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New posts in 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
Android application Wi-Fi device - AP connectivity
Oct 22, 2022
java
android
network-programming
wifi
jvm-hotspot
Oracle's Server JRE Contains JDK?
Nov 12, 2022
java
jvm-hotspot
Why I can't create an array with large size?
Feb 14, 2022
java
jvm
jvm-hotspot
Strange behaviour of the Hotspot loop condition optimizer
Sep 06, 2013
java
jvm-hotspot
optimization
Jvm native code compilation crazyness - I seem to suffer odd performance penalties for some time even after the code is compiled. Why?
Jan 07, 2022
java
jvm
benchmarking
jvm-hotspot
How do I disable Java stack frame optimizations, or profile stacks using system profilers?
Nov 29, 2017
java
linux
jvm
jvm-hotspot
dtrace
What's the purpose of including java.lang.Object in an interface's Constant Pool?
Sep 30, 2022
java
interface
jvm
bytecode
jvm-hotspot
IntelliJ Idea tomcat Hot swap failed: schema change not implemented Operation not supported by VM
Nov 01, 2022
tomcat
intellij-idea
jvm
jvm-hotspot
hotswap
Where are the native methods of sun.misc.Unsafe implemented?
Oct 28, 2022
java
jvm
openjdk
jvm-hotspot
weakCompareAndSwap vs compareAndSwap
Apr 02, 2022
java
jvm
jvm-hotspot
compare-and-swap
java-9
HotSpot JIT inlining strategy: top-down or down-top
Nov 09, 2022
java
inline
jit
jvm-hotspot
Exact state of committed memory in java
Oct 15, 2017
java
memory
jvm-hotspot
How to get jmap histogram programmatically?
Mar 06, 2018
java
memory
heap-memory
jvm-hotspot
heap-dump
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