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Java

JIT vs. AOT: How to Pick the Right Approach

The panelists discuss the trade-offs between the two approaches and cover scenarios where either approach is best.

Monica Beckwith Gil Tene Todd Montgomery
on Oct 13, 2022

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41:49
Java

Understanding JIT Optimizations by Decompilation

Chris Seaton shows how they have developed a pseudo-code decompiler for optimized Java code, and how it helps them understand how the Java JIT compiler is working in order to improve their code.

Chris Seaton
on Sep 04, 2022

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38:30
Java

Graal: Not Just a New JIT for the JVM

Duncan MacGregor takes a look at the differences between C2 and Graal, what this can mean for the performance of a code, and what else is possible with this new JIT.

Duncan MacGregor
on May 06, 2019

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37:55
Java

The Engineer's Guide to HotSpot JIT Compilation

Monica Beckwith discusses the performance introduced by adaptive compilation in the OpenJDK Hotspot VM, focusing on the internals of OpenJDK 8, the reference implementation for Java SE8.

Monica Beckwith
on Oct 07, 2016

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49:05
Java

Faster Ruby, JS and Other Languages Using Graal and Truffle

Chris Seaton introduces Graal, Oracle Labs' new JIT compiler written in Java, enabling new research into optimizations, and Truffle, a framework for implementing languages that uses Graal.

Chris Seaton
on Aug 19, 2016

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42:13
Java

Understanding HotSpot JVM Performance with JITWatch

Chris Newland discusses performance-boosting techniques used by the JVM’s JIT and introduces JITWatch, a tool helping to get the best JVM performance for a code.

Chris Newland
on Apr 15, 2016

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48:42
Java

What It Means to be Just In Time

Ashley Puls explains what happens to bytecode inside the JVM. It begins with an overview of the Just In Time (JIT) compiler and discusses JIT optimizations such as method inlining and loop unrolling.

Ashley Puls
on Mar 03, 2016

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01:08:26
Priming Java for Speed at Market Open

Gil Tene provides an overview of JIT compiler optimization techniques and their impact on common market-open slowdown scenarios.

Gil Tene
on Jul 22, 2015

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52:57
JIT Compilation Techniques

Maxime Chevalier-Boisvert introduces adaptive compilation strategies aiming to fulfill the seemingly conflicting goals of producing more optimal machine code while reducing compilation time.

Maxime Chevalier-Boisvert
on Jun 15, 2014

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27:59
How JavaScript Objects are Implemented

Eddy Bruel details how objects are implemented internally in SpiderMonkey as shape trees and slot vectors to minimize the memory footprint and obtain better JIT optimization with inline caching.

Eddy Bruel
on Jun 07, 2014

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35:32
Dao Programming Language for Scripting and Computing

Limin Fu introduces Dao, a lightweight and optionally typed programming language having a LLVM-based JIT compiler optimized for numeric computation, and a Clang-based tool generating C/C++ bindings.

Limin Fu
on Feb 27, 2014

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32:28
Building an Optimising Compiler for Dart

Vyacheslav Egorov details how some of Dart's language features affected the design of a new JIT Dart compiler and how the V8 JavaScript engine influenced the overall design.

Vyacheslav Egorov
on Jan 02, 2014

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31:10