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  HotSpot Optimization  (Read 8753 times)
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Offline Wiki Duke

?





« Posted 2012-08-02 11:48:26 »

Note: you are watching revision 3 of this wiki entry. ( view plain diff )
compiler tactics:

proof-based techniques:

flow-sensitive rewrites:

language-specific techniques:
  • class hierarchy analysis
  • devirtualization
  • symbolic constant propagation
  • autobox elimination
  • escape analysis/scalar replacement
  • lock elision
  • lock fusion
  • de-reflection

speculative (profile-based) techniques:
  • optimistic nullness assertions
  • optimistic type assertions
  • optimistic type strengthening
  • optimistic array length strengthening
  • untaken branch pruning
  • optimistic N-morphic inlining
  • branch frequency prediction
  • call frequency prediction

memory and placement transformation:
  • expression hoisting
  • expression sinking
  • redundant store elimination
  • adjacent store fusion
  • card-mark elimination
  • merge-point splitting

loop transformations:

global code shaping:
  • inlining (graph integration)
  • global code motion
  • heat-based code layout
  • switch balancing
  • throw inlining

control flow graph transformation:
  • local code scheduling
  • local code bundling
  • delay slot filling
  • graph-coloring register allocation
  • linear scan register allocation
  • live range splitting
  • copy coalescing
  • constant splitting
  • copy removal
  • address mode matching
  • instruction peepholing
  • DFA-based code generator

List on the HotSpot wiki: here
This wiki entry has had 6 revisions with contributions from 3 members. (more info)
Offline matheus23

JGO Kernel


Medals: 138
Projects: 3


You think about my Avatar right now!


« Reply #1 - Posted 2012-08-02 18:55:38 »

Made this look good.

Was pretty much work...

Thought about writing a Generator.
But didn't do it...

See my:
    My development Blog:     | Or look at my RPG | Or simply my coding
http://matheusdev.tumblr.comRuins of Revenge  |      On Github
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