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OpenJDK Hotspot

The HotSpot code base has been worked on by dozens of people, over the course of 10 years, so far. (That's good and bad.) It's big. There are nearly 1500 C/C++ header and source files, comprising almost 250,000 lines of code. In addition to the expected class loader, bytecode interpreter, and supporting runtime routines, you get two runtime compilers from bytecode to native instructions, 3 (or so) garbage collectors, and a set of high-performance runtime libraries for synchronization, etc.
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Topics (22415)
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Request for clarification about changes in Hotspot across 8, 9, and 10 by Gustavo Romero
2
by Seán Coffey
OpenJDK Hotspot Virtual Machine
RFR(10)(XS) 8177015: STACK_SIZE_MINIMUM of 32k is not always enough for Mac OS X by Chris Plummer
2
by Chris Plummer
OpenJDK Hotspot Runtime System
(jdk10) RFR(xxs): 8176872: [s390] wrong pc shown in error logs by Thomas Stüfe-2
4
by David Holmes
OpenJDK Hotspot Runtime System
[XXS] RFR : 8177531 libGetNamedModuleTest.c crash when printing NULL-pointer by Baesken, Matthias
3
by serguei.spitsyn@orac...
OpenJDK Hotspot Virtual Machine
RFR(M) : 8177507 : line number sensitive tests for jdi should be unified by Igor Ignatyev
0
by Igor Ignatyev
OpenJDK Hotspot Virtual Machine
RFR: 8177069: File separator mismatch on Win-64 by Rickard Bäckman
3
by dean.long
OpenJDK Hotspot Compiler Development List
PRE-RFR: 8177154: Default configuration should disallow loading agents by serguei.spitsyn@orac...
9
by serguei.spitsyn@orac...
OpenJDK Hotspot Runtime System
RFR(10)(S) 8177055: [TESTBUG] test/runtime/ReservedStack/ReservedStackTest.java sometimes fails on Oracle arm64 port after being enabled for open aarch64 port by Chris Plummer
13
by Chris Plummer
OpenJDK Hotspot Runtime System
Reminder and status update by Jesper Wilhelmsson
0
by Jesper Wilhelmsson
OpenJDK Hotspot Virtual Machine
[8u, 9] RFR(S): 8177095: Range check dependent CastII/ConvI2L is prematurely eliminated by Tobias Hartmann-2
7
by Vladimir Kozlov
OpenJDK Hotspot Compiler Development List
RFR (S) 8176580: [ppc, s390] CRC32C: wrong checksum result in some cases by Schmidt, Lutz
16
by Schmidt, Lutz
OpenJDK Hotspot Compiler Development List
Request for review JDK-8065402, , G1 does not expand marking stack when mark stack overflow happens during concurrent marking by Alexander Harlap
1
by Alexander Harlap
OpenJDK Hotspot Garbage Collection
RFR (S): 8176885: Clear Claimed Marks log message at wrong location in the log by Thomas Schatzl
1
by Thomas Schatzl
OpenJDK Hotspot Garbage Collection
Adding native method in custom jdk package by Christian Hagedorn
4
by Christian Hagedorn
OpenJDK Hotspot Virtual Machine
C/C++ IDE support for HotSpot by Mikael Gerdin
13
by Mikael Gerdin
OpenJDK Hotspot Virtual Machine
RFR: 8168503 JEP 297: Unified arm32/arm64 Port by Bob Vandette
24
by Andrew Haley
OpenJDK Hotspot Virtual Machine
RFR(xxxs): 8177458: [s390] (jdk10) build broken after 8155672 by Thomas Stüfe-2
6
by Thomas Stüfe-2
OpenJDK Hotspot Runtime System
RFR(S) : 8177374 : fix module dependency declaration in jdk_svc tests by Igor Ignatyev
8
by Mandy Chung
OpenJDK Hotspot Virtual Machine
RFR(M): 8165896: Use "open" flag from JVM_DefineModule to export all module packages by Rachel Protacio
4
by Rachel Protacio
OpenJDK Hotspot Runtime System
[9] RFR(L) 8158168: SIGSEGV: CollectedHeap::fill_with_objects(HeapWord*, unsigned long, bool)+0xa8 by dean.long
23
by dean.long
OpenJDK Hotspot Compiler Development List
[9] RFR(L) 8158168: SIGSEGV: CollectedHeap::fill_with_objects(HeapWord*, unsigned long, bool)+0xa8 by dean.long
23
by dean.long
OpenJDK Hotspot Virtual Machine
JDK10/RFR(XXS): 8011352: C1: TraceCodeBlobStacks crashes fastdebug solaris sparc by Patric Hedlin
1
by Rickard Bäckman
OpenJDK Hotspot Virtual Machine
RFR (XXS): 8177453: Start_new_collection_set() timing done during wrong type of GC by Thomas Schatzl
4
by Thomas Schatzl
OpenJDK Hotspot Garbage Collection
@HotSpotIntrinsicCandidate and native prefixes by Michael Rasmussen
9
by Zoltán Majó
OpenJDK Hotspot Virtual Machine
RFR: 8171238: Unify cleanup code used in G1 Remark and Full GC marking by Stefan Johansson
5
by Per Liden
OpenJDK Hotspot Garbage Collection
(RFR)(S)(10): 8176768: hotspot ignores PTHREAD_STACK_MIN when creating new threads by Chris Plummer
46
by Thomas Stüfe-2
OpenJDK Hotspot Virtual Machine
RFR(XXXL): 8177046 Update Graal by Igor Veresov
2
by Igor Veresov
OpenJDK Hotspot Compiler Development List
Merging jdk9/hs and jdk9/dev by Mikael Vidstedt-3
4
by Jesper Wilhelmsson
OpenJDK Hotspot Virtual Machine
8174823: Module system implementation refresh (3/2017) by Alan Bateman
11
by Alan Bateman
OpenJDK Hotspot Runtime System
10 RFR: 8169039: Add unit tests for BitMap search operations by Kim Barrett
4
by Stefan Karlsson
OpenJDK Hotspot Runtime System
Re: RFR: 8177346: hotspot change for 8176513 breaks jdk9 build on Ubuntu 16.04 by Vladimir Ivanov
1
by Vladimir Kozlov
OpenJDK Hotspot Compiler Development List
RFR: 8177346: hotspot change for 8176513 breaks jdk9 build on Ubuntu 16.04 by Philip Race
5
by Vladimir Kozlov
OpenJDK Hotspot Runtime System
Request for review JDK-8145911 - Create an AbstractGangTask that parallelizes work on region basis by Alexander Harlap
0
by Alexander Harlap
OpenJDK Hotspot Garbage Collection
RFR(XXXL): 8177046 Update Graal by Igor Veresov
0
by Igor Veresov
OpenJDK Hotspot Virtual Machine
RFR(XXXL): 8177046 Update Graal by Igor Veresov
0
by Igor Veresov
OpenJDK Hotspot Compiler Development List
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