ObservablePer-chunk tick-time profiler (heatmap on the map)

Version: 2.0.6 · MC 1.21.1 · NeoForge 21.1.228 · Java 21

About

Complements Spark. Spark tells you "mod X is slow"; Observable tells you "chunk (123, 456) is slow". Renders a heatmap overlay so you can find which specific machine / farm / chunk is bottlenecking the tick.

Things to do

Getting started

Bind in Controls.

Official documentation