<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Gradient Descent: The Ultimate Optimizer · HackerPapers discussions</title><link>https://hackerpaper.kaipfister.de/p/1909.13371/</link><description>Collected HN comments and submissions linking this paper.</description><language>en</language><lastBuildDate>Mon, 02 Nov 2026 11:16:22 GMT</lastBuildDate><atom:link href="https://hackerpaper.kaipfister.de/p/1909.13371/feed.xml" rel="self" type="application/rss+xml" /><item><title>Gradient Descent: The Ultimate Optimizer — mentioned by blackbear_</title><link>https://news.ycombinator.com/item?id=34453015</link><guid isPermaLink="false">urn:hackerpapers:mention:1909.13371:34453015</guid><pubDate>Fri, 20 Jan 2023 13:45:27 GMT</pubDate><description>&lt;p&gt;In the general case no because the final metric we care about (eg, accuracy or AUC) is not differentiable (ie, we cannot compute its gradient) with respect to the hyperparameters, especially the discrete ones. However a recent work at this year&amp;#x27;s NeurIPS [1] did indeed use an outer gradient descent to tune an inner gradient descent so in some cases yours is indeed a good idea that works. [1] https://arxiv.org/abs/1909.13371&lt;/p&gt;&lt;p&gt;&lt;a href="https://hackerpaper.kaipfister.de/p/1909.13371/"&gt;Paper and discussion history&lt;/a&gt;. A mention is not an endorsement.&lt;/p&gt;</description><category>cs.LG</category></item><item><title>Gradient Descent: The Ultimate Optimizer — HN submission</title><link>https://news.ycombinator.com/item?id=33275005</link><guid isPermaLink="false">urn:hackerpapers:submission:1909.13371:33275005</guid><pubDate>Thu, 20 Oct 2022 14:18:04 GMT</pubDate><description>&lt;p&gt;Gradient Descent: The Ultimate Optimizer&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt;6 points; 1 discussion reply on HN. &lt;a href="https://hackerpaper.kaipfister.de/p/1909.13371/"&gt;Paper and source history&lt;/a&gt;. A submission is not an endorsement.&lt;/p&gt;</description><category>cs.LG</category></item><item><title>Gradient Descent: The Ultimate Optimizer — HN submission</title><link>https://news.ycombinator.com/item?id=21141761</link><guid isPermaLink="false">urn:hackerpapers:submission:1909.13371:21141761</guid><pubDate>Wed, 02 Oct 2019 23:09:39 GMT</pubDate><description>&lt;p&gt;Gradient Descent: The Ultimate Optimizer&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt;191 points; 41 discussion replies on HN. &lt;a href="https://hackerpaper.kaipfister.de/p/1909.13371/"&gt;Paper and source history&lt;/a&gt;. A submission is not an endorsement.&lt;/p&gt;</description><category>cs.LG</category></item><item><title>Gradient Descent: The Ultimate Optimizer — HN submission</title><link>https://news.ycombinator.com/item?id=21122711</link><guid isPermaLink="false">urn:hackerpapers:submission:1909.13371:21122711</guid><pubDate>Tue, 01 Oct 2019 07:02:23 GMT</pubDate><description>&lt;p&gt;Gradient Descent: The Ultimate Optimizer&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt;17 points; 2 discussion replies on HN. &lt;a href="https://hackerpaper.kaipfister.de/p/1909.13371/"&gt;Paper and source history&lt;/a&gt;. A submission is not an endorsement.&lt;/p&gt;</description><category>cs.LG</category></item></channel></rss>
