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BigSim Parallel Emulator 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 Emulator Installation and Usage
2
.
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
.
2
Compiling BigSim Applications
2
.
2
.
1
Writing a BigSim application using low level machine API
2
.
2
.
2
Writing a BigSim application in Charm++
2
.
2
.
3
Writing a BigSim application in MPI
2
.
3
Running a BigSim Application
3
BigSim Emulator
3
.
1
BigSim Programming Environment
3
.
1
.
1
BigSim API: Level 0
3
.
1
.
2
Initialization API: Level 1a
3
.
1
.
3
Handler Function API: Level 1a
3
.
2
Writing a BigSim Application
3
.
2
.
1
Application Skeleton
3
.
2
.
2
Sample Application 1
3
.
2
.
3
Sample Application 2
4
Interpolation / Extrapolation Tool
4
.
1
Tool Usage
4
.
1
.
1
Producing the Parameterized Timings Log
4
.
1
.
2
The BigSim log file format
4
.
1
.
3
Supported performance models
4
.
1
.
3
.
1
Model 1: Scaling SEB durations by a constant factor
4
.
1
.
3
.
2
Model 2: Extrapolation based on user's parameterizations
4
.
1
.
3
.
3
Model 3: Extrapolation of partial executions with cycle accurate simulations and user's parameterizations
5
BigSim Log Generation API
About this document ...
February 13, 2012
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