Author: Vincent Diepeveen
Date: 16:46:29 09/15/01
Go up one level in this thread
On September 15, 2001 at 19:38:39, Bruce Moreland wrote: >On September 15, 2001 at 19:05:23, Vincent Diepeveen wrote: > >>But in general it matters so instead of wasting time figuring out >>when to optimize and when not, i always go for the optimizing with >>pointers! > >The reason I got involved is that you made it seem like an obvious thing. It >isn't always bad to index. > >Back in 1989 I sat in a conference room and listened to the Microsoft C guys >tell us how you could now write array indexing code without worrying about it. > >This was not strictly true, but things did get a lot better. > >>I remember some years ago i had diep like nearly 10% faster when i mixed >>chars with 32 bits integers. that's hell faster still today at all processors, >>but i simply rewrote everything to integers and i am more happy about it >>because i don't need to remember now whether something is 8 bits or 32 bits! > >I agree with this. I think you are in better shape if you try to confine math >operations to "natural" types such as "int" and "unsigned". > >bruce I heart rumours though that at the ia64 the signed integer operations are slower than unsigned operations :)
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.