.:: Bots United ::. - View Single Post

sfx1999 · **Re: c++ optimised vector class -** 01-08-2004

Instead of using SSE/SSE2 did you try just using plain old assembly (486)?

One thing you should know, when MMX did math it used something called register aliasing. It used the same registers as FPU math. So mixing MMX and FPU instructions can cause slowdown. I don't know if this is true with SSE or not.

	(#6)
sfx1999 Member Status: Offline Posts: 534 Join Date: Jan 2004 Location: Pittsburgh, PA, USA	Re: c++ optimised vector class - 01-08-2004 Instead of using SSE/SSE2 did you try just using plain old assembly (486)? One thing you should know, when MMX did math it used something called register aliasing. It used the same registers as FPU math. So mixing MMX and FPU instructions can cause slowdown. I don't know if this is true with SSE or not.