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From Apache Wiki <wikidi...@apache.org>
Subject [Harmony Wiki] Update of "Startup Performance" by AlexeiFedotov
Date Tue, 12 Feb 2008 16:16:03 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 AlexeiFedotov:
http://wiki.apache.org/harmony/Startup_Performance

------------------------------------------------------------------------------
       * Obfuscate private and undocumented class fields.
     * Reorder boot class path putting important jars first.
     * Save VM state dumping heap memory, thread stacks, states of files, sockets and other
open resources. While the task look heavy, for a particular application use case this might
be doable.
-    * Improve Class.getMethod() lookup speed [http://issues.apache.org/jira/browse/HARMONY-5284
HARMONY-5284], and related field lookup speed.
     * Remove duplicated jar reads, [http://issues.apache.org/jira/browse/HARMONY-5285 HARMONY-5285].
     * Delay a method recompilation, [http://issues.apache.org/jira/browse/HARMONY-5356 HARMONY-5356].
     * Improve manifest parsing, [http://issues.apache.org/jira/browse/HARMONY-4569 HARMONY-4569].
  
  Thanks Pavel Pervov, Alexei Shipilev, Eugenia Maenkova, Andrey Yakushev, Sergey Kuksenko,
Natalya Naumova, Gregory Shimansky.
  
- === Open Issues ===
+ === Patches ===
  ||'''JIRA'''||'''Optimization'''||'''Owned'''||
  ||[http://issues.apache.org/jira/browse/HARMONY-5277 HARMONY-5277]||Mixed optimizations||[http://issues.apache.org/jira/secure/ViewProfile.jspa?name=nsnaumova
Natalya] is to close||
  ||[http://issues.apache.org/jira/browse/HARMONY-5280 HARMONY-5280]||Unpack jar files||[http://issues.apache.org/jira/secure/ViewProfile.jspa?name=mcfirst
Pavel] is to comment||
  ||[http://issues.apache.org/jira/browse/HARMONY-5281 HARMONY-5281]||Read jar files by means
of memory mapping||[http://issues.apache.org/jira/secure/ViewProfile.jspa?name=nsnaumova Natalya]
is to comment||
  ||[http://issues.apache.org/jira/browse/HARMONY-5284 HARMONY-5284]||Improve Class.getMethod()
lookup speed and related field lookup speed||[http://issues.apache.org/jira/secure/ViewProfile.jspa?name=varlax
Alexey] is to comment||
+ ||[http://issues.apache.org/jira/browse/HARMONY-5356 HARMONY-5356]||Delay a method recompilation||[http://issues.apache.org/jira/secure/ViewProfile.jspa?name=aleksey.shipilev
Aleksey] is to resolve]||
  ||[http://issues.apache.org/jira/browse/HARMONY-5481 HARMONY-5481]||Collect hash statistics||[http://issues.apache.org/jira/secure/ViewProfile.jspa?name=mcfirst
Pavel] is to review||
  ||[http://issues.apache.org/jira/browse/HARMONY-5499 HARMONY-5499]||Configure hash size||[http://issues.apache.org/jira/secure/ViewProfile.jspa?name=mcfirst
Pavel] is to review and commit||
  

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