c:\test>\perl\bin\perl5.8.6.exe -s junk9.pl -N=1e2
        Rate ysth  buk  tye   OP
ysth  4371/s   -- -47% -49% -75%
buk   8269/s  89%   --  -3% -53%
tye   8542/s  95%   3%   -- -52%
OP   17779/s 307% 115% 108%   --

c:\test>\perl\bin\perl5.8.6.exe -s junk9.pl -N=1e5
       Rate ysth  buk  tye   OP
ysth 3.75/s   -- -36% -39% -64%
buk  5.88/s  57%   --  -4% -44%
tye  6.15/s  64%   5%   -- -41%
OP   10.5/s 179%  78%  70%   --