Vote up! http://www.reddit.com/r/programming/comments/155ivw/three_optimization_tips_for_c_video/Andrei
Nice talk. For anybody interested, PIC was made a bit faster by x64 due to introduction of RIP-relative addressing. Here is a concise and well-written article describing an x64 PIC implementation http://eli.thegreenplace.net/2011/11/11/position-independent-code-pic-in-shared-libraries-on-x64/.