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47 Commits

Author SHA1 Message Date
Thomas Schatzl
c03b0c2f62 8224741: Optimize the scan area during the Scan Heap Roots phase 
When scanning card blocks, remember the last address already scanned. Continue scanning from this address.

Reviewed-by: kbarrett, lkorinth
 2019-07-08 09:24:40 +02:00
Thomas Schatzl
d46d9318c1 8213108: Improve work distribution during remembered set scan 
Before scanning the heap for roots into the collection set, merge them into a single remembered set (card table) and do work distribution based on location like other collectors do.

Reviewed-by: kbarrett, lkorinth
 2019-06-27 11:48:32 +02:00
Thomas Schatzl
8c6727240e 8224160: Move G1RemSetScanClosure into g1RemSet.cpp file 
Reviewed-by: kbarrett, sangheki
 2019-05-22 11:19:14 +02:00
Thomas Schatzl
4b086a28a5 8222492: G1 unnecessarily scans remembered set cards for regions that already have been evacuated 
Filter out cards from the current collection set during evacuation increments.

Reviewed-by: kbarrett, sangheki
 2019-05-18 22:11:25 +02:00
Thomas Schatzl
b1278c587f 8223018: Rename G1RemSet::*oops_into_collection_set_do methods 
Reviewed-by: manc, sangheki
 2019-05-14 15:36:26 +02:00
Thomas Schatzl
3d149df158 8200545: Improve filter for enqueued deferred cards 
Reviewed-by: kbarrett, sangheki
 2019-05-14 15:36:26 +02:00
Thomas Schatzl
884545e54f 8218668: Clean up evacuation of optional collection set 
Better integrate optional collection set evacuation into the existing evacuation scheme, fixing a few minor issues with the initial implementation.

Reviewed-by: kbarrett, sangheki
 2019-04-08 20:37:52 +02:00
Kim Barrett
3bb3dbc47e 8220240: Refactor shared dirty card queue 
Add G1SharedDirtyCardQueue class.

Reviewed-by: tschatzl, lkorinth
 2019-03-22 15:42:43 -04:00
Thomas Schatzl
687596a858 8220345: Use appropriate type for G1RemSetScanState::IsDirtyRegionState 
Reviewed-by: kbarrett, lkorinth
 2019-03-13 21:01:56 +01:00
Thomas Schatzl
ece7e8a2a1 8220301: Remove jbyte use in CardTable 
Use CardTable::CardValue aliased to uint8_t instead.

Reviewed-by: kbarrett, shade
 2019-03-13 21:01:56 +01:00
Thomas Schatzl
bfaeb63761 8219748: Add and use getter for the timing object in G1 
Reviewed-by: shade, kbarrett
 2019-03-04 11:49:16 +01:00
Thomas Schatzl
5fe5d0a90a 8219747: Remove g1_ prefix to g1_remset and g1_policy members in G1CollectedHeap 
Reviewed-by: shade, sangheki
 2019-03-04 11:49:16 +01:00
Igor Ignatyev
7cf85f15b6 8219565: [deadcode] remove share/utilities/intHisto.* 
Reviewed-by: dholmes
 2019-02-28 09:10:46 -08:00
Thomas Schatzl
9e563f9a08 8219097: Move comment about using weak code blobs closure for code root scanning to correct place 
Reviewed-by: kbarrett
 2019-02-19 12:56:02 +01:00
Kim Barrett
d2c690e80b 8218089: Rename DirtyCardQueue et al to follow usual G1 naming conventions 
Move files and rename classes.

Reviewed-by: tschatzl, lkorinth
 2019-02-13 17:38:14 -05:00
Stefan Johansson
37f135132e 8213890: Implementation of JEP 344: Abortable Mixed Collections for G1 
Co-authored-by: Erik Helin <erik.helin@oracle.com>
Reviewed-by: tschatzl, kbarrett
 2018-12-07 13:54:45 +01:00
Thomas Schatzl
0f0b8626fc 8213996: Remove one of the SparsePRT entry tables 
Remove unused functionality in SparsePRT

Reviewed-by: shade, sjohanss
 2018-11-28 11:06:58 +01:00
Thomas Schatzl
28c9f22ebb 8212911: Unify and micro-optimize handling of non-in-collection set references in oop closures 
Reviewed-by: kbarrett, sjohanss
 2018-10-31 13:43:57 +01:00
Thomas Schatzl
3a343a5681 8071913: Filter out entries to free/uncommitted regions during iteration 
Reviewed-by: sjohanss, kbarrett
 2018-10-31 13:43:57 +01:00
Leo Korinth
b31408a667 8196341: Add JFR events for parallel phases of G1 
Reviewed-by: tschatzl, sangheki
 2018-09-21 18:57:18 +02:00
Thomas Schatzl
8e264e259d 8208498: Put archive regions into a first-class HeapRegionSet 
Maintain archive regions in a HeapRegionSet like other region types.

Reviewed-by: phh, sangheki
 2018-08-22 20:37:07 +02:00
Thomas Schatzl
d702d5f8d2 8208669: GC changes to allow enabling -Wreorder 
Reviewed-by: kbarrett
 2018-08-08 15:31:06 +02:00
Erik Gahlin
a060be188d 8199712: Flight Recorder 
Co-authored-by: Markus Gronlund <markus.gronlund@oracle.com>
Reviewed-by: coleenp, ihse, erikj, dsamersoff, mseledtsov, egahlin, mgronlun
 2018-05-15 20:24:34 +02:00
Thomas Schatzl
0f583c7817 6672778: G1 should trim task queues more aggressively during evacuation pauses 
Regularly try to drain task queues. This helps memory usage and performance during garbage collection.

Reviewed-by: sjohanss, sangheki
 2018-04-27 12:06:46 +02:00
Thomas Schatzl
5b42f3ce0d 8200426: Make G1 code use _g1h members 
Consistently use _g1h member names for cached G1CollectedHeap* variables.

Reviewed-by: sangheki, sjohanss
 2018-04-18 11:36:48 +02:00
Thomas Schatzl
7c09cf644b 8178105: Switch mark bitmaps during Remark 
Reviewed-by: sjohanss, sangheki
 2018-04-18 11:36:48 +02:00
Per Lidén
4c60e69b97 8201316: Move G1-related static members from JavaThread to G1BarrierSet 
Reviewed-by: stefank, shade
 2018-04-12 08:25:30 +02:00
Thomas Schatzl
e18975e1eb 8197932: Better split work in rebuild remembered sets phase 
Let threads rebuilding remembered sets yield after every G1RebuildRemSetChunkSize (default: 256kB) sized memory area to improve TTSP.

Reviewed-by: sangheki, sjohanss
 2018-03-28 16:39:32 +02:00
Thomas Schatzl
83d7c657c4 8197573: Remove concurrent cleanup and secondary free list handling 
Remove secondary free list and all associated functionality, moving the cleanup work into the Cleanup pause instead.

Reviewed-by: sangheki, sjohanss
 2018-03-28 16:39:32 +02:00
Thomas Schatzl
c30aef79df 8180415: Rebuild remembered sets during the concurrent cycle 
In general maintain remembered sets of old regions only from the start of the concurrent cycle to the mixed gc they are used, at most until the end of the mixed phase.

Reviewed-by: sjohanss, sangheki
 2018-03-26 16:51:43 +02:00
Erik Österlund
a06129a432 8195148: Collapse G1SATBCardTableModRefBS and G1SATBCardTableLoggingModRefBS into a single G1BarrierSet 
Reviewed-by: ehelin, kbarrett
 2018-03-06 08:36:44 +01:00
Thomas Schatzl
963ee1591a 8198546: [Redo] JDK-8196883 G1RemSet::refine_card_concurrently doesn't need to check for cards in collection set 
Remove code related to collection set checking in that method.

Reviewed-by: eosterlund, ehelin, kbarrett
 2018-03-06 13:08:59 +01:00
Jesper Wilhelmsson
8f1e5bc574 Merge 2018-03-02 21:00:12 +01:00
Lana Steuck
3e7c7c6cdf Merge 2018-02-28 21:21:11 +00:00
Thomas Schatzl
edb1509a0e 8197968: [Backout] JDK-8196883 G1RemSet::refine_card_concurrently doesn't need to check for cards in collection set 
Reviewed-by: kbarrett
 2018-02-15 00:20:22 +01:00
Erik Österlund
95d34d138d 8195142: Refactor out card table from CardTableModRefBS to flatten the BarrierSet hierarchy 
Reviewed-by: stefank, coleenp, kvn, ehelin
 2018-02-26 09:34:12 +01:00
Thomas Schatzl
147e4f3054 8197493: [Backout] JDK-8196602 Change HeapRegionClosure to comply to naming conventions 
Reviewed-by: shade
 2018-02-09 12:53:08 +01:00
Thomas Schatzl
514930360f 8196602: Change HeapRegionClosure to comply to naming conventions 
Reviewed-by: kbarrett, sjohanss
 2018-02-09 11:51:40 +01:00
Thomas Schatzl
75ab2501f7 8196883: G1RemSet::refine_card_concurrently doesn't need to check for cards in collection set 
Remove code related to collection set checking in that method.

Reviewed-by: kbarrett, ehelin
 2018-02-08 10:15:57 +01:00
Kim Barrett
7f0f329daf 8194691: Cleanup unnecessary casts in Atomic/OrderAccess uses 
Removed unnecessary casts.

Reviewed-by: coleenp, tschatzl
 2018-02-11 03:12:15 -05:00
Jesper Wilhelmsson
f4c6bc0030 Merge 2018-02-10 09:25:35 +01:00
Thomas Schatzl
80fa8a7208 8196602: Change HeapRegionClosure to comply to naming conventions 
Reviewed-by: kbarrett, sjohanss
 2018-02-09 13:09:55 +01:00
Thomas Schatzl
faff99f2fc 8190426: Lazily initialize refinement threads with UseDynamicNumberOfGCThreads 
Reviewed-by: sangheki, sjohanss
 2017-11-23 15:51:06 +01:00
Stefan Johansson
6929e0f05a 8186571: Implementation: JEP 307: Parallel Full GC for G1 
Improve G1 worst-case latencies by making the full GC parallel.

Reviewed-by: tschatzl, sangheki, ehelin
 2017-11-14 11:33:23 +01:00
Thomas Schatzl
b59c920e12 8149127: Rename g1/concurrentMarkThread.* to g1/g1ConcurrentMarkThread.* 
Reviewed-by: sjohanss, sangheki
 2017-11-06 14:24:31 +01:00
Roman Kennke
9ba22876cf 8189276: Make SuspendibleThreadSet and related code available to other GCs 
Reviewed-by: zgu, coleenp
 2017-10-18 21:17:46 +02:00
Erik Joelsson
3789983e89 8187443: Forest Consolidation: Move files to unified layout 
Reviewed-by: darcy, ihse
 2017-09-12 19:03:39 +02:00