malexander
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Do you have a power supply that's in the 800W+ range? Usually if things are shutting down without warning it's a power supply issue.
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[Solved] Getting list of active MPlay session from the main Houdini process?
malexander replied to violalyu's topic in Scripting
Yep, that sounds like a race condition. Have you tried just setting the env variables in python (putenv)? When Houdini spawns MPlay, MPlay inherits all the environment variables that were set. Otherwise I suppose you could wait until the .flipbook_lock file appears, and then run the flipbook, as it's MPlay that creates the lockfile. -
[Solved] Getting list of active MPlay session from the main Houdini process?
malexander replied to violalyu's topic in Scripting
You can determine which mplay sessions Houdini is linked to for flipbooking and rendering by looking at $HOME/houdiniX.Y/.flipbook_lock.<hostname> and .mplay_lock.<hostname> (if they exist). The first number is the process ID of the connected mplay session. -
support for latest 400.xx Nvidia driver
malexander replied to art3mis's topic in General Houdini Questions
Yes, 410 works. -
It's being looked at. In the meantime, turn off SubD curves on the hairgen objects.
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It's in the Optimization tab of the Display Options.
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The shadow is the individual bounding boxes of the instances being culled. It looks like a solid blob because they're all overlapping. This is a feature that prevents instancing from generating a massive number of polygons to draw, which can slow your redraws down (and if you're on Windows, cause the driver to reset). You can tweak the Scene Polygon Limit to balance redraw speed with the # of instances actually drawn.
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Create the visualizer in the Common section, then in the Display Options click "Save as Default". I would suggest doing this in a fresh session to avoid any display option contamination from a hip file.
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You can also think of vectors in 1D - just a simple number line. 2+3 = 5. You start at zero and go to 2 (A). B then goes 3 units to the right (2->5). So the total vector is 5. You original example just extends that number line into 2 dimensions (2 number lines. which you can solve independently), and if you're dealing with 3D vectors, then you get an additional number line.
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Will RT and tensor cores on RTX2080ti be utilized by GPU renderers right away.?
malexander replied to eebling's topic in Hardware
Tensor cores are only good for doing 16b FP matrix multiplication, which is only useful if you're running some sort of machine learning algorithm that uses this sort of neural net processing. So it could be good for noise reduction. The RT cores appear to be only generally accessible via CUDA, DX12 or Vulkan (or via Nvidia's OPTIX library). As for the VRAM, anything bigger than 11GB appears to be reserved for the Quadros. -
https://techreport.com/news/34008/nvidia-announces-geforce-rtx-2080-ti-rtx-2080-and-rtx-2070 Unless you're replacing a very old card, I'd wait to see what kind of support RTX has in the wild. Be a shame to have all those RT cores sitting idle. Edit: replaced with official link
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If you mean into 1 movie, no.
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Have you noticed that the viewport is sluggish with the scenes you're using? If not, you can limp along with the 960 for a while until you notice it becoming a bottleneck. If you're going amd, the threadripper 2950X looks like a great value. If that's a bit rich for you, a Ryzen will do just fine. I'd recommend 32GB for a new system.
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Nvidia's Optix library is probably the most accessible way to get at those new RT cores from a non-GPU renderer. CUDA targets the existing shader cores, though I suspect there's probably a CUDA lib which handles dispatching to the RT cores (there is one such lib for dispatching to the Tensor cores).
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Real time ray tracing & Nvidia's new RTX architecture
malexander replied to art3mis's topic in Lounge/General chat
Ah, the days when a $5000 Quadro 6000 seemed like a lot...
