/usr/share/perl5/CHI/Benchmarks.pod is in libchi-perl 0.50-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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=pod
=head1 NAME
CHI::Benchmarks - Benchmarks of CHI and non-CHI drivers
=head1 VERSION
version 0.50
=head1 DESCRIPTION
These benchmarks were created by running
etc/bench/bench.pl -d . -t 10 -x
for CHI 0.42, on OS X v10.6.6, 2.2 GHz Intel Core 2 Duo, Perl 5.12.2.
For each cache, bench.pl does repeated gets and sets of a data structure for at
least 10 seconds and measures the wallclock time per operation.
These numbers should just be used as a rough guideline! Actual results will
vary widely depending on system, get/set pattern, actual values being set, the
proper tuning of memcached/mysql, etc. For best results run the benchmark
script (available in this distribution) on your own system.
Cache Get time Set time Description
cache_ref 0.009ms 0.008ms Cache::Ref (CART)
chi_memory_raw 0.019ms 0.036ms CHI::Driver::MemoryRaw
cache_fastmmap 0.022ms 0.040ms Cache::FastMmap
chi_memory 0.042ms 0.066ms CHI::Driver::Memory
chi_berkeleydb 0.052ms 0.073ms CHI::Driver::BerkeleyDB
chi_fastmmap 0.057ms 0.087ms CHI::Driver::FastMmap
cache_cache_memory 0.065ms 0.070ms Cache::MemoryCache
cache_memcached_fast 0.097ms 0.131ms Cache::Memcached::Fast
chi_dbi_sqlite 0.112ms 1.659ms CHI::Driver::DBI (sqlite)
cache_memcached_lib 0.118ms 0.156ms Cache::Memcached::libmemcached
chi_file 0.118ms 1.138ms CHI::Driver::File
chi_memcached_fast 0.138ms 0.178ms CHI::Driver::Memcached::Fast
chi_memcached_lib 0.151ms 0.202ms CHI::Driver::Memcached::libmemcached
chi_dbi_mysql 0.236ms 0.273ms CHI::Driver::DBI (mysql)
cache_memcached_std 0.238ms 0.180ms Cache::Memcached
chi_memcached_std 0.279ms 0.235ms CHI::Driver::Memcached
cache_cache_file 0.481ms 1.391ms Cache::FileCache
=head1 SEE ALSO
L<CHI|CHI>
=head1 AUTHOR
Jonathan Swartz <swartz@pobox.com>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011 by Jonathan Swartz.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
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