Chaos Corona for 3ds Max > [Max] I need help!

material editor SLOW - i think its a CORONA issue?

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shortcirkuit:
Hi devs,

This material editor is driving me crazy (its been years) - ive tried restarting/merging scenes/scene cleanup scripts etc.  So i decided to do a quick video on switching between 2 corona materials and 2 standard Physical materials (from max).  Look how much quicker it is to swap between physcal materials vs corona materials.  It seems to be a corona issue?  or am i mistaken?

maru:
I have personally never ever experienced a slowdown close to this. I am attaching a recording from a Ryzen 3900X, 3ds Max 2025, Corona 12 HF1.
Please provide basic details such as your CPU model, Windows version, 3ds Max version, Corona version.
Also, is this happening in any scene, or only in some specific one(s)? For example, if you take an empty scene and open the material editor, is it the same? Or does it only happen when a heavy scene is loaded?
Is this happening right after you start 3ds Max, or you need to work with the scene for some time and only then it starts happening?

romullus:
What is your viewport texture display settings? Try to set baked procedural maps resolution to really low value and see if that improves your experience.

muoto:
same feeling here (corona12 hf1, max2024 or max2025, nvidia rtx4090)... material UI is sooooo slow, even on a complete new empty scene

baked the 128px didn't change anything

shortcirkuit:
Specs are as follows:
Threadripper 5995WX
256 GB RAM
4090 GFX card.
Win 11.

Corona Daily 30 July

My baked procedural map was 2048.  Ill try 128.

As for when it happens, mostly after opening an existing interior scene and usually after some time.  MOst new scenes appear to work ok and then it gets bogged down!  Still never as fast has Maxs physical material editor






--- Quote from: maru on 2024-08-22, 09:08:31 ---I have personally never ever experienced a slowdown close to this. I am attaching a recording from a Ryzen 3900X, 3ds Max 2025, Corona 12 HF1.
Please provide basic details such as your CPU model, Windows version, 3ds Max version, Corona version.
Also, is this happening in any scene, or only in some specific one(s)? For example, if you take an empty scene and open the material editor, is it the same? Or does it only happen when a heavy scene is loaded?
Is this happening right after you start 3ds Max, or you need to work with the scene for some time and only then it starts happening?

--- End quote ---

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