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Bencher-Scenarios-MathScientificNotationUtil-0.001
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NAME

Bencher::Scenario::MathScientificNotationUtil::sci2dec - Benchmark sci2dec()

VERSION

This document describes version 0.001 of Bencher::Scenario::MathScientificNotationUtil::sci2dec (from Perl distribution Bencher-Scenarios-MathScientificNotationUtil), released on 2016-06-17.

SYNOPSIS

To run benchmark with default option:

% bencher -m MathScientificNotationUtil::sci2dec

To run module startup overhead benchmark:

% bencher --module-startup -m MathScientificNotationUtil::sci2dec

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.

Math::ScientificNotation::Util 0.001

BENCHMARK PARTICIPANTS

  • Math::ScientificNotation::Util::sci2dec (perl_code)

    Function call template:

    Math::ScientificNotation::Util::sci2dec(<num>)

  • sprintf("%.f") (perl_code)

    As a baseline.

    Code template:

    sprintf("%.f", <num>)

  • sprintf("%.g") (perl_code)

    As a baseline.

    Code template:

    sprintf("%.g", <num>)

BENCHMARK DATASETS

  • ["1.23e20","1.23e3","1.23e0",1.23e-20]

SAMPLE BENCHMARK RESULTS

Run on: perl: v5.22.1, 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 MathScientificNotationUtil::sci2dec):

+-----------------------------------------+----------+-----------+-----------+------------+---------+---------+
| participant                             | arg_num  | rate (/s) | time (μs) | vs_slowest | errors  | samples |
+-----------------------------------------+----------+-----------+-----------+------------+---------+---------+
| Math::ScientificNotation::Util::sci2dec | 1.23e20  | 2.5e+05   | 4         | 1          | 6.7e-09 | 20      |
| Math::ScientificNotation::Util::sci2dec | 1.23e-20 | 2.7e+05   | 3.7       | 1.1        | 6.5e-09 | 21      |
| Math::ScientificNotation::Util::sci2dec | 1.23e0   | 3.006e+05 | 3.326     | 1.197      | 2e-10   | 20      |
| Math::ScientificNotation::Util::sci2dec | 1.23e3   | 4.7e+05   | 2.1       | 1.9        | 3.3e-09 | 21      |
| sprintf("%.f")                          | 1.23e0   | 1.2e+08   | 0.0084    | 4.7e+02    | 7.3e-11 | 21      |
| sprintf("%.g")                          | 1.23e20  | 1e+08     | 0.008     | 5e+02      | 4.6e-10 | 21      |
| sprintf("%.f")                          | 1.23e-20 | 2e+08     | 0.007     | 6e+02      | 4.1e-10 | 20      |
| sprintf("%.f")                          | 1.23e3   | 2e+08     | 0.006     | 7e+02      | 9.7e-11 | 20      |
| sprintf("%.f")                          | 1.23e20  | 2e+08     | 0.005     | 8e+02      | 1e-10   | 20      |
| sprintf("%.g")                          | 1.23e3   | 2.9e+08   | 0.0035    | 1.1e+03    | 1.1e-11 | 20      |
| sprintf("%.g")                          | 1.23e-20 | 1e+10     | 0.0001    | 4e+04      | 2e-10   | 28      |
| sprintf("%.g")                          | 1.23e0   | -2e+08    | -0.004    | -9e+02     | 1.5e-10 | 20      |
+-----------------------------------------+----------+-----------+-----------+------------+---------+---------+

Benchmark module startup overhead (bencher -m MathScientificNotationUtil::sci2dec --module-startup):

+--------------------------------+-----------+------------------------+------------+---------+---------+
| participant                    | time (ms) | mod_overhead_time (ms) | vs_slowest | errors  | samples |
+--------------------------------+-----------+------------------------+------------+---------+---------+
| Math::ScientificNotation::Util | 5.2       | 0.8                    | 1          | 2.7e-05 | 20      |
| perl -e1 (baseline)            | 4.4       | 0                      | 1.2        | 4e-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-Scenarios-MathScientificNotationUtil.

SOURCE

Source repository is at https://github.com/perlancar/perl-Bencher-Scenarios-MathScientificNotationUtil.

BUGS

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

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.