grosser/parallel

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Parallel Run any code in parallel Processes(> use all CPUs), Threads(> speedup blocking operations), or Ractors(> use all CPUs). Best suited for map-reduce or e.g. parallel downloads/uploads. Install gem install parallel Usage # 2 CPUs -> work in 2 processes (a,b + c) results = Parallel.map(['a','b','c']) do |one_letter| SomeClass.expensive_calculation(one_letter) end # 3 Processes -> finished after 1 run results = Parallel.map(['a','b','c'], in_processes: 3) { |one_letter| SomeClass.expensive_calculation(one_letter)...