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1. Re: Shader Profiling/Performance Measurement?

   

   Reply by Ace-Angel · Sep 2012 · Home› Unreal Engine

   That's just an example of how Mul a number by itself manually has performance > using the Power node, unless you use a Power of 2, it doesn't serve a purpose.

2. Re: Shader Profiling/Performance Measurement?

   

   Reply by EmAr · Sep 2012 · Home› Unreal Engine

   Thanks for the info sprunghunt, now it makes sense. I remember reading that PS3 would perform better with workarounds involving Lerp nodes instead of direct use of if nodes. I guess that's just one example.

3. Re: Shader Profiling/Performance Measurement?

   

   Reply by EmAr · Sep 2012 · Home› Unreal Engine

   He was not multiplying a constant, he was using a number which comes from another part of the material. I just tried to isolate the example. Sorry for the confusion. I checked it out and I think what the material editor does here is that it uses one less instruction when the result of the power node is 1 by definition(Exp…