Chaos Corona for 3ds Max > [Max] Bug Reporting

Corona 12 Major Memory Leak

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dj_buckley:
Right, I'm uploading a scene this morning.  It's only happening with one particular camera (V02_B).  Whether it's the same 'memory leak' issue I have no idea but memory shoots up to the point where the PC is unusable.

The scene file is less than 500MB, the assets will add more but it's not a complex scene at all.

I can render other cameras from this scene no problem at all, but this camera seems to giving the same or at least a very similar issue - having said that, it could be a completely different issue, but it's consistent and I can reproduce it every time I render from this camera.

Oddly it works fine with IR, but as soon as I do a production render, the RAM usage shoots right up to the point of crashing.

I keep getting this error window but each time it lists different items under 'heaviest objects'.  And if it does list the same item it's always a random GB value.

Circle015 for example is literally an extruded circle so why is it estimating its using 18+GB.  There are 8 instances of it, so I have no idea why it's only highlighting that one.  It also only has a basic shader on it no high res maps etc.

The Squishmeister Sofa is listed in the screenshot as using 10GB, yesterday it was listed as using 25GB, nothing has changed since.

dj_buckley:
Request #297121

Although now I'm not sure it is the same issue.  I have a feeling this was a displacement issue.

maru:
The issue does really seem to be related to displacement, but we will investigate some more.

burnin:
just a note
also happened to me on C4D using daily v13 w/o any displacement
seems fine w latest v12 HF2
(did mentioned it on discord)

TomG:
The question here is still the same - is this actually a memory leak (ie it starts low and then over time it keeps using more and more memory, suggesting something is taking more memory without freeing up memory it is done with), or just excessive memory usage (ie it gets this high almost as soon as the scene starts rendering)? (and can you send in the offending scene via ticket, would be great to have an example on hand we can test with :) https://support.chaos.com/requests/new )

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