% This file was created by matlab2tikz v0.2.2.
% Copyright (c) 2008--2012, Nico Schlömer <nico.schloemer@gmail.com>
% All rights reserved.
% 
% The latest updates can be retrieved from
%   http://www.mathworks.com/matlabcentral/fileexchange/22022-matlab2tikz
% where you can also make suggestions and rate matlab2tikz.
% 
% 
% 
\begin{tikzpicture}

\begin{axis}[%
view={0}{90},
width=\figurewidth,
height=\figureheight,
scale only axis,
xmin=2, xmax=8,
xlabel={R},
xmajorgrids,
ymin=0, ymax=0.7,
ylabel={Efficiency},
ymajorgrids,
legend pos=outer north east]
\addplot [
color=darkgray!40!black,
dotted,
line width=1.0pt,
mark=*,
mark options={solid,fill=lightgray!80!black}
]
coordinates{
 (2,0.336170861542901)(4,0.449617956502816)(6,0.51002798028503)(8,0.563995930474304) 
};
\addlegendentry{\tiny 2 GPUs};

\addplot [
color=darkgray!40!black,
dotted,
line width=1.0pt,
mark=diamond*,
mark options={solid,fill=lightgray!80!black}
]
coordinates{
 (2,0.240268331355978)(4,0.345820336216278)(6,0.400399688290948)(8,0.45271672014472) 
};
\addlegendentry{\tiny 4 GPUs};

\addplot [
color=darkgray!40!black,
dotted,
line width=1.0pt,
mark=triangle*,
mark options={solid,,rotate=180,fill=lightgray!80!black}
]
coordinates{
 (2,0.152084295324849)(4,0.231749410836403)(6,0.262934225847794)(8,0.299552497831068) 
};
\addlegendentry{\tiny 8 GPUs};

\addplot [
color=darkgray!40!black,
dotted,
line width=1.0pt,
mark=square*,
mark options={solid,fill=lightgray!80!black}
]
coordinates{
 (2,0.0862511656779609)(4,0.120220894305689)(6,0.151478661805409)(8,0.153387970874544) 
};
\addlegendentry{\tiny 16 GPUs};

\addplot [
color=darkgray!40!black,
dotted,
line width=1.0pt,
mark=triangle*,
mark options={solid,fill=lightgray!80!black}
]
coordinates{
 (2,0.0373688481680221)(4,0.0496141569953743)(6,0.0733030160959349)(8,0.0734766191422691) 
};
\addlegendentry{\tiny 32 GPUs};

\end{axis}
\end{tikzpicture}%