Hi,
after receiving all three votes, I'd like to announce that that winning paper for next reading group is:
The scalable commutativity rule: designing scalable software for multicore processors Austin T. Clements, M. Frans Kaashoek, Nickolai Zeldovich, Robert T. Morris, and Eddie Kohler Best paper SOSP 2013 http://dl.acm.org/citation.cfm?doid=2517349.2522712
Best regards, -Michal Sojka