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 (23001)
Replies Last Post Views Sub Forum
RFR(S): 8186286: [BSD] Primary thread's stack size is reported incorrectly by Haug, Gunter
7
by David Holmes
OpenJDK Hotspot Virtual Machine
RFR (L, tedious) 8160399: is_oop_or_null involves undefined behavior by coleen.phillimore
12
by David Holmes
OpenJDK Hotspot Virtual Machine
TLAB pointer movement in Hotspot implementation by Chandra Shekahr Jamm...
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by Chandra Shekahr Jamm...
OpenJDK Hotspot Virtual Machine
RFR: 8186166: Generalize Atomic::cmpxchg with templates by Kim Barrett
33
by John Paul Adrian Gla...
OpenJDK Hotspot Virtual Machine
RFR (XL) 8173715: Remove FlatProfiler by Gerard Ziemski
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by David Holmes
OpenJDK Hotspot Virtual Machine
RFR(XXS): 8186308: [TESTBUG] quarantine jvmti/LoadAgentDcmdTest.java test until underlying issue is fixed by Mikhailo Seledtsov
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by George Triantafillou
OpenJDK Hotspot Runtime System
RFR: 8186248 - Allow more flexibility in selecting Heap % of available RAM by Bob Vandette
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by Bob Vandette
OpenJDK Hotspot Runtime System
[10] RFR(L): 8185979: PPC64: Implement SHA2 intrinsic by Gustavo Serra Scalet
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by Gustavo Serra Scalet
OpenJDK Hotspot Compiler Development List
[10] RFR(M) 8182701: Modify JVMCI to allow Graal Compiler to expose platform MBean by Vladimir Kozlov
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by Vladimir Kozlov
OpenJDK Hotspot Compiler Development List
RFR(S) : 8183337 : hotspot/compiler/aot tests fail due to missed tools by Igor Ignatyev
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by Vladimir Kozlov
OpenJDK Hotspot Compiler Development List
RFR(M): 8186072: dll_build_name returns true even if file is missing. by Lindenmaier, Goetz
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by Thomas Stüfe-2
OpenJDK Hotspot Runtime System
RFR(xxs): 8186199: [windows] JNI_DestroyJavaVM not covered by SEH by Thomas Stüfe-2
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by Thomas Stüfe-2
OpenJDK Hotspot Runtime System
RFR(S): 8186293: [aix] Fix thread creation with huge stack sizes by Lindenmaier, Goetz
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by Thomas Stüfe-2
OpenJDK Hotspot Runtime System
FW: [10] RFR(M): 8185976: PPC64: Implement MulAdd and SquareToLen intrinsics by Gustavo Serra Scalet
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by Doerr, Martin
OpenJDK Hotspot Compiler Development List
[10] RFR(S): 8186297: AARCH64: Intrinsify Unsafe.compareAndSetByte and compareAndSetShort by dmitrij.pochepko
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by dmitrij.pochepko
OpenJDK Hotspot Compiler Development List
RFR: JDK-8186115 - libelf still referenced after 8172670 by Bob Vandette
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by David Holmes
OpenJDK Hotspot Compiler Development List
Hotspot repo jdk10/hs is closed for all pushes by jesper.wilhelmsson
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by jesper.wilhelmsson
OpenJDK Hotspot Virtual Machine
RFR(m): 8185712: [windows] Multiple issues with the native symbol decoder by Thomas Stüfe-2
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by Thomas Stüfe-2
OpenJDK Hotspot Runtime System
[10] RFR (XS): 8180366: [TESTBUG] gc/g1/humongousObjects/TestHumongousClassLoader should not be run with class unloading disabled by Muthusamy Chinnatham...
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by KEVIN WALLS
OpenJDK Hotspot Garbage Collection
RFR (S): 8186238: The constant pool entry to empty string ("") should not be pre-resolved during CDS dump time by Jiangli Zhou
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by Jiangli Zhou
OpenJDK Hotspot Runtime System
generated-configure.sh vs. platform.m4 by John Paul Adrian Gla...
3
by John Paul Adrian Gla...
OpenJDK Hotspot Virtual Machine
RFR 8186089: Move Arena to its own header file by harold seigel
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by harold seigel
OpenJDK Hotspot Runtime System
RFR 8149790: NegativeArraySizeException with hprof by George Triantafillou
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by George Triantafillou
OpenJDK Hotspot Runtime System
Re: RFR(XS): 8184772 - Make it possible to pass arguments only to the Java running the tests when running jtreg through make by George Triantafillou
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by George Triantafillou
OpenJDK Hotspot Virtual Machine
RFR (M) 8186042: Optimize OopMapCache lookup by coleen.phillimore
6
by coleen.phillimore
OpenJDK Hotspot Runtime System
RFR: 8177544: Restructure G1 Full GC code by Stefan Johansson
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by Stefan Johansson
OpenJDK Hotspot Garbage Collection
[10] RFR(XS): 8169766: c1 + Xcomp reresolving call target every invocation by Nils Eliasson
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by Nils Eliasson
OpenJDK Hotspot Compiler Development List
RFR (M) 8186088: ConstantPoolCache::_resolved_references is not a JNIHandle by coleen.phillimore
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by coleen.phillimore
OpenJDK Hotspot Virtual Machine
[PATCH]: Zero: Define search_string for M68K by John Paul Adrian Gla...
4
by David Holmes
OpenJDK Hotspot Virtual Machine
RFR: 8186163: bad signatures should be detected by MetaAccessProvider.parseMethodDescriptor by Doug Simon @ Oracle
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by Doug Simon @ Oracle
OpenJDK Hotspot Compiler Development List
RFR: 8180768: Deprecate -XX:+/-MonitorInUseLists option by Roman Kennke-6
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by coleen.phillimore
OpenJDK Hotspot Runtime System
RFR(XS): JDK-8186154 : Extra info with +LogTouchedMethods by Eric Caspole-2
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by Eric Caspole-2
OpenJDK Hotspot Runtime System
FW: [10] RFR(S): 8185969: PPC64: Improve VSR support to use up to 64 registers by Gustavo Serra Scalet
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by Doerr, Martin
OpenJDK Hotspot Compiler Development List
[10] RFR(S): JDK-8184943: AARCH64: Intrinsify hasNegatives by dmitrij.pochepko
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by Stuart Monteith
OpenJDK Hotspot Compiler Development List
Stabilising jdk10/hs - Please hold large changes for now by jesper.wilhelmsson
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by jesper.wilhelmsson
OpenJDK Hotspot Virtual Machine
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