Cosmological Simulations particles, 115 Mpc/h box.

Cumulative Halo Mass Function

Solid lines correspond to the CHOLLA_PM simulation, red dashed lines correspond to the Gadget simulation and black dashed lines correspond to the model by Warren.

Case 1:

Gadget:

Cholla:

Case 2:

For this one the force resolution of Gadget was decreased to match the cell_size used for Cholla

Gadget:

Cholla: