From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Everything You Know Is Wrong
Date: Mon, 28 Dec 2015 18:30:26 +0100
Date: 2015-12-28T18:30:26+01:00 [thread overview]
Message-ID: <n5rrjq$gg3$1@speranza.aioe.org> (raw)
In-Reply-To: alpine.DEB.2.11.1512281721030.14144@Lydia.insomnia247.nl
On 2015-12-28 17:27, Nicholas Collin Paul de Gloucester wrote:
> Reducing energy consumption is not a novel ideal. E.g. I quote from a
> review by me of Petru Eles; Krzysztof Kuchcinski; and Zebo Peng,
> "System Synthesis with VHDL", Kluwer Academic Publishers (
> WWW.ACCU.org/index.php?module=bookreviews&func=search&rid=1291 )
> which was published in "CVu", Volume 16, Number 2:
> "[. . .]
>
> I learnt from the low-power synthesis chapter that two's complement is
> believed to consume more power than sign-magnitude due to the high
> level of switching needed if a variable/signal toggles between
> positive and negative often.
That is not the goal of energy saving agenda, which is doing less
computations, e.g. by turning off some circuits or reducing frequency. I
don't think anybody would seriously consider this an advantage. From the
SW POV it is only more complexity, less safety etc.
--
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de
next prev parent reply other threads:[~2015-12-28 17:30 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-27 0:37 Everything You Know Is Wrong Jeffrey R. Carter
2015-12-27 7:55 ` J-P. Rosen
2015-12-27 17:37 ` Jeffrey R. Carter
2015-12-27 8:46 ` Dmitry A. Kazakov
2015-12-27 17:36 ` Jeffrey R. Carter
2016-01-04 14:44 ` Alejandro R. Mosteo
2015-12-28 9:57 ` Georg Bauhaus
2015-12-28 11:19 ` Dmitry A. Kazakov
2015-12-28 16:27 ` Nicholas Collin Paul de Gloucester
2015-12-28 17:30 ` Dmitry A. Kazakov [this message]
2015-12-28 18:50 ` Nicholas Collin Paul de Gloucester
2015-12-28 20:40 ` Dmitry A. Kazakov
2015-12-29 11:42 ` G.B.
2015-12-29 12:36 ` Dmitry A. Kazakov
2015-12-29 13:50 ` G.B.
2015-12-29 14:06 ` J-P. Rosen
2015-12-29 14:16 ` Dmitry A. Kazakov
2015-12-29 16:31 ` Dennis Lee Bieber
2015-12-29 17:02 ` G.B.
2015-12-29 16:57 ` G.B.
2015-12-29 17:36 ` Dmitry A. Kazakov
2015-12-29 17:53 ` G.B.
2015-12-29 18:09 ` G.B.
2015-12-29 22:05 ` Randy Brukardt
2016-01-04 14:51 ` Alejandro R. Mosteo
2015-12-29 21:58 ` Randy Brukardt
2015-12-28 17:19 ` Nicholas Collin Paul de Gloucester
2015-12-29 23:37 ` darkestkhan
2016-01-05 13:52 ` brbarkstrom
2016-01-10 14:46 ` Michael Erdmann
2016-02-29 12:14 ` Jacob Sparre Andersen
2016-03-02 14:11 ` vincent.diemunsch
2016-03-02 14:23 ` J-P. Rosen
2016-03-02 15:44 ` Bob Brown
2016-03-02 16:30 ` J-P. Rosen
2016-03-02 16:36 ` Bob Brown
2016-03-02 16:52 ` Bob Brown
2016-03-02 14:32 ` Dmitry A. Kazakov
2016-03-02 15:31 ` vincent.diemunsch
2016-02-29 12:27 ` Jacob Sparre Andersen
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