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[ARS] D-Wave’s quantum optimizer pitted against traditional computers - Page 2

post #11 of 25
Quote:
One of the problems (QUBO) used maps directly to quantum annealing, meaning that the calculation can be performed on D-Wave's custom chip. In that case, the hardware dominates, coming in about 3,600 times faster than the closest software competitor. Using the newer chip and a 503-bit problem, D-Wave's advantage went up to 10,000 times faster.

Up to 10k times faster if the problem paremeters suit D-Wave's hardware. I'm impressed.

Q.comps and graphene will rock our world. Probably.
post #12 of 25
Quote:
Originally Posted by DuckieHo View Post

That probably won't happen since this design relies on lowest energy states.
Machine learning.... probable best paths.... it takes large datasets and tries to see patterns basically...


Bitcoin mining is hashing.
Traffic management is more like real-time fluid dynamics.

Certainly this design does. Not sure if they couldn't manage to find a baseline material or medium (vacuum?) where such low temperatures were not necessary in order to induce lowest energy states.
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post #13 of 25
Quote:
Originally Posted by DuckieHo View Post

You build/buy servers/HPC for specific workloads.
As you explain in your sig - (8) Requirements come before hardware for servers
Which still cracks me up biggrin.gif
The only thing where I would disagree is the fridge part. But only to see someone with a fridge-PC build log.
Appart form that the sigis genious.

OT: Remember the first IBM monsters were build for specific problems and were only able to deal with a very limit set of problems/programs.
So we could still see in a general purpose quantum toy for everyone.
Edited by Mr.Eiht - 5/16/13 at 8:08am
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post #14 of 25
Thread Starter 
Quote:
Originally Posted by Mr.Eiht View Post

As you explain in your sig - (8) Requirements come before hardware for servers
Which still cracks me up biggrin.gif
The only thing where I would disagree is the fridge part. But only to see someone with a fridge-PC build log.
Appart form that the sigis genious.

OT: Remember the first IBM monsters were build for specific problems and were only able to deal with a very limit set of problems/programs.
So we could still see in a general purpose quantum toy for everyone.

The fridge part is not absolute.... if you get a big enough fridge, then the temperature can stay steady enough for the half-duty compressor to not burn out.


It's more for people who think they can stick a 500w gaming rig into a mini-fridge.
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post #15 of 25
Quote:
Originally Posted by DuckieHo View Post


It's more for people who think they can stick a 500w gaming rig into a mini-fridge.
Yup. And one day I might do that. I would not even bother to turn it on. Just having my equipment in a tiny fridge. (Titans are not that big biggrin.gif)
Anyway, I still wubsmiley.gif that sig.
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post #16 of 25
Quote:
Originally Posted by DuckieHo View Post

The fridge part is not absolute.... if you get a big enough fridge, then the temperature can stay steady enough for the half-duty compressor to not burn out.


It's more for people who think they can stick a 500w gaming rig into a mini-fridge.

Unless if you somehow modded the fridge so it can take more thermal load without failure...
post #17 of 25
Very cool, it's basically simulated annealing, but not simulated and instead implemented in (quantum) hardware. Awesome and fast for some problems, but annealing has some big issues in solving many classes of problems (situations where there are lots of local minima/maxima can be very hard with this approach).

Edit:
Quote:
Originally Posted by Avonosac View Post

Certainly this design does. Not sure if they couldn't manage to find a baseline material or medium (vacuum?) where such low temperatures were not necessary in order to induce lowest energy states.

Let me preface this by saying I'm absolutely not a physicist, so don't that this as a lexical response. AFIK, quantum energy states are directly related to temperature, they are almost one and the same. I don't think there is a way to make this work without being close to 0 kelvin.
Edited by Varjo - 5/16/13 at 8:48am
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post #18 of 25
Thread Starter 
Quote:
Originally Posted by A Bad Day View Post

Unless if you somehow modded the fridge so it can take more thermal load without failure...

Mod a fridge as in replace the entire cooling system? You might as well get a bigger fridge, AC unit, or PC phase unit in the first place.
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post #19 of 25
no pics

negged

brb using imagination
    
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post #20 of 25
Quote:
Originally Posted by Varjo View Post

Very cool, it's basically simulated annealing, but not simulated and instead implemented in (quantum) hardware. Awesome and fast for some problems, but annealing has some big issues in solving many classes of problems (situations where there are lots of local minima/maxima can be very hard with this approach).

Edit:
Let me preface this by saying I'm absolutely not a physicist, so don't that this as a lexical response. AFIK, quantum energy states are directly related to temperature, they are almost one and the same. I don't think there is a way to make this work without being close to 0 kelvin.

Been a while since I played with Quantum physics (like 8/9 years ago while I was in college), but I thought I remembered quantum state was a measure of the energy level of the particle and being able to determine its location, and because of interaction with the surrounding environment, it would be at an elevated state. My thought was if you somehow could establish a baseline on a different state, one that didn't require as much cooling to attain. I'm thinking a magnetic field or some kind of plasma state as a substitute.

Although, quantum annealing is not a concept we touched on at all (at least I don't remember), we focused mainly on quantum tunneling.
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