Questions tagged [ar.hardware-architecture]

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1answer
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what can be said about complexity of “typical” supercomputing programs/ applications? any NP hard?

supercomputers have risen dramatically in their computational powers last few decades due to Moore's law & also increasing parallelism technology in hardware and software. many different types of ...
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1answer
110 views

Why are there only two bits? [closed]

I was thinking that why are their only two bits,0&1. I know that they represent a particular switch in IC being opened or closed. But why not for switch neither completely open nor closed i.e. in ...
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0answers
109 views

In what sense, does a safe register exist?

In the paper "On Interprocess Communication", the author Leslie Lamport have developed a formalism for interprocess communication via shared registers based on lower-level, non-atomic operations and ...
3
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1answer
461 views

Is the D-Wave architecture a close implementation of quantum interactive proof?

A very high level architecture is, as mentioned here, shown in this picture. The component on the left is classical while the one on the right is the D-Wave box. I understand that in QIP, Arthur is ...
13
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3answers
698 views

Can any program be implemented mechanically?

Is it possible to build a single purpose (non Turing complete) mechanical implementation of say, Microsoft Word? Is it possible to implement such things as iterators, first-order functions, the whole ...
14
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1answer
1k views

Speedup from algorithmic advances vs. hardware

I recall seeing a study or article a while ago claiming that most of the speedup seen in computer programs over the last several decades is from better algorithms rather than faster hardware. Does ...
16
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1answer
1k views

Feasibility of Gödel machines

Recently I stumbled upon quite an interesting theoretical construct. A so called Gödel machine It's a general problem solver which is capable of self-optimization. It's suitable for reactive ...
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2answers
280 views

Will we be able to use the current software in quantum computers? [closed]

I'm not sure if this should go here, so my apologies. The fact is that lately I have heard a lot about quantum computers and that they are not that far away. As it is a totally new technology, which ...
11
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1answer
399 views

Do people look at loop nestness in boolean circuits?

While an EE undergrad I attended some lectures that presented a nice characterization of boolean circuits in terms of how many nested loops they have. In complexity, boolean circuits are often thought ...