Groups > alt.folklore.computers > #235726

Re: Harvest time!

From	James Dow Allen <user4353@newsgrouper.org.invalid>
Newsgroups	alt.folklore.computers
Subject	Re: Harvest time!
References	(4 earlier) <UySvS.40$gTHb.10@fx48.iad> <119p8ji$2g4hd$2@dont-email.me> <875wzjlld4.fsf@localhost> <1791055885-4353@newsgrouper.org> <87fqymp5w8.fsf@localhost>
Date	2026-10-06 21:23 +0000
Message-ID	<1791321832-4353@newsgrouper.org> (permalink)
Organization	jamesdowallen@gmail.com

Show all headers | View raw

Lynn Wheeler <lynn@garlic.com> posted:

> James Dow Allen <user4353@newsgrouper.org.invalid> writes:
> > This confuses me.  The 370/168 -- dominant until the 3033 in the late 1970's
> > -- had 80 nsec "cycle time", and logic gate delays
> > were about 2 nsec minimum even without considering line delays or anything
> > more complicated than OR or NOR.  Even the mini-"cycles" on the 370/135
> > were 55 nsec IIRC.  What are these super-short "cycle times" repeated
> > throughout that document?
> 
> 165 370 microcode finished 370 instruction on avg. of one every 2.1
> machine cycle.

Interesting.  But irrelevant to my query which is about the wrong-looking
nanoseconds per cycle, and NOT about cycles per 370 instruction.

Thread

Harvest time! David Lesher <wb8foz@panix.com> - 2026-10-01 02:06 +0000
  Re: Harvest time! Anton Antimo <anton@safunu.org> - 2026-10-01 11:26 -0300
    Re: Harvest time! Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-10-01 23:44 +0800
    Re: Harvest time! David LaRue <huey.dll@tampabay.rr.com> - 2026-10-01 21:22 +0000
  Re: Harvest time! Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-01 22:11 +0000
    Re: Harvest time! Lars Poulsen <lars@beagle-ears.com> - 2026-10-01 20:05 -0700
      Re: Harvest time! Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-02 04:50 +0000
        Re: Harvest time! Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-10-02 18:17 +0000
          Re: Harvest time! Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-02 21:44 +0000
            Re: Harvest time! Lynn Wheeler <lynn@garlic.com> - 2026-10-02 13:43 -1000
              Re: Harvest time! James Dow Allen <user4353@newsgrouper.org.invalid> - 2026-10-03 19:31 +0000
                Re: Harvest time! Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-03 21:43 +0000
                Re: Harvest time! Lynn Wheeler <lynn@garlic.com> - 2026-10-03 16:16 -1000
                Re: Harvest time! James Dow Allen <user4353@newsgrouper.org.invalid> - 2026-10-06 21:23 +0000
                Re: Harvest time! antispam@fricas.org (Waldek Hebisch) - 2026-10-07 17:31 +0000
  Re: Harvest time! John Levine <johnl@taugh.com> - 2026-10-02 01:48 +0000

csiph-web