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Claude
a836df65da
On a 16 GB machine the OOM killer took a JVM in most incremental pre-push runs: the Kotlin daemon (8g heap; 8.9 GB resident when killed), the Gradle daemon, or a test JVM. - gradle.properties caps the Kotlin daemon at 6g. 4g (CI's cap) is too little locally: a cold build compiles :commonsUI for the JVM and Android in that one daemon at once and spent 977 s in full GCs before it stalled. At 6g it spends 43 s, and all JVMs peak near 10.5 GB. - :commonsUI:jvmTest grew to 6 GB resident with a 512 MB heap: the render tests leave each ImageComposeScene.render() Image to a Cleaner, and the small heap almost never collects. A timed G1 cycle runs the Cleaners; the peak is 2.8 GB and the suite takes the same 91 s. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_018fsjDqmcRg2F3kQpXmwgSy
58 lines
3.6 KiB
Properties
58 lines
3.6 KiB
Properties
# Project-wide Gradle settings.
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# IDE (e.g. Android Studio) users:
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# Gradle settings configured through the IDE *will override*
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# any settings specified in this file.
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# For more details on how to configure your build environment visit
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# http://www.gradle.org/docs/current/userguide/build_environment.html
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# Specifies the JVM arguments used for the daemon process.
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# The setting is particularly useful for tweaking memory settings.
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org.gradle.jvmargs=-Xmx6g -Dfile.encoding=UTF-8
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# When configured, Gradle will run in incubating parallel mode.
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# This option should only be used with decoupled projects. More details, visit
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# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
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org.gradle.parallel=true
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org.gradle.caching=true
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# AndroidX package structure to make it clearer which packages are bundled with the
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# Android operating system, and which are packaged with your app's APK
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# https://developer.android.com/topic/libraries/support-library/androidx-rn
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android.useAndroidX=true
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# Kotlin code style for this project: "official" or "obsolete":
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kotlin.code.style=official
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# Enables namespacing of each library's R class so that its R class includes only the
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# resources declared in the library itself and none from the library's dependencies,
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# thereby reducing the size of the R class for that library
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android.nonTransitiveRClass=true
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android.enableR8.fullMode=true
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# 6g, down from 8g (metaspace stays 2g). Beside the Gradle daemon's 6g and the test JVMs, 8g let the
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# Kotlin daemon reach 8.9 GB resident, and the OOM killer took it (or the Gradle daemon, or a test
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# JVM) in most incremental pre-push runs on a 16 GB machine. 4g is too little: a cold build
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# compiles :commonsUI for the JVM and Android in this one daemon at once, and at 4g it spent 977 s
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# in full GCs and stalled. At 6g a cold pre-push run spends 43 s in full GCs and all JVMs peak
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# near 10.5 GB. A bigger machine can raise it in ~/.gradle/gradle.properties, which wins over
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# this file; CI sets its own cap in .github/workflows/build.yml.
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kotlin.daemon.jvmargs=-Xmx6g -XX:MaxMetaspaceSize=2g
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# because we use a custom jvmAndroid target
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kotlin.mpp.applyDefaultHierarchyTemplate=false
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# This is needed for the Swift bridge to work.
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kotlin.mpp.enableCInteropCommonization=true
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# Incremental compilation for the KMP modules. Since K2, Kotlin rebuilds a whole KMP module
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# whenever a recompiled file sits in a shared source set (commonMain, jvmAndroid): the guard
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# for KT-62686, still in 2.5.0-Beta1. Nearly all of :commons and :commonsUI is shared, so every
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# edit paid a full rebuild: a body change in :commons took ~39 s, a new public declaration
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# ~161 s (commons, commonsUI and the app); with this, ~10 s and ~26 s. The risk the guard
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# covers is narrow: common code resolving a platform declaration that shadows a dependency's
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# class of the same name, which can give a wrong incremental result locally (a clean build
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# fixes it). CI and release builds start clean, so they are unaffected.
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kotlin.internal.incremental.enableUnsafeOptimizationsForMultiplatform=true
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# Enabled parallel sync for Gradle 9.4+
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org.gradle.tooling.parallel=true
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# Apple test tasks (iosSimulatorArm64Test, macosArm64Test) can only run on a Mac; on Linux and
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# Windows hosts KGP disables them and warned about it on every configuration. That is expected
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# here (CI runs them on macos-latest), so the warning carries no signal. Note the flag silences
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# every disabled-native-target notice, not only those: if a host ever loses the ability to
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# compile an Apple target, that is quiet too. CI's macOS jobs are where Apple code is verified.
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kotlin.native.ignoreDisabledTargets=true
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