Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail
From: Thomas Koenig <tkoenig@netcologne.de>
Newsgroups: comp.arch
Subject: Re: Keeping other stuff with addresses (was: What is an N-bit
 machine?)
Date: Thu, 2 Jan 2025 09:59:32 -0000 (UTC)
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Tim Rentsch <tr.17687@z991.linuxsc.com> schrieb:
> Thomas Koenig <tkoenig@netcologne.de> writes:
>
>> Tim Rentsch <tr.17687@z991.linuxsc.com> schrieb:
>>
>>> Thomas Koenig <tkoenig@netcologne.de> writes:
>>>
>>>> Tim Rentsch <tr.17687@z991.linuxsc.com> schrieb:
>>>>
>>>>> Thomas Koenig <tkoenig@netcologne.de> writes:
>>>>>
>>>>>> I think "ALU can add up to n-bit numbers" is a reasonable definition
>>>>>> for an n-bit architecture, which also fits the 16-bit 68000.
>>>>>> It does not fit the 360/30, or the Nova (but see de Castro's remark
>>>>>> on the latter).
>>>>>
>>>>> To me, the phrase "n-bit architecture" should depend only on such
>>>>> characteristics as are defined by the architecture, and not depend
>>>>> on features of a particular implementation.  The 360/30 has a 32-bit
>>>>> (or is it 64-bit?) architecture, but only an 8-bit implementation.
>>>>>
>>>>> If I may add a personal note, it's disappointing that postings in a
>>>>> group nominally devoted to computer architecture routinely ignore
>>>>> the distinction between architecture and implementation.
>>>>
>>>> I'm well aware of that distinction.
>>>
>>> I expect most of the folks who participate in comp.arch are
>>> aware of the distinction.  What I find disappointing are
>>> postings that ignore or blur the distinction, so it's hard
>>> to tell where one domain ends and the other begins.
>>
>> If you find discussions about how certain times were used
>> in the past disappointing... [..]
>
> That isn't what I said, nor was it what I meant.

If it walks like a duck...