Allen D. Malony, Sameer Shende

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Presentation transcript:

Allen D. Malony, Sameer Shende PERC Ideas Allen D. Malony, Sameer Shende {malony,sameer}@cs.uoregon.edu Department of Computer and Information Science Performance Research Laboratory University of Oregon

TAU Performance System Architecture event selection

TAU Performance System Architecture

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 DUCTAPE TAU_instr

ParaProf – Callpath Highlighting (Flash) MODULEHYDRO_1D:HYDRO_1D

ParaProf – 3D Full Profile (Miranda) 16k processors

ParaProf – 3D Scatterplot (Miranda) Each point is a “thread” of execution A total of four metrics shown in relation ParaVis 3D profile visualization library JOGL

Performance Data Management Framework

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

PerfExplorer Architecture

Automated Parallel Performance Diagnosis (L. Li) Based on earlier performance diagnosis project, Poirot

TAU Performance Regression (PerfRegress) Prototype developed by Alan Morris for Uintah Re-implement using PerfDMF

Integrated Performance Evaluation Environment

Empirical-Based Performance Optimization Experiment Schemas Experiment Trials management Process characterization Performance Tuning Performance Diagnosis Experimentation Observation hypotheses properties ? observability requirements

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