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AMD's X3D - HBM on CPU - memory wall

Posted: Sun Mar 08, 2020 12:44 pm
by smatovic
Seems AMD plans to put HBM on CPUs, increases bandwidth 10 fold they say.

https://www.anandtech.com/show/15590/am ... 25d-and-3d

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Srdja

Re: AMD's X3D - HBM on CPU - memory wall

Posted: Mon Mar 09, 2020 1:42 am
by Leo
smatovic wrote:
Sun Mar 08, 2020 12:44 pm
Seems AMD plans to put HBM on CPUs, increases bandwidth 10 fold they say.

https://www.anandtech.com/show/15590/am ... 25d-and-3d

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Srdja
Good news.

Re: AMD's X3D - HBM on CPU - memory wall

Posted: Tue Jun 30, 2020 5:50 am
by smatovic
Followup...

Fujitsu put 32 GB HBM on their ARM based A64FX processor with 1 TB/s

https://en.wikipedia.org/wiki/Fujitsu_A64FX

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Srdja

Re: AMD's X3D - HBM on CPU - memory wall

Posted: Tue Jun 30, 2020 7:25 am
by Dann Corbit
smatovic wrote:
Sun Mar 08, 2020 12:44 pm
Seems AMD plans to put HBM on CPUs, increases bandwidth 10 fold they say.

https://www.anandtech.com/show/15590/am ... 25d-and-3d

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Srdja
What wonderful news. And since CPUs and GPUs both can talk to the same greased-lightning fast memory, think of the stories we could tell.

Re: AMD's X3D - HBM on CPU - memory wall

Posted: Tue Nov 03, 2020 8:19 am
by smatovic
I like the new POWER10 design...

https://en.wikipedia.org/wiki/POWER10#I/O

10ns DDR4 RAM latency, external off-chip memory controller, up to 1 TB/s per socket...whoosh.

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Srdja