}%
+ \IG{graphs/R1-1:1-cluster-torus.pdf}%
+ \IG{graphs/R1-1:1-cluster-hcube.pdf}%
+
+ \IG{graphs/R1-1:1-grid-line.pdf}%
+ \IG{graphs/R1-1:1-grid-torus.pdf}%
+ \IG{graphs/R1-1:1-grid-hcube.pdf}%
+
+ \IG{graphs/RN-1:1-cluster-line.pdf}%
+ \IG{graphs/RN-1:1-cluster-torus.pdf}%
+ \IG{graphs/RN-1:1-cluster-hcube.pdf}%
+
+ \IG{graphs/RN-1:1-grid-line.pdf}%
+ \IG{graphs/RN-1:1-grid-torus.pdf}%
+ \IG{graphs/RN-1:1-grid-hcube.pdf}%
+
+ \caption{Real mode, comp/comm ratio${} = 1:1$.}
+\end{figure}
+\clearpage
+
+\begin{figure}
+ \centering
+ \IG{graphs/R1-1:10-cluster-line.pdf}%
+ \IG{graphs/R1-1:10-cluster-torus.pdf}%
+ \IG{graphs/R1-1:10-cluster-hcube.pdf}%
+
+ \IG{graphs/R1-1:10-grid-line.pdf}%
+ \IG{graphs/R1-1:10-grid-torus.pdf}%
+ \IG{graphs/R1-1:10-grid-hcube.pdf}%
+
+ \IG{graphs/RN-1:10-cluster-line.pdf}%
+ \IG{graphs/RN-1:10-cluster-torus.pdf}%
+ \IG{graphs/RN-1:10-cluster-hcube.pdf}%
+
+ \IG{graphs/RN-1:10-grid-line.pdf}%
+ \IG{graphs/RN-1:10-grid-torus.pdf}%
+ \IG{graphs/RN-1:10-grid-hcube.pdf}%
+
+ \caption{Real mode, comp/comm ratio${} = 1:10$.}
+\end{figure}
+\clearpage
+
+\begin{figure}
+ \centering
+ \IG{graphs/I1-10:1-cluster-line.pdf}%
+ \IG{graphs/I1-10:1-cluster-torus.pdf}%
+ \IG{graphs/I1-10:1-cluster-hcube.pdf}%
+
+ \IG{graphs/I1-10:1-grid-line.pdf}%
+ \IG{graphs/I1-10:1-grid-torus.pdf}%
+ \IG{graphs/I1-10:1-grid-hcube.pdf}%
+
+ \IG{graphs/IN-10:1-cluster-line.pdf}%
+ \IG{graphs/IN-10:1-cluster-torus.pdf}%
+ \IG{graphs/IN-10:1-cluster-hcube.pdf}%
+
+ \IG{graphs/IN-10:1-grid-line.pdf}%
+ \IG{graphs/IN-10:1-grid-torus.pdf}%
+ \IG{graphs/IN-10:1-grid-hcube.pdf}%
+
+ \caption{Integer mode, comp/comm ratio${} = 10:1$.}
+\end{figure}
+\clearpage
+
+\begin{figure}
+ \centering
+ \IG{graphs/I1-1:1-cluster-line.pdf}%
+ \IG{graphs/I1-1:1-cluster-torus.pdf}%
+ \IG{graphs/I1-1:1-cluster-hcube.pdf}%
+
+ \IG{graphs/I1-1:1-grid-line.pdf}%
+ \IG{graphs/I1-1:1-grid-torus.pdf}%
+ \IG{graphs/I1-1:1-grid-hcube.pdf}%
+
+ \IG{graphs/IN-1:1-cluster-line.pdf}%
+ \IG{graphs/IN-1:1-cluster-torus.pdf}%
+ \IG{graphs/IN-1:1-cluster-hcube.pdf}%
+
+ \IG{graphs/IN-1:1-grid-line.pdf}%
+ \IG{graphs/IN-1:1-grid-torus.pdf}%
+ \IG{graphs/IN-1:1-grid-hcube.pdf}%
+
+ \caption{Integer mode, comp/comm ratio${} = 1:1$.}
+\end{figure}
+\clearpage
+
+\begin{figure}
+ \centering
+ \IG{graphs/I1-1:10-cluster-line.pdf}%
+ \IG{graphs/I1-1:10-cluster-torus.pdf}%
+ \IG{graphs/I1-1:10-cluster-hcube.pdf}%
+
+ \IG{graphs/I1-1:10-grid-line.pdf}%
+ \IG{graphs/I1-1:10-grid-torus.pdf}%
+ \IG{graphs/I1-1:10-grid-hcube.pdf}%
+
+ \IG{graphs/IN-1:10-cluster-line.pdf}%
+ \IG{graphs/IN-1:10-cluster-torus.pdf}%
+ \IG{graphs/IN-1:10-cluster-hcube.pdf}%
+
+ \IG{graphs/IN-1:10-grid-line.pdf}%
+ \IG{graphs/IN-1:10-grid-torus.pdf}%
+ \IG{graphs/IN-1:10-grid-hcube.pdf}%
+
+ \caption{Integer mode, comp/comm ratio${} = 1:10$.}
+\end{figure}
+\clearpage
+
+\end{document}