An ibm powerxcell 8i, one of the most powerful processors available at project start. Arcon evo architectural design software has been specially developed to provide architects, developers and building professionals with a onestop solution to their cad requirements product details arcon evo is the ideal solution for all building design needs. The hybrid design consisted of dualcore opteron server processors manufactured by amd using the standard amd64 architecture. Architectures introducing the arm architecture arm developer. In this paper we present the design and implementation of the linpack benchmark for the ibm bladecenter qs22, which incorporates two ibm powerxcell 8i 1 processors. I am a business and engineering savvy leader who will make this planet a distinctly better place through artificial intelligence ai. As a supercomputer, the roadrunner was considered an opteron cluster with cell accelerators, as each node consists of a cell attached to an opteron core and the opterons to each other. International conference on computational science, iccs 2011.
Citeseerx document details isaac councill, lee giles, pradeep teregowda. Architectural background and testbed in this section we describe the architecture of the powerxcell 8i, the version of the cell broadband engine that provides the bulk of the performance of. According to heise online, ibm vice president of deep computing david turek has confirmed that the companys current powerxcell 8i processor. In qpace, however, each node comprises a commodity processor. Onthefly computing on manycore processors in nuclear. Abstractwe present an interarchitectural comparison of single and doubleprecision direct nbody implementations on modern multicore platforms, including those based on the intel nehalem and amd barcelona systems, the sonytoshibaibm powerxcell8i processor, and nvidia tesla c870 and c1060 gpu systems. Roadrunner is the first supercomputer to run linpack at a sustained speed in excess of 1 pflops. A device driver that communicates the application level software with the hardware. Today, as the director of sales enabling for intels. Mar 19, 2020 in may 2008, an opteron and powerxcell 8i based supercomputer, the ibm roadrunner system, became the worlds first system to achieve one petaflops, and was the fastest computer in the world until third quarter 2009. It contains 12,240 ibm powerxcell 8i processors and 12,240 amd opteron cores in. Ios press programming the linpack benchmark for the ibm powerxcell 8i processor michael kistler, john gunnels, daniel brokenshire and brad benton ibm corporation emails. The architecture exposes a common instruction set and workflow for software developers, also referred to as the programmers model. Again, the experience gathered with powerxcell can be used in designing code for other types of processors, sharing architectural details with powerxcell, such as e.
A standalone cell computer on a pci express pcie card. Kerbyson,1 scott pakin1 1performance and architecture laboratory pal, computer science for hpc ccs1. In this paper we present the design and implementation of the linpack benchmark for the ibm bladecenter qs22. A view at the hpc crossroads for scientific computing. Qpace is a novel massively parallel architecture optimized for lattice qcd simulations. Ibm officially announces powerxcell 8i dpenhanced 65nm. The powerxcell 8i is a new implementation of the cell broadband engine2 architecture and contains a set of specialpurpose processing cores known as synergistic processing elements spes. Download scientific diagram powerxcell 8i architecture. The architecture and performance of roadrunner abstract. In this paper, we empirically evaluate fundamental design tradeoffs among the most recent multicore processors and accelerator technologies. Tools and software for architecture visualization chameleon. No future development for ibms powerxcell insidehpc.
The powerxcell 8i is a new implementation of the cell broadband engine 2 architecture and contains a set of specialpurpose processing cores known as synergistic processing elements spes. According to heise, ibm vp of deep computing david turek confirmed that there will be no successor to the powerxcell 8i, the high performance cell variant ibm developed for the roadrunner supercomputer and its qs22 blades. Architectural design software presentations architectural. Illustration 1 shows a picture of the chameleon cell blade prototype. Key components of the blade are the cell broadband enginetm, xdr memory, ddr2 dimm, and in this version two xilinx virtex4tm fpgas. The roadrunner used red hat enterprise linux along with fedora as its operating systems and was managed with xcat distributed computing software. To optimize the datatransfer time, we implemented the software pipelining among the tasks. The cell broadband engine architecture integrates an ibm powerpc processor. Entering the petaflop era proceedings of the 2008 acmieee. Stitt nsf center for highperformance reconfigurable computing chrec ece department, university of florida, gainesville, fl 326116200.
Qpace architecture the main building block of the qpace architecture is the node card, see fig. In 2009, the qpace qcd parallel computing on the cell architecture, based on the ibm powerxcell 8i processor. Latest news ibm shifts cell to 65nm server chip aims at supercomputing for the masses rick merritt ee times 052008 12. Subsequently, the cray xt5 jaguar became the top system in 2009. Powerxcell 8i processor the powerxcell 8i processor is a more recent implementation of the cell broadband engine architecture 3. The basic features of the software developed for the system are 1. The worlds three most energy efficient supercomputers, as represented by the green500 list, are similarly based on the. In this paper we present a detailed architectural description of roadrunner and a detailed performance analysis of the system. Architectural background and testbed in this section we describe the architecture of the cell broadband engine and powerxcell 8i that provides the bulk of the performance of our target cluster and the focus of our profiler study. Stencil computation autotuning on modern multicore. Pc processor powers accelerator board vision systems design. This put qpace in the number one spot on the green500 list.
From an architectural point of view qpace may be considered to be a cluster of not particularly powerful powerpc cores with an attached accelerator. Our work explores multicore stencil nearestneighbor computations a class of algorithms at the heart of many structured grid codes, including pde solvers. To realize a custom network a field programmable gate array fpga and six physical transceivers phy have been added. The ppe core is dual threaded and manifests in software as two independent. Stencil computation optimization and autotuning on stateof. Onthefly computing on manycore processors in nuclear ap plications 665 vol. Architecture 12,960 ibm powerxcell 8i cpus, 6,480 amd opteron dualcore processors, infiniband, linux memory103. Stencil computation optimization and autotuning on state. Case studies of top supercomputer systems brainkart. The heart of the qs22 is the multicore ibm powerxcell 8i processor, a new generation processor based on the cell broadband engine cellb. Cell is a multicore microprocessor microarchitecture that combines a generalpurpose power architecture core of modest performance with streamlined coprocessing elements which greatly accelerate multimedia and vector processing applications, as well as many other forms of dedicated computation. Qpace a qcd parallel computer based on cell processors. Overall, our autotuning optimization methodology results in the fastest multicore stencil performance to date. In the roadrunner system, 97% of the computational capability resides in the powerxcell 8i.
Cell is a microprocessor architecture jointly developed by sony computer entertainment, toshiba, and ibm, an alliance known as sti. Vlc system architecture, showing distribution of data and. Petascale computing with accelerators researchgate. Ios press programming the linpack benchmark for the ibm. Powerxcell 8i intel xeon x3230 intel xeon w5580 nvidia tesla c870 nvidia tesla c1060. The powerxcell 8i is the sec ond implementation of the cell broadband engine architecture 3, which unfortunately has been discontinued. The ibm roadrunner was the world s first petaflops computer, ranked no. A view at the hpc crossroads for scientific computing ersa keynote for reconfigurable supercomputing panel a. Cell is a multicore microprocessor microarchitecture that combines a generalpurpose powerpc core of modest performance with streamlined coprocessing elements which greatly accelerate multimedia and vector processing applications, as well as many other forms of dedicated computation. Cell is a multicore microprocessor microarchitecture that combines a general purpose.
The spes can be used as computational accelerators to augment the main powerpc processor. Each qs22 has two powerxcell 8i cpus, running at 3. Application profiling on cellbased clusters hikmet dursun,1,2 kevin j. Cell broadband engine programming handbook including the powerxcell 8i processor version 1. Ibm powerxcell8i processor said to be last of its kind. Each node comprises an ibm powerxcell 8i processor. The lacss provide medium to longterm computer science research relevant to the goals of the advanced simulation and computing asc program.
Powerefficient parallel architecture based on ibm powerxcell 8i dirk pleiter desy zeuthen site 17 september 2010, enahpc, hamburg. The powerxcell 8i processor is an enhanced version of the cell processor which has been developed by sony, toshiba, and ibm, with sonyas playstation 3 as the first major commercial application. Chief architect advanced computing at huawei technologies. The suite includes all of the tools necessary for complete project management.
Attached to each opteron core is a powerxcell 8i processor manufactured by ibm using power architecture and cell technology. Roadrunner bladecenter qs22ls21 cluster, powerxcell 8i. List rank system vendor total cores rmax tflops rpeak tflops power kw 112012. The ibm powerxcell 8i also referred as the cell extended doubleprecision, celledp is the latest implementation of the cell be featuring 108. The new powerxcell 8i processor builds on the cell broadband engine architecture and combines a generalpurpose power architecture core of modest performance with eight enhanced synergistic processing elements optimized for extreme double precision and single precision computational performance powerxcell 8i processor 65 nm 9 cores, 10 threads. Providing server interface for the administrator of the system. Chameleon powers buildervision is the first suite of interactive tools for the homebuilding industry. Air force still using ps3 as 33rd largest computer toms. The architecture was systematically optimized with respect to power consumption.
It contains 12,240 ibm powerxcell 8i processors and 12,240 amd opteron cores in 3,060 compute nodes. This can affect code comprehensibility and reusability of the software. Finally, we present several key insights into the architectural tradeoffs of emerging multicore designs and their implications on scienti. Understanding the design tradeoffs among current multicore. Accelerating the implicit integration of stiff chemical. Powerefficient parallel architecture based on ibm powerxcell 8i. Ibm announced a revised variant of the cell called the ibm powerxcell 8i.
Ibm officially announces powerxcell 8i dpenhanced 65nm cell. Title page cell broadband engine programming handbook. Programming the linpack benchmark for the ibm powerxcell. Jul 30, 2010 qpace is a novel massively parallel architecture optimized for lattice qcd simulations. Situation overview hpcs strong market growth the hpc market has shown rapid growth in the five years since 2002, especially when compared with the background rate of it spending generally. The ibm bladecenter qs22 is based on the innovative multicore ibm powerxcell 8i processor, a new generation processor based on the cell broadband engine cellb. A good architectural design and presentation starts with good architectural design software presentations. The nodes are interconnected by a custom 3dimensional torus network implemented on an fpga. Offering extraordinary double precision floating point processing power, the qs22. In may 2008, an opteron and powerxcell 8i based supercomputer, the ibm roadrunner system, became the worlds first system to achieve one petaflops, and was the fastest computer in the world until third quarter 2009. In 2001, ibm joined with sony computer entertainment inc. We then briefly summarize the overall architecture of our testbed.
Ibms powerxcelltm 8i product line, with its single instruction, multiple data simd isa and memory flow controller mfc, is to bring dataparallel computing back to hpc and deliver higher sustained performance and power efficiency to hpc workloads with a processing engine supported by volume economics. Cell broadband engine powerxcell 8i processor has a standard core ppe working as a manager and eight cores spes, which are optimized for fast parallel processing of pixel and dp float data. Ibm powerxcell8i processor said to be last of its kind, but. Sections iv and v highlight novog research activities that. Ibm roadrunner used the powerxcell 8i version of the cell processor, manufactured using 65 nm technology and enhanced spus that can handle double precision calculations in the 128bit registers, reaching double precision 102 gflops per chip. Heiko joerg schick chief architect hisilicon turing department. It was a hybrid design with 12,960 ibm powerxcell 8i and 6,480 amd opteron dualcore processors in specially designed blade servers connected by infiniband. May 22, 2009 understanding the most efficient design and utilization of emerging multicore systems is one of the most challenging questions faced by the mainstream and scientific computing industries in several decades. Nov 21, 2008 it contains 12,240 ibm powerxcell 8i processors and 12,240 amd opteron cores in 3,060 compute nodes. Architectural design software from cad pro has helped thousands of architects and designers streamline their workflow while producing professional architectural designs for clients and colleagues. Moreover, opencl allows one to obtain a high performance code, thanks to the support of explicit memory hierarchy management and vector operations.
So were looking forward to working with the next generation of architecture. Nov 23, 2009 according to heise online, ibm vice president of deep computing david turek has confirmed that the companys current powerxcell 8i processor will be the last of its kind, and that there will not. Roadrunner bladecenter qs22ls21 cluster, powerxcell 8i 3. Michael feldman over at hpcwire has dug up an article at heise online that claims that ibms powerxcell processor is at the end of the road. The qs22 based on the powerxcell 8i processor was used for the ibm. More than 400 engineers came together to design the cell broadband engine multicore technology that would provide powerefficient and costeffective highperformance processing for a wide range of applications.
28 310 538 392 1083 742 381 1376 303 1146 1124 1167 1260 997 1495 1092 1217 1252 1424 749 932 640 145 671 693 779 222 451 1090