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Getting to Know Graal, the New Java JIT Compiler

Oracle have released Graal, a new JIT compiler for Java. For Java developers, Graal can be thought of as several separate but connected projects - it is a new JIT compiler for HotSpot, and also a new polyglot virtual machine, GraalVM. The initial release includes support for JVM bytecode and JavaScript with LLVM, Ruby and R in beta.

Ben Evans
on Jul 16, 2018
Development

InfoQ Call for Articles

InfoQ provides software engineers with the opportunity to share experiences gained using innovator and early adopter stage techniques and technologies with the wider industry. We are always on the lookout for quality articles and we encourage practitioners and domain experts to submit feature-length (2,000 to 3,000 word) papers that are timely, educational and practical.

InfoQ.com
on Dec 01, 2017
Java

Under The Hood with the JVM's Automatic Resource Management

The deprecation of Object::finalize is an unusual step for the Java ecosystem. We dive deep into the Hotspot JVM to see how it works. We also compare it to RAII and the Java 7, try-with-resources syntax. The article contrasts these very different approaches to automatic resource management, and explains why TWR should be used in place of finalization by application programmers.

Ben Evans
on May 20, 2017
Java

What the JIT!? Anatomy of the OpenJDK HotSpot VM

If you've ever wondered what happens when your bytecode executes, join former Oracle G1GC performance-lead Monica Beckwith in her guided tour of just-in-time (JIT) compilation and runtime optimizations in OpenJDK HotSpot VM.

Monica Beckwith
on Jun 28, 2016
Development

Top 10 Performance Mistakes

Martin Thompson, co-founder of LMAX, keynoted at QCon São Paulo 2016, outlining the top 10 performance related mistakes that he has encountered in production.

Abel Avram
on Apr 24, 2016
Java

Easily Create Java Agents with Byte Buddy

In this article Rafael Winterhalter, creator of the bytecode manipulation tool Byte Buddy, provides detailed guidance on how to easily create Java agents using Byte Buddy.

Rafael Winterhalter
on Dec 08, 2015
.NET

Fighting Developer Fatigue with JNBridge

Developer fatigue is the overwhelming frustration felt by developers who are under pressure to keep current with a flood of new languages, libraries, frameworks, platforms and programming models. JNBridge offers a way to help alleviate developer fatigue by allowing you to mix the libraries you know with code written in the language you are learning.

Wayne Citrin
on Oct 01, 2015
Java

A Post-Apocalyptic sun.misc.Unsafe World

The removal of sun.misc.Unsafe and other private APIs in Java 9 has in recent weeks divided the Java community perhaps as never before in its 20 year history. Even though a resolution has now been proposed and a migration path presented, the big question remains: What will a post sun.misc.Unsafe world look like?

Christoph Engelbert
on Aug 30, 2015
Java

Java Bytecode: Bending the Rules

Throwing checked exceptions without declaration, changing final fields; these kinds of antics would never be tolerated by the Java language. But using Java bytecode these can be done readily. Few developers ever work with Java bytecode directly, but bytecode format is not difficult to understand. In this article Rafael Winterhalter takes us on a tour of Java bytecode & some of its capabilities

Rafael Winterhalter
on Jun 10, 2015
Java

Secrets of the Bytecode Ninjas

The Java language is defined by the Java Language Specification. But the executable bytecode of the Java Virtual Machine is defined by a completely separate standard, the Java Virtual Specification, and the two are often at odds. In this article we take a look at the structure of a class file and how to create class files directly without starting from Java source, using the ASM library.

Ben Evans
on Mar 24, 2015
InfoQ Talks to Azul Systems Gil Tene Part 2

In this part 2 of InfoQ's conversation with Gil Tene of Azul Systems, Gil discusses their latest engineering project aimed at bring better low-level memory layout control to Java, and the requirement modern high-performance Java applications have for this solution.

Ben Evans
on Jan 17, 2015
InfoQ Talks to Azul Systems Gil Tene about Zing, Zulu, and New Releases

Gil Tene of Azul Systems talks about shipping their Java 8 compatible release, the need for certified builds and the problem with the current approach to Java taken by Docker.

Ben Evans
on Jan 06, 2015

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