JDK-6658422 : Special TLABs for char[] and 16-,32-bytes aligned objects
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 7
  • Priority: P5
  • Status: Closed
  • Resolution: Won't Fix
  • OS: solaris_9
  • CPU: sparc
  • Submitted: 2008-02-01
  • Updated: 2010-11-09
  • Resolved: 2010-11-09
Related Reports
Relates :  
JDK-6892658 - C2 should optimize some stringbuilder patterns
Description
Investigate posibility to have special TLAB for StringBuilder char[] arrays
to avoid reallocation and geenrating duplicated char[].
Also to have special TLABs for objects with size rounded to 16-, 32-bytes
to have them always be aligned to 16-, 32-bytes and fit into a cache line.