Re: C23 thoughts and opinions

Liste des GroupesRevenir à cl c  
Sujet : Re: C23 thoughts and opinions
De : ldo (at) *nospam* nz.invalid (Lawrence D'Oliveiro)
Groupes : comp.lang.c
Date : 14. Jun 2024, 04:20:37
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <v4gcu4$2n6a7$3@dont-email.me>
References : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
User-Agent : Pan/0.158 (Avdiivka; )
On Fri, 7 Jun 2024 02:52:56 -0500, BGB wrote:

On 6/6/2024 7:57 PM, Lawrence D'Oliveiro wrote:
>
On Wed, 5 Jun 2024 04:01:28 -0500, BGB wrote:
 
For my bounds-checking in C, there are no syntactic changes to C.
 
But how efficient is it? Those research papers I mentioned reported
being able to get the execution overhead in Pascal down to something
like 5-10%.
 
Also somewhere around a 10% slowdown in this case, but this was with
dedicated ISA level support and various specialized helper instructions
(to check/set/adjust the pointer bounds bits).

Yeah, see, Pascal was able to do it without all that.

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