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8048268: G1 Code Root Migration performs poorly

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Replace G1CodeRootSet with a Hashtable based implementation, merge Code Root Migration phase into Code Root Scanning

Reviewed-by: jmasa, brutisso, tschatzl
This commit is contained in:
Mikael Gerdin 2014-08-29 13:12:21 +02:00
parent 6fc8764c65
commit 10379e7e82
17 changed files with 437 additions and 677 deletions
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5
hotspot/src/share/vm/utilities/hashtable.cpp
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@ -355,6 +355,11 @@ template <MEMFLAGS F> void BasicHashtable<F>::verify_lookup_length(double load)
// Explicitly instantiate these types
#if INCLUDE_ALL_GCS
template class Hashtable<nmethod*, mtGC>;
template class HashtableEntry<nmethod*, mtGC>;
template class BasicHashtable<mtGC>;
#endif
template class Hashtable<ConstantPool*, mtClass>;
template class RehashableHashtable<Symbol*, mtSymbol>;
template class RehashableHashtable<oopDesc*, mtSymbol>;