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Algorithm::Diff::XS(3pUser Contributed Perl DocumentatAlgorithm::Diff::XS(3pm)

NAME
       Algorithm::Diff::XS - Algorithm::Diff with XS core loop

SYNOPSIS
	   # Drop-in replacement to Algorithm::Diff, but "compact_diff"
	   # and C<LCSidx> will run much faster for large data sets.
	   use Algorithm::Diff::XS qw( compact_diff LCSidx );

DESCRIPTION
       This module is a simple re-packaging of Joe Schaefer's excellent but
       not very well-known Algorithm::LCS with a drop-in interface that simply
       re-uses the installed version of the Algorithm::Diff module.

       Note that only the "LCSidx" function is optimized in XS at the moment,
       which means only "compact_diff" will get significantly faster for large
       data sets, while "diff" and "sdiff" will run in identical speed as
       "Algorithm::Diff".

BENCHMARK
			     Rate     Algorithm::Diff Algorithm::Diff::XS
       Algorithm::Diff	   14.7/s		   --		     -98%
       Algorithm::Diff::XS  806/s		5402%		       --

       The benchmarking script is as below:

	   my @data = ([qw/a b d/ x 50], [qw/b a d c/ x 50]);
	   cmpthese( 500, {
	       'Algorithm::Diff' => sub {
		   Algorithm::Diff::compact_diff(@data)
	       },
	       'Algorithm::Diff::XS' => sub {
		   Algorithm::Diff::XS::compact_diff(@data)
	       },
	   });

SEE ALSO
       Algorithm::Diff, Algorithm::LCS.

AUTHORS
       Audrey Tang <cpan@audreyt.org>

COPYRIGHT
       Copyright 2008 by Audrey Tang <cpan@audreyt.org>.

       Contains derived code copyrighted 2003 by Joe Schaefer,
       <joe+cpan@sunstarsys.com>.

       This library is free software; you can redistribute it and/or modify it
       under the same terms as Perl itself.

perl v5.26.0			  2017-07-22	      Algorithm::Diff::XS(3pm)
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