John Cuthbertson
f1cbffdd3e
6819077: G1: first GC thread coming late into the GC
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The first worker thread is delayed when entering the GC because it clears the card count table that is used in identifying hot cards. Replace the card count table with a dynamically sized evicting hash table that includes an epoch based counter.
Reviewed-by: iveresov, tonyp
2009-08-04 16:00:17 -07:00
Y. Srinivas Ramakrishna
075c1335cb
6700789: G1: Enable use of compressed oops with G1 heaps
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Modifications to G1 so as to allow the use of compressed oops.
Reviewed-by: apetrusenko, coleenp, jmasa, kvn, never, phh, tonyp
2009-07-14 15:40:39 -07:00
Andrey Petrusenko
b7eda61fb6
6819065: G1: eliminate high serial card table clearing time
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Reviewed-by: iveresov, tonyp
2009-05-19 04:05:31 -07:00
Igor Veresov
8c764e214c
6484957: G1: parallel concurrent refinement
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6826318: G1: remove traversal-based refinement code
Removed traversal-based refinement code as it's no longer used. Made the concurrent refinement (queue-based) parallel.
Reviewed-by: tonyp
2009-05-11 16:30:56 -07:00
John Cuthbertson
55750920b4
6490395: G1: Tidy up command line flags
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Change G1 flag names to be more consistent and disable some in 'product' mode.
Reviewed-by: tonyp, iveresov
2009-04-30 15:07:53 -07:00
Igor Veresov
db68fa7326
6819098: G1: reduce RSet scanning times
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Added a feedback-driven exponential skipping for parallel RSet scanning.
Reviewed-by: tonyp, apetrusenko
2009-04-27 16:52:18 -07:00
Andrey Petrusenko
cf2ae8d98d
6543938: G1: remove the concept of popularity
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Reviewed-by: iveresov, tonyp
2009-03-25 13:10:54 -07:00
Antonios Printezis
d5e5e5a3d1
6820321: G1: Error: guarantee(check_nums(total, n, parts), "all seq lengths should match")
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Small fixes to sort out some verbosegc-related incorrectness and a failure
Reviewed-by: apetrusenko
2009-03-21 22:53:04 -04:00
Antonios Printezis
f8c3115e4e
Merge
2009-03-18 11:37:48 -04:00
Antonios Printezis
217739210d
6816154: G1: introduce flags to enable/disable RSet updating and scanning
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Introduces two flags, -XX:-/+G1EnableParallelRSetUpdating and -XX:-/+G1EnableParallelRSetScanning, to turn on/off the "band aid" fix that serializes RSet updating / scanning during GCs.
Reviewed-by: iveresov
2009-03-16 10:52:44 -04:00
Igor Veresov
82619cc8da
6817419: G1: Enable extensive verification for humongous regions
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Enabled full verification for humongous regions. Also made sure that the VerifyAfterGC works with deferred updates and G1HRRSFlushLogBuffersOnVerify.
Reviewed-by: tonyp
2009-03-16 08:01:32 -07:00
Erik Trimble
8d6035660e
Merge
2009-03-12 18:16:36 -07:00
Andrey Petrusenko
13c13c7289
6760309: G1: update remembered sets during Full GCs
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Reviewed-by: iveresov, tonyp
2009-03-10 00:47:05 -07:00
Xiomara Jayasena
2be2e027b0
6814575: Update copyright year
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Update copyright for files that have been modified in 2009, up to 03/09
Reviewed-by: katleman, tbell, ohair
2009-03-09 13:28:46 -07:00
Igor Veresov
416d70bf91
6720309: G1: don't synchronously update RSet during evacuation pauses
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6720334: G1: don't update RSets of collection set regions during an evacuation pause
Introduced a deferred update mechanism for delaying the rset updates during the collection pause
Reviewed-by: apetrusenko, tonyp
2009-03-06 13:50:14 -08:00
Andrey Petrusenko
61181babf1
6484959: G1: introduce survivor spaces
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6797754: G1: combined bugfix
Implemented a policy to control G1 survivor space parameters.
Reviewed-by: tonyp, iveresov
2009-02-06 01:38:50 +03:00
Y. Srinivas Ramakrishna
18f3386a98
6711316: Open source the Garbage-First garbage collector
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First mercurial integration of the code for the Garbage-First garbage collector.
Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
2008-06-05 15:57:56 -07:00
