NAME

Bencher::Scenario::RegexpAssemble - Benchmark arbitrary size floating point arithmetics

VERSION

This document describes version 0.01 of Bencher::Scenario::RegexpAssemble (from Perl distribution Bencher-Scenario-RegexpAssemble), released on 2016-02-10.

SYNOPSIS

To run benchmark with default option:

 % bencher -m RegexpAssemble

To run module startup overhead benchmark:

 % bencher --module-startup -m RegexpAssemble

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.

Regexp::Assemble 0.36

BENCHMARK PARTICIPANTS

• assemble-with-ra (perl_code) [assembling]

  Code template:

   my $ra = Regexp::Assemble->new; for (1.. <num> ) { $ra->add(join("", map {$main::chars->[rand @$main::chars]} 1..10)) } $ra->re

• assemble-raw (perl_code) [assembling]

  Code template:

   my @strs; for (1.. <num> ) { push @strs, join("", map {$main::chars->[rand @$main::chars]} 1..10) } my $re = "\\A(?:".join("|", map {quotemeta} sort {length($b) <=> length($a)} @strs).")\\z"; $re = qr/$re/

• match-with-ra (perl_code) [matching]

  Code template:

   state $re = do { my $ra = Regexp::Assemble->new; for (1.. <num> ) { $ra->add(join("", map {$main::chars->[rand @$main::chars]} 1..10)) } $ra->re }; state $str = join("", map {$main::chars->[rand @$main::chars]} 1..10); $str =~ $re

• match-raw (perl_code) [matching]

  Code template:

   state $re = do { my @strs; for (1.. <num> ) { push @strs, join("", map {$main::chars->[rand @$main::chars]} 1..10) } my $re = "\\A(?:".join("|", map {quotemeta} sort {length($b) <=> length($a)} @strs).")\\z"; $re = qr/$re/ }; state $str = join("", map {$main::chars->[rand @$main::chars]} 1..10); $str =~ $re

BENCHMARK DATASETS

• 10str

• 100str

• 1000str

• 10000str

SAMPLE BENCHMARK RESULTS

Run on: perl: v5.22.0, CPU: Intel(R) Core(TM) i5-2400 CPU @ 3.10GHz (4 cores), OS: GNU/Linux Debian version 8.0, OS kernel: Linux version 3.16.0-4-amd64.

Benchmark with default options (bencher -m RegexpAssemble):

 +------------------+----------+-----------+-----------+---------+---------+
 | participant      | dataset  | rate (/s) | time (ms) | errors  | samples |
 +------------------+----------+-----------+-----------+---------+---------+
 | assemble-with-ra | 10000str | 1.7       | 5.8e+02   | 0.0011  | 20      |
 | assemble-raw     | 10000str | 17        | 60        | 9.9e-05 | 20      |
 | assemble-with-ra | 1000str  | 18        | 56        | 0.0003  | 20      |
 | assemble-raw     | 1000str  | 1.8e+02   | 5.6       | 2e-05   | 20      |
 | assemble-with-ra | 100str   | 1.9e+02   | 5.2       | 9.8e-06 | 23      |
 | assemble-with-ra | 10str    | 2e+03     | 0.6       | 1.2e-05 | 20      |
 | assemble-raw     | 100str   | 1.91e+03  | 0.523     | 4.8e-07 | 20      |
 | assemble-raw     | 10str    | 1.6e+04   | 0.064     | 1.1e-07 | 20      |
 | match-with-ra    | 10000str | 3.13e+05  | 0.0032    | 1.5e-09 | 25      |
 | match-with-ra    | 1000str  | 4.2e+05   | 0.0024    | 6.7e-09 | 20      |
 | match-with-ra    | 100str   | 1.6e+06   | 0.00061   | 2.5e-09 | 20      |
 | match-with-ra    | 10str    | 1.7e+06   | 0.00058   | 7.1e-10 | 28      |
 | match-raw        | 10000str | 2.4e+06   | 0.00042   | 1e-09   | 21      |
 | match-raw        | 1000str  | 2.4e+06   | 0.00041   | 8.3e-10 | 20      |
 | match-raw        | 100str   | 2.5e+06   | 0.0004    | 8.4e-10 | 20      |
 | match-raw        | 10str    | 2.5e+06   | 0.0004    | 2.1e-10 | 20      |
 +------------------+----------+-----------+-----------+---------+---------+

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

 +---------------------+-----------+------------------------+---------+---------+
 | participant         | time (ms) | mod_overhead_time (ms) | errors  | samples |
 +---------------------+-----------+------------------------+---------+---------+
 | Regexp::Assemble    | 28        | 22                     | 6.9e-05 | 20      |
 | perl -e1 (baseline) | 6         | 0                      | 3.5e-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-RegexpAssemble.

SOURCE

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

BUGS

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

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::RegexpAssemble

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