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From: "Andreas Röhler" <andreas.roehler@online.de>
To: Davis Herring <herring@lanl.gov>
Cc: "Alan Mackenzie" <acm@muc.de>, "Eli Zaretskii" <eliz@gnu.org>,
	"Clément Pit--Claudel" <clement.pit@gmail.com>,
	emacs-devel@gnu.org
Subject: Re: C and Emacs Lisp code parts
Date: Tue, 5 Jul 2016 21:35:31 +0200	[thread overview]
Message-ID: <179f7b7a-565a-d993-81bc-03fa68e41059@online.de> (raw)
In-Reply-To: <577BE815.9050805@lanl.gov>



On 05.07.2016 19:02, Davis Herring wrote:
>
> Amdahl's law is not so limited: see more precisely 
> <https://en.wikipedia.org/wiki/Amdahl%27s_law#Speedup_in_a_serial_program>.
>
> Spelled out explicitly: if, in some context, we spend only (say) 20% 
> of our time running Lisp code (vs., say, redisplay), then we can 
> improve the speed of that context by no more than 25% by rewriting 
> that Lisp in any fashion whatsoever (including C).
>
> Davis
>

Ah, see, thanks! So it should be not even be specific to computers, but 
also apply when cleaning a car, care for a garden etc.



  reply	other threads:[~2016-07-05 19:35 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-01  8:03 C and Emacs Lisp code parts Andreas Röhler
2016-07-01  8:13 ` Eli Zaretskii
2016-07-01  8:39   ` Andreas Röhler
2016-07-01  9:16     ` Alan Mackenzie
2016-07-01 12:07       ` Andreas Röhler
2016-07-01 13:04         ` Eli Zaretskii
2016-07-05 22:48           ` John Wiegley
2016-07-06  7:25             ` bug#14518: " Andreas Röhler
2016-07-06  7:25             ` Andreas Röhler
2016-07-06  7:31               ` Andreas Röhler
2016-07-06 14:01               ` bug#14518: " Noam Postavsky
2016-07-06 14:52               ` Eli Zaretskii
2013-05-31  9:30                 ` bug#14518: abbrev edits - delay when saving Andreas Röhler
2013-06-01  3:01                   ` Leo Liu
2013-06-01  5:52                     ` Andreas Röhler
2013-06-05 10:11                     ` Andreas Röhler
2013-06-05 13:12                       ` Stefan Monnier
2013-06-05 17:02                         ` Glenn Morris
2013-06-05 17:20                           ` Andreas Röhler
2013-06-07  1:43                           ` Glenn Morris
2013-06-07  5:38                             ` Andreas Röhler
2013-06-07  7:13                               ` Glenn Morris
2013-06-07  7:41                                 ` Andreas Röhler
2016-07-06 15:44                   ` bug#14518: C and Emacs Lisp code parts Glenn Morris
2016-07-06 16:15                     ` Eli Zaretskii
2016-07-06 22:36                       ` John Wiegley
2016-07-07  7:33                         ` Andreas Röhler
2016-07-07 15:16                           ` Eli Zaretskii
2016-07-06 16:21                     ` Andreas Röhler
2016-07-06 16:37                       ` Eli Zaretskii
2016-07-06 17:27                         ` Andreas Röhler
2016-07-06 17:35                           ` Eli Zaretskii
2016-08-05 23:38                   ` bug#14518: Status: abbrev edits - delay when saving npostavs
2016-12-07 19:56                     ` Glenn Morris
2016-07-06 15:27               ` C and Emacs Lisp code parts Phillip Lord
2016-07-06 15:27               ` bug#14518: " Phillip Lord
2016-07-01  9:17     ` John Wiegley
2016-07-01 13:26       ` Andreas Röhler
2016-07-01  9:25     ` Eli Zaretskii
2016-07-01 12:25       ` Andreas Röhler
2016-07-01 13:01         ` Eli Zaretskii
2016-07-01 13:05         ` Andy Moreton
2016-07-01 15:14           ` Karl Fogel
2016-07-01 16:52             ` Andreas Röhler
2016-07-01 17:13               ` Eli Zaretskii
2016-07-01 17:36                 ` Andreas Röhler
2016-07-01 17:38                   ` Eli Zaretskii
2016-07-02 16:41                     ` Fabrice Popineau
2016-07-02 17:16                       ` Eli Zaretskii
2016-07-01 17:55                   ` Alan Mackenzie
2016-07-01 18:31                     ` Andreas Röhler
2016-07-01 18:57                       ` Alan Mackenzie
2016-07-01 20:04                         ` Andreas Röhler
2016-07-01 20:31                           ` Davis Herring
2016-07-02  6:34                             ` Andreas Röhler
2016-07-02 11:29                               ` Paul Eggert
2016-07-05 17:02                               ` Davis Herring
2016-07-05 19:35                                 ` Andreas Röhler [this message]
2016-07-02  6:32                           ` Eli Zaretskii
2016-07-02  7:01                             ` Andreas Röhler
2016-07-02  8:15                               ` Eli Zaretskii
2016-07-02  3:32 ` Tom Tromey
2016-07-02  3:42   ` Clément Pit--Claudel

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