NAME
Bencher::Scenario::Perl::Swap - Benchmark swapping two variables
VERSION
This document describes version 0.051 of Bencher::Scenario::Perl::Swap (from Perl distribution Bencher-Scenarios-Perl), released on 2021-07-03.
SYNOPSIS
To run benchmark with default option:
% bencher -m Perl::SwapFor more options (dump scenario, list/include/exclude/add participants, list/include/exclude/add datasets, etc), see bencher or run bencher --help.
DESCRIPTION
BENCHMARK PARTICIPANTS
my $a = <a>; my $b = <b>; my $tmp; for (1..1001) { $tmp = $a; $a (perl_code)
Code template:
my $a = <a>; my $b = <b>; my $tmp; for (1..1001) { $tmp = $a; $a = $b; $b = $tmp } [$a, $b]my $a = <a>; my $b = <b>; for (1..1001) { ($a, $b) = ($b, $a) } (perl_code)
Code template:
my $a = <a>; my $b = <b>; for (1..1001) { ($a, $b) = ($b, $a) } [$a, $b]
BENCHMARK DATASETS
undef
empty-string
short-string
long-string
number
SAMPLE BENCHMARK RESULTS
Run on: perl: v5.30.2, CPU: Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz (4 cores), OS: GNU/Linux LinuxMint version 19, OS kernel: Linux version 5.3.0-68-generic.
Benchmark with default options (bencher -m Perl::Swap):
#table1#
+------------------------------------------------------------------+--------------+-----------+-----------+-----------------------+-----------------------+---------+---------+
| participant | dataset | rate (/s) | time (μs) | pct_faster_vs_slowest | pct_slower_vs_fastest | errors | samples |
+------------------------------------------------------------------+--------------+-----------+-----------+-----------------------+-----------------------+---------+---------+
| my $a = <a>; my $b = <b>; for (1..1001) { ($a, $b) = ($b, $a) } | empty-string | 8267.46 | 120.956 | 0.00% | 80.43% | 0 | 20 |
| my $a = <a>; my $b = <b>; for (1..1001) { ($a, $b) = ($b, $a) } | long-string | 8272.35 | 120.885 | 0.06% | 80.33% | 0 | 20 |
| my $a = <a>; my $b = <b>; my $tmp; for (1..1001) { $tmp = $a; $a | empty-string | 10300 | 96.7 | 25.10% | 44.23% | 8e-08 | 20 |
| my $a = <a>; my $b = <b>; my $tmp; for (1..1001) { $tmp = $a; $a | long-string | 10529.8 | 94.9685 | 27.36% | 41.67% | 0 | 20 |
| my $a = <a>; my $b = <b>; for (1..1001) { ($a, $b) = ($b, $a) } | number | 14000 | 72 | 68.60% | 7.02% | 1.1e-07 | 20 |
| my $a = <a>; my $b = <b>; my $tmp; for (1..1001) { $tmp = $a; $a | short-string | 14100 | 70.9 | 70.57% | 5.78% | 2.7e-08 | 20 |
| my $a = <a>; my $b = <b>; my $tmp; for (1..1001) { $tmp = $a; $a | number | 14197.45 | 70.43516 | 71.73% | 5.07% | 4.8e-12 | 20 |
| my $a = <a>; my $b = <b>; for (1..1001) { ($a, $b) = ($b, $a) } | short-string | 14300 | 70.1 | 72.49% | 4.60% | 2.1e-08 | 31 |
| my $a = <a>; my $b = <b>; my $tmp; for (1..1001) { $tmp = $a; $a | undef | 14299.1 | 69.93446 | 72.96% | 4.32% | 5.7e-12 | 20 |
| my $a = <a>; my $b = <b>; for (1..1001) { ($a, $b) = ($b, $a) } | undef | 14917.19 | 67.03677 | 80.43% | 0.00% | 4.6e-12 | 26 |
+------------------------------------------------------------------+--------------+-----------+-----------+-----------------------+-----------------------+---------+---------+To display as an interactive HTML table on a browser, you can add option --format html+datatables.
HOMEPAGE
Please visit the project's homepage at https://metacpan.org/release/Bencher-Scenarios-Perl.
SOURCE
Source repository is at https://github.com/perlancar/perl-Bencher-Scenarios-Perl.
BUGS
Please report any bugs or feature requests on the bugtracker website https://rt.cpan.org/Public/Dist/Display.html?Name=Bencher-Scenarios-Perl
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.
SEE ALSO
AUTHOR
perlancar <perlancar@cpan.org>
COPYRIGHT AND LICENSE
This software is copyright (c) 2021, 2019, 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.