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  1. JDK
  2. JDK-8257772

Vectorizing clear memory operation using AVX-512 masked operations

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    • Enhancement
    • Resolution: Fixed
    • P3
    • 17
    • 16
    • hotspot
    • b03
    • x86_64
    • generic

    Description

      Accelerate clear memory operation for system initialization of newly allocated objects.
      Currently for constant number of heap words less than InitArrayShortSize C2 compiler emits initialization sequence using 8 byte stores.
      This can accelerated using vector store operations.

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              jbhateja Jatin Bhateja
              jbhateja Jatin Bhateja
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