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From "Aleksey Shipilev (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-5916) [classlib][pack200] Isolating I/O and processing stages
Date Thu, 17 Jul 2008 16:21:31 GMT
[classlib][pack200] Isolating I/O and processing stages 
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                 Key: HARMONY-5916
                 URL: https://issues.apache.org/jira/browse/HARMONY-5916
             Project: Harmony
          Issue Type: Improvement
          Components: Classlib
         Environment: Latest pack200
            Reporter: Aleksey Shipilev


So far the unpacking in pack200 implementation is strongly coupled with I/O. Because I/O is
essentially serial, there's no opportunity for paralleling the unpacking. This issue breaks
the unpacking into three parts: reading, processing and writing. The target is to concentrate
as much as possible work into the processing stage, decoupling it from I/O. Then the processing
stage could be done concurrently on multiple Segments.

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