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IBM Demos In-Memory Massively Parallel Computing

10/25/2017 00:01 AM EDT
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fragro
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Re: 3D Stacks
fragro   12/31/2017 7:16:40 AM
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Did anybody attend the presentation on Dec. 3, 2017? Any updates on the schedule for testing and prototyping/manufacturing?

R_Colin_Johnson
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Re: 3D Stacks
R_Colin_Johnson   10/27/2017 11:11:28 AM
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Well IBM does have different PCM formulations in the lab but manufacturing may only have one.

resistion
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Re: 3D Stacks
resistion   10/27/2017 9:39:24 AM
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My understanding is IBM's PCM is only made in their R&D fab, not transferred to manufacturing (yet).

R_Colin_Johnson
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Re: 3D Stacks
R_Colin_Johnson   10/27/2017 9:24:46 AM
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IBM manufactures at Global Foundries (which even took over some of its old manufacturing facilities). The current chip is still only a prototype, and will have to be optimized plus have a library of common algorithms built that can be loaded into its memory controller before runs (since it does not have a CPU). Also for now it will be a co-processor tied to a conventional host processor. Details of timetables will be given at IEDM (December 2-6, 2017). Venue: Hilton San Francisco Union Square333 O'Farrell StreetSan Francisco, CA 94102Phone:(415) 771-14000

photonic
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Re: 3D Stacks
photonic   10/26/2017 9:51:13 PM
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Given that IBM is no longer manufacturing semiconductors, who is the manufacturer, what is the process and when will it sample?

R_Colin_Johnson
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Re: 3D Stacks
R_Colin_Johnson   10/26/2017 12:55:13 PM
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Thanks for the clarification. 3-D stacks are definitley the future, but this announcement (at least) concentrated on 2-D. Thanks again, and congratulations on your world-changing success.

IBM_Research
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3D Stacks
IBM_Research   10/26/2017 6:44:26 AM
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Just to clarify, while some of our previous PCM work has been in 3-D this work doesn't cover 3-D stacks of phase-change memory and does not claim that the technology used in the present experimental demonstrations can be scaled to realize 3-D non-von Neumann coprocessors. Here is an EE TImes article on the previous 3-bit per cell PCM work. https://www.eetimes.com/author.asp?section_id=36&doc_id=1329619

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