并行程序设计基础

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1 1800

2 1800 学计发软调术计术应软务 2

3 1. 论学 2. 实验学 3. 计学计学计学计动学计学计学计学计学计学计电学 3

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5 ( 级计 ) CRAY, 银 I SMP( ) IBM p690 SUN MPP( 规 ) T3E 1000 HP ccnuma( 储 ) SGI Qrigin 统联腾 1800, IBM SP2 5

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7 7 CPU MHz MIPS/R16000 SGI MHz UltraSparc Sun MHz Athlon2800+ AMD MHz Alpha HP GHz P4 Xeon Intel 1219 no GHz Opteron AMD 1285 no GHz P4 Xeon Intel GHz Power4 IBM GHz Itanium2 Intel Specfp 2000Peak TPP n=1000 Peak (Mflops) Clock CPU Manufacturer

8GHz P4 Xeon Intel 1219 no 3600 1.8GHz Opteron AMD 1285 no 6400 3.

8 Rank Manufacturer Computer/Procs R max R peak Installation Site Country/Year 51 Legend Group DeepComp P4 Xeon 2 GHz - Myrinet/ Academy of Mathematics and System Science China/ Legend Group DeepComp P4 Xeon 2.4 GHz - Myrinet/ LASG/Institute of Atmospheric Physics, CAS China/ Hewlett-Packard SuperDome 875 MHz/HyperPlex/ Youngwoo China/ IBM xseries Cluster Xeon 2.4 GHz - Gig-E/ ShengriLi China/ IBM xseries Cluster Xeon 2.4 GHz - Gig-E/ Sinopec China/ Legend Group DeepComp P4 Xeon 2.4 GHz - Giganet/ Exploration & Development Res. Inst. of Daqing Oil Field China/ Hewlett-Packard SuperDome 750 MHz/HyperPlex/ Beijing Social Insurance China/2001

00 LASG/Institute of Atmospheric Physics, CAS China/2002 278 Hewlett-Packard SuperDome 875 MHz/HyperPlex/ 192 408.20 672.00 Youngwoo China/2003 292 IBM xseries Cluster Xeon 2.4 GHz - Gig-E/ 256 402.

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10 1800 学计发软调术计术应软务 10

11 HotSpot BottleNeck 11

12 IO 12

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14 System System Level Level Application Level Level Micro-Architecture Level Level 14

15 Perfmon* NetMon* ApiMon* System Level Less Intrusive VTune Performance Analyzer Quantify* Application Level More Intrusive Micro-Architecture Level Less Intrusive 15

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17 for(i=0;i<num;i++) { for(j=0;j<num;j++) { for(k=0;k<num;k++) { c[i][j] =c[i][j] + a[i][k] * b[k][j]; } } } for(i=0;i<num;i++) { for(k=0;k<num;k++) { } } for(j=0;j<num;j++) { c[i][j] =c[i][j] + a[i][k] * b[k][j]; } SELF IMSL RELEASE OPT 4 CXML ATLAS MKL50 MKL s s 5.445s 5.457s 3.328s 0.762s 0.848s 0.738s 17

18 1800 学计发软调术计术应软务 18

19 PRAM BSP logp C 3 SIMD MIMD SPMD MPMD 19

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21 CPU Memory CPU Memory C P U C P U C P U C P U Network Bus CPU Memory CPU Memory Memory OpenMP 21

22 组 22

23 The Problem 组 Communication Initial tasks Combined Tasks Final Program 23

24 Atmosphere Model Hydrology Model Ocean Model Land Surface Model 24

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27 - 27

28 N N N N N N 28

29 N1 N2 N2 N4 N4 N4 N4 N2 N2 N1 29

30 P1 T1 T2 T3 T4 TN-1 TN P2 T1 T2 T3 TN-2 TN-1 TN P3 T1 T2 TN-3 TN-2 TN-1 TN 30

31 - Master Slave Slave Slave 31

32 N1 N2 N3 32

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34 数 HPF 储 OpenMP Pthreads 传递 MPI PVM 34

35 Navier-Stokes

36 (i,j+1) (i-1,j) (i,j) (i+1,j) (i,j-1) N Y 36

37 (i,j+1) (i-1,j) (i,j) (i+1,j) (i,j-1) 37

38 38 P2 P2 N Y P1 P1 N Y P3 P3 N Y P4 P4 N Y

39 处数拟时间 / (8 节点 )

40 1800 学计发软调术计术应软务 40

42 DL_POLY( ) 80,000 Fortran AIX / Power4 ~> Linux / Intel Xeon DOCK( ) 100,000 C IRIX / SGI ~> Linux / Intel Xeon Ccsm( ) 170,000 Fortran AIX / Power4 ~> Linux / Intel Xeon 42

43 MOLDY 调 3 DL_POLY 调 2.25 软调调 6 庆 Geodepth 调单节点时络达 126MB/s 43

44 Intel / PGI / LF95 Compiler MKL svml Goto(Math Library) IPP(Performance Library) TotalView(Parallel Debug) VTune(Performance Analysis) VGV(Cluster Performance Analysis) Perfmon ; Apimon ; Netmon 44

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简介本白皮书高度概述了支持移动互联网设备 (Mobile Internet Device) 的 Intel C++ Software Development Tool Suite for Linux* OS, 目标读者主要是技术决策制订

简介本白皮书高度概述了支持移动互联网设备 (Mobile Internet Device) 的 Intel C++ Software Development Tool Suite for Linux* OS, 目标读者主要是技术决策制订白皮书 Robert Müller-Albrecht 开发人员产品部门支持移动互联网设备的 Intel C++ Software Development Tool Suite for Linux* OS 文档编号 :319332-001US 简介本白皮书高度概述了支持移动互联网设备 (Mobile Internet Device)