Subj : Re: load-after-store reordering for x86 wrt smr...
To   : comp.programming.threads
From : Joe Seigh
Date : Tue Mar 15 2005 10:31 am

On Tue, 15 Mar 2005 16:08:44 +0100, Alexander Terekhov <terekhov@web.de> wrote:

>
> Joe Seigh wrote:
> [...]
>> Yes, but if they "fix" it, it will be worse, not better, like alpha memory
>> architecture.
>
> Why worse, not better? Alpha doesn't have msync::dd* labeling, it
> has heavier bidirectional rmb and mb. But that doesn't mean that
> others can't do/"fix" it better than Alpha. Oder?
>
In theory, yes.  In practice, no.  Hardware architects don't understand
multithreading.  They think they do, which makes them incrediably
dangerous.  Best not give them any ideas.

-- 
Joe Seigh

.