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post #21 of 25
If we switched to optical systems, would we even need a PC any more? Couldn't every thing just be streamed with no lag? A single optical line to homes/businesses instead of multiple copper lines (I have 3)?
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post #22 of 25
Quote:
Originally Posted by white owl View Post

If we switched to optical systems, would we even need a PC any more? Couldn't every thing just be streamed with no lag? A single optical line to homes/businesses instead of multiple copper lines (I have 3)?

You're catching on. if you have a full network of optical devices that do nothing but transfer data and manage light loads, do you need 5 quantum computers to replace 5 silicon computers? Or do you need 1 quantum computer and 4 optical computers to utilize it? thumb.gif

Companies have been trying to push cloud computing on us with lousy implementations and hacked together hardware for a while now. Cloud computing really IS more efficient and faster in theory, just not with silicon. As the tech matures a handful of simple quantum processors will replace thousands of our ridiculously intricate silicon processors for cloud processing applications, then the quantum processors will continue to get smaller, more complex and robust until it's reasonable for people to have their own quantum computer cloud server in their home with the rest of their devices being peripherals for that main processor.

It's simply the cheapest way to get the most processing power possible with the minimal amount of effort, and it scales across everything from your home to multinational, intercontinental networks.
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post #23 of 25
Quote:
Originally Posted by Ganf View Post

You're catching on. if you have a full network of optical devices that do nothing but transfer data and manage light loads, do you need 5 quantum computers to replace 5 silicon computers? Or do you need 1 quantum computer and 4 optical computers to utilize it? thumb.gif

Companies have been trying to push cloud computing on us with lousy implementations and hacked together hardware for a while now. Cloud computing really IS more efficient and faster in theory, just not with silicon. As the tech matures a handful of simple quantum processors will replace thousands of our ridiculously intricate silicon processors for cloud processing applications, then the quantum processors will continue to get smaller, more complex and robust until it's reasonable for people to have their own quantum computer cloud server in their home with the rest of their devices being peripherals for that main processor.

It's simply the cheapest way to get the most processing power possible with the minimal amount of effort, and it scales across everything from your home to multinational, intercontinental networks.
The lack of heat means servers could be scaled down...alot. What would need a dedicated room now, will probably fit on a desk and only get smaller.
Lower temps = more efficient = less real estate = probably longer lifespan = more performance. Warning: Spoiler! (Click to show)
But can it be overclocked?
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post #24 of 25
My Dual Xeon E5 2690v3 rig could become outdated, by a few orders of magnitutes even, faster that i would have believed, if this will come mainstream !
post #25 of 25
Quote:
Originally Posted by Ganf View Post

Well thanks for explaining why. That was very informative.

How much work can you do with 512 silicon transistors?

How much work can you do with 512 qubits?

We measure our silicon transistors today in the billions. Qubits will eventually be measured in the billions. You get what I'm saying now?

512 qubits can replace trillions of silicon transistors. Ten million is cheap for a supercomputer, and it's already smaller by orders of magnitude. Silicon is already being phased out, it's just that these things don't happen overnight.

1 qubit != 1 transistor.

First off, a qubit is not a physical component. Comparing it to a regular bit would make more sense. You really wouldnt say you have a 512bit computer would you? How many bits does your computer have? We denote bits as value. Like the number 25973, thats base10, if we convert it to binary (base2), we get 110010101110101, and those are bits.

The thing is... bits are 0 or 1, just transistor, its either on or off. .... a qubit is basically a combination of both states. That does not mean it has a 3rd state, and its not like a 2 (2 cant exist as a digit in base 2). Instead, it's the probability of 0 and the probability of 1. You dont just see 75% as 0 and 25% as 1 and just round down in your calculations, calling it 0. At the same time, you cant call it 0.25 because thats not a option in base2. DWave has a nice explanation of this...
Quote:
The behavior of each qubit is governed by the laws of quantum mechanics, enabling qubits to be in a “superposition” state – that is, both a 0 and a 1 at the same time, until an outside event causes it to “collapse” into either a 0 or a 1.

Comparing the operations of a qubit vs a normal CPU is like comparing apples to oranges. If your just adding 1 + 2, the normal CPUs will be the fastest hands down. CPUs are deterministic, it goes down back to fundamentals of its either On or Off. Quantum computers on the end are considered probabilistic. Meaning they dont just return 1 answer, but several potential solutions. Quantom computer shine with complex problems that require brute force of calculations like decryption or even things like bitcoin mining. You dont ask it, whats 1 + 2 , but instead what are the 2 largest numbers when multiplied equals 23428304233123797232123123124917987021387120487107323021897210387103217831209837 .


Read the intro the the DWAVE system. It does a good job explaining it.
http://www.dwavesys.com/sites/default/files/Map%20Coloring%20WP2.pdf


But in general... you WONT see quantum computer for your cellphone or any small devices.... there is no advantage to it. But, using photonics, that does provide advantages in that it requires less power and faster. The huge advantage of photonics (last i remember) is by altering the frequency (color not speed... light still travels at the speed of light), you can basically create a parallel connection. If you think of the standard Red Green Blue, if it sees red, you know that it was 100 , if it sees yellow, then it would be 110. Kinda like old computers usto be 256 colors, ie 8 bits, it slowly evolved include more and more color. So, in theory, you should be able to run at a much lower clock rate while still being able to do the same amount of computations.
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