Parameters used for Millenium simulations Here

The size of the box is 115 Mpc/h

\(N_{part}\) \(\epsilon\) [kpc/h] CPU Time [Hrs] Wall Time [Hrs]
\(128^3\) 19.41 6.0 0.4
\(256^3\) 9.70 29.0 1.8
\(512^3\) 4.85 165.5 10.3
\(1024^3\) 2.42    
\(2048^3\) 1.21    
\(4096^3\) 0.61    

CPU_TIME as function of N_PARTICLES:

Mass function from ROCKSTAR halo catalogs:

Density projection for \(512^3\) simulation using Brant’s code (image-snapshot):

Error running \(1024^3\) simulation HERE