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            );
        }
    }

    return AI::Pathfinding::OptimizeMultiple::SimulationResults->new(
        {
            status      => $status,
            scan_runs   => \@scan_runs,
            total_iters => $board_iters,
        }
    );
}

sub _trace
{
    my ( $self, $args ) = @_;

    if ( my $trace_callback = $self->_trace_cb() )
    {
        $trace_callback->($args);
    }

    return;
}

sub get_total_iters
{
    my $self = shift;

    return $self->_total_iters();
}

sub _add_to_total_iters
{
    my $self = shift;

    my $how_much = shift;

    $self->_total_iters( $self->_total_iters() + $how_much );

    return;
}

sub _add_to_total_boards_solved
{
    my $self = shift;

    my $how_much = shift;

    $self->_total_boards_solved( $self->_total_boards_solved() + $how_much );

    return;
}

1;    # End of AI::Pathfinding::OptimizeMultiple

__END__

=pod

=encoding UTF-8

=head1 NAME

AI::Pathfinding::OptimizeMultiple - optimize path finding searches for a large
set of initial conditions (for better average performance).

=head1 VERSION

version 0.0.17

=head1 SYNOPSIS

    use AI::Pathfinding::OptimizeMultiple

    my @scans =
    (
        {
            name => "first_search"
        },
        {
            name => "second_search",
        },
        {
            name => "third_search",
        },
    );

    my $obj = AI::Pathfinding::OptimizeMultiple->new(
        {
            scans => \@scans,
            num_boards => 32_000,
            optimize_for => 'speed',
            scans_iters_pdls =>
            {
                first_search => $first_search_pdl,
                second_search => $second_search_pdl,
            },
            quotas => [400, 300, 200],
            selected_scans =>
            [
                AI::Pathfinding::OptimizeMultiple::Scan->new(
                    id => 'first_search',
                    cmd_line => "--preset first_search",
                ),
                AI::Pathfinding::OptimizeMultiple::Scan->new(
                    id => 'second_search',
                    cmd_line => "--preset second_search",
                ),
                AI::Pathfinding::OptimizeMultiple::Scan->new(
                    id => 'third_search',
                    cmd_line => "--preset third_search",
                ),
            ],
        }
    );

    $obj->calc_meta_scan();

    foreach my $scan_alloc (@{$self->chosen_scans()})
    {