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From: Stephen Fuld <sfuld@alumni.cmu.edu.invalid>
Newsgroups: comp.arch
Subject: Re: Retirement hobby (was Re: 80286 protected mode)
Date: Mon, 28 Oct 2024 10:12:08 -0700
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On 10/28/2024 9:30 AM, Thomas Koenig wrote:
> MitchAlsup1 <mitchalsup@aol.com> schrieb:
> 
>> In posits, a quire is an accumulator with as many binary digits
>> as to cover max-exponent to min-exponent; so one can accumulate
>> an essentially unbounded number of sums without loss of precision
>> --to obtain a sum with a single rounding.
> 
> Not restricted to posits, I believe (but the term may differ).
> 
> At university, I had my programming
> courses on a Pascal compiler which implemented
> https://en.wikipedia.org/wiki/Karlsruhe_Accurate_Arithmetic ,
> a hardware implementation was on the 4361 as an option
> https://en.wikipedia.org/wiki/IBM_4300#High-Accuracy_Arithmetic_Facility

Another newer alternative.  This came up on my news feed.  I haven't 
looked at the details at all, so I can't comment on it.

https://arxiv.org/abs/2410.03692

-- 
  - Stephen Fuld
(e-mail address disguised to prevent spam)