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Interview: Improving the Performance of Android ICS

by Abel Avram on  Jun 13, 2012

In this interview, Bernhard Rosenkränzer, a Linaro engineer, explains how they improved the performance of Android 4.0.4 from 20% to 500%.

Google Announces PageSpeed Insights 2.0

by Abel Avram on  Jun 13, 2012

Google has released PageSpeed Insights 2.0 with an interface redesign, extensions for Chrome and Firefox, automatic page optimizations with an online service or via SDK, an API, support for mobile devices and more analysis rules.

Azul Releases Open Source jHiccup Tool to Provide Response Time Analysis of the Java Run

by Charles Humble on  Dec 13, 2011

Azul Systems have today announced the release of jHiccup, an open source tool designed to measure the pauses and stalls (or "hiccups") associated with an application's underlying Java runtime platform.

State of Performance and Stability in Java 7 Update 1

by Fabian Lange on  Nov 21, 2011 5

On October 18th, Oracle released Java 7 Update 1, bringing Java 7 much needed stability and fixing a critical issue. InfoQ takes a look at what new performance improvements are included.

AppDynamics Lite 2 Released - Adds Monitoring Support for Free

by Fabian Lange on  Oct 28, 2011 2

Application Performance Measurement (APM) vendor AppDynamics has released AppDynamics Lite version 2.0, bringing new features from their commercial product into the free version.

ORM Profiler Analyzes Data Access Performance

by Jenni Konrad on  Oct 14, 2011

Solutions Design has released ORM Profiler, a tool meant to help improve data access layer performance. It tracks and logs ADO.NET calls so that developers can analyze their data access and discover potential problems.

New Relic Offers Real-time Performance Monitoring for Heroku Java users

by Charles Humble on  Sep 13, 2011 2

New Relic is bringing its well-regarded web application performance service to Java applications running on Heroku's PaaS. The add-on is offered in two versions, a free standard version, and a professional subscription service currently costing $0.06 per dyno hour. New Relic have also announced Python support for their stand-alone product.

Dynamic Language Roundup: Python's GIL Gets Overhauled but not Removed, Squeak Comes to Android

by Werner Schuster on  Jan 24, 2010 1

The Unladen Swallow project that aims to speed up Python has proposed to be merged into mainstream Python. One of Unladen Swallow's goals was to remove the GIL; a new implementation of Python's GIL by Antoine Pitrou will be fairer and less intrusive on multicore CPUs. Also: Squeak Smalltalk has been ported to Android.

Clojure 1.1 Adds Transients, Chunked Sequences for Efficiency

by Werner Schuster on  Dec 17, 2009

Clojure 1.1 RC1 is out and cuts the overhead of functional programming with a few new constructs: transients bring controlled mutability for persistent data structures; chunked sequences make lazy sequences more efficient. InfoQ takes a look at what makes these improvements work.

NewRelic RPM 2 Adds Java Support for Performance Monitoring

by Werner Schuster on  Oct 19, 2009 1

NewRelic just released RPM 2, the latest version of their performance monitoring software. RPM, which is available as SaaS (Software as a Service) now supports monitoring Java web/JEE applications as well as Ruby on Rails applications. We talked to NewRelic's Lew Cirne about the new release.

New Ruby Enterprise Edition Release Switches to Ruby 1.8.7

by Mirko Stocker on  Oct 10, 2009

A new release of the Ruby Enterprise Edition switches from Ruby 1.8.6 to Ruby 1.8.7 and includes patches that significantly improve performance, as Evan Weaver from Twitter confirms.

JRuby Roundup: JRuby 1.3 Released, ruby2java, JSR 292 Progress

by Werner Schuster on  Jun 09, 2009

JRuby 1.3 is now available, bringing performance improvements and compatibility with Google AppEngine. Work on other improvements is continuing and a first version of the ruby2java compiler is now available. Also: InvokeDynamic support is making it's way into the builds for the next Java version.

Performance Monitoring Roundup: Rails Core and New Relic Cooperate, FiveRuns TuneUp Supports Merb

by Werner Schuster on  Oct 29, 2008 2

NewRelic announced a cooperation with the Rails Core team to improve Rails performance. An opt-in feature allows to make performance data available to the Rails Core team, which can use it to figure out Rails bottlenecks in real world Rails apps. Also: FiveRuns' TuneUp performance monitoring tools now supports Merb.

Article: A Formal Performance Tuning Methodology: Wait-Based Tuning

by Abel Avram on  Oct 06, 2008 4

In this article, Steven Haines talks about web application performance tuning which used to be more of an art than science. He proposes a method called wait-based tuning, making the entire process more measurable and, consequently, more scientific.

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