Re: These days what percentage of a CPU's work involves doing arithmetic computations versus other, non-arithmetic computations?

Path	csiph.com!xmission!usenet.csail.mit.edu!news.iecc.com!.POSTED.news.iecc.com!nerds-end
From	Derek Jones <derek@NOSPAM-knosof.co.uk>
Newsgroups	comp.compilers
Subject	Re: These days what percentage of a CPU's work involves doing arithmetic computations versus other, non-arithmetic computations?
Date	Mon, 19 Jul 2021 15:35:30 +0100
Organization	Compilers Central
Lines	11
Sender	news@iecc.com
Approved	comp.compilers@iecc.com
Message-ID	<21-07-022@comp.compilers> (permalink)
References	<21-07-004@comp.compilers>
Mime-Version	1.0
Content-Type	text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding	8bit
Injection-Info	gal.iecc.com; posting-host="news.iecc.com:2001:470:1f07:1126:0:676f:7373:6970"; logging-data="24142"; mail-complaints-to="abuse@iecc.com"
Keywords	architecture, history
Posted-Date	19 Jul 2021 12:15:19 EDT
X-submission-address	compilers@iecc.com
X-moderator-address	compilers-request@iecc.com
X-FAQ-and-archives	http://compilers.iecc.com
In-Reply-To	<21-07-004@comp.compilers>
Content-Language	en-US
Xref	csiph.com comp.compilers:2687

Show key headers only | View raw

Roger,

 > As I understand it, computers were originally designed to do arithmetic
 > computations and in the old days nearly 100% of a CPU's work involved
 > arithmetic computations.
Knight did lots of work trying to compare computer performance,
which required measuring instruction usage across the most common
kinds of applications.

Links to his papers and some data here:
http://shape-of-code.coding-guidelines.com/2016/04/30/costperformance-analysis-of-1944-1967-computers-knights-data/

Back to comp.compilers | Previous | Next — Previous in thread | Next in thread | Find similar

Thread

These days what percentage of a CPU's work involves doing arithmetic computations versus other, non-arithmetic computations? Roger L Costello <costello@mitre.org> - 2021-07-14 18:30 +0000
  Re: These days what percentage of a CPU's work involves doing arithmetic computations versus other, non-arithmetic computations? gah4 <gah4@u.washington.edu> - 2021-07-15 02:31 -0700
    Re: These days what percentage of a CPU's work involves doing arithmetic computations versus other, non-arithmetic computations? Hans-Peter Diettrich <DrDiettrich1@netscape.net> - 2021-07-15 22:02 +0200
    Re: These days what percentage of a CPU's work involves doing arithmetic computations versus other, non-arithmetic computations? "Robin Vowels" <robin51@dodo.com.au> - 2021-07-16 14:47 +1000
    Re: fast arithmetic hardware, was These days what percentage of a CPU's work involves doing arithmetic computations gah4 <gah4@u.washington.edu> - 2021-07-15 23:49 -0700
      Re: fast arithmetic hardware, was These days what percentage of a CPU's work involves doing arithmetic computations George Neuner <gneuner2@comcast.net> - 2021-07-16 16:22 -0400
  Re: These days what percentage of a CPU's work involves doing arithmetic computations versus other, non-arithmetic computations? "Robin Vowels" <robin51@dodo.com.au> - 2021-07-16 15:12 +1000
    Re: ancient floating point, These days what percentage of a CPU's work involves doing arithmetic computations Philipp Klaus Krause <pkk@spth.de> - 2021-07-16 18:31 +0200
      Re: ancient floating point, These days what percentage of a CPU's work involves doing arithmetic computations Hans-Peter Diettrich <DrDiettrich1@netscape.net> - 2021-07-17 23:14 +0200
  Re: These days what percentage of a CPU's work involves doing arithmetic computations versus other, non-arithmetic computations? Derek Jones <derek@NOSPAM-knosof.co.uk> - 2021-07-19 15:35 +0100
  Re: These days what percentage of a CPU's work involves doing arithmetic computations versus other, non-arithmetic computations? "minf...@arcor.de" <minforth@arcor.de> - 2021-07-27 14:07 -0700

csiph-web