% 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=0.5, ymax=2.5,
ylabel={Speedup},
ymajorgrids,
%legend style={at={(0.03,0.97)},anchor=north west,nodes=right},
]
\addplot [
color=darkgray!40!black,
dotted,
line width=1.0pt,
mark=*,
mark options={solid,fill=lightgray!80!black}
]
coordinates{
 (2,0.672341723085803)(4,0.899235913005631)(6,1.02005596057006)(8,1.12799186094861) 
};
%\addlegendentry{2 GPUs};

\addplot [
color=darkgray!40!black,
dotted,
line width=1.0pt,
mark=diamond*,
mark options={solid,fill=lightgray!80!black}
]
coordinates{
 (2,0.961073325423912)(4,1.38328134486511)(6,1.60159875316379)(8,1.81086688057888) 
};
%\addlegendentry{4 GPUs};

\addplot [
color=darkgray!40!black,
dotted,
line width=1.0pt,
mark=triangle*,
mark options={solid,,rotate=180,fill=lightgray!80!black}
]
coordinates{
 (2,1.2166743625988)(4,1.85399528669123)(6,2.10347380678235)(8,2.39641998264854) 
};
%\addlegendentry{8 GPUs};

\addplot [
color=darkgray!40!black,
dotted,
line width=1.0pt,
mark=square*,
mark options={solid,fill=lightgray!80!black}
]
coordinates{
 (2,1.38001865084737)(4,1.92353430889103)(6,2.42365858888654)(8,2.4542075339927) 
};
%\addlegendentry{16 GPUs};

\addplot [
color=darkgray!40!black,
dotted,
line width=1.0pt,
mark=triangle*,
mark options={solid,fill=lightgray!80!black}
]
coordinates{
 (2,1.19580314137671)(4,1.58765302385198)(6,2.34569651506992)(8,2.35125181255261) 
};
%\addlegendentry{32 GPUs};

\end{axis}
\end{tikzpicture}%