Gradle at Scale: Configuration Cache, Build Cache, and the Composite Build Patterns That Cut Our KMP CI from 45 to 12 Minutes

--- title : " Gradle at Scale: How We Cut KMP CI from 45 to 12 Minutes" published : true description : " A step-by-step workshop on configuration cache, remote build cache, and composite builds — the three Gradle optimizations that slashed our Kotlin Multiplatform CI by 73%." tags : kotlin, android, devops, performance canonical_url : https://blog.mvpfactory.co/gradle-at-scale-how-we-cut-kmp-ci-from-45-to-12-minutes --- ## What We Will Build By the end of this tutorial, you will have three Gradle optimizations applied to your Kotlin Multiplatform project: configuration cache for instant task graph reuse, remote build cache for team-wide cache hits, and composite builds that stop convention plugin changes from nuking your entire dependency graph. I use this exact setup on a 58-module KMP project. It took our CI from 45 minutes to 12. Here is the minimal setup to get this working. ## Prerequisites - A multi-module Kotlin project (KMP or otherwise) using Gradle 8.1+ - Access to your `grad