> >Also, several people have referred to the atomicity of int/pointer > >read/write. This is news to me - can someone point me at the spec for this? > > its an architecture-specific issue. its not true on SPARCs and on some > NUMA systems. it has nothing to do with a language per se.
Is it really true on x86? Being that you can do unaligned accesses just fine, you can certainly do cross-cacheline accesses. Pardon the skepticism, but I've never heard such assertions before. Can anyone offer me a specification for this?
