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From: Larry McVoy <lm@mcvoy.com>
To: Derek Fawcus <dfawcus+lists-tuhs@employees.org>
Cc: TUHS main list <tuhs@minnie.tuhs.org>
Subject: Re: [TUHS] ATC/OSDI'21 joint keynote: It's Time for Operating Systems to Rediscover Hardware (Timothy Roscoe)
Date: Fri, 17 Sep 2021 15:11:49 -0700	[thread overview]
Message-ID: <20210917221149.GC3365@mcvoy.com> (raw)
In-Reply-To: <YUUCrnhAFKtkwrQh@clarinet.employees.org>

On Fri, Sep 17, 2021 at 10:03:42PM +0100, Derek Fawcus wrote:
> On Fri, Sep 17, 2021 at 11:07:10AM -0700, Larry McVoy wrote:
> > 
> > Apple, much to my surprise, has been thinking about this stuff.
> > The M1 is one of the better thought out chips in a long time.
> 
> > I especially liked the idea of slow (and low battery draw)
> > processors for some apps, and fast ones for apps that need
> > fast.  It's an obvious idea in retrospect but I hadn't thought
> > to do it that way.  Clever.
> 
> I'd suggest that is not Apple, but ARM.  That was sort of the whole
> point of their BIG.little architecture with performance and efficiency
> cores.

Credit to ARM, but M1 was where I saw it first.  The M1 performance is
pretty impressive as well.  Reminds me of LED bulbs: "Wait, these are
brighter, use less power, and cost less?  How is that a thing?"

  reply	other threads:[~2021-09-17 22:12 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-01 21:58 Dan Cross
2021-09-02  8:42 ` Tony Finch
2021-09-03  0:19   ` John Cowan
2021-09-03  3:24     ` Douglas McIlroy
2021-09-03 13:21       ` Theodore Ts'o
2021-09-08 11:14         ` Tony Finch
2021-09-16 19:27         ` Dan Cross
2021-09-17  0:34           ` Theodore Ts'o
2021-09-17  0:44             ` Larry McVoy
2021-09-17 17:07               ` Bakul Shah
2021-09-17  1:33             ` Dan Cross
2021-09-02 15:41 ` Kevin Bowling
2021-09-02 20:12   ` Marshall Conover
2021-09-03 15:56 ` Warner Losh
2021-09-03 17:10   ` Adam Thornton
2021-09-03 17:28     ` Larry McVoy
2021-09-03 17:42       ` John Floren
2021-09-03 19:02       ` Lawrence Stewart
2021-09-03 19:11       ` Clem Cole
2021-09-03 17:46     ` [TUHS] ATC/OSDI'21 joint keynote: It's Time for Operating Systems to Rediscover Hardware [ really a comment on SoCs ] Jon Steinhart
2021-09-16 18:38 ` [TUHS] ATC/OSDI'21 joint keynote: It's Time for Operating Systems to Rediscover Hardware (Timothy Roscoe) Dan Cross
2021-09-16 19:34   ` Jon Steinhart
2021-09-16 19:41     ` Larry McVoy
2021-09-16 23:14       ` Marshall Conover
2021-09-16 23:44         ` Rob Pike
2021-09-17  0:37           ` Larry McVoy
2021-09-17  1:38         ` Jon Steinhart
2021-09-17  3:54         ` John Cowan
2021-09-16 23:45       ` Jon Steinhart
2021-09-17  0:06         ` Al Kossow
2021-09-17  4:06           ` John Cowan
2021-09-17  4:18             ` Al Kossow
2021-09-17  0:32         ` Larry McVoy
2021-09-16 23:54       ` David Arnold
2021-09-17  1:10         ` Jon Steinhart
2021-09-17  1:28           ` Larry McVoy
2021-09-17  1:40             ` Jon Steinhart
2021-09-17  2:04               ` Larry McVoy
2021-09-17  2:21                 ` Jon Steinhart
2021-09-17  2:48           ` Theodore Ts'o
2021-09-17 17:39         ` Bakul Shah
2021-09-17 17:51           ` Jon Steinhart
2021-09-17 18:07             ` Larry McVoy
2021-09-17 21:03               ` Derek Fawcus
2021-09-17 22:11                 ` Larry McVoy [this message]
2021-09-19  4:05                   ` Theodore Ts'o
2021-09-17 18:34             ` Bakul Shah
2021-09-17 18:56               ` Jon Steinhart
2021-09-17 19:16                 ` Bakul Shah
2021-09-17 19:35                   ` Jon Steinhart
2021-09-17 15:56     ` Bakul Shah
2021-09-17 18:24       ` ron minnich

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