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BigSim Parallel Simulator Manual
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1 Introduction
BigSim Parallel Simulator for Extremely Large Parallel Machines
1
Introduction
1
.
1
Simulator system components
1
.
2
History
2
BigSim Simulator Installation and Usage
2
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1
Installing Charm++ and BigSim
2
.
1
.
1
Building Only the BigSim Emulator
2
.
1
.
2
Building Charm++ or AMPI on the BigSim Emulator
2
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2
Compiling BigSim Applications
2
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2
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1
Writing a BigSim application using low level machine API
2
.
2
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2
Writing a BigSim application in Charm++
2
.
2
.
3
Writing a BigSim application in MPI
2
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3
Running a BigSim Application
3
BigSim Emulator
3
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1
BigSim Programming Environment
3
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1
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1
BigSim API: Level 0
3
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1
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2
Initialization API: Level 1a
3
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1
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3
Handler Function API: Level 1a
3
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2
Writing a BigSim Application
3
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2
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1
Application Skeleton
3
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2
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2
Sample Application 1
3
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2
.
3
Sample Application 2
4
Interpolation / Extrapolation Tool
4
.
1
Usage
4
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1
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1
Producing the Parameterized Timings Log
4
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1
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2
The bgTrace log file format
4
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1
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3
Supported performance models
4
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1
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4
Model 1: Scaling SEB durations from a full run on target processor
4
.
1
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5
Model 2: Extrapolating based on User Parameterizations
4
.
1
.
6
Model 3: Extrapolating Partial Executions with Cycle Accurate Simulations and User Parameterizations
5
BigSim Log Generation API
6
BigSim Network Simulator
6
.
1
What does this software do?
6
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2
BigNetSim Design and Internals
6
.
3
Topology, Routing and Virtual Channel Selection
6
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3
.
1
Topology
6
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3
.
2
Routing
6
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3
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3
Input Virtual Channel Selection
6
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3
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4
Output Virtual Channel Selection
6
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4
Which Interconnection networks are implemented?
6
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5
Using the software
6
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6
Build your own Interconnection network
About this document ...
January 17, 2008
Charm Homepage
