Use of ArcLocks

[alexandermorozov]

What do you think about removing ArcLocks from Leaf codebase? There is a lot of .read().unwrap(), Arc::new(RwLock::new(..)) and then let inputs_locked: Vec<_> = inputs.iter().map(|b| b.read().unwrap()).collect() that make code harder to read. Users of Leaf also have to wrap inputs in ArcLocks.

I think when autumnai/collenchyma#37 is implemented, there would be less problems with borrowing, and ArcLocks can be removed (but I'm not completely sure yet).

Or are there plans to introduce multithreading that require all inputs/outputs/weights to be wrapped in this way?