Subj : Re: Using hierarchical memory as an acquire memory barrier for
To   : comp.programming.threads,comp.arch
From : Alexander Terekhov
Date : Mon Sep 12 2005 06:05 pm


Joe Seigh wrote:
[...]
> You don't need it on most systems since they have dependent load ordering.

Compilers can turn dd into cc and reorder, "incorrect" software value 
prediction aside for a moment. AFAICS, 20020194436 is about hacking

http://www.cs.umd.edu/~pugh/java/memoryModel/AlphaReordering.html

It won't help against "incorrect" hardware value prediction, I'm afraid.

http://www.cs.wisc.edu/~cain/pubs/micro01_correct_vp.pdf

regards,
alexander.

.