[Info-vax] OpenVMS async I/O, fast vs. slow

[Simon Clubley]

On 2023-11-09, Johnny Billquist <bqt at softjar.se> wrote:
> On 2023-11-09 17:50, Dan Cross wrote:
>> In article <uig3nn$2ke$2 at news.misty.com>,
>> Johnny Billquist  <bqt at softjar.se> wrote:
>>> On 2023-11-08 03:00, Dan Cross wrote:
>>>> [snip]
>>>> Yes.  See below.
>>>
>>> :-)
>>>
>>> And yes, I know how the cache coherency protocols work. Another thing
>>> that was covered already when I was studying at University.
>> 
>> Cool.  MESI wasn't presented until 1984, so you must have seen
>> it pretty early on.
>
> I think I was looking at it in 1995 (what made you think I would have 
> looked at it close to 1984? How old do you think I am??? :) ). My 
> professor was specifically focused on CPU caches. He was previously the 
> chief architect for high-end server division at SUN (Erik Hagersten if 
> you want to look him up).
> I didn't even start at University until 1989.
>

That makes you a lot younger than I thought you were, given your interest
in RSX, which (along with the PDP-11 itself) was pretty much obsolete by
that point. IOW, I certainly thought you were old enough to qualify for
a Senior citizen's travel pass... :-)

What got you interested in RSX in that case ?

Simon.

-- 
Simon Clubley, clubley at remove_me.eisner.decus.org-Earth.UFP
Walking destinations on a map are further away than they appear.