<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Pyo3 on Joe Bylund</title><link>http://jbylund.github.io/tags/pyo3/</link><description>Recent content in Pyo3 on Joe Bylund</description><generator>Hugo -- gohugo.io</generator><language>en</language><copyright>© 2026 Joe Bylund</copyright><lastBuildDate>Fri, 02 Oct 2026 00:00:00 +0000</lastBuildDate><atom:link href="http://jbylund.github.io/tags/pyo3/index.xml" rel="self" type="application/rss+xml"/><item><title>76× Faster Card Search by Moving Filtering Out of PostgreSQL</title><link>http://jbylund.github.io/posts/00544_rust-engine-why-we-built-it/</link><pubDate>Fri, 02 Oct 2026 00:00:00 +0000</pubDate><guid>http://jbylund.github.io/posts/00544_rust-engine-why-we-built-it/</guid><description>Card search moved from PostgreSQL into a Rust extension via PyO3. The 76× speedup came not from clever SQL tuning but from eliminating the database round-trip entirely — and from hitting a ceiling that Python itself could not clear.</description></item></channel></rss>