Parallelismabounds.Nowadays,anymodernCPUcontainsatleasttwocores,whereassomeCPUsfeaturemorethan50processingunits.AnevenhigherdegreeofparallelismisavailableonlargersystemscontainingmultipleCPUssuchasservernodes,clusters,andsupercomputers.Thus,theabilitytoprogramthesetypesofsystemseffic