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From: Michael S <already5chosen@yahoo.com>
Newsgroups: comp.arch
Subject: Re: Is Intel exceptionally unsuccessful as an architecture
 designer?
Date: Wed, 18 Sep 2024 19:00:27 +0300
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On Wed, 18 Sep 2024 15:50:09 GMT
scott@slp53.sl.home (Scott Lurndal) wrote:

> mitchalsup@aol.com (MitchAlsup1) writes:
> >On Wed, 18 Sep 2024 1:27:03 +0000, Lawrence D'Oliveiro wrote:
> > =20
> >> On Wed, 18 Sep 2024 00:57:59 +0000, MitchAlsup1 wrote:
> >> =20
> >>> On Wed, 18 Sep 2024 0:44:44 +0000, Lawrence D'Oliveiro wrote:
> >>> =20
> >>>> On Tue, 17 Sep 2024 23:45:50 +0000, MitchAlsup1 wrote:
> >>>> =20
> >>>>> "the CPUs are simply I/O managers to the Inference Engines and
> >>>>> GPUs." =20
> >>>>
> >>>> That particular Wheel of Reincarnation will never turn that way.
> >>>>
> >>>> Why? It comes down to RAM. Those addon processors will never have
> >>>> access to the sheer quantity of RAM that is available to the
> >>>> CPU. And motherboard-based CPU RAM is upgradeable, as well,
> >>>> whereas addon cards tend not to offer this option. =20
> >>>
> >>> He showed a die figure with 256GB of DRAM stacked 8-deep and
> >>> 2=C3=974-wide. =20
> >>
> >> Was it upgradeable? Or was it soldered in? =20
> >
> >Soldered in. =20
>=20
> Or in the case of HBM, directly stacked on the processor at the
> fab.
>=20

It's not easy to get 256GB via HBM.
To give one example, Fujitsu A64Fx got only 32GB.
It was 5 years ago and some progress was made since then, but density
improvements nowadays are sloooooooow.