"GPU out of Memory" How to solve?

[lokitkhemka]

When run the test program mpm_test_fluid_dam_break, I get the following error:

[Cuda] Initialize device index to 0
[Cuda] Device Property:
        GPU Device: 0
        Global Memory: 3951624192 bytes
        Shared Memory: 49152 bytes
        Register Per SM: 65536
        Multi-processor count: 16
        SM compute capabilities: 8.6.
[Cuda] Created 32 streams for device 0.
[MPM Engine info] [18:57:33 +05:30] [thread 7913] Set Default dt = 5e-05
[MPM Engine info] [18:57:33 +05:30] [thread 7913] Start initializing particles.
[MPM Engine info] [18:57:33 +05:30] [thread 7913]       Initializing model with particle count 8994048
[MPM Engine info] [18:57:33 +05:30] [thread 7913] Finished initializating particles.
GPUassert: out of memory /home/loki/Desktop/CK-MPM/include/cuda_util.cuh 108

Is there any way to modify the simulation parameters, so that it uses less memory?

Thank you.