R mclapply vs foreach

Question

I use mclapply for all my \"embarassingly parallel\" computations. I find it clean and easy to use, and when arguments mc.cores = 1 and mc.preschedule = TRUE

Answer 1

As Steve Weston (author of foreach) says here, using foreach with doParallel as backend you can initialize workers. This can be helpful for setting up a database connection more efficiently once per worker instead of once per task.