<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>nabla9</author><text>&amp;gt; How do I use this to speed up database access? How do I use this to better commute graphics? Can you make a neural net better with this?&lt;p&gt;It seems that you have missed some of the basics of quantum computing.&lt;p&gt;For quantum computing to work the system must be isolated from the environment for the period of the computation. You can&amp;#x27;t use it for anything interactive like graphics.&lt;p&gt;Any practical problem worth solving with quantum computer needs something like years or  millions of years  to solve using classical computer. Do you have database index where search  takes years or graphics problem where output takes years?&lt;p&gt;Also consider the amount of qbits needed. For database search you need quantum computer with same order of magnitude qbits as the database index.&lt;p&gt;Practical problems for quantum computing are mostly scientific problems  like simulating chemistry.</text><parent_chain><item><author>desmond373</author><text>As someone who did most of IBMs quantum course, the difficulty didn&amp;#x27;t come with the generating code part. It came with the application. How do I use this to speed up database access? How do I use this to better commute graphics? Can you make a neural net better with this?&lt;p&gt;Giving people useful applications will generate more interest than you will need.</text></item></parent_chain></comment><story><title>Quantum Algorithm Implementations for Beginners</title><url>https://dl.acm.org/doi/10.1145/3517340</url></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>dr_dshiv</author><text>Useful applications don’t exist. They surely will, at some point, but not yet. That’s why they aren’t provided as examples.</text><parent_chain><item><author>desmond373</author><text>As someone who did most of IBMs quantum course, the difficulty didn&amp;#x27;t come with the generating code part. It came with the application. How do I use this to speed up database access? How do I use this to better commute graphics? Can you make a neural net better with this?&lt;p&gt;Giving people useful applications will generate more interest than you will need.</text></item></parent_chain></comment><story><title>Quantum Algorithm Implementations for Beginners</title><url>https://dl.acm.org/doi/10.1145/3517340</url></story>