Re: OoO execution

From	Michael S <already5chosen@yahoo.com>
Newsgroups	comp.arch
Subject	Re: OoO execution
Date	2025-08-01 15:02 +0300
Organization	A noiseless patient Spider
Message-ID	<20250801150219.00005c56@yahoo.com> (permalink)
References	(9 earlier) <100g2s6$1pp8t$1@dont-email.me> <1058cru$p1jc$1@dont-email.me> <fdad5be0cc95975649e78c284dc6f759@www.novabbs.org> <1061fh3$18ohf$10@dont-email.me> <106gk8e$q44$1@dont-email.me>

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On Thu, 31 Jul 2025 20:38:38 -0000 (UTC)
John Savard <quadibloc@invalid.invalid> wrote:

> On Sat, 26 Jul 2025 02:45:56 +0000, Lawrence D'Oliveiro wrote:
> 
> > Not good enough to keep up with CDC?
> > 
> > After about two years of promising that they would blow CDC out of
> > the water ...  
> 
> The IBM System/360 Model 91 wasn't even good enough to keep up with
> the Model 85.
> 
> However, IBM still realized that OoO was useful, even if it delivered
> less than the promised improvement in performance. So they went on to
> the Model 195 which added cache to the Model 91 design. That did work
> well enough that *I think* it actually did out-perform the CDC
> machines of the time.
>

From what I see in Wkipedia, it looks like all "number-crunching
oriented" S/360 Models, i.e. 85, 91 and 195, were failures from
business POV, even if to slightly different degrees (85 less bad).
May be, S/370 Model 195 was more successful, I was not able to find info
about number of units shipped.

But, then again, CDC 7600, despite its excellent performance, was
significantly less successful commercially than 6600. So, may be, it was
just a bad era for that type of machines.

> Even if it didn't, it performed well, and could have been considered a
> superior alternative - the CDC 6600 had reliabillity problems, I
> remember reading. So it would only have had to come close to the 7600
> or whatever CDC had at the time in such a situation.
> 
> John Savard

Thread

The Seymour Cray Era of Supercomputers Thomas Koenig <tkoenig@netcologne.de> - 2025-05-17 20:00 +0000
  Re: The Seymour Cray Era of Supercomputers mitchalsup@aol.com (MitchAlsup1) - 2025-05-17 21:27 +0000
    Re: The Seymour Cray Era of Supercomputers Thomas Koenig <tkoenig@netcologne.de> - 2025-05-18 05:46 +0000
      Re: The Seymour Cray Era of Supercomputers Michael S <already5chosen@yahoo.com> - 2025-05-18 18:23 +0300
        Re: The Seymour Cray Era of Supercomputers mitchalsup@aol.com (MitchAlsup1) - 2025-05-18 22:02 +0000
        Re: The Seymour Cray Era of Supercomputers quadibloc <quadibloc@gmail.com> - 2025-05-19 01:08 +0000
          Re: The Seymour Cray Era of Supercomputers Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-05-19 01:56 +0000
            Re: The Seymour Cray Era of Supercomputers quadibloc <quadibloc@gmail.com> - 2025-05-19 03:12 +0000
              OoO execution (was: The Seymour Cray Era of Supercomputers) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-05-19 06:22 +0000
                Re: OoO execution (was: The Seymour Cray Era of Supercomputers) John Levine <johnl@taugh.com> - 2025-05-19 17:10 +0000
                Re: OoO execution (was: The Seymour Cray Era of Supercomputers) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-05-19 17:46 +0000
                Re: OoO execution ze@zerandconsulting.com (Ze) - 2025-05-19 19:09 +0000
                Re: OoO execution Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-05-20 00:04 +0000
                Re: OoO execution mitchalsup@aol.com (MitchAlsup1) - 2025-05-20 00:30 +0000
                Re: OoO execution scott@slp53.sl.home (Scott Lurndal) - 2025-05-20 13:52 +0000
                Re: OoO execution (was: The Seymour Cray Era of Supercomputers) George Neuner <gneuner2@comcast.net> - 2025-05-21 12:52 -0400
                Re: OoO execution Stefan Monnier <monnier@iro.umontreal.ca> - 2025-05-21 13:14 -0400
                Re: OoO execution moi <findlaybill@blueyonder.co.uk> - 2025-05-21 18:47 +0100
                Re: OoO execution EricP <ThatWouldBeTelling@thevillage.com> - 2025-05-19 14:33 -0400
                Re: OoO execution quadibloc <quadibloc@gmail.com> - 2025-05-19 19:08 +0000
                Re: OoO execution Terje Mathisen <terje.mathisen@tmsw.no> - 2025-05-19 22:04 +0200
                Re: OoO execution Michael S <already5chosen@yahoo.com> - 2025-05-19 23:27 +0300
                Re: OoO execution John Savard <quadibloc@invalid.invalid> - 2025-07-16 14:27 +0000
                Re: OoO execution mitchalsup@aol.com (MitchAlsup1) - 2025-07-16 18:27 +0000
                Re: OoO execution Stefan Monnier <monnier@iro.umontreal.ca> - 2025-07-16 17:45 -0400
                Re: OoO execution Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-07-26 02:45 +0000
                Re: OoO execution John Savard <quadibloc@invalid.invalid> - 2025-07-31 20:38 +0000
                Re: OoO execution Michael S <already5chosen@yahoo.com> - 2025-08-01 15:02 +0300
                Re: OoO execution John Levine <johnl@taugh.com> - 2025-08-01 15:44 +0000
                Re: OoO execution (was: The Seymour Cray Era of Supercomputers) Michael S <already5chosen@yahoo.com> - 2025-05-19 23:41 +0300
                Re: OoO execution (was: The Seymour Cray Era of Supercomputers) Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-05-20 00:01 +0000
                Re: OoO execution (was: The Seymour Cray Era of Supercomputers) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-05-20 21:21 +0000
                Re: OoO execution (was: The Seymour Cray Era of Supercomputers) Michael S <already5chosen@yahoo.com> - 2025-05-30 13:28 +0300
                Re: OoO execution (was: The Seymour Cray Era of Supercomputers) Al Kossow <aek@bitsavers.org> - 2025-05-30 10:51 -0700
                Re: OoO execution (was: The Seymour Cray Era of Supercomputers) scott@slp53.sl.home (Scott Lurndal) - 2025-05-30 19:36 +0000
                Re: OoO execution (was: The Seymour Cray Era of Supercomputers) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-05-31 07:57 +0000
                Re: OoO execution (was: The Seymour Cray Era of Supercomputers) Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-05-30 22:05 +0000
                Re: OoO execution mitchalsup@aol.com (MitchAlsup1) - 2025-05-30 23:01 +0000
                Re: OoO execution (was: The Seymour Cray Era of Supercomputers) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-05-31 08:10 +0000
                Re: OoO execution (was: The Seymour Cray Era of Supercomputers) Thomas Koenig <tkoenig@netcologne.de> - 2025-05-29 19:02 +0000
                Re: OoO execution mitchalsup@aol.com (MitchAlsup1) - 2025-05-29 20:06 +0000
                Re: OoO execution Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-05-29 22:20 +0000
                Re: OoO execution David Schultz <david.schultz@earthlink.net> - 2025-05-29 18:36 -0500
              Re: The Seymour Cray Era of Supercomputers Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-05-19 07:50 +0000
            Re: The Seymour Cray Era of Supercomputers Michael S <already5chosen@yahoo.com> - 2025-05-19 16:55 +0300
              Re: The Seymour Cray Era of Supercomputers Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-05-19 23:58 +0000
                Re: The Seymour Cray Era of Supercomputers Michael S <already5chosen@yahoo.com> - 2025-05-20 13:45 +0300
                Re: The Seymour Cray Era of Supercomputers mitchalsup@aol.com (MitchAlsup1) - 2025-05-20 16:59 +0000
                Re: The Seymour Cray Era of Supercomputers John Levine <johnl@taugh.com> - 2025-05-20 19:59 +0000
                Re: The Seymour Cray Era of Supercomputers mitchalsup@aol.com (MitchAlsup1) - 2025-05-20 22:48 +0000
                Re: The Seymour Cray Era of Supercomputers Michael S <already5chosen@yahoo.com> - 2025-05-21 11:21 +0300
                Re: The Seymour Cray Era of Supercomputers Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-05-21 08:44 +0000
                Re: The Seymour Cray Era of Supercomputers John Levine <johnl@taugh.com> - 2025-05-21 16:09 +0000
                Re: The Seymour Cray Era of Supercomputers Michael S <already5chosen@yahoo.com> - 2025-05-21 20:11 +0300
                Re: The Seymour Cray Era of Supercomputers John Levine <johnl@taugh.com> - 2025-05-21 20:04 +0000
                Re: The Seymour Cray Era of Supercomputers Lars Poulsen <lars@cleo.beagle-ears.com> - 2025-05-25 21:08 +0000
                Re: 360/44, The Seymour Cray Era of Supercomputers John Levine <johnl@taugh.com> - 2025-05-25 22:50 +0000
    Re: The Seymour Cray Era of Supercomputers Michael S <already5chosen@yahoo.com> - 2025-05-18 11:33 +0300
      Re: The Seymour Cray Era of Supercomputers mitchalsup@aol.com (MitchAlsup1) - 2025-05-18 22:01 +0000
        Re: The Seymour Cray Era of Supercomputers Michael S <already5chosen@yahoo.com> - 2025-05-19 16:35 +0300
          Re: The Seymour Cray Era of Supercomputers Al Kossow <aek@bitsavers.org> - 2025-05-19 09:49 -0700
          Re: The Seymour Cray Era of Supercomputers mitchalsup@aol.com (MitchAlsup1) - 2025-05-19 18:14 +0000
            Re: The Seymour Cray Era of Supercomputers Michael S <already5chosen@yahoo.com> - 2025-05-19 23:11 +0300
              Re: The Seymour Cray Era of Supercomputers BGB <cr88192@gmail.com> - 2025-05-20 01:36 -0500
            Re: The Seymour Cray Era of Supercomputers Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-05-20 05:40 +0000
              Re: The Seymour Cray Era of Supercomputers mitchalsup@aol.com (MitchAlsup1) - 2025-05-20 16:58 +0000
                Re: The Seymour Cray Era of Supercomputers Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-05-21 00:28 +0000
            Re: The Seymour Cray Era of Supercomputers "Brian G. Lucas" <bagel99@gmail.com> - 2025-05-26 11:48 -0500
              Re: The Seymour Cray Era of Supercomputers mitchalsup@aol.com (MitchAlsup1) - 2025-05-26 18:01 +0000
                Re: The Seymour Cray Era of Supercomputers EricP <ThatWouldBeTelling@thevillage.com> - 2025-05-26 16:52 -0400
                Re: The Seymour Cray Era of Supercomputers Al Kossow <aek@bitsavers.org> - 2025-05-26 19:27 -0700

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