[Bf-committers] Code optimisation

[Jasper Mine]

What a tease that Douglas Bischoff!

jsplifer


On Apr 22, 2004, at 6:21 PM, Douglas Bischoff wrote:

> On Apr 22, 2004, at 17:57, Kenneth Styrberg wrote:
>
>> Hi, I did some optimisation in interface_draw.c. I havn't tested how 
>> much it improves performance, at least the code looks  a tiny winy 
>> bit cleaner. Maybe all compilers do this optimisation at compile 
>> time?
>
> Hmmmm... this one sounds like a potential candidate for vector 
> optimization.
>
> Any time there's a series of equations which all operate the same but 
> on different input variables you can create a vector equation. Modern 
> chips have vector acceleration routines which make this stuff much 
> faster. I'm no expert (heh) and couldn't find anywhere to really START 
> looking for this kind of thing, but if someone were serious about it 
> they'd probably find some references on the web about vector 
> computations and how it might be applied to, say, the rendering 
> engine.
>
> Just a though,
>
> -Bish
>
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