P:\test>362135
           Rate ^\S*\s*$  \S+\s* \S*\s* ^\S+\s*$ ^\S*\s$ ^\S+\s$   \S*\s   \S+\s
^\S*\s*$ 1346/s       --     -1%    -1%      -3%     -4%     -4%     -5%     -6%
\S+\s*   1365/s       1%      --    -0%      -2%     -3%     -3%     -3%     -4%
\S*\s*   1365/s       1%     -0%     --      -2%     -3%     -3%     -3%     -4%
^\S+\s*$ 1392/s       3%      2%     2%       --     -1%     -1%     -1%     -2%
^\S*\s$  1407/s       5%      3%     3%       1%      --     -0%     -0%     -1%
^\S+\s$  1408/s       5%      3%     3%       1%      0%      --     -0%     -1%
\S*\s    1413/s       5%      4%     4%       2%      0%      0%      --     -1%
\S+\s    1428/s       6%      5%     5%       3%      1%      1%      1%      --


##</code><code>##

P:\test>362135 -N=1
            (warning: too few iterations for a reliable count)

            (warning: too few iterations for a reliable count)

                Rate  ^\S*\s*$    \S*\s* \S+\s* ^\S+\s*$ ^\S*\s$ \S*\s ^\S+\s$ \S+\s
^\S*\s*$ 3.07e-002/s        --       -1%  -100%    -100%   -100% -100%   -100% -100%
\S*\s*   3.10e-002/s        1%        --  -100%    -100%   -100% -100%   -100% -100%
\S+\s*        6685/s 21746132% 21548263%     --      -1%    -22%  -23%    -51%  -51%
^\S+\s*$      6747/s 21947909% 21748203%     1%       --    -21%  -22%    -51%  -51%
^\S*\s$       8533/s 27758186% 27505613%    28%      26%      --   -1%    -38%  -38%
\S*\s         8645/s 28123106% 27867213%    29%      28%      1%    --    -37%  -37%
^\S+\s$      13740/s 44696322% 44289628%   106%     104%     61%   59%      --   -0%
\S+\s        13752/s 44736625% 44329565%   106%     104%     61%   59%      0%    --

##</code><code>##

P:\test>362135 -N=1
           Rate ^\S*\s*$  \S+\s*   \S+\s ^\S+\s*$ ^\S+\s$ \S*\s* ^\S*\s$   \S*\s
^\S*\s*$ 7440/s       --     -1%     -1%      -2%     -3%    -4%     -5%     -6%
\S+\s*   7505/s       1%      --     -0%      -1%     -2%    -3%     -5%     -5%
\S+\s    7538/s       1%      0%      --      -0%     -1%    -3%     -4%     -4%
^\S+\s*$ 7558/s       2%      1%      0%       --     -1%    -3%     -4%     -4%
^\S+\s$  7645/s       3%      2%      1%       1%      --    -1%     -3%     -3%
\S*\s*   7756/s       4%      3%      3%       3%      1%     --     -1%     -2%
^\S*\s$  7862/s       6%      5%      4%       4%      3%     1%      --     -0%
\S*\s    7891/s       6%      5%      5%       4%      3%     2%      0%      --

##</code><code>##

P:\test>362135 -N=1
            (warning: too few iterations for a reliable count)

            (warning: too few iterations for a reliable count)

                Rate     \S*\s*   ^\S*\s*$ \S+\s* ^\S+\s*$ ^\S*\s$ \S*\s \S+\s ^\S+\s$
\S*\s*   1.23e-003/s         --        -0%  -100%    -100%   -100% -100% -100%   -100%
^\S*\s*$ 1.23e-003/s         0%         --  -100%    -100%   -100% -100% -100%   -100%
\S+\s*        34.3/s   2795013%   2782516%     --      -8%    -99%  -99% -100%   -100%
^\S+\s*$      37.4/s   3045735%   3032117%     9%       --    -99%  -99% -100%   -100%
^\S*\s$       4577/s 372761400% 371094785% 13236%   12138%      --  -12%  -53%    -58%
\S*\s         5228/s 425715150% 423811779% 15131%   13877%     14%    --  -46%    -52%
\S+\s         9683/s 788529651% 785004138% 28111%   25789%    112%   85%    --    -11%
^\S+\s$      10828/s 881763143% 877820783% 31447%   28850%    137%  107%   12%      --

##</code><code>##

#! perl -slw
use strict;
use Benchmark qw[ cmpthese ];

our $N ||= 10;
our @data = (scalar <DATA>) x $N;
push @data, <DATA>;

cmpthese( -1, {
	'\S*\s*' => q[
		my @bits;
		@bits = m[(\S*\s*\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\".*\")\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)]
			for @data;
	],
	'\S+\s*' => q[
		my @bits;
		@bits = m[(\S+\s*\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\".*\")\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)]
			for @data;
	],
	'\S*\s' => q[
		my @bits;
		@bits = m[(\S*\s\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\".*\")\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)]
			for @data;
	],
	'\S+\s' => q[
		my @bits;
		@bits = m[(\S+\s\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\".*\")\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)]
			for @data;
	],
	'^\S*\s*$' => q[
		my @bits;
		@bits = m[(\S*\s*\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\".*\")\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)\s*(\S*)]
			for @data;
	],
	'^\S+\s*$' => q[
		my @bits;
		@bits = m[(\S+\s*\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\".*\")\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)]
			for @data;
	],
	'^\S*\s$' => q[
		my @bits;
		@bits = m[(\S*\s\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\".*\")\s(\S*)\s(\S*)\s(\S*)\s(\S*)\s(\S*)]
			for @data;
	],
	'^\S+\s$' => q[
		my @bits;
		@bits = m[(\S+\s\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\".*\")\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)]
			for @data;
	],
});

__DATA__
2004-03-01 22:00:12 2 15.32.17.34 200 TCP_HIT 3140 326 GET http www.wahm.com http://www.wahm.com/images/vote.gif u779479 DEFAULT_PARENT 61.2.249.106 - "Mozilla/4.0 (compatible; MSIE 5.01; Windows 95)" OBSERVED none - 61.2.249.47 SG-HTTP-Service
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