Which one produces more? Having more or less plants?That's a pretty big space so you're going to want to keep things as simple as possible if it's just going to be you. Any of your mentioned methods will work but your going to have to decide on plant count. If your going to do a lot of plants of I would go DTW in coco but if you're going to keep it to a smaller plant count but big plants I would go RDWC
It will depend on a few factors. What you're trying to do is fill the canopy and leave no gaps. If you have short veg times then you want more plants. If you're happy with 4+ weeks of veg with lots of training you will easily be able to fill the canopy with less plants.Which one produces more? Having more or less plants?