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From "Xiao-Feng Li (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-5413) [DRLVM][Interpreter] Interpreter does not have write barrier support for generational GC
Date Tue, 22 Jan 2008 15:14:35 GMT
[DRLVM][Interpreter] Interpreter does not have write barrier support for generational GC
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                 Key: HARMONY-5413
                 URL: https://issues.apache.org/jira/browse/HARMONY-5413
             Project: Harmony
          Issue Type: Improvement
          Components: DRLVM
         Environment: All
            Reporter: Xiao-Feng Li
            Priority: Critical
         Attachments: 01-gen-semispace.patch

I am now enabling generational semispace GC as the default GC to replace current Harmony GCv5
(the new GC brings big performance boost). Unfortunately I found our interpreter doesn't fully
support write barrier as JIT does. This makes the tests under interpreter mode easily fail.
Since the new GC is critical for DRLVM performance, it would be desirable if the interpreter
write barrier support could be enabled as soon as possible. 

To use gen mode semispace GC, please apply the 01-gen-semispace.patch to gc_gen/ directory.


Thanks!

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