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Parallel Computing RSS FeedsInfoTipsandHelp.com - Info Tips and Help Resource....Feed Source: Capsule Reviews -
The Capsule Reviews are intended to provide a short succinct review of each paper in the issue in order to bring it to a wider readership. The Capsule Reviews were compiled by Fairouz Kamareddine. Professor Kamareddine is an Associate Editor of The Computer Journal and is based in the Department of Mathematical and Computer Sciences at Heriot-Watt University, Edinburgh, UK.
... On the Acceleration of Wavefront Applications using Distributed Many-Core Architectures -
In this paper we investigate the use of distributed graphics processing unit (GPU)-based architectures to accelerate pipelined wavefront applications—a ubiquitous class of parallel algorithms used for the solution of a number of scientific and engineering applications. Specifically, we employ a recently developed port of the LU solver (from the NAS Parallel Benchmark suite) to investigate the performance of these algorithms on high-perform... Performance Characteristics of Hybrid MPI/OpenMP Implementations of NAS Parallel Benchmarks SP and BT on Large-Scale Multicore Clusters -
The NAS Parallel Benchmarks (NPB) are well-known applications with fixed algorithms for evaluating parallel systems and tools. Multicore clusters provide a natural programming paradigm for hybrid programs, whereby OpenMP can be used with the data sharing with the multicores that comprise a node, and MPI can be used with the communication between nodes. In this paper, we use Scalar Pentadiagonal (SP) and Block Tridiagonal (BT) benchmarks of MPI N... Performance Analysis and Optimization of the OP2 Framework on Many-Core Architectures -
This paper presents a benchmarking, performance analysis and optimization study of the OP2 ‘active’ library, which provides an abstraction framework for the parallel execution of unstructured mesh applications. OP2 aims to decouple the scientific specification of the application from its parallel implementation, and thereby achieve code longevity and near-optimal performance through re-targeting the application to execute on differen... SST: A Scalable Parallel Framework for Architecture-Level Performance, Power, Area and Thermal Simulation -
In this paper, we describe the integrated power, area and thermal modeling framework in the structural simulation toolkit (SST) for large-scale high performance computer simulation. It integrates various power and thermal modeling tools and computes run-time energy dissipation for core, network on chip, memory controller and shared cache. It also provides functionality to update the leakage power as temperature changes. We illustrate the utiliza... Benchmarking Energy Efficiency, Power Costs and Carbon Emissions on Heterogeneous Systems -
With the advent of heterogeneous computing systems consisting of multi-core central processing units (CPUs) and many-core graphics processing units (GPUs), robust methods are needed to facilitate fair benchmark comparisons between different systems. In this paper, we present a benchmarking methodology for measuring a number of performance metrics for heterogeneous systems. Methods for comparing performance and energy efficiency are included. Con... Memory Trace Compression and Replay for SPMD Systems Using Extended PRSDs -
Concurrency levels in large-scale supercomputers are rising exponentially, and shared-memory nodes with hundreds of cores and non-uniform memory access latencies are expected within the next decade. However, even current petascale systems with tens of cores per node suffer from memory bottlenecks. As core counts increase, memory issues will become critical for the performance of large-scale supercomputers. Trace analysis tools are thus vital for... Leveraging Service Discovery in MANETs with Mobile Directories -
This paper advances a novel approach that facilitates the location of services and/or digital assets advertised by directories in a Mobile Ad hoc Network. The proposed Service Directory Placement Protocol (SDPP) improves scalability and reduces packet traffic overhead by advancing a multi-directory extension of an earlier approach that relied on the migration of a single directory through the network. This investigation demonstrates that modelli... Evaluation of a Java Ahead-of-Time Compiler for Embedded Systems -
Java embedded systems often include Java middleware classes installed on the client device. For higher performance, they can be compiled into machine code before runtime using an ahead-of-time compiler (AOTC). There are many approaches to AOTC, yet a bytecode-to-C (b-to-C) AOTC which translates the bytecode into the C code and then compiles it using an existing optimizing compiler such as gcc would be the most straightforward one. This paper exp... Worldstart Computer Tips and Techniques 03-24-2009 - 03-24-2009 - The Danger Of Jpegs + Make Your Mouse Better + Driver Basics... Worldstart Computer Tips and Techniques 03-23-2009 - 03-23-2009 - The Horror Of Invalid Filenames + Setting Up Single-Click Icon... Worldstart Computer Tips and Techniques 03-20-2009 - 03-20-2009 - Best-Or Worst-Browser Ever + EZ Computer Safety + Scratched CD... Worldstart Computer Tips and Techniques 03-19-2009 - 03-19-2009 - Ingenious Download Recovers Lost Files + Simple Way To Find Wh... Worldstart Computer Tips and Techniques 03-18-2009 - 03-18-2009 - Worms, Viruses And Trojans - Critical Information + Inkjet Ref... Worldstart Computer Tips and Techniques 03-17-2009 - 03-17-2009 - Discover What's REALLY Inside Your PC + Handling Alert Boxes +... Worldstart Computer Tips and Techniques 03-16-2009 - 03-16-2009 - Critical Warning Sounds You Can't Ignore + Undo A Disaster + F... Worldstart Computer Tips and Techniques 03-13-2009 - 03-13-2009 - Critical Update - Coming Soon? + Are You Saving Right? + Amazi... Worldstart Computer Tips and Techniques 03-12-2009 - 03-12-2009 - Awesome Download For Screen Captures + The Best Function Key +... Worldstart Computer Tips and Techniques 03-11-2009 - 03-11-2009 - Easy Way To Block Malicious Sites + Major Website Frustration ... Worldstart Computer Tips and Techniques 03-10-2009 - 03-10-2009 - WOW - See Our Amazing New Site + Killer Web Page Printing Tric... Worldstart Computer Tips and Techniques 03-09-2009 - 03-09-2009 - Mystery Button Magic + Computer Acronym 101 + Finally - Your F... Worldstart Computer Tips and Techniques 03-06-2009 - 03-06-2009 - Help Recovering From A Major Crash + Share A Folder Across You... Worldstart Computer Tips and Techniques 03-05-2009 - 03-05-2009 - Wow - A New Lightening Fast Browser + Why Compacting OE Messag... Copyright © 2012, InfoTipsandHelp.com. All Rights Reserved. |