Things get muddled, however, by all the genius poured into Algorithms by both camps, and by the advancements in Hardware and Standards (APIs and such), so take the example above with a pinch of salt: some tech especially suited for GPU or CPU may give one or the other some advantage at some specific task. by complex shaders, by very long paths which require many choices to be made along each vertex.), then the CPU would be distinctly faster, and vastly more graceful in the scaling as the load grew, most of the time. However, if you were to benchmark other type of scenes, where the task is made complicated (f.e. So, if you were to benchmark a scene with diffuse+spec and some texture, you'd likely find the GPU to be vastly more efficient on the way to convergence, most of the time. There is no single engine out there which can claim parity between CPU and GPU across the board (Although some do so in the big titles, all become tamer in the small prints.), and as such, comparisons become difficult in the best of cases, meaningless in *many* other.įurther to this, the two compute types favour some type of tasks over others. In the current state of affairs, a comparison isn't really possible. The goal could be to show three scene and per GPU/CPU and nearly the same final result should be reached.There will forever be disagreement on the meaning of "Nearly". I would be curious to see a comparison too.
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