多核技术的机遇与挑战PPT课件

1、The Challenges and Opportunities of the Multi-Core System Bob C. Liang 梁兆柱梁兆柱 博士博士 Chief Research Officer 首席研发官首席研发官 Intel Software & Solutions Group PRC英特尔英特尔中国软件与解决方案事业群中国软件与解决方案事业群 20072007年年1111月月2323日日 多核技术的机遇与挑战多核技术的机遇与挑战 2021-12-52Agenda The Multicore Tera-scale computing and the Accelera

2、ting Software Spiral Opportunities and Challenges A new leveled playing field for Research and Education Innovation3ENERGY-EFFICIENT PERFORMANCETIMESingle-core, single-threadHyper-ThreadingDual CoreQuad-Core10s to 100sof cores4Intels ASCI Option Red9000 CPUs one megawatt of electricity. 1600 square

3、feet of floor space.One CPU67 watt275 mm2First Terascale computer: 1997First Terascale chip: 2007Intels 80 core research chip10 yearsBut this great hardware is useless without software5ABCPLACE ACT+ Active messages AdlAdsmithADDAPAFAPIALWANAMAMDCAppLeSAmoeba ARTSAthapascan-0bAuroraAutomapbb_threads

4、BlazeBSPBlockComm C*. C* in C C* CarlOSCashmereC4CC+ ChuCharlotteCharmCharm+CidCilkCM-Fortran ConverseCodeCOOLCORRELATE CPS CRLCSPCthreads CUMULVSDAGGERDAPPLE Data Parallel C DC+ DCE+ DDDDICE.DIPC DOLIBDOME DOSMOS.DRLDSM-ThreadsEase .ECOEiffel Eilean Emerald EPL ExcaliburExpressFalconFilamentsFMFLAS

5、HThe FORCE ForkFortran-MFXGA GAMMA GlendaGLUGUARDHAsL.Haskell HPC+JAVAR.HORUSHPCIMPACTISIS.JAVARJADE Java RMIjavaPGJavaSpaceJIDLJoyceKhorosKarma KOAN/Fortran-SLAMLilac LindaJADA WWWindaISETL-Linda ParLin Eilean P4-LindaGlenda POSYBLObjective-LindaLiPSLocustLparxLucidMaisie ManifoldMentatLegionMeta C

6、haos MidwayMillipedeCparParMirageMpCMOSIXModula-PModula-2*MultipolMPIMPC+MuninNano-ThreadsNESLNetClasses+ NexusNimrodNOWObjective LindaOccamOmegaOpenMPOrcaOOF90P+P3Lp4-LindaPabloPADEPADRE Panda Papers AFAPI. Para+ParadigmParafrase2 Paralation Parallel-C+ ParallaxisParC ParLib+ParLinParmacsPartipCpC+

7、PCNPCP: PHPEACEPCUPETPETScPENNYPhosphorus POET.Polaris POOMAPOOL-TPRESTOP-RIO ProsperoProteus QPC+ PVMPSIPSDMQuakeQuarkQuick ThreadsSage+SCANDAL SAMpC+ SCHEDULESciTL POET SDDA.SHMEM SIMPLESina SISAL.distributed smalltalk SMI.SONiCSplit-C.SRSthreads Strand.SUIF.SynergyTelegrphosSuperPascal TCGMSG.Thr

8、eads.h+.TreadMarksTRAPPERuC+ UNITY UC V ViC* Visifold V-NUS VPEWin32 threads WinPar WWWinda XENOOPS XPCZoundsZPLParallel programming environments in the 90s (a partial list) 2007 Intel Corporation. Intel, the Intel logo, Intel. Leap ahead. and the Intel. Leap ahead. logo are trademarks or registered

9、 trademarks of Intel Corporation or its subsidiaries in the United States and other countries. All rights reserved.6Innovation opportunity - Multicore SoftwareOpen SourceApplicationVirtualizationMulti-CoreParallelismOpen SourceOpening New Global Markets 2007 Intel Corporation. Intel, the Intel logo,

10、 Intel. Leap ahead. and the Intel. Leap ahead. logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. All rights reserved.7Growing Business Models with Open Source 69% MSS Est. 10M Installations PBX1000 Downloads/dayERP1.2M Dow

11、nloadsOffice Tools800K Downloads/monthIntegrationBackup/Recovery SolutionBusiness IntelligenceDevelopment ToolsWeb ServersApplication ServersDatabasesApplicationsOperating SystemsServer Solution StackLinux, 30% Server MSS 550K Developers, 23M+ Websites 9M Downloads, 31% MSS 2007 Intel Corporation. I

12、ntel, the Intel logo, Intel. Leap ahead. and the Intel. Leap ahead. logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. All rights reserved.8Open Source Across All SegmentsEnterprise Performance Power Virtualization; Server

13、& Client Embedded IT Health Mobile Home Personal Health Embedded Linux Consumer Electronic Devices Mobile Internet- Wireless- Graphic- Power 2007 Intel Corporation. Intel, the Intel logo, Intel. Leap ahead. and the Intel. Leap ahead. logo are trademarks or registered trademarks of Intel Corporat

14、ion or its subsidiaries in the United States and other countries. All rights reserved.9Innovation opportunity - Multicore SoftwareOpen SourceApplicationVirtualizationMulti-CoreParallelismEnabling the next generation data center 2007 Intel Corporation. Intel, the Intel logo, Intel. Leap ahead. and th

15、e Intel. Leap ahead. logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. All rights reserved.10ConsolidationFault tolerance Mission critical apps on volume serversVirtual Clients Client cost reduction Data securityDynamic Da

16、ta Center Agility, responsivenessVirtualization is hereTest & DevelopmentAutonomic Continuity VM MigrationServer Virtualization is now considered a mainstreamIT bullish in future use: driving 45% server use in 12 months-IDC Directions 2007 Feb-07 2007 Intel Corporation. Intel, the Intel logo, In

17、tel. Leap ahead. and the Intel. Leap ahead. logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. All rights reserved.11Growing Virtualization EcosystemSolution StackApplicationsInfrastructureOEMs 2007 Intel Corporation. Intel

18、, the Intel logo, Intel. Leap ahead. and the Intel. Leap ahead. logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. All rights reserved.12Innovation opportunity - Multicore SoftwareOpen SourceApplicationVirtualizationMulti-C

19、oreParallelismAn Example in Graphics 2007 Intel Corporation. Intel, the Intel logo, Intel. Leap ahead. and the Intel. Leap ahead. logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. All rights reserved.13Graphics - Rasteriza

20、tion Vs Ray TracingRasterizationStreams of Triangles flows to GPU Effects require tedious multi-pass techniquesRay TracingFlexible Scalable processReliable, true reflections shadows and moreExtremely Compute intensive 2007 Intel Corporation. Intel, the Intel logo, Intel. Leap ahead. and the Intel. L

21、eap ahead. logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. All rights reserved.14 2007 Intel Corporation. Intel, the Intel logo, Intel. Leap ahead. and the Intel. Leap ahead. logo are trademarks or registered trademarks

22、of Intel Corporation or its subsidiaries in the United States and other countries. All rights reserved.15Physical SimulationPhysical simulation very broad domainHuge number of phenomenae.g., water in pool very different from water in pipeEach can be modeled in various levels of detailProf. Ron Fetki

23、wStanford Univ. 2007 Intel Corporation. Intel, the Intel logo, Intel. Leap ahead. and the Intel. Leap ahead. logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. All rights reserved.16But, We need ParallelizationRigid BodyBro

24、ad Phase (S&P)Box-Box CollisionConvex Pair CollisionConstraint SolverFluidRebuild GridCompute ForcesProcess CollisionsAdvance ParticlesClothConstraint RelaxationFluidConstruct Level-SetAdvance ParticlesFast Sweeping MethodModify Level-SetPreconditioned Conjugate GradientFaceUpdate Position Based

25、 StateAdd Velocity Independent ForcesConjugate GradientClothUpdate Position Based StateConjugate GradientAdd ForcesHierarchy IntersectionCreate And Prune ListsAdjust VelocityGameProductionStraightforward(parallelized via nested loops)Algorithm Change(original algorithm not amenable to efficient thre

26、ading) 2007 Intel Corporation. Intel, the Intel logo, Intel. Leap ahead. and the Intel. Leap ahead. logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. All rights reserved.17Innovation opportunity - Multicore SoftwareOpen So

27、urceApplicationVirtualizationMulti-CoreParallelismThink ParallelInnovation headroom will Come from parallelism 2007 Intel Corporation 18 Parallelism Research Keep Perspective of the Vertical StackOSMiddlewareVirtualization/VMMPerformance ToolsDevelopment Tools UEFI/BIOSRuntimeServices and SolutionsS

28、ervices/Solutions Drive Technology Innovation 2007 Intel Corporation. Intel, the Intel logo, Intel. Leap ahead. and the Intel. Leap ahead. logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. All rights reserved.19What we are

29、 doing to helpHelp mainstream programmers to quickly develop quality code ACCELERATE TRANSITIONTO PARALLEL PROGRAMMING 2007 Intel Corporation. Intel, the Intel logo, Intel. Leap ahead. and the Intel. Leap ahead. logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in

30、 the United States and other countries. All rights reserved.20Complements a larger family of products,all designed for parallel programmingSOFTWARE COLLEGETRAINING& forumsDEBUGCONCURRENCYCORRECTNESSLibraries andCompilersaward winning parallelism supportANALYSIS TOOLSfind parallelism, tune parall

31、elism 2007 Intel Corporation 21 Intel China Higher Education Intel China Higher Education ProgramProgram50+ universities are supported by Intel China Higher Education programs in ChinaCollaboration in the tech areas like HPC, Multi-core, Embedded System, wireless, Linux and Software, HVM, packaging, Entrepreneur, etcCurriculum Curriculum developmentJoint Lab establishmentunited courseTextbook publishingAd