autobiography.php

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<?php // yo, emacs! This is an -*- HTML -*- file.
  $title="Autobiography";
  $currentFile=__FILE__;
  include("header.php");
?>
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  <table class="noborder fullwidth"><tr>
    <td valign="top">
      <table class="noborder fullwidth"><tr><td class="fullcell">
        <table class="imgframe"><tr><td class="fullcell">
          <img width="195" height="250" src="gfx/J-Wilhelmsson.png" alt="This is me" align="left">
        </td></tr></table>
      </td><td class="fullcell">
        <h1 class="fullwidth">Who am I?</h1>
        <p class="maincontent">
          I'm the proud father of three, Oliver, Anton, and
          Matilda. Since they don't want to appear on the Internet I won't say more about them
          nor the rest of my family here.
        </p>
        <p class="maincontent">
          I'm currently working with JVM development at Oracle.
          A JVM (Java Virtual Machine) is the environment in which all
          programs written in the Java programming language is run.
          The JVM is called Hotspot, and it is the JVM built as part of the
          <a href="http://openjdk.java.net">OpenJDK project</a>.
        </p>
      </td></tr></table>
      <p class="maincontent">
        I'm also a (not the least active) Ph.D. student in computing science at the <a
        href="http://www.it.uu.se">Department of Information
        Technology</a> at <a href="http://www.uu.se">Uppsala
        University</a>. My area of research is automatic memory
        management. So far, this work has led to publications about
        heap architectures for message passing concurrency,
        incremental garbage collection, and a new garbage collection
        algorithm called mark and split. I defended my licentiate
        thesis on the 27:th of may, 2005. You can have a look at it
        here: "<a href="publications/Wilhelmsson_Lic.pdf">Efficient Memory
        Management for Message-Passing Concurrency</a>".  The degree
        of licentiate is sort of half way to Ph.D. All my publications
        can be found on the <a href="publications.php">publications page</a>.
      </p>
      <p class="maincontent">
        I have always been interested in computers and electronics and
        I like a challenge, like implementing some algorithm or
        application on systems with extremely low memory and limited
        I/O. I spend most of my time in front of a computer, hacking
        on some obscure piece of code. Nowadays I mostly use C++, but
        through the years I have come across a wide range of
        programming languages. It began in 1984 with Commodore 64 and
        Basic. I was nine years old at the time, and started right away
        to write small games. As soon as I got my first cartridge (TFC
        III) and looked into the machine's memory, I wrote my first
        program using machine code. This was really fun, but since I did not
        know about editors at the time, I wrote the code directly into
        the machine memory using the cartridge. (That's how you learn
        to appreciate NOP.) I was quite late at getting my first
        Amiga, but once I got it I fell in love with it. I still use
        the Amiga on a regular basis. (You can see more about my Amiga
        on the <a href="amiga.php">Amiga page</a>.) New computers and
        new programming languages followed over the years. (In
        chronological order:) Amiga Basic, Amos, 68k assembler,
        Pascal, QBasic, DPG Prolog, C, 80486 assembler, C++, Amiga E,
        ARexx, Moscow ML, Java, MIPS assembler, Prolog, Matlab, Perl,
        PDP10 assembler, Erlang, PIC assembler, Ada, SML/NJ, PHP. I
        have of course seen and tried other languages to, but these
        are the ones I have used to write some "real" application.
        Like most programmers I have also been exposed to Visual Basic
        and other cut'n'paste kind of languages, though I do my best
        to avoid them. Other programming-like tools and languages I
        use (or have used) regularly, but I prefer not to call them
        programming languages, are awk, sed, (X)HTML, SSI, CSS, and
        script languages in a variety of platforms.
      </p>
      <p class="maincontent">
        I began my studies in Uppsala in 1996 (full time student from
        1997) and finished my MSc in computer science in 2002. During
        my time as a student in Uppsala I was an active member (and
        board member from time to time) in DVKV, the
        computer scientist's social activities organization. I also
        co-founded the party association Uppsalael&auml;ndet
        in the spring of 1999. I did my best to keep the tradition
        alive of using overall as The dress to wear in all student
        activities. The computer scientists in Uppsala have a
        beautiful red overall, and to the right you can see me wearing
        mine. It has been with me on student festivities and
        conferences from Kalmar and Gotland in the south of Sweden to
        Ume&aring; up north.
      </p>
      <p class="maincontent">
        Before I came to Uppsala I worked as a system administrator at
        two schools in Lidk&ouml;ping. The main tasks was to build and
        supervise the LANs of the two schools. Since it was in a
        school environment the job also included some teaching. Being
        a teacher was something I found very rewarding, so I continued
        to teach during my time as an undergraduate student and
        assisted on several courses at the university. My employment
        as a Ph.D. student also included 20% teaching and I got the
        opportunity to take several courses about pedagogics, group
        dynamics and presentation techniques. My teaching was mainly
        divided between two courses, Object oriented programming in
        which I were course assistant, and an introductory course in
        programming using C, which was my own course. I also developed
        a course in imperative programming and engaged myself in
        the Supplemental
        Instruction mentoring program at the IT department, both as a mentor and as
        administrative assistant.
      </p>
      <p class="maincontent">
        The few spare minutes I have, I usually spend writing some
        game or lyrics to some computer related song. You can find
        some of them here at my site. I hope you will enjoy them!
      </p>
    </td>
    <td valign="top">
      <p align="right">
        <img width="66" height="83" src="gfx/donald.png" alt="Donald Duck">
      </p>
      <img width="1" height="30" src="gfx/pixel.gif" alt="">
      <div class="fb-page" data-href="https://www.facebook.com/jesper.wilhelmsson" data-width="380" data-hide-cover="false" data-tabs="about" data-show-facepile="false"></div>
      <div class="fb-page" data-href="https://www.facebook.com/oracle" data-width="380" data-hide-cover="false" data-show-facepile="false"></div>
      <p class="download">
        <a href="download/cv.pdf">Download my (not necessarily recent) CV here.</a>
      </p>
      <img width="1" height="10" src="gfx/pixel.gif" alt="">
      <p>
        <tt>
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          Version: 3.12<br>
          GCS d?&gt;+ s: a(---) C++++ UBLS+++ P--- L+++(-) E--- W++ N- o?
          K? !w O- M+ PS+ PE Y-- PGP- t 5 X+ R tv--
          b+ DI+++ D-&gt;---- G+ e* h* r+++ y++++<br>
          ------END&nbsp;GEEK&nbsp;CODE&nbsp;BLOCK------
        </tt>
      </p>
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              K? !w O- M+ PS+ PE Y-- PGP- t 5 X+ R tv--
              b+ DI+++ D->---- G+ e* h* r+++ y++++">
            <input type="submit" value="Decode Geek Code">
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      <img width="1" height="40" src="gfx/pixel.gif" alt="">
      <p align="center">
        <img width="194" height="600" src="gfx/overall.jpg" alt="This is me in my finest party dress">
      </p>
    </td>
  </tr></table>

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