December 4, 2021

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Intel showcases Meteor Lake test chips with stacked design – Computer – News

You want to be able to put as many chips on a chip as possible because of the costs. So, by baking the chipotle on top of the chips, you need less “trace” I think.

No, that’s not true, ie: yes, if that’s the only criterion, you’re really right, because the more CPU per gram of material it will be cheaper per finished product.

However, this is not the case in practice. Other factors in general affect this type of production line much more than just the materials used.

1. The more complex the design, the more error-prone the process: thus, more broken chips end up in a mountain of waste.
2. The more complex the design, the more likely your chip machine won’t be able to finish it in one round, so how much extra time (on the machine) you need per chip, the more time less chips = more expensive, more time = More power = more expensive. More rolls on the machine, more chance of errors when re-aligning on the machine = more production errors. (and so on)

why then,
From the little I understood something like this happens,

Each path consists of part 1 (eg a cache) to part 2 (eg a computing core) of a conductor, the conductor having a certain resistance per linear nanometer. The longer the path such a signal must take, the more resistance must be bridged, and therefore the stronger the current must be.

The stronger this current is, the more interference it will give to other parts of the chip and other currents in that chip…the more interference, the components should be spaced apart so they don’t suffer from this interference. . But also, the longer these corridors are again, and so the currents must get stronger again.

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There are only 3 ways to solve this endless race to get more and more power and more complex ways to counteract this interference;

1: lowering the resistance on those lanes (eg, superconductivity), = not currently possible

2: Take advantage of the properties of the mechanism and how they can cancel each other out… This will make your chip infinitely complex.

or 3. And apparently Intel is choosing that now, they’ve come up with a way to shorten those cycles. And if not anymore. Left, right, forward or backward, then goes up or down.

[Reactie gewijzigd door i-chat op 19 november 2021 12:09]