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Guru3D.com » News » Storage disk with phase-change memory

Storage disk with phase-change memory

by Hilbert Hagedoorn on: 06/17/2011 09:30 AM | source: | 0 comment(s)

Researchers at the University of California in San Diego have developed a prototype disk drive based on phase-change memory. Full details over here.

A new type of data storage technology, called phase-change memory, has proven capable of writing some types of data faster than conventional flash based storage. The tests used a hard drive based on prototype phase-change memory chips.

Disks based on solid-state, flash memory chips are increasingly used in computers and servers because they perform faster than conventional magnetic hard drives. The performance of the experimental phase-change disk drive, created by researchers at University of California San Diego, suggests that it won't be long before that technology is able to give computing devices another speed boost.

"Phase-change chips are not quite ready for prime time, but if the technology continues to develop, this is what [solid state drives] will look like in the next few years," says Steve Swanson, who built the prototype, known as Onyx, with colleagues. It had a data capacity of eight gigabytes and went head-to-head with what Swanson calls a "high-end" 80 GB flash drive made for use in servers.


When it came to writing small chunks of data on the order of kilobytes in size, Onyx was between 70 percent and 120 percent faster than the commercial drive. At the same time, the prototype placed significantly less computational load on the processor of the computer using it. It was also much faster at reading data than the flash drive when accessing blocks of data of any size. The kind of large volume, small read and write patterns that Onyx excelled at are a hallmark of the type of calculations involved in analyzing social networks like those of Twitter, says Swanson. However, Onyx was much slower at writing larger chunks of data than its commercially established competitor.







« AMD 2012 roadmap surfaces · Storage disk with phase-change memory · AMD: Southern Islands GPUs arrive later this year »

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