Algorithm::Diff::XS - Algorithm::Diff with XS core loop
# 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 );
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.
LCSidx
compact_diff
diff
sdiff
Algorithm::Diff
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) }, });
Algorithm::Diff, Algorithm::LCS.
Audrey Tang <cpan@audreyt.org>
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.
To install Algorithm::Diff::XS, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Algorithm::Diff::XS
CPAN shell
perl -MCPAN -e shell install Algorithm::Diff::XS
For more information on module installation, please visit the detailed CPAN module installation guide.