question

Mehdi Daoud avatar image
Mehdi Daoud asked

AOV Multilayered EXR fail export

Hi, I'm a Cinema 4D user.

I am having a problem exporting a multilayer EXR file. My render size is 4000x4000 px.

I only have this problem when I add an Arnold Driver.

By the way, I have 64 GB of RAM and an i7 processor.

Thanks for your help.


Here is the console message :


[c4dtoa] 00:00:24 4280MB WARNING | can't allocate 64000000 bytes (virtual memory : 60770 Mb)

[c4dtoa] 00:00:24 4280MB WARNING | can't allocate 64000000 bytes (virtual memory : 60770 Mb)

[c4dtoa] 00:00:24 4280MB WARNING | can't allocate 260112384 bytes (virtual memory : 60770 Mb)

[c4dtoa] 00:00:24 4280MB ERROR | unable to allocate framebuffer of 4000 x 4000 (260112384B)sharedscreenshot.jpg

renderc4dtoaaovcpuexport
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Stephen Blair avatar image
Stephen Blair answered

How many AOVs?
Can you post a full log?


60770MG is 60GB, so you really don't have enough memory

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Thiago Ize avatar image
Thiago Ize answered

I suspect you want to enable tiled exr output in the exr driver. That should dramatically reduce the memory used. If that didn't help, reducing the bucket size would be the next step.

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