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[SB] Phase Change Memory is 7x Faster Than Your SSD

post #1 of 48
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Quote:
A University of California, San Diego faculty-student team is about to demonstrate a first-of-its kind, phase-change memory solid state storage device that provides performance thousands of times faster than a conventional hard drive and up to seven times faster than current state-of-the-art solid-state drives (SSDs).
Quote:
The storage system, called “Moneta,†uses phase-change memory (PCM), an emerging data storage technology that stores data in the crystal structure of a metal alloy called a chalcogenide. PCM is faster and simpler to use than flash memory – the technology that currently dominates the SSD market.
Quote:
To store data, the PCM memory chips switch the alloy between a crystalline and amorphous state based on the application of heat through an electrical current. To read the data, the chips use a smaller current to determine which state the chalcogenide is in. Moneta uses Micron Technology’s first-generation PCM chips and can read large sections of data at a maximum rate of 1.1 gigabytes per second and write data at up to 371 megabytes per second. For smaller accesses (e.g., 512 B), Moneta can read at 327 megabytes per second and write at 91 megabytes per second , or between two and seven times faster than a state-of-the-art, flash-based SSD. Moneta also provides lower latency for each operation and should reduce energy requirements for data-intensive applications.
Source
Edited by nmdehaan - 6/3/11 at 9:55pm
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post #2 of 48
win
post #3 of 48
Wow, that's really interesting! Wonder if/when this will be made available to the public for a decent price.
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post #4 of 48
I'm guessing this will be available as current SSD's become more mainstream. For now, it's a nice tech demo of what future hard drive tech can do. Not yet feasible for public consumption for now.
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post #5 of 48
herp derp, thats cool and all but i guess when this comes to SSD's it'll be back to square one with pricing per Gb.
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post #6 of 48
Quote:
Originally Posted by ThaJoker View Post
herp derp, thats cool and all but i guess when this comes to SSD's it'll be back to square one with pricing per Gb.
To quote DuckieHo from another thread:


- Low price
- High capacity
- Faster speeds

Pick two.
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post #7 of 48
Quote:
Originally Posted by ThaJoker View Post
herp derp, thats cool and all but i guess when this comes to SSD's it'll be back to square one with pricing per Gb.
I think you'll see these overlayed on top of existing flash-based SSDs, sort of like how SSDs are sold alongside HDDs. This would be amazing to see go mainstream in the next few decades though
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post #8 of 48
Quote:
Originally Posted by lordikon View Post
To quote DuckieHo from another thread:


- Low price
- High capacity
- Faster speeds

Pick two.
hhhmmmmmm touche'. ill be quiet now. duckie is a wise man

Quote:
Originally Posted by darthjoe229 View Post
I think you'll see these overlayed on top of existing flash-based SSDs, sort of like how SSDs are sold alongside HDDs. This would be amazing to see go mainstream in the next few decades though

(spoken in cheech's voice) you crazy man!! moores law dude.... think about it. everything doubles in terms of capacity/processing/power. i reckon like 4 years atleast to see this comming to market.
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post #9 of 48
I heard Metal / Crystal & Electricity, and that was enough to sit me up in my chair!

So, what we have here is a special um reader/writer that uses bleeding edge tech which will some day possibly come to be in existence, possibly...

I'd like to hear a definite answer on IF this is a viable tech, is it cost effective, and if so, will it see production (yes or no)?

I could see something like this lasting ages!!! (As in 10+ X the life cycle of a mechanical drive, obviously SSD's life cycle is too short & performance degrading over time is meh!)

Man I'm hungy for something like this!

But, essentially it's significantly slower on smaller reads, where as on large file transfers or read/write jobs it moves like lightning...
(I think Intel saw this before we did, e.g. >>> Light-Peak)

Something is leading me to believe that this tech has been around for some time!

(It reminds me of that famous quote: "I'll serve no wine before it's time" from the wine commercial)

Kind of Reminds me of DDR 4... (Of course there is DDR5 out there, but we will never see it soon in a desktop)

Anyway, nonetheless, serves up!

Quote:
Originally Posted by Wikipedia
A chalcogenide is a chemical compound consisting of at least one chalcogen ion and at least one more electropositive element. Although all group 16 elements of the periodic table are defined as chalcogens, the term is more commonly reserved for sulfides, selenides, and tellurides, rather than oxides.

Photoconductive chalcogenide glasses are used in xerography and television.[citation needed]

An optical processing chip using a chalcogenide as a photodetector has been developed by The University of Sydney with potential to speed up links between optical fibre networks and computers.[1]
Looks like they have been working with this stuff since 2009. Proof

After reading further into the article it appears to answer some of my more important questions..

Quote:
Originally Posted by From Article
Swanson hopes to build the second generation of the Moneta storage device in the next six to nine months and says the technology could be ready for market in just a few years as the underlying phase-change memory technology improves. The development has also revealed a new technology challenge.

“We’ve found that you can build a much faster storage device, but in order to really make use of it, you have to change the software that manages it as well.

Edited by _GTech - 6/2/11 at 8:59pm
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post #10 of 48
Quote:
Originally Posted by lordikon View Post
To quote DuckieHo from another thread:


- Low price
- High capacity
- Faster speeds

Pick two.
He's got a point...
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