file_slurp: 44 wallclock secs (15.99 usr + 26.40 sys = 42.39 CPU) @ 23.59/s (n=1000)
      read: 23 wallclock secs ( 9.12 usr + 13.67 sys = 22.79 CPU) @ 43.88/s (n=1000)

             Rate file_slurp       read
file_slurp 23.6/s         --       -46%
read       43.6/s        85%         --