On 01/07/2019 17:00, Charlie Gibbs wrote:
> On 2019-07-01, A  Dumas  wrote:
>
>> The Natural Philosopher  wrote:
>>
>>> On 01/07/2019 10:59, Richard Kettlewell wrote:
>>>
>>>> The Natural Philosopher  writes:
>>>>
>>>>> On 01/07/2019 08:32, Richard Kettlewell wrote:
>>>>>
>>>>>> The Natural Philosopher  writes:
>>>>>>
>>>>>>> On 30/06/2019 21:02, Richard Kettlewell wrote:
>>>>>>>
>>>>>>>> For both Intel and ARM the 64-bit instruction sets double the number
of
>>>>>>>> architectural GPRs.
>>>>>>>
>>>>>>> Ground penetrating radars?
>>>>>>
>>>>>> General Purpose Registers.
>>>>>
>>>>> I know that. But who else does?
>>>>
>>>> People who are interested enough in assembly language to learn some of
>>>> the associated terminology.
>>>>
>>>> (People are aren’t interested in assembly presumably don’t care about
>>>> the detailed differences between instruction sets.)
>>>
>>> Ok, but there is a lot of assumption in there :-)
>>
>> E.g. I used to do assembler programming (long ago) but only after saw the
>> explanation did I go: ah yes.
>
> This brings us to an important rule of writing: if you're going to use
> an acronym or abbreviation - especially if it's not in wide use - write
> it out in full the first time, preferably followed by the abbreviation
> in parentheses.  Afterwards you can use the abbreviation alone and the
> reader will be sure to know what it means.
>
> If you're only using the term once, don't waste your (or the reader's)
> time by abbreviating it at all.
>
Exactly. I've done loads of assembler, and know what general purpose
registers are but I had to think a bit before I associated 'GPR' with them.

Anyway beck to the thread: I stand by my statement that unless you are
masively compute bound running a 32 bit OS wont slow you down too much,
you only have 4GB to address anyway, so no need for 64 bit there, and in
reality whacking in an SSD is probably all you need to do to get a very
acceptable general purposes desktop system



And of couyrse its not erleavant to an absteraqct discussion about 64
bit processors, since its is ARM specific (and maybe one or tow others).



--
“Those who can make you believe absurdities, can make you commit
atrocities.”

― Voltaire, Questions sur les Miracles à M. Claparede, Professeur de
Théologie à Genève, par un Proposant: Ou Extrait de Diverses Lettres de
M. de Voltaire

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