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Programming

Memory Management Technique Speeds Apps By 20% 252

Posted by kdawson
from the rememberance-of-data-past dept.
Dotnaught writes "A paper (PDF) to be presented later this month at the IEEE International Parallel and Distributed Processing Symposium in Atlanta describes a new approach to memory management that allows software applications to run up to 20% faster on multicore processors. Yan Solihin, associate professor of electrical and computer engineering at NCSU and co-author of the paper, says that using the technique is just a matter of linking to a library in a program that makes heavy use of memory allocation. The technique could be especially valuable for programs that are difficult to parallelize, such as word processors and Web browsers." Informationweek has a few more details from an interview with Solihin.
Security

Doom-Like Video Surveillance For Ports In Development 56

Posted by Soulskill
from the hurt-me-plenty dept.
oranghutan writes "A research and development group down under is working to develop an advanced video surveillance system for ports around the world that uses video superimposed onto a 3D map. With 16-megapixel high-definition cameras on a distributed (cabled) network and a proprietary system written in a variety of languages (C++, Python, SQL, etc.), the group from NICTA is aiming to allow security teams at the Port of Brisbane — which is 110km long — to monitor shipping movements, cargo and people. By scrolling along a 3D map, the security teams can click on a location and then get a real-time video feed superimposed onto the map. Authorities from around the world with the right permissions can then access the same system. The main difference from regular surveillance systems is the ability to switch views without having to know camera numbers/locations and the one screen view."

Comment: Re:charging (Score 1) 348

by EotB (#27171501) Attached to: New Electrode Lets Batteries Charge In 10 Seconds
The reason it is ignored is that it is a relatively easy engineering problem. Either use more copper or higher voltages (which with correct latching/shuttered connectors are completely safe). 25kW = 500VDC at 50A which is a similar cable size to 3 phase cables here, which we have a 30m extension cord of out the back that is easy enough to throw over your shoulder and carry around. There are also other approaches such as IPT (inductive power transfer).

Comment: Re:charging (Score 1) 348

by EotB (#27162813) Attached to: New Electrode Lets Batteries Charge In 10 Seconds
The assumption from when I was working on EVs at university was that you can use another bank of these batteries to charge the bank in the car however. Use solar/cheap off-peak power/wind/whatever to charge the home/office storage battery bank over the day then dump the charge from one to the other in a short space of time. Same could apply for the electrical gas station equivalents.

Top Ten Open Source Innovators 152

Posted by CowboyNeal
from the leading-the-pack dept.
42istheanswer writes "Open source is so much more than Linux these days. A lot is happening beyond the popular operating system. Open source models are thriving in CRM (SugarCRM), messaging (Scalix), and systems management (Zenoss). Datamation has identified ten leading commercial open-source innovators and the projects they are working on in their article, Ten Leading Open Source Innovators."

The world is not octal despite DEC.

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