Just FYI, since you appear to be rather new to Julia, this is indeed an extremely well known issue for which countless man-hours have gone (and will continue to go!) towards. Your concerns are completely valid, and shared by many (google “Julia time to first plot” and you will find many likeminded people), but I’m afraid there isn’t much more to be said that hasn’t already been said. Do note, however, that it is getting better with every new Julia version! I assure you they are trying their best 
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