Subj : Interlocked operations (Atomic Counter) To : comp.programming.threads From : Uenal Mutlu Date : Sat May 21 2005 08:51 pm John M. Dlugosz has a good text (2001) and code on fast atomic operations, incl. some performance test results: http://www.dlugosz.com/Repertoire/refman/Classics/atomic_counter_whitepaper.html Citation: "Using atomic primitives is two to three times faster! Even more important to some uses, they never block." .