<story><title>IBM unveils 127-qubit quantum processor</title><url>https://newsroom.ibm.com/2021-11-16-IBM-Unveils-Breakthrough-127-Qubit-Quantum-Processor</url></story><parent_chain><item><author>rain1</author><text>It is incredibly dishonest of them to post this without any details about the noise parameters of the system.&lt;p&gt;When reading &amp;quot;127-qubit system&amp;quot; you would expect that you can perform arbitrary quantum computations on these 127 qubits and they would reasonably cohere for at least a few quantum gates.&lt;p&gt;In reality the noise levels are so strong that you can essentially do nothing with them except get random noise results. Maybe averaging the same computation 10 million times will &lt;i&gt;just&lt;/i&gt; give you enough proof that they were actually coherent and did a quantum computation.&lt;p&gt;The omission of proper technical details is essentially the same as lying.</text></item></parent_chain><comment><author>andrewla</author><text>Basically little more than having a bathtub and claiming you&amp;#x27;ve built a computer that does 600e23 node fluid dynamic calculations. But a lot more expensive.</text></comment>
<story><title>IBM unveils 127-qubit quantum processor</title><url>https://newsroom.ibm.com/2021-11-16-IBM-Unveils-Breakthrough-127-Qubit-Quantum-Processor</url></story><parent_chain><item><author>rain1</author><text>It is incredibly dishonest of them to post this without any details about the noise parameters of the system.&lt;p&gt;When reading &amp;quot;127-qubit system&amp;quot; you would expect that you can perform arbitrary quantum computations on these 127 qubits and they would reasonably cohere for at least a few quantum gates.&lt;p&gt;In reality the noise levels are so strong that you can essentially do nothing with them except get random noise results. Maybe averaging the same computation 10 million times will &lt;i&gt;just&lt;/i&gt; give you enough proof that they were actually coherent and did a quantum computation.&lt;p&gt;The omission of proper technical details is essentially the same as lying.</text></item></parent_chain><comment><author>vbtemp</author><text>It seems like IBM has blown their credibility so many times. As soon as I saw IBM mentioned in the lead of the title, I knew what was to follow is almost entirely actual-content-free marketing spin.</text></comment>