Skip to content

Reply To: Optimizing OpenLB for Large-Scale Simulations

Due to recent bot attacks we have chanced the sign-up process. If you want to participate in our forum, first register on this website and then send a message via our contact form.

› Forums › on OpenLB › General Topics › Optimizing OpenLB for Large-Scale Simulations › Reply To: Optimizing OpenLB for Large-Scale Simulations

March 31, 2025 at 9:00 am #9975
sfraniatte
Participant

Hello,

I achieved a significant performance gain by changing the number of cuboids. I started from the aorta3d example, which used too many cuboids (8 per CPU core in parallel), and I greatly reduced this number (1 per core with 32 cores).

Hope this helps. Good luck!

Sylvain