There's a talk on this given by Steve Trimberger to some lucky UofT students on youtube: <a href="https://www.youtube.com/watch?v=4ntXSyOhlBY&t=2s" rel="nofollow">https://www.youtube.com/watch?v=4ntXSyOhlBY&t=2s</a><p>He's an engaging speaker and is speaking from first hand experience as one of the first employees of Xilinx.