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Q&A with Aleksey Shipilev on Compact Strings Optimization in OpenJDK 9

by Monica Beckwith on  Feb 04, 2016

OpenJDK 9 introduces the compact strings optimization. InfoQ interviews Oracle Java performance engineer Aleksey Shipilev to understand more about this optimization and its performance impact.

How Facebook Improved their iOS App Start Time

by Sergio De Simone on  Dec 06, 2015

Facebook engineer Natansh Verma explained how they managed to reduce the launch time of the Facebook app for iOS and shave a few seconds off by streamlining their dependencies and using UDP priming.

Debugging iOS File Corruption at Facebook

by Sergio De Simone on  Aug 27, 2014

Facebook engineers Slobodan Predolac and Nicolas Spielberg have recently described how they "solved a long-term mobile debugging problem and reduced the crash rate ... by more than 50 percent." In the process, they show general useful techniques and a few Facebook tools that can help with large, rapidly evolving codebases.

Android to Include Ahead-Of-Time Compiler

by Seth Cousins on  Jul 12, 2014 4

Google announced the next version of the Android operating system at Google I/O 2014. Code named “L release,” in the most significant change to the system architecture a new runtime simply called the Android RunTime (ART) with an AOT compiler replaces the Dalvik virtual machine and its JIT compiler.

Microsoft Speeds Up Windows Store Apps with .NET Native

by Abel Avram on  Apr 03, 2014 1

.NET Native is an attempt from Microsoft to reduce the start up times and memory footprint of Windows Store applications.

Azul ReadyNow! Seeks to Eliminate JVM Warm-up

by Victor Grazi on  Mar 18, 2014

Azul Systems announces the release of ReadyNow! in the latest version of Azul's Zing runtime for Java. Includes a series of algorithms designed to obviate the need for "warming-up" the Java Virtual Machine.

Oracle Tunes Java's Internal String Representation

by Kaushik Pal on  Dec 23, 2013 4

In an ongoing effort to improve Java performance, Oracle has announced a change in the internal representation of Strings as of Java 1.7.0_06.

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