JDK-8005419 : Improve intrinsics code performance on x86 by using AVX2
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: hs25
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • OS: generic
  • CPU: x86
  • Submitted: 2012-12-21
  • Updated: 2022-02-07
  • Resolved: 2013-01-09
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JDK 7 JDK 8 Other
7u40Fixed 8Fixed hs24Fixed
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Description
Use AVX2 wide YMM registers and new instructions in arraycopy stubs, string intrinsics, clear array code.
Comments
URL: http://hg.openjdk.java.net/hsx/hsx25/hotspot/rev/038dd2875b94 User: amurillo Date: 2013-01-11 12:07:43 +0000
11-01-2013

URL: http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/038dd2875b94 User: kvn Date: 2013-01-09 01:08:52 +0000
09-01-2013

Use this RFE to improve string intrinsics. Use separate (linked) RFEs for other optimizations.
27-12-2012