addit.pl

#! perl
# Copyright (C) 2001-2003, Parrot Foundation.

=head1 NAME

examples/benchmarks/addit.pl - Variable Argument Subroutines

=head1 SYNOPSIS

    % time perl examples/benchmarks/addit.pl

=head1 DESCRIPTION

Joe Wilson's original Perl version of his C<varargs> subroutines
benchmark. It calls an "add it" function 500000 times in a loop and
prints the result (21001097.97).

=cut

use strict;
use warnings;

sub varargs_adder {
    my $sum = 0;
    for ( my $a = $#_ ; $a >= 0 ; --$a ) {
        $sum += $_[$a];
    }
    return $sum;
}
my $result = 0;
my @args;
$args[0] = 1000;
$args[1] = 7.100;
$args[2] = 87;
$args[3] = "3.87";
$args[4] = "21000000";

for ( my $x = 50000 ; $x >= 0 ; --$x ) {
    $result = varargs_adder(@args);
}
print "$result\n";

=head1 SEE ALSO

F<examples/benchmarks/addit.pasm>, F<examples/benchmarks/addit.pir>,
F<examples/benchmarks/addit2.pir>.

=cut

# Local Variables:
#   mode: cperl
#   cperl-indent-level: 4
#   fill-column: 100
# End:
# vim: expandtab shiftwidth=4: