I just upgraded from a 1080ti to a 3090 and I have a scene that was running at 7fps. Even with the upgrade it’s still running slowly. I have seven characters in the scene but even with four of them hidden I can’t get much more out of it.

Check the number of objects in your scene.  More than a dozen will bring ANY computer/GPU to its knees (I've had a 3090 for nearly a year and it still won't even render a scene I have that is only around 4GB... but with hundreds of objects.  Until I combine them into one object).

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Alienware Aurora R16, Win 11, i9-149000KF, 3.20GHz CPU, 64GB RAM, RTX 4090 (24GB), Samsung 870 Pro 8TB, Gen3 MVNe M-2 SSD, 4TBx2, 39" Alienware Widescreen Monitor
Mike "ex-genius" Kelley

I’ve seen you post that issue before. Does the number of characters affect it as well? Should I just combine all of the props?

I've been reading a lot of comments about upgrading GPU and not gaining much for the real-time render speed and scene handling.
Which makes me believe the GPU computing has very little to do with real-time render (except for the amount of VRAM - so you can feed larger scenes into).
Fastest CPU is what you are looking to get for fastest possible real-time render. Do not forget, a bottleneck could also be created if you slide a full blown 3090 into PC with slower CPU than it requires.
Google it - there are sites which could identify such a bottleneck according to your PC specs.

As oppose, for ray-tracing (Iray) (which rely solely on GPU computing) you'd see much more speed gain upgrading from GTX to the latest RTX for instance.

@shadybearbklyn
Kindly mention your CPU and RAM ?

I haven't actually tested this out - in the past, prior to my 3090, the max characters practical for iClone was about 3-4 (depending on the details).  4 or more was troublesome and after 5 you were just asking for trouble (I had one scene with 6 characters that would crash whenever I tried saving it, although I could render it just fine).  But I have not tested whether the 3090 allows you to work with more.

My gut tells me that it depends on the way the characters are constructed.  If you have, say, 5 "raw" characters (without clothing or accessories) then it *should* be fine as the 3090 will have the memory needed to handle things.  But props is still the biggest problem - more than a dozen can't be handled by ANY GPU (and it has nothing to do with your CPU or other computer characteristics - this problem with props is an iClone issue, not a computer specs issue.  It has been both proven and acknowledged by the devs - if you have a lot of props you will bring ANY system down to its knees, but if you combine them all into one all will then be well, independent of RAM load).

I guess I could experiment and find out - I rarely have more than a couple of main characters and if I'm going to have a lot more they invariably end up as background characters (where I use things like Anima to fake - there you can have hundreds without issues with some care).  But you can also test yourself - if you have a bare scene, devoid of props, just start loading your characters in one by one until it becomes unworkable.  Then you'll know your limit and adjusts your workflow accordingly.

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Alienware Aurora R16, Win 11, i9-149000KF, 3.20GHz CPU, 64GB RAM, RTX 4090 (24GB), Samsung 870 Pro 8TB, Gen3 MVNe M-2 SSD, 4TBx2, 39" Alienware Widescreen Monitor
Mike "ex-genius" Kelley

I continue to learn from Kellytoons! I had never heard of Anima (axyz-design.com) before! For my crowd scenes I would render short videos of low LOD characters on a transparent background and then play those videos on planes behind the main characters. Here is an example of it https://m.youtube.com/watch?v=iwilbkFG70M&t=4m18s.

This technique also works for bottles on shelves, etc.

- Jeff
The Adventures of Capt Sanchez
Cybernautic Studios

I waited for Alder Lake 19-12900K with an RTX 3090, and my poker room scene still bogs with 6 characters or more than 5 tables. That is with combing the chips in the chip rack.

I look forward to IClone 8 where the preview video they showed mentions non-animated objects can be static and use a lot less memory.

I exported my poker room to Omniverse, and I was able to add a bunch more tables. I can't export my characters for some reason yet, so I can't test that.

12 Tables isn't a problem for Omniverse, so hopefully IClone has some improvements in the near future.



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A Free Online Text Based Image Editor

i believe it's related to poor memory management -  reason -  I see big iclone improvements when I use a memory optimizer that regularly clears 1+ gig of ram when optimizing iclone on the fly.  What I suspect is happening is that iclone bursts an unlimited amount of data - it's a scaling problem so when you get a faster card / system it will flood your ram even harder -  so there really is no such thing as a perfect iclone system  if Iclone sends out massive bursts of data that only become more massive when the gear is upgraded.     I told another user about this who did a test swapping their old vid card and a new one -  the older video card actually had more fps than the newer one - meaning that iclone adapted it's output capacity based on the system power.  - so more powerful system,  larger iclone data burst,  lower fps.

iclone 7 needs to be regulated by some 3rd party approach to stop it from flooding the system buffers.

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interesting.. very interesting. may i ask what memory optimizer you use? or is there one you can recommend? 

vidius