From: Tom Ivar Helbekkmo via TUHS <tuhs@minnie.tuhs.org>
To: Paul Winalski <paul.winalski@gmail.com>
Cc: TUHS main list <tuhs@minnie.tuhs.org>,
Douglas McIlroy <douglas.mcilroy@dartmouth.edu>
Subject: Re: [TUHS] PL/I stuff - was: Book Recommendation
Date: Fri, 26 Nov 2021 21:30:20 +0100 [thread overview]
Message-ID: <m2sfviirs3.fsf@thuvia.hamartun.priv.no> (raw)
In-Reply-To: <CABH=_VQpRTMz+=7dFbZFD16qt6h_p54xU93Km77F54QdCR76Bg@mail.gmail.com> (Paul Winalski's message of "Fri, 26 Nov 2021 11:59:35 -0500")
Paul Winalski <paul.winalski@gmail.com> writes:
> Back in the pre-virtual-memory days of the System/360, IBM offered its
> compilers in at least three variants: F, G, and H. They differed in
> the amount of memory required and in features and especially the
> sophistication of the optimizations they performed. IBM PL/I H
> required the most memory and performed the highest levels of
> optimization.
Is there any relationship, other than pure coincidence, between this
naming scheme and DEC's F, G, and H floating point number formats?
-tih
--
Most people who graduate with CS degrees don't understand the significance
of Lisp. Lisp is the most important idea in computer science. --Alan Kay
next prev parent reply other threads:[~2021-11-26 20:32 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-24 23:54 Douglas McIlroy
2021-11-25 16:35 ` Paul Winalski
2021-11-25 18:15 ` Steve Nickolas
2021-11-26 16:59 ` Paul Winalski
2021-11-26 20:30 ` Tom Ivar Helbekkmo via TUHS [this message]
2021-11-26 21:22 ` John Cowan
2021-11-27 0:01 ` George Michaelson
2021-11-27 16:12 ` Paul Winalski
-- strict thread matches above, loose matches on Subject: below --
2021-11-27 15:25 Noel Chiappa
2021-11-27 15:53 ` Charles H Sauer
2021-11-16 14:57 [TUHS] " Douglas McIlroy
2021-11-23 2:28 ` Mary Ann Horton
2021-11-23 21:54 ` Thomas Paulsen
2021-11-24 15:18 ` Richard Salz
2021-11-24 22:19 ` Charles Anthony
2021-11-24 22:29 ` [TUHS] PL/I stuff - was: " Will Senn
2021-11-24 23:00 ` Rob Pike
2021-11-24 23:13 ` Richard Salz
2021-11-25 1:48 ` Nelson H. F. Beebe
2021-11-25 2:03 ` George Michaelson
2021-11-25 14:47 ` Clem Cole
2021-11-26 22:20 ` Alan Glasser
2021-11-26 22:33 ` Alan Glasser
2021-11-27 0:23 ` Dennis Boone
2021-11-27 0:30 ` Larry McVoy
2021-11-27 0:47 ` Charles H. Sauer
2021-11-27 2:43 ` Alan Glasser
2021-11-27 0:56 ` Warner Losh
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