1 Shahrukh R. Tarapore Research Scientist Mnemosyne: Program Analysis Tools for HPC Code Optimization Lockheed Martin Advanced Technology Laboratories.

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Presentation transcript:

1 Shahrukh R. Tarapore Research Scientist Mnemosyne: Program Analysis Tools for HPC Code Optimization Lockheed Martin Advanced Technology Laboratories (ATL) Cherry Hill, NJ ©2010 Lockheed Martin Corporation. All rights reserved.

2 Application Behavior Problem HPC codes are written by domain experts - not computer systems engineers Naïve implementations lead to bottlenecks which are typically platform specific HPC hardware architectures will continue to change rapidly – –a new platform often means repeating the optimization process

3 Solution: Mnemosyne

4 Experimental Results All applications are compiled with dwarf-2 debugging symbols and level 0 optimization. ApplicationLanguageDescriptionSLOCSpeedupBehaviors CIT AirshedFortranModels formation and dispersal of atmospheric pollutants 0.4K2xMemory striding Function Invariants LIBQuantumCQuantum mechanics simulation 37K1.75xMemory striding GNU GoCArtificial intelligence playing the game ‘Go’ 571K1.05xMemory striding Branch invariants OpenLB Poiseuille2D C++Computational Fluid Dynamics Simulation 55K1.02xMemory striding Branch invariants ICEPICCHigh power microwave physics modeling 78K1xMemory striding Branch invariants Misaligned Accesses