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Can Data Flow Help Us Escape the von Neumann Machine?

By Simon St. Laurent
December 4, 2013

About a year ago I was struck by George Dyson‘s plea in his Strata London keynote That’s why we live in this world where we follow this one particular [von Neumann] architecture and all the alternatives were squashed… Turing gave …

The Joys of Static Memory JavaScript

By Colt McAnlis
October 1, 2013

You wake up one morning to discover your team has gotten a dreaded alert: your web application is performing badly. You dig through your code, but don’t see anything that stands out, until you open up Chrome’s memory performance tools, …

Surfacing anomalies and patterns in Machine Data

By Ben Lorica
August 11, 2013

I’ve been noticing that many interesting big data systems are coming out of IT operations. These are systems that go beyond the standard “capture/measure, display charts, and send alerts”. IT operations has long been a source of many interesting big …

Hot swap devices and increase Arduino interface options with I2C

By John Boxall
August 9, 2013

After a short period of time, beginners working with the Arduino development boards often find themselves wanting to work with a greater range of input or sensor devices—such as real-time clocks, temperature sensors, or digital potentiometers. However each of these …

Memory Deallocation Issues in C

By Richard Reese
June 25, 2013

It may seem that when dynamic memory has been deallocated, we are done with it. We have avoided a memory leak and can confidently move on to other issues. In some cases this may be the case. However, we may …

Tracking the progress of large-scale Query Engines

By Ben Lorica
June 4, 2013

As organizations continue to accumulate data, there has been renewed interest in interactive query engines that scale to terabytes (even petabytes) of data. Traditional MPP databases remain in the mix, but other options are attracting interest. For example, companies willing …

In-Memory Databases, Burning Silos, Reintroducing Dart, and Google Glass Gatherings

By Adam Flaherty
May 24, 2013

In-memory Databases: A discussion of near real-time manipulation of massive datasets Burning the Silos: Minimize boundaries to reduce product cycle times. Dart Is Not the Language You Think It Is: Seth Ladd’s enthusiastic reintroduction of Dart prompts a voluminous discussion …

Tachyon: An open source, distributed, fault-tolerant, in-memory file system

By Ben Lorica
April 28, 2013

In earlier posts I’ve written about how Spark and Shark run much faster than Hadoop and Hive by1 caching data sets in-memory. But suppose one wants to share datasets across jobs/frameworks, while retaining speed gains garnered by being in-memory? An …

Single server systems can tackle big data

By Ben Lorica
April 13, 2013

About a year ago a blog post from SAP posited1 that when it comes to analytics, most companies are in the multi-terabyte range: data sizes that are well-within the scope of distributed in-memory solutions like Spark, SAP HANA, ScaleOut Software, …

An update on in-memory data management

By Ben Lorica
February 21, 2013

By Ben Lorica and Roger Magoulas We wanted to give you a brief update on what we’ve learned so far from our series of interviews with players and practitioners in the in-memory data management space. A few preliminary themes have …

Memory Management with the Dictionary Object

By Tom Barker
August 31, 2009

In my previous article I detailed the architecture for a video player that would switch between multiple players, using composition to support the same interface across each layer of the architecture. The architecture worked out really well, but when I...

Production Topics: Flex Profiling - Lost ActionScript 3.0 Weekend

By Colin Moock
August 6, 2009

This video excerpt is from Colin Moock's Lost ActionScript 3.0 Weekend Course 2. In Course 2 of this unique DVD training series, you'll learn intermediate to advanced ActionScript 3.0 programming concepts. World-renowned ActionScript guru and educator Colin Moock presents...

Object References and Garbage Collection - Lost ActionScript 3.0 Weekend

By Colin Moock
August 6, 2009

In this video excerpt from Lost ActionScript 3.0 Weekend, learn to refer to a single object from multiple parts of a program, then study the principles of memory management in ActionScript. Remember, values are not socks!

Flash Performance Monitoring

By Jesse Freeman
May 25, 2009

Using Flex Builder 3's built in profiler is great but sometimes you need to do your profiling on a live site. What if you are still developing and need to debug at the same time as you profile? For a long time having a FPS counter (something not available in the Flex Builder's profiler) has always been part of my personal Flash development toolkit. Recently I was looking for something that would display FPS and Memory to help me closely monitor the performance of my application as I developed. That is when I came across Hi-ReS! Stats by Mr Doob.

Managing Memory Consumption During Hard Times

By Damon Edwards
February 12, 2009

When building applications, in most situations you'll be dealing with all sorts of dynamic content. Meaning, requesting data from a server, then displaying results on the screen by attaching objects to the display list. Usually, this means dealing with some...

Social Translation : Using the WWL API To Build Multilingual Sites and Web Apps

By Brian McConnell
February 11, 2009

Language is one of the few remaining barriers on the Internet. The web has rendered time and distance largely irrelevant, but much of it remains fragmented by language. The Worldwide Lexicon, an open source project I have worked on for...

Ask... no, wait... TELL Tim

By Brett McLaughlin
February 10, 2009

A few weeks ago, I was chatting with Tim. He mentioned that he'd recently taken his first ride on a Jet Ski. Several torturous minutes later, he got off, still alive and capable of detecting faint signals. But his back was suffering... badly.

Flex Performance, Memory Management, & Object Caching

By Andrew Trice
March 5, 2008

The responsiveness and performance of a Flex application directly relates to what is being displayed onscreen. The more that is happening, the slower the application will respond. In most cases, you won't run into this scenario. If you are dynamically adding LOTS of UIComponents, then this tip will help you create applications that perform very well under heavy load.

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