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The International Symposium on Supercomputing - New Horizon of Computational Science was held on September 1-3, 1997 at the Science MuseuminTokyo,tocelebrate60-yearbirthdayofProfessorDaiichiroSug- imoto,who hasbeenleadingtheoreticalandnumericalastrophysicsfor 30 years. The conference coveredexceptionally wide range ofsubjects, to follow Sugimoto'saccomplishmentsinmanyfields.Onthefirstdaywehadthree talksonstellarevolutionandsixtalksonstellardynamics. Onthesecond day, six talks on special-purpose computingand four talks on large-scale computing in MolecularDynamicswere given. Onthethirdandthelast day,threetalks on dedicatedcomputerson LatticeQCDcalculationsand sixtalksonpresentandfutureofgeneral-purposeHPCsystemsweregiven. Inaddition,some30posterswerepresentedonvarioussubjectsincompu- tationalscience. Instellarevolution, D.Arnett (Univ. ofArizona) gaveanexcellenttalk on the recent development in three-dimensionalsimulation ofSupernova, inparticularonquantitativecomparisonbetweendifferenttechniquessuch asgrid-basedmethodsandSPH (SmoothedParticleHydrodynamics). Y. Kondo (NASA) discussedresentadvanceinthemodelingoftheevolution ofbinarystars,and1.Hachisu(Univ. ofTokyo)discussedRayleigh-Taylor instabilitiesinsupernovae(contributionnotincluded).
Instellardynamics, P.Hut(lAS)gaveasuperbreviewonthelong-term evolution ofstellarsystem, J. Makino (Univ. ofTokyo) described briefly theresultsobtainedonGRAPE-4special-purposecomputerandthefollow- up project,GRAPE-6,whichisapprovedas ofJune 1997. GRAPE-6will be completed by year 2001 with the peak speed around 200 Tflops. R. Spurzem (Rechen-Inst.) and D. Heggie (Univ. of Edinburgh) talked on recentadvanceinthestudyofstarclusters,andE.Athanassoula(Marseille Observatory) describedthe work doneusingtheirGRAPE-3 systems. S. Ida (TokyoInst. ofTechnology) describedthe result ofthe simulationof theformationofMoon. Thefirst talkoftheseconddaywas given by F-H. Hsu oftheIBMT.J. Watson Research center, on "Deep Blue", the special-purpose computer for Chess,which, forthefirst timeinthehistory, wonthematchwiththe besthumanplayer,Mr. GaryKasparov(unfortunately,Hsu'scontribution isnot included in this volume). Then A. Bakker of Delft Inst. of Tech- nology looked back his 20 years ofdevelopingspecial-purpose computers formoleculardynamicsandsimulationofspinsystems. J.Arnoldgavean overviewoftheemergingnewfieldofreconfigurablecomputing,whichfalls inbetweentraditionalgeneral-purposecomputersandspecial-purposecom- puters.
S.Okumura(NAO)describedthehistoryofultra-high-performance digital signalprocessors for radio astronomy. They havebuilt a machine with 20GaPS performance in early 80s, and keep improvingthe speed. M. Taiji (ISM) told on general aspects of GRAPE-type systems, and T. Narumi (Univ. of Tokyo) the 100-Tflops GRAPE-type machine for MD calculations,whichwillbefinished by 1999.
Contents
Stellar Evolution, Stellar Dynamics and Tera-Flops Computation.- Simulation of Nature by Computer.- Supercomputing and Evolution in Close Binaries.- Stellar Dynamics of Dense Stellar Systems.- Stellar Dynamics on 200 Tflops Special-Purpose Computers.- Astrophysical N-Body Simulations: Algorithms and Challenges.- Star Cluster Simulations.- Stellar Dynamical Simulations of Galaxies and of Galaxy Systems Using the Marseille Grape-3 Systems.- Accretion of Planets and Moons.- What We Learned from Special Purpose Computers.- Reconfigurable Computing.- Special-Purpose Computer for Radio Astronomy.- Special-Purpose Computers for Classical Particle Simulations.- Molecular Dynamics Machine: Highly Parallelized Special-Purpose-Computer for Molecular Dynamics Simulations.- Molecular Simulations with the MD-Grape Special-Purpose Computer.- High Performance Computing in Biophysics: Recent Experiences and Developments of Charmm.- Massive Parallelism: The Hardware for Computational Chemistry?.- Molecular Dynamics Simulation of Ion Channels.- The QCDSP Computer: Particle Physics with 20,000 Processors.- The CP-PACS Project and Lattice QCD.- Three Generations of APE Projects: Lessons and Perspective.- Vector-Parallel Processing and Fujitsu VPP300E/700E Supercomputer System.- The Evolution of Rotating Collisional Stellar Systems.- Effects of the Alfvén Wave on the Gravitational Instability in the Interstellar Medium.- N-Body Simulation of Halo Formation Using GRAPE-4.- The PCI Interface for Grape Systems: PCI-HIB.- Fragmentation of Molecular Clouds: The Initial Phase of a Stellar Cluster.- Formation of Star Clusters in the Magellanic Clouds.- Three Dimensional MHD Simulations of Accretion Disks and Jet Formation.- Gravitational Collapse of Rotating Clouds: Bar Formation in aSelf-Similarly Contracting Disk.- The Formation and Evolution of Dwarf Galaxies: Hydrodynamics and Color Gradient.- Parallel 3D Lattice Boltzmann Simulations of Turbulent Dark Cloud Flows.- Photoionization of a Clumpy Universe.- Smoothed Particle Hydrodynamics with Parallel Virtual Machine.- Jets from Time-Dependent Accretion Flows onto a Black Hole.- Supercomputing in the Astronomical Institute of Romanian Academy.- Anisotropic Fokker-Planck Models of Globular Cluster Evolution.- An Efficient Parallel Hierarchical Algorithm for Module Placement.- The Efficient Parallel Newton-GMRES Algorithm for Computational Fluid Dynamics.- Molecular Mechanism of Homogeneous Nucleation in Vapor Phase: Lennard-Jones Fluid.- Development of Special Purpose Computer for Cosmic Hydrodynamics with SPH Method.
