Chaos Corona for 3ds Max > [Max] General Discussion
Corona 12 Update 1
lupaz:
--- Quote from: pokoy on 2024-12-12, 17:00:42 ---I'm stuck in the past on both Max and Corona but judging from the posts here I think you should be adding info on which Max versions you are using, too. It looks like Max is not getting the QA that it needs/deserves and there could be issues with Max' internal notification system (there were some in the past) that could interfere with how a renderer accesses the API. For example, a seemingly simple thing like hardware hit testing in the viewports for example could slow down IR quite a lot.
--- End quote ---
I use Changsoo's script for GPU hit testing and so far I didn't notice any slowdown.
Max 2025.3, Win 11 24H2, Corona 12 U1.
Ryzen 9950x, GTX 1080ti
dj_buckley:
--- Quote from: danio1011 on 2024-12-12, 16:51:38 ---I encountered crazy mouse lag during IR and also when doing anything in SME. But oddly I experienced (milder) mouse lag even without IR running, even just running the mouse over a complex object in the viewport would cause slight lag. I downgraded pretty fast back to the July 30 DB which didn't have those problems and then from there to HF 1 which, for me, performs the same as that DB. I didn't upgrade my nodes or do any major rendering with 12.1 so I can't speak to rendertimes, the lag was a dealbreaker for me and I have deadlines :)
I hope they figure out what's going on with 12.1. Cheers,
Daniel
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Exactly this, I've not used SME since forever, I hate it. But the lag in this latest Corona is unbearable. It's the first time I've been tempted to roll back a release. I think as soon as my current project is over then I will be.
lupaz:
--- Quote from: dj_buckley on 2024-12-12, 17:11:33 ---
--- Quote from: pokoy on 2024-12-12, 17:00:42 ---I'm stuck in the past on both Max and Corona but judging from the posts here I think you should be adding info on which Max versions you are using, too. It looks like Max is not getting the QA that it needs/deserves and there could be issues with Max' internal notification system (there were some in the past) that could interfere with how a renderer accesses the API. For example, a seemingly simple thing like hardware hit testing in the viewports for example could slow down IR quite a lot.
--- End quote ---
I'm using Max 2024 (latest update), the only thing that has changed each time is the last few versions of Corona. So that makes Corona the common denominator?
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What hardware?
dj_buckley:
i9 13900KS, 192GB DDR5, RTX 4090
simtub:
I'm getting a slow down in general too, the max viewport just feels sluggish and mouse cursor is sometimes ghosting due to latency. Interactive rendering just seems slow to refresh..
I looked into the task manager. can anyone tell me what this is for (see attachment) and why are there multiple instances of it? It's tied to Corona Renderer.
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