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[ThePlatform] Intel Shows off 3DXpoint Memory Performance - Page 4

post #31 of 34
Quote:
Originally Posted by Ghoxt View Post

I'm hoping you are reading too much into it. The quote "Taking performance to a whole new level" means speed to me for the most part. If it was just more storage...meh, albeit important for the future of course. I figure if it was slower why bother with the info, and simply stating more storage would have done it.

Yeah I'm doubling down on the speed thing. In any case we'll see. biggrin.gif

Are you confusing DRAM and NAND? 3D Xpoint is much denser than DRAM, but it is also slower. It is much faster than NAND, but not as dense (so it costs more per GB). It can be thought of as a very fast NAND replacement for new SSDs or a slow but very dense (and non-volatile) DRAM replacement. Or it is something new between both of them with nothing being replaced and computers feeling a lot faster.

I do think tpi2007 is reading too much into the "10x" statements, or is simply being pessimistic. tongue.gif

We are supposed to be up to 128 GB DIMMs of DDR4 as well, and you can easily buy 32GB DIMMs. wink.gif

128GB DIMMs (from Oct 2014):
http://www.samsung.com/semiconductor/insights/news/13767
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post #32 of 34
So when are we getting breakthrough in DRAM technology, since CPU and GPU has been solidly gotten better. SSD got computing experience in whole new level and now this. But RAM is still slugging so much and latency are getting worse by the year and the only way to make faster memory is widen the bus. mad.gif
post #33 of 34
Quote:
Originally Posted by Power Drill View Post

So when are we getting breakthrough in DRAM technology, since CPU and GPU has been solidly gotten better. SSD got computing experience in whole new level and now this. But RAM is still slugging so much and latency are getting worse by the year and the only way to make faster memory is widen the bus. mad.gif
This much faster than SSDs, like 5-7x faster, but it only offers more density for DRAM, not speed.

Right now we are still pretty bottle-necked by storage. When xpoint hits we should see even faster NICs becoming standard.
Edited by Sin0822 - 10/29/15 at 5:38pm
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post #34 of 34
Quote:
Originally Posted by Power Drill View Post

So when are we getting breakthrough in DRAM technology, since CPU and GPU has been solidly gotten better. SSD got computing experience in whole new level and now this. But RAM is still slugging so much and latency are getting worse by the year and the only way to make faster memory is widen the bus. mad.gif

It is still DRAM but HMC and HBM seem to be moving in the right direction and shouldn't be too far away. smile.gif

Smallish amounts of HMC or HBM DRAM (maybe 8-64GB) combined with large amounts of 3D Xpoint could enable an excellent next generation memory system. thumb.gif
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