This mod will automatically string red and green wire from long distance poles to other long distance poles that already have circuit wire going to them. In 0.17 it uses a shortcut toggle (like the roboport toggle) to turn it on and off.
Boodals's lua profiler for identifying performance intensive parts of mods, wrapped in a mod for convenient cross-mod requires. This is a developer tool, not meant for actual gameplay. It is intentionally desync unsafe. Do not use it in multiplayer.