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Reconfigurable accelerator for quantum Monte Carlo simulations in N-body systems n体系统中量子蒙特卡罗模拟的可重构加速器
Pub Date : 2006-11-11 DOI: 10.1145/1188455.1188638
A. Gothandaraman, G. L. Warren, G. D. Peterson, R. Harrison
Recent advances in FPGA technology make them an attractive platform for accelerating scientific computing applications. We present a novel hardware accelerator for Quantum Monte Carlo simulations in N-body systems. The design is deeply pipelined and exploits the inherent fine-grained parallelism available using an FPGA for all calculations. The design is implemented on a Xilinx Virtex II Pro XC2VP30 device and preliminary results indicate a maximum operating frequency of 100MHz. A single instance of our design offers an estimated speedup of 20x and accuracy comparable to the serial code running on a 2.8GHz Intel Pentium 4 processor. This architecture performs all computations with fixed-point representation and delivers accuracy on the order of or better than double-precision floating point. After deploying a single instance on the present FPGA platform, targeting our design on the Cray XD1 platform with a high gate-density FPGA will allow us to operate multiple cores in parallel.
FPGA技术的最新进展使其成为加速科学计算应用的有吸引力的平台。提出了一种用于n体系统中量子蒙特卡罗模拟的新型硬件加速器。该设计是深度流水线的,并利用FPGA可用于所有计算的固有细粒度并行性。该设计在Xilinx Virtex II Pro XC2VP30设备上实现,初步结果表明最大工作频率为100MHz。我们设计的一个实例提供了大约20倍的加速和精度,可与2.8GHz英特尔奔腾4处理器上运行的串行代码相媲美。该体系结构使用定点表示执行所有计算,并提供与双精度浮点数相同或更好的精度。在现有的FPGA平台上部署单个实例后,针对我们在Cray XD1平台上的设计,使用高栅极密度FPGA将允许我们并行操作多个内核。
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引用次数: 7
The structural simulation toolkit: exploring novel architectures 结构模拟工具包:探索新颖的体系结构
Pub Date : 2006-11-11 DOI: 10.1145/1188455.1188618
Arun Rodrigues, R. Murphy, P. Kogge, K. Underwood
Exploring novel computer system designs requires modeling the complex interactions between processor, memory, and network. The Structural Simulation Toolkit (SST) has been developed to explore innovations in both the programming models and hardware implementation of highly concurrent systems. The Toolkit's modular design allows extensive exploration of system parameters while maximizing code reuse and provides an explicit separation of instruction interpretation from microarchitectural timing. This is built upon a high performance hybrid discrete event framework. The SST has modeled a variety of systems, from processor-in-memory to CMP and MPP. It has examined a variety of hardware and software issues in the context of HPC.This poster presents an overview of the SST. Several of its models for processors, memory systems, and networks will be detailed. Its software stack, including support for MPI and OpenMP, will also be covered. Performance results and current directions for the SST will also be shown.
探索新的计算机系统设计需要对处理器、存储器和网络之间复杂的相互作用进行建模。结构模拟工具包(SST)的开发是为了探索高度并发系统的编程模型和硬件实现方面的创新。Toolkit的模块化设计允许对系统参数进行广泛的探索,同时最大化代码重用,并提供了指令解释与微架构计时的显式分离。这是建立在一个高性能的混合离散事件框架。SST已经模拟了各种系统,从内存中的处理器到CMP和MPP。它研究了HPC背景下的各种硬件和软件问题。这张海报概述了海温。它的几个处理器、存储系统和网络模型将被详细介绍。它的软件栈,包括对MPI和OpenMP的支持,也将被介绍。性能结果和海温的当前方向也将显示。
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引用次数: 29
Open MPI community meeting 开放MPI社区会议
Pub Date : 2006-11-11 DOI: 10.1145/1188455.1188461
J. Squyres, Brian W. Barrett
The Open MPI Project is a growing community surrounding an open source implementation of the Message Passing Interface, developed in a collaboration between research institutions, HPC vendors, and US national laboratories. Open MPI has evolved into a high performance, scalable MPI implementation, providing a highly modular architecture that not only adapts to a wide variety of environments, but also uniquely lends itself to HPC research.The meeting will consist of three parts:1. Members of the Open MPI core development team will be presenting the current status of Open MPI. 2. Discuss possible future directions for Open MPI, actively soliciting feedback from real-world MPI users and ISVs with MPI-based products. 3. Active discussion about how HPC researchers can leverage the Open MPI project for their own work, and how MPI users can obtain the best performance out of real-world applications.
Open MPI项目是一个不断发展的社区,围绕着消息传递接口的开源实现,由研究机构、HPC供应商和美国国家实验室合作开发。Open MPI已经发展成为一种高性能、可扩展的MPI实现,提供了一个高度模块化的架构,不仅适应各种环境,而且还独特地适用于HPC研究。会议将由三个部分组成:Open MPI核心开发团队的成员将介绍Open MPI的当前状态。2. 讨论Open MPI未来可能的发展方向,积极征求实际MPI用户和基于MPI产品的独立软件开发商的反馈。3.关于HPC研究人员如何利用Open MPI项目进行自己的工作,以及MPI用户如何从实际应用程序中获得最佳性能的积极讨论。
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引用次数: 3
Introducing LiquidIQ: a next generation system for high performance computing 介绍liqudiq:下一代高性能计算系统
Pub Date : 2006-11-11 DOI: 10.1145/1188455.1188762
Mike Kemp
Liquid Computing has delivered the world's first Interconnect Driven Server. The company's flagship product, LiquidIQ(tm), merges computing and communications resources into a scalable system that delivers sustained performance throughput. It also introduces entirely new manageability and control characteristics that cannot be achieved with today's commodity servers, switching equipment and software overlays. The underlying IQInterconnect(tm) delivers highly redundant communications across multiple chassis by addressing key routing and load balancing limitations of common interconnect technologies. LiquidIQ server instances are defined in software; computing, memory and I/O resources can be combined from any location in the system without performance degradation. LiquidIQ provides the flexibility to support both large SMP and cluster operations using MPI and UPC. This session will review the specifics of its integrated, optimized and controlled system architecture and provide session attendees with performance results from its beta program with several leading high performance computing users.
液体计算已经交付了世界上第一个互连驱动服务器。该公司的旗舰产品LiquidIQ(tm)将计算和通信资源合并到一个可扩展的系统中,提供持续的性能吞吐量。它还引入了全新的可管理性和控制特性,这是当今的商用服务器、交换设备和软件覆盖层无法实现的。底层IQInterconnect(tm)通过解决常见互连技术的关键路由和负载平衡限制,提供跨多个机箱的高度冗余通信。LiquidIQ服务器实例在软件中定义;计算、内存和I/O资源可以从系统中的任何位置组合而不会降低性能。LiquidIQ灵活地支持大型SMP和使用MPI和UPC的集群操作。本次会议将回顾其集成、优化和控制系统架构的细节,并向与会者提供其测试程序与几个领先的高性能计算用户的性能结果。
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引用次数: 0
Toward material-specific simulations of high temperature superconductivity 迈向高温超导的特定材料模拟
Pub Date : 2006-11-11 DOI: 10.1145/1188455.1188521
T. Schulthess
High temperature superconductors could potentially revolutionize the use and transmission of electric power. This along with intriguing scientific questions have motivated an enormous research effort over the past twenty years, since the discovery of high temperature superconducting cuprates. But only recently, with the advent of massively parallel vector supercomputers and quantum cluster methods to solve the quantum many-body problem, has it become possible to simulate superconductivity in models such as the 2D Hubbard model that are thought to describe the cuprate superconductors. In this presentation, we will discuss the recent progress we have made in understanding superconductivity in the Hubbard model, as well as what seem to be the key ingredients for the development of materials specific extensions that will eventually allow predictive simulations of the superconducting transition temperature. We will also discuss the computational challenges we face with materials specific simulations of superconductivity.
高温超导体可能会彻底改变电力的使用和传输。自从发现高温超导铜酸盐以来,在过去的二十年里,这一发现以及有趣的科学问题激发了巨大的研究努力。但直到最近,随着大规模并行矢量超级计算机和量子集群方法的出现,解决量子多体问题,才有可能在模型中模拟超导性,例如被认为描述铜超导体的二维哈伯德模型。在这次演讲中,我们将讨论我们在理解哈伯德模型中的超导性方面取得的最新进展,以及似乎是材料特定扩展发展的关键因素,这些扩展最终将允许超导转变温度的预测模拟。我们还将讨论我们在材料特定的超导性模拟中所面临的计算挑战。
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引用次数: 0
Advanced MPI: I/O and one-sided communication 高级MPI: I/O和单向通信
Pub Date : 2006-11-11 DOI: 10.1145/1188455.1188666
W. Gropp, E. Lusk, R. Thakur, R. Ross
This tutorial is about advanced use of MPI, in particular the parallel I/O and one-sided communication features added in MPI-2. Implementations are now available both from vendors and from open-source projects so that these MPI-2 capabilities can now really be used in practice. The tutorial will be heavily example-driven. For each example we introduce concepts, describe the problem being solved, then walk through the code and its execution.Examples were chosen to cover scenarios seen in real applications, such as 1D and 2D mesh decomposition, checkpointing of sparse data structures, and providing atomic access to shared memory data structures. Attendees will leave the tutorial with both an understanding of these advanced concepts and a collection of working example codes that they are familiar with and have seen in action. This will prepare them for applying these concepts in their own applications.
本教程是关于MPI的高级使用,特别是MPI-2中添加的并行I/O和单侧通信特性。现在可以从供应商和开源项目中获得实现,因此这些MPI-2功能现在可以在实践中真正使用。本教程将以实例为主。对于每个示例,我们介绍概念,描述要解决的问题,然后遍历代码及其执行。我们选择的示例涵盖了实际应用程序中的场景,例如1D和2D网格分解、稀疏数据结构的检查点,以及提供对共享内存数据结构的原子访问。学员将在离开本教程时,既能理解这些高级概念,又能收集到他们熟悉并在实际操作中看到的工作示例代码。这将为他们在自己的应用程序中应用这些概念做好准备。
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引用次数: 3
General-purpose GPU computing: practice and experience 通用GPU计算:实践与体会
Pub Date : 2006-11-11 DOI: 10.1145/1188455.1188698
B. S. Michel
This workshop will cover advances and innovations in graphic processor unit (GPU) capabilities and functionality into nontraditional, general-purpose computing as an adjunct vector/matrix processor. Examples include game physics, image processing, scientific computing, sorting and database query processing, to name a few.This workshop consists of invited speakers and poster presenters who provide insights into GP2 practice and experience gained over the last several years. Both perspectives are crucial to understanding upcoming and future heterogeneous and homogeneous multi-core processor architectures. Developing and adapting software to exploit the GPU's embarassingly parallel capabilities presented numerous implementation challenges, resulting in a variety of approaches to integrating an attached processor with a CPU to achieve high problem throughput. Similar software development and integration challenges face the multi-core processor future, building on the GP2 foundation.
本次研讨会将涵盖图形处理器单元(GPU)能力和功能的进步和创新,作为辅助向量/矩阵处理器进入非传统的通用计算。例子包括游戏物理、图像处理、科学计算、排序和数据库查询处理等等。本次研讨会由特邀演讲者和海报展示者组成,他们提供了对GP2实践和过去几年获得的经验的见解。这两种观点对于理解即将到来和未来的异构和同构多核处理器架构都是至关重要的。开发和调整软件以利用GPU令人尴尬的并行能力提出了许多实现挑战,导致各种方法将附加处理器与CPU集成以实现高问题吞吐量。基于GP2基础的多核处理器的未来也面临着类似的软件开发和集成挑战。
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引用次数: 3
Powerful new research computing system available via the TeraGrid 强大的新研究计算系统可通过TeraGrid
Pub Date : 2006-11-11 DOI: 10.1145/1188455.1188624
D. McCaulay, Matthew R. Link, George W. Turner, David Y. Hancock, Maria Morris, C. Stewart
Indiana University's 20.48 Teraflop IBM e1350 BladeCenter supercomputer system ("Big Red") has been made available to researchers throughout the U.S. via the NSF-funded TeraGrid. The Big Red system finished 23rd on the June 2006 Top500 list, making it at that time the fastest supercomputer owned and operated by a U.S. university and also the fastest computer to be made available through the TeraGrid to date.Big Red is a distributed shared-memory cluster, consisting of 512 IBM BladeCenter JS21s, each with two dual-core PowerPC 970 MP processors (2.5GHz), 8GB of ECC PC3200 SDRAM, 72GB local SATA disk for scratch space, 360 TB GPFS parallel filesystem and a PCI-X Myrinet 2000 adapter for high-bandwidth, low-latency MPI applications.A significant portion of Big Red will be allocated to TeraGrid utilization. The TeraGrid is the National Science Foundation's flagship effort to create a national cyberinfrastructure to support academic research and promote scientific discovery.
印第安纳大学20.48万亿次的IBM e1350 BladeCenter超级计算机系统(“Big Red”)已经通过美国国家科学基金会资助的TeraGrid向美国各地的研究人员开放。大红色系统在2006年6月的Top500榜单上排名第23位,使其成为当时美国大学拥有和运营的最快的超级计算机,也是迄今为止通过TeraGrid提供的最快的计算机。Big Red是一个分布式共享内存集群,由512个IBM BladeCenter js21组成,每个js21都有两个双核PowerPC 970 MP处理器(2.5GHz), 8GB ECC PC3200 SDRAM, 72GB本地SATA磁盘用于刮擦空间,360 TB GPFS并行文件系统和用于高带宽,低延迟MPI应用程序的PCI-X Myrinet 2000适配器。大红色的很大一部分将分配给TeraGrid的利用。TeraGrid是美国国家科学基金会创建国家网络基础设施以支持学术研究和促进科学发现的旗舰项目。
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引用次数: 0
Introduction to grid computing: the first steps 网格计算入门:第一步
Pub Date : 2006-11-11 DOI: 10.1145/1188455.1188682
David Gehrig, D. M. Freemon, J. Frey
Effectively using the Grid computing environment requires a working knowledge of several interacting layers of technology, a potentially daunting task for the new user. GRIDS Center presents a hands-on, full-day tutorial moving the new Grid user through a guided series of activities introducing concepts such as the Globus toolkit, Grid security certificates, reliable file transfer, simple job management, and workflow management. The tutorial introduces essential skills that will be needed to conduct and support use of the Grid computing environment. Hands-on exercises will be presented using a small dedicated grid hosted for this purpose at NCSA.Reflecting attendee feedback from the SC 2005 workshop, we will include more material on grid security and account management tools and revise and extend workflow management examples.
有效地使用网格计算环境需要具备几个相互作用的技术层的工作知识,这对新用户来说是一项潜在的艰巨任务。GRIDS Center提供了一个实践性的全天教程,通过一系列引导性的活动向新的Grid用户介绍一些概念,如Globus工具包、网格安全证书、可靠的文件传输、简单的作业管理和工作流管理。本教程介绍了指导和支持使用网格计算环境所需的基本技能。动手练习将使用NCSA为此目的托管的小型专用网格来呈现。根据与会者在SC 2005研讨会上的反馈,我们将包括更多关于网格安全和帐户管理工具的材料,并修订和扩展工作流管理示例。
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引用次数: 0
Proceedings of the 2006 ACM/IEEE conference on Supercomputing 2006年ACM/IEEE超级计算会议论文集
Pub Date : 2006-11-11 DOI: 10.1145/1188455
Barbara Horner-Miller
SC06, the premier international conference on high performance computing, networking and storage, will convene in November 2006 in Tampa, Florida. This year the conference will take its inspiration from Albert Einstein who said "Computers are incredibly fast, accurate and stupid; humans are incredibly slow, inaccurate and brilliant; together they are powerful beyond imagination."Following the traditions set with the first SC conference in 1988, exciting technical and educational programs, workshops, tutorials, exhibits, demonstrations and many other activities await attendees. SC06 is the one place where attendees can see tomorrow's technology being used to solve world-class challenge problems today.With the conference growth over the past years, SC06 now has a total registered attendance in excess of 7,000. This attendance provides an excellent forum for researchers to explore ideas and build collaborations.The following are some of the SC06 highlights:SC06 provides a rigorous technical paper program with refereed papers on systems hardware and software, networking, storage, instruments, sensors, grids and web services along with novel applications of these technologies to problems of interest to science, engineering, business and society.SC06 also provides an engaging 2-day tutorials program that welcomes attendees to explore the practical aspects of a full spectrum of high performance computing, networking, storage and analysis topics. Tutorial attendees have the opportunity to learn about new topics and investigate familiar topics in-depth with other experts.Upgrades in systems, bandwidth and networking technologies over the last decade have resulted in dramatic increases in performance, scalability and overall computational power in high performance computing. More than ever before, organizations in commercial, government, university and research sectors are tasked with making sense of huge amounts of data.HPC Analytics will again highlight rigorous and sophisticated methods of data analysis and visualization used in high performance computing by showcasing powerful analytics applications solving complex, real-world problems. SC06 will explore the ways in which high performance computing, networking, storage and analysis lead to advances in research, education and commerce. Innovative and diverse technologies are implemented within the HPC world every year. SC06 will introduce an initiative focusing on those emerging concepts and technologies that have the potential to reshape the HPC landscape.The SC06 Education Program will continue the program begun in 2005 to bring K-16 teachers and faculty to the conference and provide them the tools and expertise to incorporate modeling and simulation into their classrooms.SC06 will be the foremost place to learn about the most important developments in High Performance Computing. On behalf of the organizing committee, we invite you to join us for a stimulating week in November 2006.
SC06是关于高性能计算、网络和存储的顶级国际会议,将于2006年11月在佛罗里达州坦帕市召开。今年的会议将从阿尔伯特·爱因斯坦(Albert Einstein)那里获得灵感,他曾说过:“计算机非常快、准确,但愚蠢;人类是非常缓慢、不准确和聪明的;他们的力量超乎想象。继1988年第一届SC会议的传统之后,令人兴奋的技术和教育计划、研讨会、教程、展览、示范和许多其他活动等待着与会者。SC06是一个与会者可以看到未来的技术被用来解决当今世界级挑战问题的地方。随着会议在过去几年的发展,SC06的注册出席人数现已超过7,000人。本次会议为研究人员提供了一个探索思想和建立合作的绝佳论坛。SC06提供了严格的技术论文计划,包括系统硬件和软件,网络,存储,仪器,传感器,电网和网络服务以及这些技术在科学,工程,商业和社会感兴趣的问题上的新应用。SC06还提供了一个引人入胜的2天教程计划,欢迎与会者探索全方位的高性能计算,网络,存储和分析主题的实际方面。教程参与者有机会学习新主题,并与其他专家深入探讨熟悉的主题。在过去十年中,系统、带宽和网络技术的升级导致高性能计算的性能、可伸缩性和整体计算能力大幅提高。商业、政府、大学和研究部门的组织比以往任何时候都更需要理解大量的数据。HPC Analytics将通过展示强大的分析应用程序解决复杂的现实问题,再次强调在高性能计算中使用的严格而复杂的数据分析和可视化方法。SC06将探索高性能计算、网络、存储和分析如何推动研究、教育和商业的进步。每年在高性能计算领域都有创新和多样化的技术实施。SC06将引入一项倡议,重点关注那些有可能重塑高性能计算领域格局的新兴概念和技术。SC06教育计划将继续2005年开始的计划,将K-16教师和教职员工带到会议上,并为他们提供将建模和仿真纳入课堂的工具和专业知识。SC06将是了解高性能计算最重要发展的首要场所。我们谨代表组委会,邀请您在2006年11月加入我们,一起度过激动人心的一周。
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引用次数: 155
期刊
Proceedings of the 2006 ACM/IEEE conference on Supercomputing
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