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RE: DNA Computing Could Blow Quantum Computing Away
This whole process assumes every "branch" can be split and with it all state (RAM/DISK) and then processed in parallel.
You can achieve identical algorithms today assuming you had a GPU with more CORES than BRANCHES and that you had fast replicating copy-on-write RAM.
There is nothing magical about DNA that couldn't be replicated with silicon and 4 bit computing. It isn't like you can construct new DNA molecules without brining in new raw material, which means the DNA machine is limited by the number of molecules it has available to reconfigure, just like silicon and FPGAs.
So in the end the size doesn't matter? They made an allusion to your desktop computer on this principle being quicker than a supercomputer, but I guess that was only the idea of exponential time to arrive at a a solution making that tech faster than anythin, and not actually the DNA tech itself.
Today's tech can do parallel processing, so what is the drive for a "quantum" solution that would do exponentially fast solution calculations? Wouldn't it still be faster in its design compared to the current tech?
DNA is a data-storage system that is 1000x denser than any RAM that we have today. DNA is not a computation system.
Massive parallelism, like described in the article, is based upon the ability to rapidly and accurately clone DNA. Every time a branch is discovered, then entire state is "cloned" and farmed off to another processing core.
https://www.extremetech.com/extreme/134672-harvard-cracks-dna-storage-crams-700-terabytes-of-data-into-a-single-gram
Parallel processing in this manner allows computation to be spread out to more cores: if you can transport the cloned DNA to an available processor efficiently.
Before DNA computers can become a reality, we will need the technology to completely sequence the human genome in a microsecond.
Ah ok, good for storage potential for now, but not processing for a while... if at all. Thanks for the explanation!
That is interesting. I had never heard of this worded this way.
Your explanation is good.