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III Table of Content 4.2.2 Algorithm selection................................................................................. 27 4.2.3 Shock resistant Time Warp Algorithm..................................................... 29 4.3 GVT CALCULATION ........................................................................................ 33 4.4 END OF SIMULATION........................................................................................ 35 4.5 CANCELLATION TECHNIQUES .......................................................................... 36 4.6 LOAD BALANCING........................................................................................... 37 4.7 MODEL PARTITIONING ..................................................................................... 38 5 IMPLEMENTATION........................................................................................... 40 5.1 IMPLEMENTATION CONSIDERATIONS................................................................ 40 5.1.1 Overall Architecture ............................................................................... 40 5.1.2 Transaction Chain and Scheduling......................................................... 42 5.1.3 Generation and Termination of Transactions......................................... 43 5.1.4 Supported GPSS Syntax.......................................................................... 45 5.1.5 Simulation Termination at Specific Simulation Time.............................. 46 5.2 IMPLEMENTATION PHASES ............................................................................... 47 5.2.1 Model Parsing ........................................................................................ 47 5.2.2 Basic GPSS Simulation Engine .............................................................. 50 5.2.3 Time Warp Parallel Simulation Engine .................................................. 51 5.2.4 Shock Resistant Time Warp..................................................................... 53 5.3 SPECIFIC IMPLEMENTATION DETAILS ............................................................... 56 5.<strong>3.1</strong> Scheduling .............................................................................................. 56 5.3.2 GVT Calculation and End of Simulation................................................ 64 5.3.3 State Saving and Rollbacks..................................................................... 66 5.3.4 Memory Management............................................................................. 68 5.3.5 Logging................................................................................................... 69 5.4 RUNNING THE PARALLEL SIMULATOR.............................................................. 70 5.4.1 Prerequisites ........................................................................................... 70 5.4.2 Files ........................................................................................................ 70 5.4.3 Configuration ......................................................................................... 72 5.4.4 Starting a Simulation .............................................................................. 73 5.4.5 Increasing Memory Provided by JVM .................................................... 73
IV Table of Content 6 VALIDATION OF THE PARALLEL SIMULATOR........................................ 75 6.1 VALIDATION 1.................................................................................................. 76 6.2 VALIDATION 2.................................................................................................. 78 6.3 VALIDATION 3.................................................................................................. 80 6.4 VALIDATION 4.................................................................................................. 84 6.5 VALIDATION 5.................................................................................................. 86 6.6 VALIDATION 6.................................................................................................. 91 6.7 VALIDATION ANALYSIS .................................................................................... 93 7 CONCLUSIONS................................................................................................... 96 REFERENCES ............................................................................................................. 98 APPENDIX A: DETAILED GPSS SYNTAX........................................................... 102 APPENDIX B: SIMULATOR CONFIGURATION SETTINGS........................... 107 APPENDIX C: SIMULATOR LOG4J LOGGERS .................................................110 APPENDIX D: STRUCTURE OF THE ATTACHED CD ......................................114 APPENDIX E: DOCUMENTATION OF SELECTED CLASSES.........................115 APPENDIX F: VALIDATION OUTPUT LOGS..................................................... 147
Page 1 and 2: TRANSACTION-ORIENTED SIMULATION IN
Page 3: Table of Content II Table of Conten
Page 7 and 8: Figures VI Figures Figure 1: Ad Hoc
Page 9 and 10: Tables VIII Tables Table 1: Change
Page 11 and 12: 2 Introduction synchronisation algo
Page 13 and 14: 2 Fundamental Concepts Fundamental
Page 15 and 16: Figure 1: Ad Hoc Grid architecture
Page 17 and 18: 8 Fundamental Concepts In continuou
Page 19 and 20: 10 Fundamental Concepts Two other a
Page 21 and 22: 12 Fundamental Concepts known as st
Page 23 and 24: 14 Fundamental Concepts event execu
Page 25 and 26: 3 Ad Hoc Grid Aspects 16 Ad Hoc Gri
Page 27 and 28: 18 Ad Hoc Grid Aspects resources an
Page 29 and 30: 20 Ad Hoc Grid Aspects means that a
Page 31 and 32: Parallel Transaction-oriented Simul
Page 33 and 34: 24 Parallel Transaction-oriented Si
Page 35 and 36: 4.2 Synchronisation algorithm 26 Pa
Page 49 and 50: 5 Implementation 40 Implementation
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46 Implementation A detailed descri
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48 Implementation But in a parallel
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50 Implementation GPSS test models
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Simulation Controller side 52 Imple
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54 Implementation technique describ
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Implementation Euclidean distance b
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58 Implementation chain at the corr
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60 Implementation The algorithm wil
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No Start Is Active Object body acti
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5.3.2 GVT Calculation and End of Si
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66 Implementation provisional simul
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Implementation relatively basic per
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70 Implementation log4j.logger.para
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proactive-log4j 72 Implementation T
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74 Implementation Memory Allocation
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76 Validation of the Parallel Simul
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6.4 Validation 4 84 Validation of t
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… LpccEnabled=true LpccClusterNum
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Validation 5.2 Validation of the Pa
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7 Conclusions 96 Conclusions Even s
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References 98 References [1] Amin K
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[19] Krafft G. Parallelisation of T
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Appendix A: Detailed GPSS Syntax 10
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Reserved word: DEPART Syntax: [] DE
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Reserved word: SEIZE Syntax: [] SEI
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Setting: LpccClusterNumber Default
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Appendix C: Simulator log4j loggers
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Logger: parallelJavaGpssSimulator.l
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114 Appendix D: Structure of the at
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Appendix E: Documentation of select
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!"#"$$%$&"'"(!))*+,-$"./#0$! 1$"))
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!/+/.7/8$ Appendix E: Documentation
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Returns: Appendix E: Documentation
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!"#$%&''$()*)")$ +',)$-)$. #,/. !"#
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!"#$%&'()#%*+,"-*.# Appendix E: Doc
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Constructor Detail !"#$%&'$(#$)*$%+
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Validation 1.1, output of simulate:
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Validation 2, output of LP: Appendi
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Appendix F: Validation output logs
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Validation 2, output of simulate: A
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Validation 3.1, output of LP1: Appe
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Validation 4, output of LP1: Append
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simulation for time 2000) (628) 20:
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Validation 4, output of simulate: A
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(135) 19:37:56,477 Total transactio
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(68) 19:37:56,619 by the transactio
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(1295) 14:25:22,740 Simulation stop
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(68) 14:25:22,888 by the transactio
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Validation 6.2, output of LP2: (1)
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(32) (1,2) 0 765 Block: TRANSFER 0.
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