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27 Commits

Author SHA1 Message Date
Kim Barrett
4b3c528140 8162929: Enqueuing dirty cards into a single DCQS during GC does not scale 
Refactor into G1RedirtyCardsQueue[Set] and G1DirtyCardQueueSet

Reviewed-by: tschatzl, sangheki
 2019-07-19 16:47:11 -04:00
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
d36c7bad82 8223693: Memory wastage in size of per-region type buffers in GC 
Reviewed-by: kbarrett, sangheki
 2019-06-03 10:51:28 +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
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
Thomas Schatzl
eaab45a8b8 8219096: Merge print_termination_stats code with current logging 
Reviewed-by: lkorinth, kbarrett
 2019-02-20 14:30:33 +01:00
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
4da555c7a8 8213142: Use RAII to set the scanning source in G1ScanEvacuatedObjClosure 
Reviewed-by: sangheki, kbarrett
 2018-10-31 13:43:57 +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
f69c1407ae 8212766: TestPromotionEventWithG1.java failed due to "RuntimeException: PLAB size is smaller than object size." 
Also send PLAB size in bytes, not in heap words.

Reviewed-by: shade, sjohanss
 2018-10-29 08:55:03 +01:00
Thomas Schatzl
3a48e68b1a 8212753: Improve oopDesc::forward_to_atomic 
Avoid multiple unnecessary reloads of the mark oop in oopDesc::forward_to_atomic

Reviewed-by: kbarrett, mdoerr
 2018-10-24 16:22:34 +02:00
Thomas Schatzl
475df1c06a 8210492: PLAB object promotion events report object sizes in words 
Properly scale values passed to the JFR event.

Reviewed-by: phh, jcbeyler
 2018-10-16 11:27:21 +02:00
Zhengyu Gu
4555c28590 8205921: Optimizing best-of-2 work stealing queue selection 
Bias towards stealing from queues that we recently successfully stole from to decrease the number of unsuccessful steal attempts.

Co-authored-by: Thomas Schatzl <thomas.schatzl@oracle.com>
Reviewed-by: eosterlund, kbarrett
 2018-08-03 11:06:10 +02:00
Michihiro Horie
4641ea7bed 8204524: Unnecessary memory barriers in G1ParScanThreadState::copy_to_survivor_space 
Reviewed-by: kbarrett, mdoerr, drwhite, tschatzl
 2018-06-25 10:41:03 +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
Roman Kennke
389d720746 8199735: Mark word updates need to use Access API 
Reviewed-by: shade, eosterlund
 2018-04-05 10:54:53 +02:00
Stefan Johansson
b758cec4ad 8200169: Flatten G1Allocator class hierarchy 
Reviewed-by: tschatzl, sangheki
 2018-04-06 11:41:21 +02:00
Stefan Karlsson
f89abe4589 8199946: Move load/store and encode/decode out of oopDesc 
Reviewed-by: eosterlund, coleenp, tschatzl
 2018-03-15 21:24:10 +01:00
Erik Helin
6fb24f87da 8197847: Remove unused file g1ParScanThreadState_ext.cpp 
Reviewed-by: sjohanss, eosterlund
 2018-03-05 11:32:17 +01:00
Stefan Johansson
bacf4db5bd 8198424: Remove G1AllocationContext 
Reviewed-by: ehelin, tschatzl
 2018-03-02 10:09:08 +01:00
Stefan Johansson
f5891500fd 8198430: Remove G1Allocator extension point 
Reviewed-by: ehelin, tschatzl
 2018-03-02 10:09:01 +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
347c253452 7127700: G1: Replace G1PLAB with PLAB 
Reviewed-by: sjohanss, kbarrett
 2018-02-13 16:13:20 +01:00
Stefan Karlsson
58dd5210ec 8192061: Clean up allocation.inline.hpp includes 
Reviewed-by: eosterlund, coleenp
 2017-11-28 21:43:45 +01:00
Erik Joelsson
3789983e89 8187443: Forest Consolidation: Move files to unified layout 
Reviewed-by: darcy, ihse
 2017-09-12 19:03:39 +02:00