My opinion has always been that the Linux-RT project was based on an unfixable engineering error. A few words on the status and the future of RT: ———————————————– The situation since last years RTLWS (https://lwn.net/Articles/572740/) has not improved at
A basic design error in software
Suppose we didn’t know too much about bridge design, but were convinced that (a) the current design methods were too slow and unmodular to be useful, and (b) not knowing anything about structure other than what we could observe of
Obama’s big data team
Those applications used a huge chunk of Amazon’s Eastern data center. “We had thousands of nodes,” said VanDenPlas. “We pushed 180TB of traffic with billions and billions of requests. We had 60% of all of Amazon’s medium [instances] in US
Big Data and politics
For the general public, there was no way to know that the idea for the Parker contest had come from a data-mining discovery about some supporters: affection for contests, small dinners and celebrity. But from the beginning, campaign manager Jim
Free Software Patents: Alan Cox
1. A method, comprising: storing, by one or more processors, confidential data in a confidential section of virtual memory, wherein storing the confidential data in the confidential section of virtual memory comprises: mapping the confidential section of virtual memory to
Julia programming language and hadoop
While we’re being demanding, we want something that provides the distributed power of Hadoop — without the kilobytes of boilerplate Java and XML; without being forced to sift through gigabytes of log files on hundreds of machines to find our
Apple’s A5 chip made in Austin
Although I think it might have been designed here too. The A5 processor – the brain in the iPhone 4S and iPad 2 – is now made in a sprawling 1.6 million square feet factory in Austin owned by Korean
Droning on about computer security
Good grief. The US military’s unmanned Predator and Reaper drones are continuing to fly remote missions overseas despite a computer virus that has infected their US-based cockpits. Government officials are still investigating whether the virus is benign, and how it
The multics file system
The design proposed in this paper is ubiquitous. A file is simply an ordered sequence of elements, where an element could be a machine word, a character, or a bit, depending upon the implementation. A user may create, modify or
Fukushima Robot Blog
This from the IEEE is really fascinating. It is the blog of a robot operator in the Fukushima nuclear plants. Some interesting things about controls, robot handling, and durability are discussed. And, big surprise, the competence of the organization that