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PymbleSoftware
Unread postPosted: Tue Dec 13, 2011 3:39 pm 
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robespierre wrote:
Back when people actually cared about the SGI/MIPS platform, there was a "gentle" introduction called "See MIPS Run". You should be able to find it online without much difficulty.


It was also reprinted and amended slightly and called "See MIPS Run Linux". I ended up with both on my bookshelf.

bluecode wrote:
I write assembler on IBM mainframes. AIX is an OS, IBM mainframe is a hardware platform (which BTW doesn't run AIX).


FWIW, I ported the hercules 390 IBM mainframe simulator to IRIX..
It is attached to this topic: viewtopic.php?f=19&t=16722842

My Origin300 went from 12 to 16 CPUs in the since that topic.

R.

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bluecode
Unread postPosted: Thu Dec 15, 2011 12:30 am 
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skywriter wrote:
bluecode wrote:
a fairly long and proven track record of being interested in stuff that doesn't help my career at all ;-)


well then, SGI & MIPS is right up your ally.


hehe yeah no kidding. I sure can pick 'em. Now to find some space in my crowded office and some money to buy more useless but interesting old stuff....

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bluecode
Unread postPosted: Thu Dec 15, 2011 12:31 am 
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robespierre wrote:
Back when people actually cared about the SGI/MIPS platform, there was a "gentle" introduction called "See MIPS Run". You should be able to find it online without much difficulty.


Thanks as a matter of fact I did find a copy of that. So far the book seems really excellent.

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bluecode
Unread postPosted: Thu Dec 15, 2011 12:33 am 
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josehill wrote:
bluecode wrote:
Hi guys, my first post. I'm interested in learning about SGI and MIPS hardware.

Where are you located, bluecode?


"An American in Asia"

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bluecode
Unread postPosted: Thu Dec 15, 2011 12:37 am 
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PymbleSoftware wrote:
FWIW, I ported the hercules 390 IBM mainframe simulator to IRIX..
It is attached to this topic: viewtopic.php?f=19&t=16722842


Wow, nice piece of work.

PymbleSoftware wrote:
My Origin300 went from 12 to 16 CPUs in the since that topic.


It's a shame the publicly available releases of MVS etc. won't exploit a multiprocessor box. It would be interesting to see what kind of performance you would get out of a new copy of z/OS running on a 16 CPU machine.

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Dennis Nedry
Unread postPosted: Sat Dec 17, 2011 8:37 pm 
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It's a shame the publicly available releases of MVS etc. won't exploit a multiprocessor box. It would be interesting to see what kind of performance you would get out of a new copy of z/OS running on a 16 CPU machine.


I'm not sure what a 16-CPU (core?) machine can pull off in terms of MIPS, but my 12-core Mac Pro will do about 4600 MIPS with nothing else running in the background. Sadly I've never actually bothered to benchmark the system properly. I just know that it will IPL z/OS V1r10 from a cold start in under 3 minutes (can't remember what the loadparm was for that run though, I do recall that I wasn't booting off SARES at the time and it was the full ADCD environment being brought up).

I should really get back into that stuff. I just never found any practical use for any of the knowledge. *sigh*...

Hercules is a great project though. The guys behind it are superbly nice people.

-DN

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BSDero
Unread postPosted: Thu Jan 05, 2012 6:25 pm 
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got some experience developing with IBM AIX 5.3.

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