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\subsection{MasPar}              

\subsubsection{Footprint}

\begin{center}
\begin{tabular}{|c|l|}\hline
System               & MasPar MP-1101A \\ \hline
Architecture         & Massively parallel SIMD  \\ \hline
\# of Processors     & Data Parallel Unit (DPU) \\
                     & with 1024 Processor Elements (PE) \\ \hline
Type of Processors   & PE: full-custom processor chip (1.8 MIPS)\\ \hline
Memory Size          & DPU: 16 KBytes in each PE, 1.128 MBytes in ACU \\ \hline
Disk Capacity        & --- \\ \hline
Operating System     & --- \\ \hline  \hline
Name                 & --- \\ \hline
Internet Address     & --- \\ \hline
Location             & Institut fuer Statistik und Informatik    \\ \hline
                     & Lehrkanzel Zima \\
                     & Bruenner Str. 72, 1210 Wien  \\ \hline
System Administrator & Viera Sipkova sipka@par.univie.ac.at \\ \hline 
Network Coordinator  &                 \\ \hline
\end{tabular}
\end{center}


\subsubsection{Availability}

\begin{center}
\begin{tabular}{|c|c|c|c|c|c|c|c|}\hline
Group       & RISC & TU-Vienna & Vienna & Linz & Salzburg & World \\ \hline
            &      &           &        &      &          &       \\ \hline
\end{tabular}
\end{center}


\subsubsection{Further Description}

MasPar MP-1 is a massively parallel, data-parallel, fine-grained processing
system. It consists of 3 Subsystems: Front-End (FE), Data Parallel Unit (DPU),
and I/O Subsystem. The FE is a DEC 5000 workstation which runs UNIX operating
system with graphics and network services, including the software environment
in which all the MasPar tools and utilities are executed. The DPU performs all
parallel processing. It is composed of the Array Control Unit (ACU), Processor
Element Array (PE Array) and Communication Mechanisms. The ACU is a register-
based (14 MIPS) processor with its own registers, data memory (128 KBytes), and
instruction memory (1 MByte - 4 GBytes). The PE array consits of 1K PEs that are
arranged in a 2-dimnesional matrix (32x32). Each PE contains the arithmetic-
logical unit (1.8 MIPS processor), registers, and 16 KBytes of RAM.
Communications are implemented via VME Bus, ACU-PE Bus, and X-Net and Global
Router.
\\

Peak performance of MasPar MP-1:
Each PE operates at 1.6 MIPS (32-bit integer add) and 80Kflops (average of
32-bit floating point multiply and add).
MP-1 systems currently support PE arrays with 1,024 to 16,384 processor
elements. Peak performance ranges from 1,600 to 26,000 integer MIPS (32-bit
add), from 82 to 1,300 single precision Mflops (average of add and multiply) and
from 36 to 580 double precission (64-bit) Mflops.

% For systems without a special host computer the following footprint
% should be ommited

{\bf Footprint of the Host Computer}

\begin{center}
\begin{tabular}{|c|l|}\hline
System               & DEC Station 5000                \\ \hline
Type of Processors   &                 \\ \hline
Memory Size          & 24 MB                \\ \hline
Disk Capacity        & 665 MByte hard disk \\
                     & optical compact disc drive (635 MByte)      \\ \hline
Operating System     & ULTRIX          \\ \hline  \hline
Name                 & maspar          \\ \hline
Internet Address     & 131.130.70.36   \\ \hline
Location             & Institut fuer Statistik und Informatik    \\ \hline
                     & Lehrkanzel Zima \\
                     & Bruenner Str. 72, 1210 Wien  \\ \hline
System Administrator & Viera Sipkova sipka@par.univie.ac.at \\ \hline 
Network Coordinator  &                 \\ \hline
\end{tabular}
\end{center}

\subsubsection{Software}

