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An Evaluation of Computing Paradigms for N-body Simulations on Distributed Memory Architectures

by Collin Mccurdy, John Mellor-crummey - In Proc. Seventh Symp. on Principles and Practice of Parallel Programming , 1999
"... The eciency of HPF with respect to irregular applications is still largely unproven. While recent work has shown that a highly irregular hierarchical n-body force calculation method can be implemented in HPF, we have found that the implmentation contains ine- ciencies which cause it to run up to a f ..."
Abstract - Cited by 5 (5 self) - Add to MetaCart
The eciency of HPF with respect to irregular applications is still largely unproven. While recent work has shown that a highly irregular hierarchical n-body force calculation method can be implemented in HPF, we have found that the implmentation contains ine- ciencies which cause it to run up to a

An Evaluation of Computing Paradigms for N-body Simulations on Distributed Memory Architectures \Lambda

by unknown authors
"... Abstract The efficiency of HPF with respect to irregular applications is still largely unproven. While recent work has shown that a highly irregular hierarchical n-body force calculation method can be implemented in HPF, we have found that the implmentation contains inefficiencies which cause it to ..."
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Abstract The efficiency of HPF with respect to irregular applications is still largely unproven. While recent work has shown that a highly irregular hierarchical n-body force calculation method can be implemented in HPF, we have found that the implmentation contains inefficiencies which cause

BEOWULF: A Parallel Workstation For Scientific Computation

by Thomas Sterling, Donald J. Becker, Daniel Savarese, John E. Dorband, Udaya A. Ranawake, Charles V. Packer - In Proceedings of the 24th International Conference on Parallel Processing , 1995
"... Network-of-Workstations technology is applied to the challenge of implementing very high performance workstations for Earth and space science applications. The Beowulf parallel workstation employs 16 PCbased processing modules integrated with multiple Ethernet networks. Large disk capacity and high ..."
Abstract - Cited by 341 (13 self) - Add to MetaCart
, file transfer rates, and processing performance. The evaluation includes a computational fluid dynamics code and an N-body gravitational simulation program. It is shown that the Beowulf architecture provides a new operating point in performance to cost for high performance workstations, especially

Experiences with parallel N-body simulation

by Pangfeng Liu, Sandeep N. Bhatt , 2000
"... This paper describes our experiences developing high-performance code for astrophysical N-body simulations. Recent N-body methods are based on an adaptive tree structure. The tree must be built and maintained across physically distributed memory; moreover, the communication requirements are irregul ..."
Abstract - Cited by 24 (0 self) - Add to MetaCart
This paper describes our experiences developing high-performance code for astrophysical N-body simulations. Recent N-body methods are based on an adaptive tree structure. The tree must be built and maintained across physically distributed memory; moreover, the communication requirements

Experiences With Fractiling In N-Body Simulations

by Ioana Banicescu, Rong Lu - In Proceedings of High Performance Computing'98 Symposium , 1998
"... N-body simulations pose load balancing problems mainly due to the irregularity of the distribution of particles and to the different processing requirements of particles in the interior and of those near the boundary of the computation space. In the past, most of the methods to overcome performance ..."
Abstract - Cited by 9 (6 self) - Add to MetaCart
N-body simulations pose load balancing problems mainly due to the irregularity of the distribution of particles and to the different processing requirements of particles in the interior and of those near the boundary of the computation space. In the past, most of the methods to overcome performance

MinneSPEC: A New SPEC Benchmark Workload for Simulation-Based Computer Architecture Research

by AJ KleinOsowski, David J. Lilja - Computer Architecture Letters , 2002
"... Computer architects must determine how to most effectively use finite computational resources when running simulations to evaluate new architectural ideas. To facilitate efficient simulations with a range of benchmark programs, we have developed the MinneSPEC input set for the SPEC CPU 2000 benchmar ..."
Abstract - Cited by 226 (15 self) - Add to MetaCart
Computer architects must determine how to most effectively use finite computational resources when running simulations to evaluate new architectural ideas. To facilitate efficient simulations with a range of benchmark programs, we have developed the MinneSPEC input set for the SPEC CPU 2000

Water --- an N-body Simulation Program on a Distributed Architecture

by John Romein
"... This report describes the implementation of Water, an N-body simulation program that runs on a distributed architecture. It is ported from a shared memory implementation. The program is written in C and runs on a pool of idle workstations under the Amoeba distributed operating system. The results sh ..."
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This report describes the implementation of Water, an N-body simulation program that runs on a distributed architecture. It is ported from a shared memory implementation. The program is written in C and runs on a pool of idle workstations under the Amoeba distributed operating system. The results

The Parallel Implementation of N-body Algorithms

by Pangfeng Liu , 1994
"... This dissertation studies issues critical to efficient N-body simulations on parallel computers. The N-body problem poses several challenges for distributed-memory implementation: adaptive distributed data structures, irregular data access patterns, and irregular and adaptive communication patterns. ..."
Abstract - Cited by 13 (1 self) - Add to MetaCart
This dissertation studies issues critical to efficient N-body simulations on parallel computers. The N-body problem poses several challenges for distributed-memory implementation: adaptive distributed data structures, irregular data access patterns, and irregular and adaptive communication patterns

N-Body Simulation Using GP-GPU: Evaluating Host/Device Memory Transference Overhead

by Sergio M Martin , Fernando G Tinetti , Nicanor B Casas , Graciela E De Luca , Daniel A Giulianelli
"... Abstract. N-Body simulation algorithms are amongst the most commonly used within the field of scientific computing. Especially in computational astrophysics, they are used to simulate gravitational scenarios for solar systems or galactic collisions. Parallel versions of such N-Body algorithms have ..."
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Abstract. N-Body simulation algorithms are amongst the most commonly used within the field of scientific computing. Especially in computational astrophysics, they are used to simulate gravitational scenarios for solar systems or galactic collisions. Parallel versions of such N-Body algorithms have

INTERACTIVE N-BODY SIMULATIONS ON THE GRID: HLA VERSUS MPI

by Katarzyna Rycerz, Alfredo Tirado-ramos, Alessia Gual, Simon F. Portegies Zwart, Marian Bubak, Peter M, A. Sloot, Katarzyna Rycerz, Alfredo Tirado-ramos, Alessia Gualandris, Simon F. Portegies Zwart, Marian Bubak, Peter M. A. Sloot
"... The grid paradigm for distributed computation provides an interesting framework for the simulation of dense stellar systems, which remains a great challenge for astrophysicists. In this work we apply a distributed simulation model to the astrophysical N-body problem: the High Level Architecture (HLA ..."
Abstract - Cited by 1 (0 self) - Add to MetaCart
The grid paradigm for distributed computation provides an interesting framework for the simulation of dense stellar systems, which remains a great challenge for astrophysicists. In this work we apply a distributed simulation model to the astrophysical N-body problem: the High Level Architecture
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