With less noise you require less samples to achieve the same level of quality, hence taking less time to calculate, which may result in faster rendering. That being said, for Cycles (and path tracing in general), there are a few setups that are slightly faster to calculate, and additionally there are numerous ways you can optimize your scene so it generates less noise. Faster renders always come at a cost of one of them, you generally sacrifice either render quality, money, or scene complexity. If you can't front the cash or prefer not to own it, rent computing power (a render farm, web services etc.).įinal rendering speed is mostly a sum of variables like the performance capabilities of the infrastructure (computer, farm, available devices, among others), available resources, desired level of quality and scene complexity. Time is money, if your are serious about rendering, if work depends on it, if you are making money from of it, or you are interested enough in your hobby invest in better hardware. Match your expectations to your hardware, or match your hardware to your expectations. It takes time, a lot of time and resources, rendering animations even more so so be prepared to wait. These can add up frame upon frame when rendering long animations, yielding more significant benefits though, but don't expect miracles. While these can under certain situations make a significant difference, they will most often lead to marginal speedups compared to the total duration of the process. You can optimize your scene, tweak settings, and adjust parameters. You can't just "render faster" for the most part, there are really no shortcuts or magical tricks.
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