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New posts in jvm-hotspot
Value integrity guarantee for concurrent long writes in 64-bit OpenJDK 7/8
Sep 05, 2022
java
concurrency
jvm
jvm-hotspot
java-memory-model
Are objects prefetched from an array of references in Java?
Feb 05, 2020
java
jvm
jvm-hotspot
prefetch
java-memory-model
Is memory allocation on the JVM lockless
Oct 29, 2022
java
jvm
bytecode
jvm-hotspot
Unexpected VarHandle performance (4X slower than alternatives)
Mar 30, 2022
java
multithreading
concurrency
jvm
jvm-hotspot
bootstrap class path not set in conjunction with -source 1.6
May 15, 2021
classpath
maven-3
jvm-hotspot
-XX:+StressLCM, -XX:+StressGCM Options for JVM
Jan 23, 2022
java
jvm
jvm-hotspot
java-12
Do most JVMs allocate memory for unused methods?
Mar 11, 2022
java
jvm
jvm-hotspot
Why java.lang.Object.getClass() (and reflection) is slower than usual?
Sep 27, 2020
java
reflection
jvm
jvm-hotspot
How to debug the openjdk9 by netbeans8.2 in win10?
Oct 05, 2021
jvm
gdb
jvm-hotspot
Bounds Checking in Java
Oct 16, 2022
java
runtime
jvm-hotspot
bounds-check-elimination
How can I know whether a Java object is in tenure or eden space from heap dump
Mar 15, 2017
java
garbage-collection
jvm-hotspot
heap-dump
Which Java HotSpot JIT compiler is running?
Sep 24, 2022
java
jit
jvm-hotspot
What is a de-reflection optimization in HotSpot JIT and how does it implemented?
Nov 06, 2022
java
optimization
jvm
jit
jvm-hotspot
VarHandle get/setOpaque
Aug 11, 2022
java
jvm-hotspot
memory-barriers
java-12
Why is Java faster if it repeats the same code?
Nov 18, 2022
java
optimization
jvm
jit
jvm-hotspot
Determining whether a particular JDK Method typically has an intrinsic implementation
Feb 25, 2019
java
jvm-hotspot
First time a Java loop is run SLOW, why? [Sun HotSpot 1.5, sparc]
Feb 22, 2022
java
performance
jvm-hotspot
microbenchmark
What is current status of Oracle Java HotSpot VM performance options (+UseStringCache, +UseCompressedStrings, +OptimizeStringConcat)
Apr 01, 2022
java
performance
jvm
jvm-hotspot
Java vs C# Multithreading performance, why is Java getting slower? (graphs and full code included)
Jul 08, 2020
java
c#
.net
file-io
jvm-hotspot
Do objects with a lot of reference fields (except arrays) devastate Hotspot JVM's GC(s) heap traversal performance?
Oct 26, 2022
java
performance
garbage-collection
jvm
jvm-hotspot
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