13 Commits

Author SHA1 Message Date
Igor Veresov
1383dc414b 6862387: tune concurrent refinement further
Reworked the concurrent refinement: threads activation, feedback-based threshold adjustment, other miscellaneous fixes.

Reviewed-by: apetrusenko, tonyp
2009-12-16 15:12:51 -08:00
Antonios Printezis
243367ec16 6819085: G1: use larger and/or user settable region size
Instead of the region size being hard-coded, allow the user to set it.

Reviewed-by: jmasa, johnc, apetrusenko
2009-07-30 16:22:58 -04:00
Antonios Printezis
4d138cd094 6871111: G1: remove the concurrent overhead tracker
Removing the concurrent overhead tracker from G1, along with the GC overhead reporter and the G1AccountConcurrentOverhead (both of which rely on the the concurrent overhead tracker).

Reviewed-by: iveresov, johnc
2009-08-19 12:53:25 -04:00
John Cuthbertson
f1cbffdd3e 6819077: G1: first GC thread coming late into the GC
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
Antonios Printezis
1215bc6717 6855834: G1: minimize the output when -XX:+PrintHeapAtGC is set
Changing the behavior of -XX:+PrintHeapAtGC for G1 from printing lengthy, per-region information to instead printing a concise summary.

Reviewed-by: ysr, apetrusenko, jcoomes
2009-07-07 14:23:00 -04:00
Igor Veresov
8c764e214c 6484957: G1: parallel concurrent refinement
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
Andrey Petrusenko
cf2ae8d98d 6543938: G1: remove the concept of popularity
Reviewed-by: iveresov, tonyp
2009-03-25 13:10:54 -07:00
Erik Trimble
8d6035660e Merge 2009-03-12 18:16:36 -07:00
Xiomara Jayasena
2be2e027b0 6814575: Update copyright year
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
Antonios Printezis
f883e6fde8 6804746: G1: guarantee(variance() > -1.0,"variance should be >= 0") (due to evacuation failure)
Under certain circumstances (evacuation failure) the pause time is not communicated to the policy and, as a result, the pause time field is not initialized properly.

Reviewed-by: jmasa
2009-02-24 15:50:23 -05:00
Andrey Petrusenko
a7da5440dd 6700941: G1: allocation spec missing for some G1 classes
Reviewed-by: tonyp
2009-02-10 18:39:09 +03:00
Andrey Petrusenko
61181babf1 6484959: G1: introduce survivor spaces
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
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