Member-only story

Why is there hype around Quantum Computing?

Know the fundamentals around the buzzword called Quantum Computing and the future it unlocks

Renu Khandelwal
8 min readDec 22, 2021
Source:https://azure.microsoft.com/en-us/solutions/quantum-computing/#microsoft-approach

You have to perform an unstructured database search to find one item from one trillion items, and evaluating each item takes 1 microsecond.

Would you prefer to wait for a week for the results or prefer to wait for a second to get the results?

Read to find how to achieve this impressive feat of retrieving results in a second.

Classical computing or computers are the ones that we all use today with CPUs and GPUs. When a complex problem is encountered, we turn to Supercomputers with 1000’s powerful CPUs and GPUs which will take about a week to return the results. These supercomputers need to store the possible combinations in working memory and check half-trillion items on average. In the worst case, it needs to check all one trillion items, which can be time-consuming as it needs to iterate through each permutation to find an outcome.

On a quantum computer, using Grover’s search, it would find an item after checking √N, which in our case is one million items and will take just one second to return the results.

So what is this Quantum Computing?

--

--

Renu Khandelwal
Renu Khandelwal

Written by Renu Khandelwal

A Technology Enthusiast who constantly seeks out new challenges by exploring cutting-edge technologies to make the world a better place!

No responses yet