file_slurp: 46 wallclock secs (16.01 usr + 26.25 sys = 42.26 CPU) @ 23.66/s (n=1000)
      read: 25 wallclock secs ( 9.00 usr + 13.91 sys = 22.91 CPU) @ 43.65/s (n=1000)

             Rate file_slurp       read
file_slurp 23.7/s         --       -46%
read       43.5/s        84%         --