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<!DOCTYPE html>
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<head>
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<title>Varun Sampath</title>
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<meta name="author" content="Varun Sampath">
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<h1>Varun Sampath <small>Computer Engineer</small></h1>
</div>
<div class="row">
<div class="span10">
<h2>Current</h2>
<h3>System Software Engineer - NVIDIA</h3>
<p>
I work on firmware and display technologies for NVIDIA graphics products, including <a href="http://game24.nvidia.com/maxwell/">Maxwell</a>.
</p>
<hr>
<h2>Prior Work</h2>
<h3>Pacemaker Verification System - Penn ESE Senior Design</h3>
<p>
<a href="http://www.seas.upenn.edu/~sarode">Shilpa Sarode</a>, <a
href="http://www.seas.upenn.edu/~sriramr">Sriram Radhakrishnan</a>,
and I in conjunction with <a
href="http://mlab.seas.upenn.edu">mLAB</a> at Penn have developed a
hardware platform for closed-loop pacemaker testing. With our
system, we can capture interactions and errors that typical static
input testing systems cannot detect.
</p>
<p>
See the project <a href="http://pvs.medcps.org">page</a> for more
info, pictures, and soon video on the system. We were fortunate to win
the school-wide senior design competition for this project, and we
hope to keep pushing it to new heights.
</p>
<h3>TA - CIS 565 at Penn</h3>
<p>
I worked as a Teaching Assistant for <a href="http://www.seas.upenn.edu/~cis565">CIS 565</a> at Penn during the Spring 2012 semester. Below are links to PDFs of some of the lectures I gave:
<ul>
<li><a href="http://static.vsampath.com/cis565/s12/cpu-overview.pdf">CPU Architecture Overview</a></li>
<li><a href="http://static.vsampath.com/cis565/s12/cuda-performance-ii.pdf">CUDA Performance Notes</a></li>
<li><a href="http://static.vsampath.com/cis565/s12/gpu-compute-tools.pdf">GPU Computing Tools</a></li>
<li><a href="http://static.vsampath.com/cis565/s12/mobile-gpu.pdf">Mobile GPUs</a></li>
<li><a href="http://static.vsampath.com/cis565/s12/modern-gpu.pdf">Modern GPU Architectures</a></li>
</ul>
</p>
<h3>enunciate.me</h3>
<p>
<a href="http://enunciate.me">enunciate.me</a> is a web app designed to avoid those awkward moments where you can't pronounce a contact's name or nobody can seem to pronounce yours. It allows anyone to save a recording of their name using either speech-to-text or their own voice. The generated pronounciation page can then be posted to Facebook, Twitter, or anywhere else. <a href="http://kevintechnology.com">Kevin Conley</a>, <a href="http://www.linkedin.com/profile/view?id=159825679">Casey Conley</a>, and I built it in 40 hours for <a href="http://2012s.pennapps.com">PennApps Spring 2012</a>.
<h3>μWave</h3>
<p>
μWave is a microwave that tweets, texts, and plays YouTube videos to entertain you while it cooks your delicious meal. <a href="http://kevintechnology.com">Kevin Conley</a>, <a href="http://www.benjaminshyong.com/">Ben Shyong</a>, <a href="http://www.teddyzhang.com">Teddy Zhang</a>, and I built it in 40 hours for <a href="http://2011f.pennapps.com">PennApps Fall 2011</a>, and we were lucky enough to win the Grand Prize. Check out our demo, code, and a description of how it works at <a href="http://uwaved.com">uwaved.com</a>. This project happened to get some press too. Here are a few articles on it:
<ul>
<li><a href="http://hackaday.com/2011/11/18/kitchen-hacks-microwave-plays-youtube-videos-matched-to-your-cooking-time/">Hackaday</a></li>
<li><a href="http://techcrunch.com/2011/11/20/touchpad-microwave-hack-finds-videos-that-end-right-when-the-popcorn-is-ready/">Techcrunch</a></li>
<li><a href="http://blog.makezine.com/archive/2011/11/youtube-microwave-%CE%BCwave.html">MAKE Magazine</a></li>
<li><a href="http://www.theverge.com/2011/11/20/2574130/microwave-hack-arduino-touchpad-youtube">The Verge</a></li>
<li><a href="http://www.cbsnews.com/8301-501465_162-57329847-501465/microwave-plays-youtube-videos-while-you-wait/?tag=mncol;txt">CBS News</a></li>
</ul>
<h3>SEPTANow</h3>
<p>
SEPTANow is a webapp that displays the current location of the regional rail lines on Google Maps for the Philadelphia Transit Authority <a href="http://www.septa.org">SEPTA</a>. <a href="http://kevintechnology.com">Kevin Conley</a>, <a href="http://www.benjaminshyong.com/">Ben Shyong</a>, <a href="http://www.teddyzhang.com">Teddy Zhang</a>, and I built it in 48 hours for <a href="http://pennapps.com">PennApps</a> Fall 2010, and we were proud to receive the Student Choice Award for our work. Check it out at <a href="http://www.septanow.org">septanow.org</a>.
</p>
<h3>Faceblock</h3>
<p>
Faceblock is a Facebook blocker app for your Windows PC. I made it just as a cool way to learn Windows dev tools over a lonely weekend in 2010, but it has ended up useful for a finals period or two. I've recently moved the code to <a href="https://github.com/vsampath/Faceblock/">GitHub</a>, and you're welcome to try out the program, available for download <a href="https://github.com/downloads/vsampath/Faceblock/FaceBlock.exe">here</a>.
</p>
<h3>AU-Proteus</h3>
<p>
I participated in the AU-Proteus project as part of a <a href="www.nsf.gov/home/crssprgm/reu/">NSF REU</a> program at Auburn University in 2010. We investigated the performance of ZigBee wireless mesh networks with unmanned aerial vehicles. My old project page is available <a href="au-proteus.html">here</a>.
</p>
<h3>RAC Mustang</h3>
<p>
The remote accelerometer-controlled Mustang is a project <a href="http://www.teddyzhang.com">Teddy Zhang</a> and I worked on for <a href="http://www.seas.upenn.edu/~ese350">ESE 350</a> back in Spring 2010. It uses a Freescale HCS12 to drive the servo and DC motors, along with a <a href="http://www.nanork.org/wiki/FireFly">FireFly</a> wireless sensor node for wireless communication and <a href="http://www.parallax.com/Store/Sensors/ObjectDetection/tabid/176/ProductID/92/List/0/Default.aspx?SortField=ProductName,ProductName">PING</a> sensors for collision avoidance. Check out the project blog <a href="http://racmustang.blogspot.com">here</a>.
</p>
<hr>
</div>
<div class="span4">
<img src="img/varun.jpg" alt="Varun Sampath" />
<h3>Contact</h3>
<p><span class="email">vsampath@ieee.org</span></p>
<p>
<img alt="blogger" src="http://blog.vsampath.com/favicon.ico" class="favicon" /> <a href="http://blog.vsampath.com">Blog</a><br />
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<img alt="github" src="https://github.com/favicon.ico" class="favicon" /> <a href="https://github.com/vsampath">GitHub</a><br />
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