KAI GuideView: Performance Analysis

• Speedup curves

  • Amdahl’s Law vs. Actual times

• Whole program time breakdown

  • Productive work vs
  • Parallel overheads

• Compare several runs

  • Scaling processors

• Breakdown by section

  • Parallel regions
  • Barrier sections
  • Serial sections

• Breakdown by thread

• Breakdown overhead

  • Types of runtime calls
  • Frequency and time

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