On 10/06/2014 10:10 a.m., Eliezer Croitoru wrote: > On 06/10/2014 12:43 AM, Cassiano Martin wrote: >> Yes its 32 bit custom built OS > As far as I can remember the shared memory needed 64bit OS and HW. > I am not 100% sure yet. Yes 64-bit atomics are required. And for now it is also restricted to GNU-style atomic operations. Although with a bit of patching these can be replaced with C++11 standardized atomics. Amos