% \usetikzlibrary{calc,trees,positioning,arrows,chains,shapes.geometric,%
% decorations.pathreplacing,decorations.pathmorphing,shapes,%
% matrix,shapes.symbols,plotmarks,decorations.markings,shadows,backgrounds}


\newcommand{\scale}{.68}

\begin{tikzpicture}[auto, on grid, scale=\scale,every node/.style={scale=\scale} ]

\tikzstyle{CTU}=[draw,text centered, minimum size=1cm,anchor=south west]
\tikzstyle{CTUNum}=[text centered, minimum size=1cm,anchor=south west]
\tikzstyle{Tile}=[draw, line width=1.5pt]
\tikzstyle{ThreadLabel}=[text centered,fill=white,inner sep=0,font=\large]

\draw[CTU,very thick] (0,1) rectangle ++(12,-8);


%\newcounter{maincounter}

\setcounter{maincounter}{1}
\foreach \x in {0,1,...,9}
{
  \node[CTU]  at  (\x, 0) {\themaincounter}; \addtocounter{maincounter}{1}
}
\draw[->, >=latex, black, line width=2pt]  (10,.5) -- ++(1,0);

\setcounter{maincounter}{3}
\foreach \x in {0,1,...,7}
{
  \node[CTU]  at  (\x, -1) {\themaincounter}; \addtocounter{maincounter}{1}
}
\draw[->, >=latex, black, line width=2pt]  (8,-.5) -- ++(1,0);

\setcounter{maincounter}{5}
\foreach \x in {0,1,...,5}
{
  \node[CTU]  at  (\x, -2) {\themaincounter}; \addtocounter{maincounter}{1}
}
\draw[->, >=latex, black, line width=2pt]  (6,-1.5) -- ++(1,0);

\setcounter{maincounter}{7}
\foreach \x in {0,...,3}
{
  \node[CTU]  at  (\x, -3) {\themaincounter}; \addtocounter{maincounter}{1}
}
\draw[->, >=latex, black, line width=2pt]  (4,-2.5) -- ++(1,0);

\setcounter{maincounter}{9}
\foreach \x in {0,...,1}
{
  \node[CTU]  at  (\x, -4) {\themaincounter}; \addtocounter{maincounter}{1}
}
\draw[->, >=latex, black, line width=2pt]  (2,-3.5) -- ++(1,0);

\setcounter{maincounter}{1}
\foreach \y in {0,...,-4}
{
  \node[ThreadLabel]  at  (-2, \y+.4) {Thread \#\themaincounter}; \addtocounter{maincounter}{1}
}
\node[ThreadLabel,rotate=90]  at  (-2, -5+.5) {...};

\end{tikzpicture}