Subj : Re: Memory visibility and MS Interlocked instructions
To   : comp.programming.threads
From : Alexander Terekhov
Date : Tue Aug 30 2005 04:19 pm


Joe Seigh wrote:
[...]
> All mention of LFENCE (apart from it being part of SSE2 feature set) 
> are SSE context free.

It only seems to you because you simply refuse to recognize the 
context: software-managed coherence for non-cachable weakly-ordered 
write-combining memory semantics (vs "ordinary" x86/PC memory model).

regards,
alexander.

.