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#!/usr/bin/perl -w
use strict;
use Math::GSL::Sort qw/:all/;
use Math::GSL::RNG qw/:all/;
use Benchmark qw/:all/;
use Data::Dumper;
my $count = shift || 1000;
my $length = shift || 5000;
my $rng = Math::GSL::RNG->new;
my @data1 = map { (-1)**$_ * $rng->get } (1..$length);
my @data2 = map { (-1)**$_ * int(rand(2**30)) } (1..$length);
my @stuff;
print "Benchmarking for Math::GSL::RNG data\n";
timethese($count, {
'perl sort ' => sub { @stuff = sort { $a <=> $b } @data1 },
'Math::GSL sort' => sub { @stuff = gsl_sort(\@data1,1,$#data1+1) },
});
print "Benchmarking for rand() data\n";
timethese($count, {
'perl sort ' => sub { @stuff = sort { $a <=> $b } @data2 },
'Math::GSL sort' => sub { @stuff = gsl_sort(\@data2,1,$#data2+1) },
});
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