performance cockpit an extensible gui platform for performance tools
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Performance Cockpit : An Extensible GUI Platform for Performance Tools. Tianchao Li ( [email protected] ) Michael Gerndt ( [email protected] ). Content. Performance Tools and the GUIs The General Extensible Architecture Standardized Intermediate Representation

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Presentation Transcript
  • Performance Tools and the GUIs
  • The General Extensible Architecture
  • Standardized Intermediate Representation
  • Towards a Universal Platform for Performance Tools
performance tools
Performance Tools
  • Commonly used in high performance computing
  • Monitor program execution and produce performance data that can be analyzed to locate and understand performance problems
  • Existing tools (commercial/research) varies in
    • Programming Languages & Programming Paradigms
    • Source instrumentation vs. binary instrumentation
    • Full monitoring vs. selective monitoring
    • Post-mortem analysis vs. run-time analysis
guis for performance tools
GUIs for Performance Tools
  • Typically, each performance tool provides a customized UI
    • show application structure
    • specify measurement targets
    • control measurement execution
    • display measurement result
  • Diversity of UI brings Many drawbacks
    • inconsistent user interface
      • difficult to learn
      • bad user experience
    • hard to integrate and interoperate
    • Duplicate work on common features
  • We need a common GUI platform
ep cache project
EP-Cache Project
  • Efficient Parallel Programming of Cache Architectures
    • A three-year research project funded by German Federal Ministry for Education and Research
    • Develop new performance analysis tools and performance tuning techniques with which programs can be improved to efficiently utilize the underlying cache architectures, especially on SMPs
    • Performance measurement tools developed, including
      • Counter-based Profiling and Tracing Environment (CPTE)
      • EP-Cache Monitor (EPCM)
      • ...
  • Based on hardware performance counters
  • Measurement granularity: program regions
  • Profiling, tracing and sampling
  • Post-mortem analysis
  • Result visualization with KCachegrind
  • Based on simulator for shared memory multi-processor
    • Following a novel hardware monitor design
    • Runtime instrumentation of application binary, on-the-fly simulation of cache access behavior and performance monitoring
  • Measurement granularity: code region & data structure
  • Profiling and Tracing
  • Runtime analysis of performance data
  • Result visualization with VAMPIR
the performance cockpit
The Performance Cockpit
  • A common GUI platform for the integration of EP-Cache performance measurement tools
  • Based on Eclipse, CDT, (PTP)
  • The starting point of a Universal Integration Platform for Performance Tools
    • programming language neutral
    • programming paradigm neutral
    • performance tool neutral
the general extensible architecture

CPTE Plug-in

EPCM Plug-in

Instrumentation Plug-ins

Instrumentation Plug-ins

Example Plug-ins

Performance Platform

Eclipse + CDT + Fortran Plug-in

The General Extensible Architecture
the standardized intermediate representation
The Standardized Intermediate Representation
  • Standardized representation should be defined for all relevant information
    • program code region structure
    • program instrumentation targets and/or monitoring requests
    • measured performance data
  • Standardized Intermediate Representation (SIR)
  • standardized abstract representation of program structure
  • Fortran 95, Java, C and C++
  • defined in the APART working group
future developments
Future Developments
  • Integration with PTP (Parallel Tools Platform)
    • Project lead by from LANL
    • Also based on Eclipse
    • Support a rich set of parallel programming languages and paradigms
    • Provides a core infrastructure for the integration of a wide variety of parallel tools
  • Performance Cockpit provides a basis for future development of a universal integration platform for performance tools.
  • Beneficial to users and developers of all performance tools
    • Consistent user experience
    • Gentler learning curve
    • Enables interoperability among performance tools
    • Reduces redundant development work