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karman
Joined: 10 Aug 2017
Posts: 294
Location: Spain
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 Posted: Thu Aug 22, 2019 5:41 am Post subject: A CPU with 400k cores |
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| Quote: | | We get it, press releases are full of hyperbole. Cerebras recently announced they’ve built the largest chip ever. The chip has 400,000 cores and contains 1.2 trillion transistors on a die over 46,000 square mm in area. That’s roughly the same as a square about 8.5 inches on each side. But honestly, the WSE — Wafer Scale Engine — is just most of a wafer not cut up. Typically a wafer will have lots of copies of a device on it and it gets split into pieces. |
https://hackaday.com/2019/08/21/largest-chip-ever-holds-1-2-trillion-transistors/ |
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g0b
Joined: 18 Jul 2006
Posts: 1385
Location: France
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| Posted: Thu Aug 22, 2019 7:22 am Post subject: |
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Sure cpushack will come soon with a bunch of theses 
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crazybubba64
Joined: 03 Jul 2018
Posts: 1371
Location: WI, USA
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| Posted: Thu Aug 22, 2019 8:10 am Post subject: |
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Interesting solution, using more-or-less a complete wafer as one unit. Definitely very expensive.
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debs3759
Joined: 18 Jan 2006
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Location: Northampton, Divided Kingdom
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| Posted: Thu Aug 22, 2019 8:44 am Post subject: |
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I would be interested to see how well the performance scales compared to a mainstream processor using similar architecture.
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CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
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| Posted: Thu Aug 22, 2019 11:41 am Post subject: |
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| debs3759 wrote: | | I would be interested to see how well the performance scales compared to a mainstream processor using similar architecture. |
This is developed for machine learning, which scales better adding cores then it does adding clock speed, so hard to compare with a mainstream processor
The cores on these tend to be very simple (they dont need to be fancy)
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