V-Ray gives the user the option to choose where the buckets will start rendering and the order they’ll render from that starting point. So except for very rare scenarios, there’s no practical reason to change the default bucket shape. We tested this against non-square bucket shapes and square buckets simply rendered faster than non-squares. This gets a little mathematical and computer science-y but doing this leads to better computing efficiency for the CPU and therefore faster render times.Īlso, V-Ray sets the bucket shape as a square by default. A quick note on bucket size and shapeīased on our tests, it’s better to set your bucket size to numbers that are powers of 2 (512 = 2x2x2x2x2x2x2x2x2) or 3 times the powers of 2 (48 = 3x2x2x2x2). If you are not sure, better to stick to the smaller default of 48 pixels.
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Pro tip: to avoid issues when rendering high-resolution still images on cloud farms, make sure first that your image is going to be rendered on a single node before you try a bigger bucket size (256 or 512 pixels). With this said however, later we will see that smaller bucket sizes can play a role in solving problematic hanging buckets (but again, never so small as 1-2 pixels per bucket). Simply put, we never recommend setting your bucket size to 1 or 2 pixels.
If you are using a render farm like GarageFarm.NET for rendering, you get access to more processors and therefore more buckets that are simultaneously rendering an image resulting in faster render times.