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Bug ID:
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6889757
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Votes
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0
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Synopsis
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G1: enable card mark elision for initializing writes by compiler (ReduceInitialCardMarks)
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Category
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hotspot:garbage_collector
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Reported Against
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Release Fixed
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hs17(b04),
6u18(b04) (Bug ID:2184280)
, hs16(b11) (Bug ID:2184281)
, 7(b75) (Bug ID:2184802)
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State
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10-Fix Delivered,
request for enhancement
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Priority:
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3-Medium
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Related Bugs
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6506252
,
6888898
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Submit Date
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08-OCT-2009
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Description
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ReduceInitialCardMarks-enabled card mark elision of initializing
writes has been in the code base for a while (since 6u10/hs11) but has
been disabled for G1. The changes needed to fix 6888898 should
allow that optimization to be enabled for G1 as well.
Posted Date : 2009-10-08 19:36:13.0
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Work Around
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N/A
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Evaluation
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Yes.
Posted Date : 2009-10-08 19:36:13.0
http://hg.openjdk.java.net/jdk7/hotspot-gc/hotspot/rev/39b01ab7035a
Posted Date : 2009-10-16 11:31:59.0
http://hg.openjdk.java.net/hsx/hsx16/baseline/rev/aa001a20bd61
Posted Date : 2009-10-22 02:15:24.0
http://hg.openjdk.java.net/hsx/hsx16/master/rev/aa001a20bd61
Posted Date : 2009-10-22 08:06:40.0
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Comments
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PLEASE NOTE: JDK6 is formerly known as Project Mustang
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