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Could the 128bit Processor Design be feasable?

SansVarnic
By SansVarnic
in CPUs, Motherboards, and Memory
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It just came to me a few minutes ago. Would it be feasible to design a 128bit processor? With capacitors at 10nm I would think that we could make it happen and with Quantum computing on the horizon it maybe something to think about?

 

Give your thoughts on this as I am curious. I have a theory on it but not sure how atm to describe it in words. 

I used to think at first when the 64bit was announced it be a long time before implementation and we are just now finally (last 5 years or so) getting native 64bit software for systems, I still have a few things things that run 32 bit.

 

*Edit to add poll.

 

 

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It wouldn't really benefit anything...

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we havent even hit the memory limit of 64 bit which is 16 BILLION GB

more bits =/= more performance

more bits = more ram it can access

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Not any time soon.

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nope. the 64bit is capable of using more ram than any user could need, and any software is capable of running.

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It just came to me a few minutes ago. Would it be feasible to design a 128bit processor? With capacitors at 10nm I would think that we could make it happen and with Quantum computing on the horizon it maybe something to think about?

 

what do you mean by "capacitors at 10nm"

 

also 128bit is perfectly feasible, but rather pointless as ram usage is no where near the theoretical maximum for 64bit

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We don't need it/already have it. Back when processors were quite simple 8 bit/16bit/32 bit were important aspects defining how much RAM they could address and the size of the words they worked on. But a modern processor can already do 256 bit floating and integer point calculations. All 64 bit in the current processor design really signifies is the address lines available for RAM, and 2^ 64 is a stupid number and its going to take a very long time before we get close to it being a problem. Infact todays CPUs aren't capable of that at all, they are all limited to more moderate 42 bit addressing despite being called 64 bit CPUs.

 

Its a meaningless number now, it doesn't reflect the realities of modern processors and the number of bits varying across the different parts of the CPU. If it was about addressing then modern CPUs fail to meet the current 64 bit standard anyway, nor would it be useful for them to even support it because there is zero ways for us to make storage that big in one machine let alone RAM. So I take issue with the polls premise because you haven't defined what part of a processor would be 128 bit.

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It's like the guys who stuck the Yamaha R1 engine into the go kart chassis.

Unnecessary.

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Its possible everything is eventually.... But we will probably NEVER need anything above 128bit before the world ends anyway.... Buts is possible!

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It's been very much possible for years. It simply has no benefits at this time. 64-bit architectures already support petabytes of ram, and applications that use more than 32 bit words really don't need any more than 64-bit for now. It's part of the reason why apple going 64 bit was funny, since they've only just recently announced a device that has 4gb of ram, let alone one that has more.

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what do you mean by "capacitors at 10nm"

 

also 128bit is perfectly feasible, but rather pointless as ram usage is no where near the theoretical maximum for 64bit

I think he meant transistors

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nope. the 64bit is capable of using more ram than any user could need, and any software is capable of running.

so far.

 

the future holds many unknowns... just you wait till we get smart-watches who scan our DNA in real time for defects... then we gonna need some serious processing power.

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so far.

 

the future holds many unknowns... just you wait till we get smart-watches who scan our DNA in real time for defects... then we gonna need some serious processing power.

 

a 128bit processing cpu is not more powerful than a 64bit in that regard mate. It simply refers to the data tables that it can maintain, but until we start having a need for having MORE than 6,000,000,000 gigbytes of ram in a SMART WATCH, then there's no need for a 128bit cpu. a 32bit cpu w/ 2gbs of ram, behaves in the same fashion in regards to performance compared to a 64bit cpu w/ 2gbs of ram

For 128bit to even become something remotely near what we need, then we first need to hit a bottleneck in daily compute where 6,000,000,000 gbs of ram has become a bottleneck.

Just to help you understand that, 6,000,000,000 gigabytes of the cheapest ddr3 i can find is still going to cost about $298,200,000,000

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We already have 128-bit CPUs, you can also have 256-bit if you want.

All you are doing, is adding more lines to the processor, to support additional bits, making the chip bigger.

 

What 64-bit makes it "faster", is really the fact that it supports new operation codes to do some things faster (that is, if the compiler supports them, and optimized to do a good job in detecting when to use it during optimization, or have the developer use them ('manual mode', if you prefer)). 64-bit permits also more precise numbers, and do large calculations without the need to split things in half, a process that can cause headaches, not to mention: performance loss.

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what do you mean by "capacitors at 10nm"

 

also 128bit is perfectly feasible, but rather pointless as ram usage is no where near the theoretical maximum for 64bit

 

 

I think he meant transistors

^^^ yes this is what I meant (dumb autospeller)

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Thank you all for your input but I was asking about feasibility not whether or not we needed it.

Thanks for those that gave constructive and intuitive opinions and information, you have given me something to think on.

For those that gave negative remarks, this was a question purely for interest and speculation purposes, who cares if it is needed, it is just whether not it is possible with the advances we have achieved up to this point in our technology today. We don't 'need' quantum computing but yet we are making strides in that area . . . .

 

We already have 128-bit CPUs, you can also have 256-bit if you want.

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I was not aware there was already 128 bit processors, thanks for the info I will do some looking into this (for personal interest) if you have links please share I am always interested in learning new things.

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Here is one from the 70's

https://en.wikipedia.org/wiki/ICL_2900_Series

I believe it was going at 10MHz, and cost an affordable 2 million pounds back in the day.

So that would be 2,456,870 pounds if it was today, or 3,732,969.21$ U.S

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