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Einrichtungen >> Zentrale wissenschaftliche Einrichtungen der FAU >> Regionales Rechenzentrum Erlangen (RRZE) >>

Abteilung Zentrale Systeme (RRZE)

	2015 Quantifying performance bottlenecks of stencil computations using the Execution-Cache-Memory model
	2014 Domain-Specific Optimization of Two Jacobi Smoother Kernels and Their Evaluation in the ECM Performance Model ESSEX: Equipping Sparse Solvers for Exascale Exploring performance and power properties of modern multicore chips via simple machine models Multicore-optimized wavefront diamond blocking for optimizing stencil updates Performance Engineering for a Medical Imaging Application on the Intel Xeon Phi Accelerator
	2012 Asynchronous Checkpointing by Dedicated Checkpoint Threads LIKWID Tutorial: Lightweight performance tools MPC and Coarray Fortran: alternatives to classic MPI implementations on the examples of scalable lattice Boltzmann flow solvers
	2011 Checkpoint/Restart for Fault Tolerant MPI Programs: A Case Study using a Lattice Boltzmann Code and the NAS Parallel Benchmarks Domain decomposition and locality optimization for large-scale lattice Boltzmann simulations Efficient multicore-aware parallelization strategies for iterative stencil computations GPGPU Implementation of the LBM: Architectural Requirements and Performance Result GPU Optimizations at RRZE Node-level performance of the lattice Boltzmann method on recent multicore CPUs I Node-level performance of the lattice Boltzmann method on recent multicore CPUs II Parallel sparse matrix-vector multiplication as a test case for hybrid MPI+OpenMP programming Performance analysis and optimization strategies for a D3Q19 lattice Boltzmann kernel on nVIDIA GPUs using CUDA Performance Optimizations for Heterogeneous and Hybrid 3D Lattice Boltzmann Simulations on Highly Parallel On-Chip Architectures Spatiotemporal evolution of polaronic states in finite quantum systems The Lattice Boltzmann Method: Basic Performance Characteristics and Performance Modeling WaLBerla: Heterogeneous Simulation of Particulate Flows on GPU Clusters
	2010 A Pipelined, Multicore-aware Approach to Parallel Temporal Blocking of Stencil Codes for Shared and Distributed Memory, Facing the Multicore-Challenge Complexities of Performance Prediction for Bandwidth-Limited Loop Kernels on Multi-Core Architectures Eine kritische Betrachtung von Performance und Performancedaten aktueller Systeme Experience with large-scale systems: Part II - large-scale hardware and using large-scale systems Introducing a Performance Model for Bandwidth-Limited Loop Kernels Introduction to High Performance Computing for Scientists and Engineers Leveraging shared caches for parallel temporal blocking of stencil codes on multicore processors and clusters LIKWID performance tools LIKWID: A Lightweight Performance-Oriented Tool Suite for x86 Multicore Environments Luttinger, Peierls or Mott? Quantum Phase Transitions in Strongly Correlated 1D Electron–Phonon Systems Multicore-aware parallel temporal blocking of stencil codes for shared and distributed memory Optimizations on Highly Parallel On-Chip Architectures: GPUs vs. Multi-Core CPUs (for stencil codes) Optimizing ccNUMA locality for task-parallel execution under OpenMP and TBB on multicore-based systems Partitioning for lattice Boltzmann solver Performance Limitations for Sparse Matrix-Vector Multiplications on Current Multi-Core Environments Performance Modeling and Multicore-aware Optimization for 3D Parallel Lattice Boltzmann Simulations, Facing the Multicore-Challenge Performance Modeling and Optimization for 3D Lattice Boltzmann Simulations on Highly Parallel On-Chip Architectures: GPUs Vs. Multi-Core CPUs Thirteen modern ways to fool the masses with performance results on parallel computers Thirteen modern ways to fool the masses with performance results on parallel computers
	2009 Anderson disorder in graphene nanoribbons: A local distribution approach Application of the lattice-Boltzmann method in chemical engineering and medical physics Benchmark analysis and application results for lattice Boltzmann simulations on NEC SX vector and Intel Nehalem systems Challenges of the multi-core era -- from the lattice Boltzmann perspective Efficient temporal blocking for stencil computations by multicore-aware wavefront parallelization Efficient temporal blocking for stencil computations by multicore-aware wavefront parallelization Einweihung des neuen Clusters Enabling temporal blocking for a lattice Boltzmann flow solver through multicore aware wavefront parallelization Enabling temporal blocking for stencil computations by multicore-aware wavefront parallelization Experience with large-scale systems: Part I - large-scale hardware High Performance Computing in the Multi-Core Era -- Why care about performance HPC and multi-/many-core systems- Potentials and challenges for simulation Hybrid MPI/OpenMP Parallel Programming on Clusters of Multi-Core SMP Nodes Hybrid OpenMP/MPI Programming and Other Models for Multi-Core Architectures Multicore-aware wavefront parallelization of a lattice Boltzmann flow solver Numerical approaches to time evolution of complex quantum systems Optimization and Parallelization of an Highly Scalable Lattice Boltzmann Flow Solver for Porous Media Flow (Part 2) Performance Evaluation of Numerical Compute Kernels on GPUs Performance Studies on the NEC SX-9 Vector System (Part 1) Quantum phase transition in a 1D transport model with boson affected hopping: Luttinger liquid versus charge-density-wave behavior Quantum Transport within a Background Medium: Fluctuations versus Correlations RZBENCH: performance evaluation of current HPC architechtures using low-level and application benchmarks Selecting an Appropriate Computational Platform for Supporting the Development of New Catalyst Carriers Speeding up a Lattice Boltzmann Kernel on nVIDIA GPUs Speeding up a Lattice Boltzmann Kernel on nVIDIA GPUs The world's fastest CPU and SMP node: Some performance results from the NEC SX-9 The world's fastest CPU and SMP node: Some performance results from the NEC SX-9 Towards multicore-aware wavefront parallelization of a lattice Boltzmann flow solver Vector Computers in a World of Commodity Clusters, Massively Parallel Systems and Many-Core Many-Threaded CPUs: Recent Experience Based on an Advanced Lattice Boltzmann Flow Solver Windows HPC in Erlangen: Accounting, Monitoring, Projekte
	2008 3D simulation of the local flow field in ceramic foam structures A first view to a homogeneous many-core system on a chip architecture Advanced Computing – Softwareoptimization Architecture and performance characteristics of modern compute clusters - Tales from the trenches Architecture and Performance Characteristics of Modern High Performance Computers Architecture and performance of multi-/many core systems Challenges of modern HPC architectures – lessons learned from a Lattice-Boltzmann/CFD solver Correlation-induced metal insulator transition in a two-channel fermion-boson model Data access characteristics and optimizations for SUN ULTRASPARC T2 AND T2+ systems Data access optimizations for highly threaded multi-core CPUs with multiple memory controllers Direct Numerical Simulation of Turbulent Flow Over Dimples – Code Optimization for NEC SX-8 plus Flow Results Introducing a parallel cache oblivious blocking approach for the lattice Boltzmann method Local and integral transport characteristics of novel consoldated and unconsolidated structures for catalytic applications Localized polarons and doorway vibrons in finite quantum structures Metallicity in the half-filled Holstein-Hubbard model Moderne Architekturen für paralleles Rechnen New architectures for HPC - Challenges and potential On Performance and Accuracy of Lattice Boltzmann Approaches for Single Phase Flow in Porous Media: A Toy Became an Accepted Tool — How to Maintain Its Features Despite More and More Complex (Physical) Models and Changing Trends in High Performance Computing!? Optimization Techniques for Modern High Performance Computers Performance comparison of different parallel lattice Boltzmann implementations on multi-core multi-socket systems Performance evaluation of a parallel sparse lattice Boltzmann solver Performance evaluation of numeric compute kernels on nVIDIA GPUs Pore-scale analysis of Newtonian flow in the explicit geometry of vertebral trabecular bones using lattice Boltzmann simulation Simulation und Analyse von durchströmten Kugelschüttungen in engen Rohren unter Verwendung von Hochleistungsrechnern Why care about cluster performance? Windows CCS im Produktionsbetrieb und erste Erfahrungen mit HPC Server 2008
	2007 Carrier-density effects in many-polaron systems Challenges of changing (HPC) hardware - A biased view based on lattice Boltzmann flow solvers Efficient implementation of simple lattice Boltzmann kernels Experiences with Intel dual-core processor systems: From small to large scales Experiences with Intel Woodcrest Cluster Experiences with scalability at a large university system Flow simulation with lattice Boltzmann methods: Basics and recent enhancements HQS@HPC: Improving Scalability of large sparse ED studies on HLRB-II Investigations of Flow and Species Transport in Packed Beds by Lattice Boltzmann Simulations Leistungscharakteristik moderner Clustersysteme Some comments on architecture and performance characteristics of modern compute clusters The spin-Peierls chain revisited Woodcrest-Cluster @ RRZE
	2006 Application performance – from single processors to terascale systems Architecture and Performance Characteristics of Modern Processors Discussion about the possibilities of microscale flow analysis in trabecular vertebral bone Efficient implementation of simple lattice Boltzmann kernels Have the Vectors the Continuing Ability to Parry the Attack of the Killer Micros? Hole doped Hubbard ladders Improving computational efficiency of lattice Boltzmann methods on complex geometries Investigation of flow and transport in packed beds by lattice Boltzmann simulations Many-polaron problem by cluster perturbation theory Microscale flow analysis in trabecular vertebral bone Modeling and Optimization of Itanium2 processor performance - a key issue for Terascale performance on SGI Altix systems Moderne Mikroprozessoren – Architektur und grundlegende Optimierungsansätze MPI parallelisation and performance aspects of a graph-based LB flow solver On the single processor performance of simple lattice Boltzmann kernels Optical response of many-polaron systems Optimizing performance on modern HPC systems: learning from simple kernel benchmarks Parallel Computing Parallel Lattice Boltzmann Methods for CFD Applications Phase diagram of the spin-Peierls chain with local coupling: Density-matrix renormalization-group calculations and unitary transformations Pore-scale simulation of transport processes in fixed-beds: Combining a lattice Boltzmann CFD method and a particle tracking method Simulation von Stofftransportvorgängen in Festbetten mittels eines Particle-Tracking-Verfahrens Spectral signatures of Holstein polarons Spectral signatures of the Luttinger liquid to the charge-density-wave transition The kernel polynomial method Towards optimal performance for lattice Boltzmann applications on terascale computers Voume flow rate distribution in flow (non-Newtonian) through porous bone structure
	2005 Application Performance of Terascale Systems Architecture and Performance of Terascale Computers BESTWIHR: Testing of a Closure Assumption for Fully Developed Turbulent Channel Flow with the Aid of a Lattice Boltzmann Simulation Combination of Detailed CFD Simulations Using the Lattice Boltzmann Method and Experimental Measurements Using the NMR/MRI Technique Comparative numerical study of Anderson Localization in disordered electron systems Comparison of Parallel Programming Models on Clusters of SMP Nodes cxHPC: Setting up ByGRID — First Steps Towards an e-Science Infrastructure in Bavaria Detailed simulation of transport processes in fixed-beds reactors DMRG Investigation of Stripe Formation in Doped Hubbard Ladders Effcient flow simulation on high performance computers Exact Numerical Treatment of Finite Quantum Systems Using Leading-Edge Supercomputers FreeWIHR: Lattice Boltzmann Methods with Free Surfaces and their Application in Material Science Future HPC architectures: A user’s perspective HQS@HPC: Comparative numerical study of Anderson localisation in disordered electron systems Interactive fluid dynamics: Computational steering of lattice Boltzmann simulations Luttinger liquid versus charge density wave behaviour in the one-dimensional spinless fermion Holstein model On advanced lattice Boltzmann methods: Analysis of different boundary conditions and evaluation of a novell hybrid thermal model Optical absorption and activated transport in polaronic systems Optimizing Performance of the Lattice Boltzmann Method for Complex Structures Optimizing performance of the lattice Boltzmann method for complex structures on cache-based architectures Ortsaufgelöste Simulation von Transportprozessen in durchströmten Schüttungen Performance experience on current CPUs Performance of Scientific Applications on Modern Supercomputers Photoemission spectra of many-polaron systems Single-particle excitations and phonon softening in the one-dimensional spinless Holstein model Stripe formation in doped Hubbard ladders Testing of Closure Assumption for Fully Developed Turbulent Channel Flow with the Aid of a Lattice Boltzmann Simulation Towards optimal performance for lattice Boltzmann applications on terascale computers
	2004 Application performance of modern number crunchers cxHPC: Setting up ByGRID --- First Steps Towards an e-Science Infrastructure in Bavaria Das Lattice Boltzmann Verfahren und seine Anwendung in komplexen Strömungsgebieten Die Welt der Supercomputer - Erfolg durch Stategie: Kompetenzteam für Hochleistungsrechner und technisch-wissenschaftliche Simulation Is there still a need for tailored HPC systems or can we go with commodity off-the-shelf clusters - Some comments based on performance measurements using a lattice Boltzmann flow solver MRI investigation and complementary numerical simulations of flow through random bead packings with low aspect ratio Numerical flow simulations on high performance computers: Possibilities, potentials and needs of computational fluid dynamics Numerical pore-scale studies of transport phenomena in fixed beds On Optimized Implementations of the Lattice-Boltzmann Method on Contemporary High Performance Architectures Optimization approaches and performance characteristics of lattice Boltzmann kernels Ortsaufgelöste Simulation von Transportprozessen in porösen Medien zur Untersuchung von Dispersion und Verweilzeitverhalten Parallelization strategies for density matrix renormalization group algorithms on shared-memory systems Performance characteristics of modern supercomputers Performance Evaluation of Parallel Large-Scale Lattice Boltzmann Applications on Three Supercomputing Architectures Quantum lattice dynamical effects on single-particle excitations in one-dimensional Mott and Peierls insulators Simulation of transport processes in hierarchical materials Strömungssimulation mit Lattice Boltzmann Verfahren auf Hochleistungsrechnern: Ein Vergleich mit NMR/MRI Messungen Tera-scale lattice Boltzmann flow simulations: Fully developed channel flow Transportvorgänge in porösen Medien: Vergleich Lattice Boltzmann CFD-Simulation und NMR/MRI-Messung
	2003 A Lightweight Java Taskspaces Framework for Scientific Computing on Computational Grids A User-Oriented Set of Quantum Chemical Benchmarks Application performance of state-of-the-art HPC systems Application performance of state-of-the-art processors: A comparison Architektur und Performancecharakteristik moderner HPC Systeme Architektur und Performancecharakteristik moderner HPC Systeme Beschaffung eines High-Performance-Compute Cluster am RRZE Communication and optimization aspects of parallel programming models on hybrid architectures Die Welt der Supercomputer Efficient flow simulation on high performance computers Fast Sparse Matrix-Vector Multiplication for TeraFlop/s Computers HPC-Cluster am RRZE und LRZ: Beschaffung und Leistungsbewertung Hybride Programmiermodelle für SMP-Cluster Lattice Boltzmann CFD simulation of reacting flow in isothermal fixed-bed reactors Lattice Boltzmann Simulation and Visualisation of Adsorption Processes in Complex Geometries Möglichkeiten und Grenzen von Lattice Boltzmann Simulationen in der Verfahrenstechnik Nature of the Peierls- to Mott-insulator transition in 1D One-dimensional electron-phonon systems: Mott- versus Peierls-insulators Optimization and Profiling of the Cache Performance of Parallel Lattice Boltzmann Codes Parallelization Strategies for Density Matrix Renormalization Group algorithms on Shared-Memory Systems Performance von Anwenderprogrammen auf modernen Hochleistungsrechnern Processor Architecture and Application Performance in Modern Supercomputers Pseudo-Vectorization and RISC Optimization Techniques for the Hitachi SR8000 Architecture Recent advances in lattice Boltzmann methods Simulation of highly loaded gas-solid two-phase flows by combining a cellular automata for the particles with a lattice Boltzmann flow solver
	2002 Analysis of the flow field and pressure drop in fixed-bed reactors with the help of lattice Boltzmann simulations Architecture and Performance Characteristics of the Hitachi SR8000-F1 TFlops System at LRZ Munich Benchmarks Itanium2 Center of Excellence for High Performance Computing in Erlangen Density-matrix algorithm for phonon Hilbert space reduction in the numerical diagonalization of quantum many-body systems Ergebnisse exakter Diagonalisierung stark korrelierter Elektron-Phonon-Systeme Exact diagonalization results for strongly correlated electron-phonon systems Exact study of spin, orbital, and lattice degrees of freedom in CMR manganites Fast sparse matrix-vector multiplication for TFlops computers Peierls-insulator Mott-insulator transition in 1D Pseudo-Vectorization and RISC Optimization Techniques for the Hitachi SR8000 Architecture
	2001 Architektur und Programmierung moderner Vektorrechner am Beispiel des Fujitsu VPP300 Computer simulation of Ostwald ripening for ion beam synthesis of buried layers Density-matrix algorithm for phonon Hilbert space reduction in the numerical diagonalization of quantum many-body systems Der Memory-Server am Regionalen Rechenzentrum Erlangen Exact diagonalization of large sparse matrices: A challenge for modern supercomputers Härtetest für die Hitachi SR8000: Hybride Architektur und Performance von Anwenderprogrammen im Vergleich mit modernen MPP- und Vektorrechnern Introduction to architecture and performance of Europeans first TeraFlops supercomputer: The Hitachi SR8000 Introduction to architecture and performance of Europeans first TeraFlops supercomputer: The Hitachi SR8000 Jacobi-Davidson algorithm with fast matrix vector multiplication on massively parallel and vector supercomputers Pseudovectorization and hybrid programming on the Hitachi SR8000: A performance comparison with traditional MPP and vector systems Quantum lattice effects in mixed-valence transition-metal chain complexes
	2000 Anwenderprogramme auf der Hitachi SR8000: Erste Performancevergleiche mit modernen Vektor- und MPP-Systemen Europe's most powerful supercomputer: Hitachi SR8000@LRZ-Munich Lattice polaron formation: Effects of nonscreened electron-phonon interaction Local mode behavior in quasi-1D CDW systems Optimized phonon approach for the diagonalization of electron-phonon problems Simulation der Ostwald-Reifung Towards the limits of present-day supercomputers: Exact diagonalization of strongly correlated electron-phonon systems Untersuchung von Diffusionsvorgängen in porösen Medien mit dem Lattice-Boltzmann Verfahren
	1999 3D time-dependent numerical simulation of buoyant convection in vertical melt cylinders under the influence of rotating magnetic fields Lattice dimerization in the spin–Peierls compound CuGeO3 Pairing susceptibility of strongly correlated electrons weakly coupled to the lattice Quantum lattice fluctuations in a frustrated Heisenberg spin-Peierls chain Statusbericht zur Beschaffung eines „Höchstleistungsrechners in Bayern“
	1998 Dynamical pairing correlations in the t-J model with non-adiabatic hole-phonon coupling Optical absorption and single-particle excitations in the two-dimensional Holstein t-J model Peierls dimerization with nonadiabatic spin-phonon coupling Self-trapping problem of electrons or excitons in one dimension
	1997 On the stability of polaronic superlattices in strongly coupled electron-phonon systems Polaron band formation in the Holstein model Polaronic effects in strongly coupled electron-phonon systems: Exact diagonalization results for the 2D Holstein t-J model Spectral properties of the 2D Holstein polaron Spectral properties of the 2D Holstein t-J model
	1996 Polarons and bipolarons in strongly interacting electron-phonon systems
	1995 Hole-polaron formation in the two-dimensional Holstein t-J model: A variational Lanczos study



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