High Performance Computing in Science and Engineering, Garching/Munich 2007
Transactions of the Third Joint HLRB and KONWIHR Status and Result Workshop, Dec. 3–4, 2007, Leibniz Supercomputing Centre, Garching/Munich, Germany
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Article
Energy model derivation for the DVFS automatic tuning plugin: tuning energy and power related tuning objectives
Energy consumption will become one of the dominant cost factors that will govern the next generation of large HPC centers. In this paper we present the Dynamic Voltage Frequency Scaling (DVFS) Plugin to automa...
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Chapter and Conference Paper
The PerSyst Monitoring Tool
This paper presents a systemwide monitoring and analysis tool for high performance computers with several features aimed at minimizing the transport of performance data along a network of agents. The aim of th...
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Chapter and Conference Paper
A Case Study of Energy Aware Scheduling on SuperMUC
In this paper, we analyze the functionalities for energy aware scheduling of the IBM LoadLeveler resource management system on SuperMUC, one of the world’s fastest HPC systems. We explain how LoadLeveler predi...
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Chapter and Conference Paper
591 TFLOPS Multi-trillion Particles Simulation on SuperMUC
Anticipating large-scale molecular dynamics simulations (MD) in nano-fluidics, we conduct performance and scalability studies of an optimized version of the code ls1 mardyn. We present our implementation requirin...
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Chapter and Conference Paper
A New Scalable Monitoring Tool Using Performance Properties of HPC Systems
We present a monitoring and analysis tool prototype for system wide monitoring of High Performance Computers. The tool uses formal specification of properties which are based on hardware counters. These evalua...
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Chapter and Conference Paper
Principles of Energy Efficiency in High Performance Computing
High Performance Computing (HPC) is a key technology for modern researchers enabling scientific advances through simulation where experiments are either technically impossible or financially not feasible to co...
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Chapter and Conference Paper
Automatic Performance Analysis of Large Scale Simulations
Develo** efficient parallel programs for supercomputers is a challenging task. It requires insight into the application, the parallelization concepts, as well as the parallel architectures. Performance analy...
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Chapter and Conference Paper
OMI4papps: Optimisation, Modelling and Implementation for Highly Parallel Applications
This article reports on first results of the KONWIHR-II project OMI4papps at the Leibniz Supercomputing Centre (LRZ). The first part describes Apex-MAP, a tunable synthetic benchmark designed to simulate the p...
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Chapter
Considering GPGPU for HPC Centers: Is It Worth the Effort?
In contrast to just a few years ago, the answer to the question “What system should we buy next to best assist our users” has become a lot more complicated for the operators of an HPC center today. In addition...
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Book and Conference Proceedings
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Chapter and Conference Paper
Topic 1: Support Tools and Environments
Support tools and environments are vital to the production of efficient parallel and distributed applications. This year, eleven papers were submitted to this topic area, from which five were accepted as full ...
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Chapter and Conference Paper
TeraFlops Computing with the Hitachi SR8000-F1: From Vision to Reality
These proceedings are concerned with results from scientific investigations obtained with calculations done on the Hitachi SR8000-F1 supercomputer at Leibniz Computing Center. The following contribution gives ...
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Chapter and Conference Paper
Pseudovectorization, SMP, and Message Passing on the Hitachi SR8000-F1
The Leibniz-Rechenzentrum in Munich has started operating a 112-node Hitachi SR8000-F1 with a peak performance of 1.3 Teraflops in the second quarter of 2000, the fastest computer in Europe. In order to make u...
