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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.arch
Subject: Re: Is Intel exceptionally unsuccessful as an architecture designer?
Date: Wed, 18 Sep 2024 01:27:03 -0000 (UTC)
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On Wed, 18 Sep 2024 00:57:59 +0000, MitchAlsup1 wrote:

> On Wed, 18 Sep 2024 0:44:44 +0000, Lawrence D'Oliveiro wrote:
> 
>> On Tue, 17 Sep 2024 23:45:50 +0000, MitchAlsup1 wrote:
>>
>>> "the CPUs are simply I/O managers to the Inference Engines and GPUs."
>>
>> 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.
> 
> He showed a die figure with 256GB of DRAM stacked 8-deep and 2×4-wide.

Was it upgradeable? Or was it soldered in?

> ... all the CPU has to
> do is program the I/O MMU to allow them to do their own thing, and deal
> with the keyboard and mouse activities.

That’s not how interactive timesharing worked in the old days, and it 
certainly won’t be sufficient for interactive work today.

You *did* say “servers” though, didh’t you?