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\def\rightmark{WebHPL}
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\begin{document}
\Large

%\title{Web-based High Performance Language Environment}
%\date{October 1995}

%\titlepage


%\sectioncontents

%\maketitle

\section{Remember ...}

%\subsection{Overall goal} to build a  World-wide metacomputer to solve Grand 
%and Integrated Challenges.

\subsection{Overall Goal}

 Exploit {\bf Web} technologies for 
{\bf course-grain distributed 
computing} by integrating them with a careful mix of {\bf interpreted}
and {\bf compiled} environments for HPC programming languages. 
  
%{\bf PCRC:}
%\begin{itemize}
%\item an open parallel compiler runtime system that will support HPF and 
% parallel C++ on several platforms

%\item embodies key parallel computing synchronization, collective communication
%and computation primitives. 
%\end{itemize}

\subsection{WebHPF \& PCRC Relationship}

WebHPF $=$ PCRC $+$ an attractive front-end 
   $+$  low latency Web compatible message passing systems

\pagebreak

%\begin{figure}[htb]
%\centerline{\psfig{file=hpcc-web.eps,width=7.25in}}
%\caption{Integration of HPCC technologies with the Web illustrated for the
PCRC.}
%\label{fig:hpcc-web}
%\end{figure}

%\vspace{3.0in}

\pagebreak



%WebHPL will reuse a runtime library like PCRC while also providing 
%an attractive front-end and
%use suitable low latency Web compatible message passing systems. 

\pagebreak
\section{A Three Layer Architecture for WebHPL}
\begin{itemize}
\item Layer 1:  
  \begin{itemize}
  \item Define computation and communication primitives, based on Web
  standards.
  \item Construct a World-Wide Virtual Machine(WWVM) for heterogeneous 
  and distributed high performance computing.  
\end{itemize}
\item Layer 2:
 \begin{itemize}
 \item more advanced client paradigms
 \item interchange of different data formats and script languages.
 \item HPFCL - for coarse grained control-parallel HPF modules.
 \end{itemize}
\item Layer 3:
 \begin{itemize}
 \item User level programming and problem solving environments(PSE)
 \item Example PSEs: PCRC, Global Arrays 
 \end{itemize}
\end{itemize}

\pagebreak

\section{Tasks Schedule}


%\begin{figure}[htb]
%\centerline{\psfig{file=time-schedule.eps,width=7.25in}}
%\caption{}
%\label{fig:itme-schedule}
%\end{figure}


\pagebreak
\section{Current PCRC Tasks:}
\begin{itemize}
\item Boston -- NPAC software integration.
\item A multi-language PCRC runtime library:
 \begin{itemize}
 \item A  combination of HPF/F90D Fortran and C runtime libraries.
 \item incremental updates towards a more advanced PCRC library in C.
 \end{itemize}
\end{itemize}
\vspace{3.0in}
\end{document}

