Boehm gc stage 2 build (minimal-console-compiler only):

        15m40.95s real          13m48.45s user          1m27.41s sys
    107872  maximum resident set size
        19  average shared memory size
     20359  average unshared data size
       127  average unshared stack size
   2166884  page reclaims
         0  page faults
         0  swaps
       454  block input operations
     37610  block output operations
         0  messages sent
         0  messages received
         0  signals received
     39218  voluntary context switches
    131198  involuntary context switches

MPS final stage build (minimal-console-compiler, minimal-pentium-dw, network):

        22m22.37s real          17m20.08s user          3m58.88s sys
     92104  maximum resident set size
        16  average shared memory size
        79  average unshared data size
       128  average unshared stack size
  15768593  page reclaims
         0  page faults
         0  swaps
       503  block input operations
    144764  block output operations
         0  messages sent
         0  messages received
   2889455  signals received
    146507  voluntary context switches
    179281  involuntary context switches