NAME

Bencher::Scenario::CmdLineParsingModules - Benchmark command-line parsing modules

VERSION

This document describes version 0.04 of Bencher::Scenario::CmdLineParsingModules (from Perl distribution Bencher-Scenario-CmdLineParsingModules), released on 2016-06-26.

SYNOPSIS

To run benchmark with default option:

 % bencher -m CmdLineParsingModules

To run module startup overhead benchmark:

 % bencher --module-startup -m CmdLineParsingModules

For more options (dump scenario, list/include/exclude/add participants, list/include/exclude/add datasets, etc), see bencher or run bencher --help.

BENCHMARKED MODULES

Version numbers shown below are the versions used when running the sample benchmark.

Complete::Bash 0.27

Parse::CommandLine 0.02

BENCHMARK PARTICIPANTS

• Parse::CommandLine::parse_command_line (perl_code)

  Function call template:

   Parse::CommandLine::parse_command_line(<cmdline>)

• Complete::Bash::parse_cmdline (perl_code)

  Function call template:

   Complete::Bash::parse_cmdline(<cmdline>, 0)

BENCHMARK DATASETS

• empty

• cmd-only

• 2args-simple

• 4args

SAMPLE BENCHMARK RESULTS

Run on: perl: v5.22.2, CPU: Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz (4 cores), OS: GNU/Linux Debian version 8.0, OS kernel: Linux version 3.16.0-4-amd64.

Benchmark with default options (bencher -m CmdLineParsingModules):

 +----------------------------------------+--------------+-----------+-----------+------------+---------+---------+
 | participant                            | dataset      | rate (/s) | time (μs) | vs_slowest |  errors | samples |
 +----------------------------------------+--------------+-----------+-----------+------------+---------+---------+
 | Parse::CommandLine::parse_command_line | 4args        |     42900 |  23.3     |    1       | 6.4e-09 |      22 |
 | Complete::Bash::parse_cmdline          | 4args        |     49000 |  20.4     |    1.14    | 6.5e-09 |      21 |
 | Complete::Bash::parse_cmdline          | 2args-simple |    117160 |   8.5353  |    2.7292  | 4.7e-11 |      23 |
 | Parse::CommandLine::parse_command_line | 2args-simple |    168000 |   5.95    |    3.92    | 1.5e-09 |      24 |
 | Complete::Bash::parse_cmdline          | cmd-only     |    272000 |   3.67    |    6.34    | 1.4e-09 |      27 |
 | Parse::CommandLine::parse_command_line | cmd-only     |    427079 |   2.34149 |    9.94879 |   0     |      21 |
 | Complete::Bash::parse_cmdline          | empty        |   1500000 |   0.66    |   36       | 8.1e-10 |      21 |
 | Parse::CommandLine::parse_command_line | empty        |   2980000 |   0.335   |   69.5     | 1.6e-10 |      32 |
 +----------------------------------------+--------------+-----------+-----------+------------+---------+---------+

Benchmark module startup overhead (bencher -m CmdLineParsingModules --module-startup):

 +---------------------+-----------+------------------------+------------+---------+---------+
 | participant         | time (ms) | mod_overhead_time (ms) | vs_slowest |  errors | samples |
 +---------------------+-----------+------------------------+------------+---------+---------+
 | Parse::CommandLine  |       5.8 |                    3.2 |        1   | 5.4e-05 |      20 |
 | Complete::Bash      |       5.4 |                    2.8 |        1.1 | 2.2e-05 |      21 |
 | perl -e1 (baseline) |       2.6 |                    0   |        2.2 | 1.5e-05 |      20 |
 +---------------------+-----------+------------------------+------------+---------+---------+

DESCRIPTION

Packaging a benchmark script as a Bencher scenario makes it convenient to include/exclude/add participants/datasets (either via CLI or Perl code), send the result to a central repository, among others . See Bencher and bencher (CLI) for more details.

HOMEPAGE

Please visit the project's homepage at https://metacpan.org/release/Bencher-Scenario-CmdLineParsingModules.

SOURCE

Source repository is at https://github.com/perlancar/perl-Bencher-Scenario-CmdLineParsingModules.

BUGS

Please report any bugs or feature requests on the bugtracker website https://rt.cpan.org/Public/Dist/Display.html?Name=Bencher-Scenario-CmdLineParsingModules

When submitting a bug or request, please include a test-file or a patch to an existing test-file that illustrates the bug or desired feature.

AUTHOR

perlancar <perlancar@cpan.org>

COPYRIGHT AND LICENSE

This software is copyright (c) 2016 by perlancar@cpan.org.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

cpanm Bencher::Scenario::CmdLineParsingModules

perl -MCPAN -e shell
install Bencher::Scenario::CmdLineParsingModules