Author Topic: Is this a mistake?  (Read 608 times)

Offline gao_jian11

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Is this a mistake?
« on: February 25, 2019, 01:04:42 AM »
Is this a mistake? If any preview window does not finish updating and starts rendering, then my new Ryzen Threadripper 2990WX will crash.


Offline Oshyan

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Re: Is this a mistake?
« Reply #1 on: February 26, 2019, 12:16:06 AM »
This is definitely not normal. Can you provide the exact steps to reproduce the problem?

- Oshyan

Offline gao_jian11

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Re: Is this a mistake?
« Reply #2 on: March 23, 2019, 12:04:14 AM »
I finally recorded this crashed video, and any kind of preview window will crash if it exceeds two.

Offline KlausK

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Re: Is this a mistake?
« Reply #3 on: March 23, 2019, 01:51:15 PM »
I do not think this is related to your AMD Ryzen CPU only.

https://planetside.co.uk/forums/index.php/topic,21772.msg219054.html#msg219054

This is a thread from 2016 which resulted in the same error message you can see.
It was during Beta 4 (quite early cycle). I did send a scene file to planetside but
never got any feedback  back then if that helped them in some way or another.

When TG 4.0 came out I for one very soon experienced the same problems your are reporting now.
After introduction of the RTP for me TG never ran as smooth as before on my machine (specs in the footnote).
Opening a few node preview windows at the same time sooner or later crashes TG as well here.
Did not change ever since. I got used to it in a way. So far I did not update from 4.1.25.
My workaround is simply to save often and use a small number of previews.

So, you are not alone ;)

CHeers, Klaus
/ ASUS WS Mainboard / Dual XEON E5-2640v3 / 64GB RAM / NVIDIA GeForce GTX 1070 TI / Win7 Ultimate

Offline gao_jian11

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Re: Is this a mistake?
« Reply #4 on: March 24, 2019, 12:26:07 AM »
It seems different, my problem is after the replacement of amd 2990, and it seems to have nothing to do with RTP. When 2990 switches to 16 core mode, the crash will not occur.

Offline Oshyan

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Re: Is this a mistake?
« Reply #5 on: March 25, 2019, 09:44:26 PM »
Thanks, I think that video is helpful. I will say I don't think it is a wise idea to have so many preview windows open at once, even on a 32 core system. However I understand why you would want to do so. We will investigate.

- Oshyan

Offline Matt

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Re: Is this a mistake?
« Reply #6 on: March 26, 2019, 02:45:59 AM »
The more cores you have (or the more threads you tell Terragen to use in Preferences), the quicker you run into this problem. Each preview uses the same number of threads, and there's an internal limit (256 I think) which it runs into. To solve this I will need to make it smarter and reduce the number of threads per preview depending on how many other previews are running at the same time.
Just because milk is white doesn't mean that clouds are made of milk.

Offline gao_jian11

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Re: Is this a mistake?
« Reply #7 on: March 27, 2019, 04:21:18 AM »
thank you for your reply. Now I can control the number of windows being previewed, but it's hard to prevent the terrain preview window. Can I turn it off or pause? This excellent software allows me to enjoy it and wait for it to get better.

Offline D.A. Bentley

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Re: Is this a mistake?
« Reply #8 on: March 27, 2019, 05:36:10 AM »
That's very strange.  I frequently have 3 to 4 Shader Preview windows open as well as the RTP and don't have any issues at all (On any of my PC's including my 1950X Threadripper).  All of my PC's have a minimum of 64GB of RAM though.  Threadripper has 128GB. 



-Derek

Offline gao_jian11

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Re: Is this a mistake?
« Reply #9 on: March 27, 2019, 06:52:45 AM »
Yes, only on the 2992 Threadripper。Of course, 2400 Threadripper I have not tried

Offline Matt

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Re: Is this a mistake?
« Reply #10 on: March 27, 2019, 06:53:50 AM »
thank you for your reply. Now I can control the number of windows being previewed, but it's hard to prevent the terrain preview window. Can I turn it off or pause? This excellent software allows me to enjoy it and wait for it to get better.

You can click in the shader preview and press 'P' to pause it, and again to unpause it.
Just because milk is white doesn't mean that clouds are made of milk.

Offline gao_jian11

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Re: Is this a mistake?
« Reply #11 on: March 27, 2019, 12:08:39 PM »
This is good! effective. Thank you Matt!