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Blender 2.7 Tutorial #70: Speeding Up Cycles & GPU Rendering with CUDA #b3d

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In this Blender 2.7 Tutorial #70 I cover:

– How to Speed up rendering on your computer, whether you use your CPU (processor) as your render device, or your NVIDIA Video Card.
– Settings including the number of samples, light bounces, tile size and tile order.
-How to best utilize your nvidia geforce gtx video card with its proprietary CUDA technology in Blender to greatly speed up your renders.

LINK to DOWNLOAD .blend scene file: https://goo.gl/vkbLMr

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34 responses to “Blender 2.7 Tutorial #70: Speeding Up Cycles & GPU Rendering with CUDA #b3d”

  4. Humor me and use your GPU on this same scene and set your tile size to 270×360. I bet it will be even quicker. I have figured something out that works for CPUs and GPUs on every machine I have ever tried. All the rendering tiles need to be the same size. You might think they are but the mere fact 64×64 or 16×16 or even 512×512 does not perfectly fit the frame size, means that at the edges, there will be partial tile sizes.

    If the width and height of the tiles are evenly divisible into the total frame size and as close to square as possible, it will shave a few more seconds off.

  7. WOW! Thanks so much! I had my square size on 64 and my brand new 1080ti was not going nearly as fast as I expected. Increased the size to 256 and my render time for a scene went from 100 seconds to 30!!!

  21. borncg. amd came with a new gpu (ces 2017) and appearently (pretty sure I didnt spell that right) its really good for rendering. Like its so fast it renders in frames per second. but probably with 100 samples or smth. would it work with blender because my amd r7 240 (potato) maked everything dark. Eitherway I tweeked some changes on blender (notepad .dll stuff) so it works. so thats why it wouldn't work but what if its the same with this one. cuz I wouldnt buy it then

  23. Thanks! I'm just starting with blender and in episode #11 you mentioned GPU rendering, so I went searching and found…you again :). I only have a simple A10-7800 CPU and I'm glad I can now render with my GTX 1070! Saves lots of time!

  24. There's an addon (supplied with the current release at least) that will set the tile size automatically to the most efficient dimensions based on your CPU, GPU and resolution settings. Pretty neat for the clinically lazy like me.

  30. Can you make an advanced physics tank rig? I found a video but I would love to see it from you. I watched the video but I just couldn't do it the same way, I guess because of how my tank is built. I would love to do the same thing as the video but it seems to be complicated and requires more geometry in order to achieve. I won't put the video link in here because I am afraid that it might mark my comment as spam, instead search for this in YouTube: blender Tank Tracks Rig Tutorial/Workflow (full movement). It is made by Mc Gavish, he got 2 videos where he shows an animation with this rig. I would love to achieve the same thing but with simpler geometry and possible rig, like this: Blender tank animation (it is the video with the green tank)

    Thank in advance!

  33. I'm using a mac desktop and it says it has "NVIDIA GeForce GT 640M 512 MB" for graphics. Blender recognizes it but when I try to render it says "loading render kernels", then it says OpenCL build failed: errors in console. Basically it won't render the scene. Are iMacs just not compatible yet? 🙁

  34. Don't listen to all the nay sayers the Audio Tone, Volume etc. were as usual spot on, just like all the others. I also really like the way you instruct, if your not a professional Teacher it would suit you. I especially like how you get into the nuances of the areas that you are speaking of. It is a much easier way for me to learn when it comes in small extensive bites like you teach than just an overall generalization of everything, which is helpful for a walk through but not for deeper learning.

    In other words I likie the hand holding while I learn 😛 Thanks!

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