Allen D. Malony, Sameer Shende

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PERC Ideas

• Allen D. Malony, Sameer Shende
• malony,sameer_at_cs.uoregon.edu
• Department of Computer and Information Science
• Performance Research Laboratory
• University of Oregon

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TAU Performance System Architecture
event selection
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TAU Performance System Architecture
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Program Database Toolkit (PDT)
Application / Library
C / C parser
Fortran parser F77/90/95
Program documentation
PDBhtml
Application component glue
IL
IL
SILOON
C / C IL analyzer
Fortran IL analyzer
C / F90/95 interoperability
CHASM
Program Database Files
Automatic source instrumentation
TAU_instr
DUCTAPE
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ParaProf Callpath Highlighting (Flash)
MODULEHYDRO_1DHYDRO_1D
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ParaProf 3D Full Profile (Miranda)
16k processors
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ParaProf 3D Scatterplot (Miranda)

• Each pointis a threadof execution
• A total offour metricsshown inrelation
• ParaVis 3Dprofilevisualizationlibrary
• JOGL

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Performance Data Management Framework
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PerfExplorer (K. Huck, Ph.D. student, UO)

• Performance knowledge discovery framework
• Use the existing TAU infrastructure
• TAU instrumentation data, PerfDMF
• Client-server based system architecture
• Data mining analysis applied to parallel
  performance data
• comparative, clustering, correlation, dimension
  reduction, ...
• Technology integration
• Relational DatabaseManagement Systems (RDBMS)
• Java API and toolkit
• R-project / Omegahat statistical analysis
• WEKA data mining package
• Web-based client

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PerfExplorer Architecture
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Automated Parallel Performance Diagnosis (L. Li)

• Based on earlier performance diagnosis project,
  Poirot

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TAU Performance Regression (PerfRegress)

• Prototype developed by Alan Morris for Uintah
• Re-implement using PerfDMF

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Integrated Performance Evaluation Environment
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Empirical-Based Performance Optimization
Process