16 Commits

Author SHA1 Message Date
Y. Srinivas Ramakrishna
b4b287e7ac 6668573: CMS: reference processing crash if ParallelCMSThreads > ParallelGCThreads
Use _max_num_q = max(discovery_degree, processing_degree), and let balance_queues() redistribute from discovery_degree to processing_degree of queues. This should also allow a more dynamic and flexible parallelism policy in the future.

Reviewed-by: jmasa, johnc
2011-03-17 10:32:46 -07:00
Y. Srinivas Ramakrishna
8baafdfd45 7005259: CMS: BubbleUpRef asserts referent(obj)->is_oop() failed: Enqueued a bad referent
Relaxed the assert by allowing NULL referents when discovery may be concurrent.

Reviewed-by: johnc, jcoomes
2010-12-09 09:22:57 -08:00
Stefan Karlsson
8006fe8f75 6989984: Use standard include model for Hospot
Replaced MakeDeps and the includeDB files with more standardized solutions.

Reviewed-by: coleenp, kvn, kamg
2010-11-23 13:22:55 -08:00
John Coomes
cdc9022728 Merge 2010-10-08 09:29:09 -07:00
Pavel Tisnovsky
af2548723c 6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
These are minor changes fixing compile failure when -Wall -Werror flags are used under gcc 4.5.

Reviewed-by: twisti, kvn, rasbold
2010-09-09 05:24:11 -07:00
Jon Masamitsu
28e56b8970 6984287: Regularize how GC parallel workers are specified
Associate number of GC workers with the workgang as opposed to the task.

Reviewed-by: johnc, ysr
2010-09-20 14:38:38 -07:00
Erik Trimble
ba7c173659 6941466: Oracle rebranding changes for Hotspot repositories
Change all the Sun copyrights to Oracle copyright

Reviewed-by: ohair
2010-05-27 19:08:38 -07:00
John Cuthbertson
b34027a600 6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
Interval checking is now being performed on the values passed in for these two flags. The current acceptable range for RefDiscoveryPolicy is [0..1], and for TLABWasteTargetPercent it is [1..100].

Reviewed-by: apetrusenko, ysr
2010-01-29 14:51:38 -08:00
Jon Masamitsu
b2ed547ec0 6895236: CMS: cmsOopClosures.inline.hpp:43 assert(..., "Should remember klasses in this context")
Adjust assertion checking for ExplicitGCInvokesConcurrentAndUnloadsClasses as a reason for class unloading

Reviewed-by: ysr
2010-01-21 11:33:32 -08:00
Y. Srinivas Ramakrishna
16aa57cb4b 6778647: snap(), snap_policy() should be renamed setup(), setup_policy()
Renamed Reference{Policy,Pocessor} methods from snap{,_policy}() to setup{,_policy}()

Reviewed-by: apetrusenko
2008-12-01 23:25:24 -08:00
Y. Srinivas Ramakrishna
7d7cf3f8af 6684579: SoftReference processing can be made more efficient
For current soft-ref clearing policies, we can decide at marking time if a soft-reference will definitely not be cleared, postponing the decision of whether it will definitely be cleared to the final reference processing phase. This can be especially beneficial in the case of concurrent collectors where the marking is usually concurrent but reference processing is usually not.

Reviewed-by: jmasa
2008-11-20 16:56:09 -08:00
Antonios Printezis
615777b6da Merge 2008-08-21 23:36:31 -04:00
Xiomara Jayasena
c96a95c4b8 6719955: Update copyright year
Update copyright year for files that have been modified in 2008

Reviewed-by: ohair, tbell
2008-07-02 12:55:16 -07:00
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
Coleen Phillimore
4a831d45f0 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv

Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
2008-04-13 17:43:42 -04:00
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00