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Re: CLN, GMP inputs
From: |
Hans Aberg |
Subject: |
Re: CLN, GMP inputs |
Date: |
Fri, 11 May 2001 11:02:15 +0200 |
At 08:24 +1000 2001/05/11, Kevin Ryde wrote:
>> If a CPU would support instructions for
>> +, -, *: 1-register x 1-register -> 2-register
>> then the small number representations could be made very fast. (But I am
>> told that many CPU's do not support that.)
>
>Overflow detection is always possible, whether it's particularly
>convenient or not is another question.
If only overflow detection is available, I think that will help a lot,
because it can help making the small nums fast. Once one gets an overflow,
one knocks on a lot of cycles because of the memory allocation, so then it
does not matter much about inconvenience (from the point of view of speed).
Hans Aberg
- Re: CLN, GMP inputs, (continued)
- Re: CLN, GMP inputs, Kevin Ryde, 2001/05/02
- Re: CLN, GMP inputs, Hans Aberg, 2001/05/03
- Re: CLN, GMP inputs, Kevin Ryde, 2001/05/05
- Re: CLN, GMP inputs, Hans Aberg, 2001/05/05
- Re: CLN, GMP inputs, Kevin Ryde, 2001/05/05
- Re: CLN, GMP inputs, Hans Aberg, 2001/05/06
- Re: CLN, GMP inputs, Hans Aberg, 2001/05/06
Re: CLN, GMP inputs, Hans Aberg, 2001/05/03
Re: CLN, GMP inputs, Hans Aberg, 2001/05/07