This‘s an breakdown of Pompeii we made.
Hope you like it ~
Software: Houdini17.5 , Fusion
Details :
Memory: 64GB
Processor: AMD Ryzen 1950X
Graphics: GeForce GTX 1070Ti
Simulation : 10H
Space disk : 500G
Render:Mantra
Render time: 1920*1080 (40H)
I recommend to use Linux for heavy simulation, because Linux has a better ram usage than windows.