1cb Subj : Re: Lock Free -- where to start To : comp.programming.threads From : Oliver S. Date : Tue Oct 04 2005 01:20 am > A hazard pointer implementation with 2 memory barriers, one > for release semantics and the other for the "store/load" barrier, > on a 866 Mhz P3 with XCHG to simulate the membars is 81 nsec w/ > membars and 8 nsec w/o membars on a 1.2 Ghz powerpc it's Eh, you don't need membars on x86 except for some SSE-operations. . 0