threads.pm:
WC: 13.76s  Usr: 0.39s  Sys: 0.07s  
CSv/f: 0/0  IOops: 0/0  Sigs: 0  Swaps: 0  PF: 2500/1265  Msg: 0/0  Mem: 65499  

forks.pm:
WC: 18.30s  Usr: 0.33s  Sys: 0.22s  
CSv/f: 0/0  IOops: 0/0  Sigs: 0  Swaps: 0  PF: 14427/2524  Msg: 0/0  Mem: 5454