Path: csiph.com!xmission!usenet.csail.mit.edu!news.iecc.com!.POSTED.news.iecc.com!nerds-end From: Hans-Peter Diettrich Newsgroups: comp.compilers Subject: Re: ancient floating point, These days what percentage of a CPU's work involves doing arithmetic computations Date: Sat, 17 Jul 2021 23:14:19 +0200 Organization: Compilers Central Lines: 10 Sender: news@iecc.com Approved: comp.compilers@iecc.com Message-ID: <21-07-020@comp.compilers> References: <21-07-004@comp.compilers> <21-07-012@comp.compilers> <21-07-016@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="38412"; mail-complaints-to="abuse@iecc.com" Keywords: architecture, history Posted-Date: 17 Jul 2021 17:42:32 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: <21-07-016@comp.compilers> Content-Language: de-DE Xref: csiph.com comp.compilers:2686 On 7/16/21 6:31 PM, Philipp Klaus Krause wrote: > [I've seen the replica Z1, which is entirely mechanical. I didn't realize > it used floating point. -John] Horst Zuse claims the Z1 had 22 bit floating point arithmetic. DoDi