JDK-8184175 : Release Note: AVX-512 (AVX3) instructions set support
  • Type: Sub-task
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 9
  • Priority: P1
  • Status: Closed
  • Resolution: Delivered
  • OS: generic
  • CPU: x86
  • Submitted: 2017-07-11
  • Updated: 2017-09-22
  • Resolved: 2017-07-11
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JDK 9
9Resolved
Description
JDK 9 will support code generation for AVX-512 (AVX3) instructions set on x86 CPUs, but not by default. A maximum of AVX2 is supported by default in JDK 9. The flag -XX:UseAVX=3 can be used to enable AVX-512  code generation on CPUs that support it.