Efficient Memory Mapping for Terabyte Sparse Files in Java
Mapping large areas of memory avoids having to know in advance how much memory we need or having to resize the memory mappings while in use.
Performance
Java Performance: Ahead-Of-Time versus Just-In-Time
The impact of the Just-In-Time (JIT) compiler should not be underestimated to achieve the best performing code during runtime.
Migrating Applications to TornadoVM v0.15 (Part 2)
In this article, we will spotlight all the TornadoVM configurations/operations that regard the execution on the hardware device.
Do you trust profilers? I once did too!
Do you trust profilers? I once did too. Here I describe why you should take the results of profilers with a grain of salt.
Web App Startup in 3ms with RIFE2 and GraalVM
RIFE2 v1.3.0 has experimental support for GraalVM Ahead-Of-Time compilation with native-image, reducing startup time to an incredible 3ms!
JFR Timestamps and System.nanoTime Foojay.io
Did you ever wonder whether JFR timestamps use the same time source as System.nanoTime? Come down the rabbit hole with me!
Which is the Fastest JVM: OpenJDK or GraalVM?
How is a high-performance, low-latency Java application affected by the JVM version used? Find out more on Foojay!
Using Firefox Profiler beyond the web
Ever wondered how to use Firefox Profiler to view your own profiling data? This article gives you the foundations!
Memory Allocation Pacing in Azul Zulu Prime builds of OpenJDK
Allocation Pacing (AP) is a technique within the JVM of Azul Zulu Prime builds of OpenJDK to prevent long memory allocation delays.
What to Know About Garbage Collection as a Java Developer!
Check out this overview of the functionality of the Garbage Collector and the things a developer should know.