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devel / comp.lang.forth / 16 bit floats

SubjectAuthor
* 16 bit floatsStephen Pelc
+* Re: 16 bit floatsClive Arthur
|`- Re: 16 bit floatsClive Arthur
`- Re: 16 bit floatsminforth

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16 bit floats

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From: stephen@vfxforth.com (Stephen Pelc)
Newsgroups: comp.lang.forth
Subject: 16 bit floats
Date: Thu, 28 Dec 2023 11:36:53 -0000 (UTC)
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 by: Stephen Pelc - Thu, 28 Dec 2023 11:36 UTC

16 bit floats are increasingly available on modern desktop CPUs.

Does anyone use these or want to use these in Forth?

Stephen
--
Stephen Pelc, stephen@vfxforth.com
MicroProcessor Engineering, Ltd. - More Real, Less Time
133 Hill Lane, Southampton SO15 5AF, England
tel: +44 (0)78 0390 3612, +34 649 662 974
http://www.mpeforth.com - free VFX Forth downloads

Re: 16 bit floats

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From: clive@nowaytoday.co.uk (Clive Arthur)
Newsgroups: comp.lang.forth
Subject: Re: 16 bit floats
Date: Thu, 28 Dec 2023 12:42:05 +0000
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 by: Clive Arthur - Thu, 28 Dec 2023 12:42 UTC

On 28/12/2023 11:36, Stephen Pelc wrote:
> 16 bit floats are increasingly available on modern desktop CPUs.
>
> Does anyone use these or want to use these in Forth?
>
> Stephen

Byte, Shirley?

--
Cheers
Clive

Re: 16 bit floats

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From: minforth@gmx.net (minforth)
Newsgroups: comp.lang.forth
Subject: Re: 16 bit floats
Date: Thu, 28 Dec 2023 14:34:46 +0000
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 by: minforth - Thu, 28 Dec 2023 14:34 UTC

Stephen Pelc wrote:
> 16 bit floats are increasingly available on modern desktop CPUs.
> Does anyone use these or want to use these in Forth?

I am guessing that compact AI matrices are the main driver today
behind flaot16 formats. What else can you do with a 10 bit mantissa?
Or even only 7 mantissa bits for bfloat16.

FWIW I am using 24 bit floats because they are well suited for
AD/DA conversion with de/normalisation of signal vectors.

Re: 16 bit floats

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From: clive@nowaytoday.co.uk (Clive Arthur)
Newsgroups: comp.lang.forth
Subject: Re: 16 bit floats
Date: Thu, 28 Dec 2023 16:13:44 +0000
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 by: Clive Arthur - Thu, 28 Dec 2023 16:13 UTC

On 28/12/2023 12:42, Clive Arthur wrote:
> On 28/12/2023 11:36, Stephen Pelc wrote:
>> 16 bit floats are increasingly available on modern desktop CPUs.
>>
>> Does anyone use these or want to use these in Forth?
>>
>> Stephen
>
> Byte, Shirley?
>
I stand corrected! 16 bit floats, whodathunkit?

--
Cheers
Clive

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