Re: AMD vs Intel memory managemement

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Author: Lyle Tuttle
Date:  
To: Main PLUG discussion list
Subject: Re: AMD vs Intel memory managemement


At 08:16 AM 6/13/2013, Eric Cope wrote:
what year was
that?
1968 or so

On Thu, Jun 13,
2013 at 7:01 AM, Lyle Tuttle
<>
wrote:


In the 'old' days, I worked for the Atomic Energy Commission
designing, building and maintaining computer controlled experiments using
radiation from and located on the face of the reactor.....our SDS
"mainframe" <G> ran ALL experiments (including some x-ray
diffraction projects in remote locations) in real-time......that computer
had 16K core memory.......and people came from all over the world to see
what we were doing....now a watch has more memory.....

Time flies, and the only constant is change......    


At 10:26 PM 6/12/2013, Derek Trotter wrote:

Anyone remember the old days when
we thought 64k RAM and a 5MB hard drive was a fast machine?

On 06/12/2013 06:12 PM, Bryan O'Neal wrote:

Yes - I am not saying my entire farm has that much ram. You can get
away with much, much less, but I have servers that go that high.


On Wed, Jun 12, 2013 at 5:49 PM, keith smith
<>
wrote:

Did I read that right you have 768GB of RAM?


------------------------
Keith Smith

--- On Wed, 6/12/13, Bryan O'Neal

<> wrote:


From: Bryan O'Neal

<>

Subject: Re: AMD vs Intel memory managemement
To: "Main PLUG discussion list"
<
>
Date: Wednesday, June 12, 2013, 5:45 PM


This is kinda new to me - Just so I am clear - unganged systems would
perform better if I have say - a caching system with limited threads each
pined to a specific core (we do this for processor cache anyway) while
ganged systems would perform better it I was spinning up a new thread for
each request and had a large amount (say 768GB) of ram running something
like PostgreSQL where threads are being fired up and down many thousands
of times a second but the data they seek is mostly in main memory.


On Wed, Jun 5, 2013 at 1:36 PM, Stephen
<
> wrote:

On-board bios usually will not allocate that much however. And by
usually will not I mean I have never sen it do so, even in the days of
ghetto ram thieving by graphics chip-sets.


On Wed, Jun 5, 2013 at 12:29 PM, Eric Shubert
<>
wrote:

On 06/03/2013 01:46 PM, Nathan England wrote:

But why does CentOS not register all of my memory? Why less than 3/4
of it?



Perhaps the bios has allocated a chunk of it to onboard
video?

--
-Eric 'shubes'
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--

A mouse trap, placed on top of your alarm clock, will prevent you
from rolling over and going back to sleep after you hit the snooze
button.

Stephen

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--

"I get my copy of the daily paper, look at the obituaries page,
and

if I’m not there, I carry on as usual."

;


Patrick

Moore
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