my $bundle_size = exists($vliw{"bundle_size"}) ? $vliw{"bundle_size"} : 3;
my $bundles_per_cycle = exists($vliw{"bundles_per_cycle"}) ? $vliw{"bundles_per_cycle"} : 1;
my $bundle_size = exists($vliw{"bundle_size"}) ? $vliw{"bundle_size"} : 3;
my $bundles_per_cycle = exists($vliw{"bundles_per_cycle"}) ? $vliw{"bundles_per_cycle"} : 1;