Leveraging fog computing for scalable iot datacenter using. Request pdf technologydriven, highlyscalable dragonfly topology evolving technology and increasing pinbandwidth motivate the use of highradix routers to reduce the diameter, latency, and. Dragonfly performance 27 adversarial traffic pattern. A multiprocessor computer system comprises a dragonfly processor interconnect network that comprises a plurality of processor nodes. The site facilitates research and collaboration in academic endeavors. Exascale interconnect topology characterization and parameter. Dragonfly processor interconnect network intel corporation. Technologydriven, highlyscalable dragony topology, isca08. An efficient implementation of 4x4 king mesh topology using routing technique written by t. Fully programmable and scalable optical switching fabric. Design and evaluation of topologyaware scatter and.
Technologydriven, highlyscalable dragonfly topology by william j. The topology divides routers into groups connected by long links. Dally, steve scott, dennis abts, technologydriven, highlyscalable dragonfly topology. We are developing the architectures and algorithms essential to the next generation of interconnect applications. Because the dragonfly topology reduces the number global cables in a. Sobana published on 20180424 download full article with reference data and citations. Nonminimal adaptive routing adaptive misrouting is employed to fully exploit the path diversity and increase the performance under adversarial traffic patterns. William dally is part of stanford profiles, official site for faculty, postdocs, students and staff information expertise, bio, research, publications, and more. Claiming your author page allows you to personalize the information displayed and manage publications all current information on this profile has been aggregated automatically from publisher and metadata sources. Technologydriven, highly scalable dragonfly topology. Scalable rankmapping algorithm for an icosahedral grid.
Kim, john et al technologydriven, highlyscalable dragonfly topology, international symposium on computer architecture, 2008. Network fairness issues arise in the dragonfly for several. Technologydriven, highlyscalable dragonfly topology in proceedings of the. Design and evaluation of topologyaware scatter and allgather algorithms for dragon. Dally, steve scott and dennis abts, published in isca 2008, 35th international symposium on computer architecture. Analyzing network health and congestion in dragonflybased systems. Dragonfly networks arrange network routers in a twolevel hierarchy, providing a competitive costperformance solution for large systems. Technologydriven, highlyscalable dragonfly topology ieee xplore. Cis5930 advanced topics in parallel and distributed systems, spring 2014. Optimal routing for a family of scalable interconnection.
Technologydriven, highlyscalable dragonfly topology john kim. In proceedings of the 35th international symposium on computer architecture isca 08. In this paper, we introduce the dragonfly topology which uses a group of highradix routers as a virtual router to increase the effective radix of the network. Pdf 207 kb 2000 fully scalable faulttolerant simulations for bsp and cgm. This cited by count includes citations to the following articles in scholar. Simula research laboratory hpc advisory council workshop barcelona, spain, september 12, 20. The xtium2clhs px8 features 7lanes operating at 10 gbits using clhs xprotocol and can deliver host transfer bandwidth in excess of 6. Request pdf technologydriven, highlyscalable dragonfly topology evolving technology and increasing pinbandwidth motivate the use of highradix routers to. The ones marked may be different from the article in the profile. The network of csquare is comprised of several subtrees, and each subtree can also be. Technologydriven, highlyscalable dragonfly topology abstract. Design space exploration of the dragonfly topology. Li chen, and kai chen, fully programmable and scalable optical switching fabric for petabyte data center, opt.
The xtium2clhs px8 supports a cx4 connector that is active optical cables aoc ready. Besides, the scalability requirements found in the current iot data processing in the cloud can hardly be used for applications such as assisted living systems, big data analytic solutions. In this paper, we introduce the dragonfly topology which uses a group of high radix routers as a virtual router to increase the effective radix of. Using darshan and codes to evaluate application io performance harsh khetawat department of computer science north carolina state university. Ensure your research is discoverable on semantic scholar.
In this paper, we develop a rankmapping algorithm for an icosahedral grid system on a massive parallel computer with the 3d torus network topology, specifically on the k computer. Fattrees and dragonflies a perspective on topologies. Block diagram of a group virtual router and b highlevel block diagram of a dragonfly topology composed of multiple groups. Outline topology routing flow control hot spot management status. We investigate possible options of creating a dragonfly topology capable of accommodating a specified number of endpoints. International symposium on computer architecture technologydriven, highlyscalable dragonfly topology. Network unfairness in dragonfly topologies springerlink. Fattrees and dragonflies a perspective on topologies svenarne reinemo. Based on the simulation results, we present a topology characteriza tion and network parameter exploration for exascalesystem. With this organization, each minimally routed packet traverses. Maximizing throughput on a dragonfly network parallel. Tpds17 benito, fuentes, vallejo, beivide analysis and improvement of valiant. Technologydriven, highlyscalable dragonfly topology. Silicon photonics based switches offer an effective option for the delivery of dynamic bandwidth for future largescale datacom systems while maintaining scalable energy efficiency.
Request pdf technologydriven, highlyscalable dragonfly topology evolving technology and increasing pinbandwidth motivate the use of highradix. Deadlockfree adaptive routing for arbitrary topologies. Technologydriven, highlyscalable dragonfly topology request. Our aim is to improve the weak scaling performance of the pointtopoint communications for exchanging gridpoint values between adjacent grid regions on a sphere. Dongarra, report on the sunway taihulight system, pdf. Evolving technology and increasing pinbandwidth motivate the use of highradix routers to. Siam journal on computing society for industrial and. We first observe that any dragonfly topology can be described with two main parameters, imbalance and density, dictating the distribution of routers in groups, and the intergroup connectivity, respectively.
Evolving technology and increasing pinbandwidth motivate the use of highradix routers to reduce the diameter, latency, and cost of interconnection networks. Pdf dragonfly topology was introduced by kim et al. Traffic routing over bipartite node groups connected by. Technology enhancements and the growing breadth of application workflows running on highperformance computing hpc platforms drive the development of new data services that provide high performance on these new platforms, provide capable and productive interfaces and abstractions for a variety of applications, and are readily adapted when new technologies are. Artificial intelligence ai applications are rapidly evolving and increasing the demands on hardware and systems. Performance modeling, benchmarking, and simulation, 6157. Cis5930 advanced topics in parallel and distributed systems. Technologydriven, highlyscalable dragonfly topology in. Abts, technologydriven, highlyscalable dragonfly topology, in proceedings of the 35th international. Fully programmable and scalable optical switching fabric for petabyte data center. Technologydriven, highlyscalable dragonfly topology in proceedings of the 35th international symposium on computer architecture, 2008. In proceedings of 2011 international conference for high performance computing, networking, storage and analysis p. University of tehran school of electrical and computer.
The dragonfly topology is described, for example, by kim et al. Improving communication performance in dense linear algebra via topology aware collectives. Because cables dominate network cost, the number of cables, and particularly the number of long, global cables should be minimized to realize an efficient network. In the dragonfly topology, highradix routers are used to organize the network into. The integration of a silicon photonicsbased optical switching fabric within electronic datacom architectures requires novel network topologies and arbitration strategies to effectively.