英特尔® VTune™ 性能分析器

Identifying JVM SIMD and SSE Usage with the VTune™ Performance Analyzer

Leveraging SIMD and SSE (Streaming SIMD Extensions) support available on target processors is one of the key optimization techniques JVMs use (or should use). The question is how to identify which Jitted methods use SSE?
  • Linux*
  • Microsoft Windows* (XP, Vista, 7)
  • 英特尔® VTune™ 性能分析器
  • JVM
  • SSE
  • 英特尔® SIMD 流指令扩展
  • Event Based Sampling - are you ready?

    Event based sampling uses counters on the Intel processors to detect what your software is doing. This is helpful for tuning and improving software performance. Typical hotspot analysis shows you where your software spends most of the execution time, but event based sampling allows you to see not just what sections of your application take the most time but why and what it is doing.

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