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From Apache Wiki <wikidi...@apache.org>
Subject [Harmony Wiki] Update of "Google Summer Of Code 2009 Projects Proposals" by XiaoFeng Li
Date Wed, 25 Mar 2009 00:39:12 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Harmony Wiki" for change notification.

The following page has been changed by XiaoFeng Li:
http://wiki.apache.org/harmony/Google_Summer_Of_Code_2009_Projects_Proposals

------------------------------------------------------------------------------
  || '''Possible Mentors''' || Xiao-Feng Li (committer)||
  || '''Status''' || Unassigned ||
  
+ || '''Subject ID''' || ''harmony-GC-1'' ||
+ || '''Title''' || ''' Implement WeakReference support in Harmony concurrent GC ''' ||
+ || '''ASF Project''' || Apache Harmony http://harmony.apache.org ||
+ || '''Keywords''' || Harmony, concurrent GC, weak reference ||
+ || '''Description''' || Harmony already has a concurrent GC (called Tick, with three concurrent
GC algorithms). It runs well with standard benchmarks. The only remaining unfinished feature
is WeakReference support . Weakly referenced object (i.e., referent) is accessed through get()
interface. That means, get() operation can make a weakly reachable referent strongly reachable.
During concurrent collection, the system must monitor the get() operation to catch this change
of reachability, otherwise the referent could be reclaimed. This project also includes to
integrate the WeakReference processing with Finalization process. Other optimizations in Tick
are also desirable, such as to reduce the amount of floating garbage. ||
+ || '''Possible Mentors''' || Xiao-Feng Li (committer)||
+ || '''Status''' || Unassigned ||
+ 

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