A PARALLEL SELF-CONSISTENT FIELD CODE
Lars Hernquist, Greg L. Bryan · 1995
... communications overhead between nodes in a parallel implementation. Ideal load-balancing is achieved proportion toadvancesincomputationalhardware. sincepreciselythesamenumberofoperationsareneededtocomputetheaccelerationforeachparticle. Consequently,theSCFtechniqueisperfectlyscalableandthesizeoffeasibleapplicationswillgrowinsimple discussedinthecontextofcollisionlessdynamics. withparticlenumbersintherangeN107�108:5arenowpossible.Largerplatformsshouldmake demonstratetheecientandscalablenatureofthealgorithm.Dependingontheapplication,simulations simulationswithbillionsofparticlesfeasibleinthenearfuture.Specicastrophysicalapplicationsare WedescribeanSCFcodedevelopedforandtestedonaConnectionMachine5.Empiricaltests orbitsfromonetypetoanother. hasalsobeentrueofcomputermodelsofdwarfgalaxieswhichusuallycontain106�107stars,although therelaxationtimeincomputersimulationsofgalaxiesismuchshorterthaninreality.Todate,thesame numerically,computermodelsemployfarfewerparticlesthanthenumberofstarsinalargegalaxy.Thus, representphasespacewithNdiscreteparticles.AsitisnotyetpossibletoevolveN1011�1012particles Generally,thedynamicsofgalaxiesaremosteasilystudiedusingMonteCarlosimulationswhich