Yeah, I convinced the moderators to update the link to a newer version of the paper. But keep in mind that a paper published in 2013 probably describes research performed in 2012 on hardware purchased in 2011 (if they're lucky). Getting back to hardware, the premium for 4-socket servers appears to be much smaller than it used to be, so now you can get a ton of DIMM slots for a reasonable price.
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You can't compare old pricing against new. Now you can get 384 GB for under $9K and 768 GB would be maybe $15K.
Oh, the paper is dated January 2013 but I see now something about "prices converted to US$ as of 8 August 2012".
I'm confused. I think the link changed to a different version of the paper. The numbers I went by aren't even in there any more!
Yeah, I convinced the moderators to update the link to a newer version of the paper. But keep in mind that a paper published in 2013 probably describes research performed in 2012 on hardware purchased in 2011 (if they're lucky). Getting back to hardware, the premium for 4-socket servers appears to be much smaller than it used to be, so now you can get a ton of DIMM slots for a reasonable price.