> uname -a
Linux linux.local 2.4.16 #4 Mon Dec 10 08:26:03 PST 2001 i586 unknown
> perl index.pl
Benchmark: timing 1000 iterations of slurp, sys, sysby128, sysby256, sysby512...
     slurp:  9 wallclock secs ( 3.56 usr +  4.57 sys =  8.13 CPU) @ 123.00/s (n=1000)
       sys:  7 wallclock secs ( 0.17 usr +  5.66 sys =  5.83 CPU) @ 171.53/s (n=1000)
  sysby128:  7 wallclock secs ( 0.27 usr +  5.87 sys =  6.14 CPU) @ 162.87/s (n=1000)
  sysby256:  7 wallclock secs ( 0.18 usr +  5.69 sys =  5.87 CPU) @ 170.36/s (n=1000)
  sysby512:  7 wallclock secs ( 0.16 usr +  5.51 sys =  5.67 CPU) @ 176.37/s (n=1000)
          Rate    slurp sysby128 sysby256      sys sysby512
slurp    123/s       --     -24%     -28%     -28%     -30%
sysby128 163/s      32%       --      -4%      -5%      -8%
sysby256 170/s      39%       5%       --      -1%      -3%
sys      172/s      39%       5%       1%       --      -3%
sysby512 176/s      43%       8%       4%       3%       --