From 15a6b583d44322d05cc7f1ac9458f77c69b68d8e Mon Sep 17 00:00:00 2001 From: Jason Pearson Date: Sat, 21 Sep 2024 17:31:26 -0400 Subject: [PATCH] tune jvm args for nowinandroid with links and reasoning --- gradle.properties | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/gradle.properties b/gradle.properties index 97f940e2e..e2d6e0903 100644 --- a/gradle.properties +++ b/gradle.properties @@ -8,7 +8,23 @@ # Specifies the JVM arguments used for the daemon process. # The setting is particularly useful for tweaking memory settings. # Ensure important default jvmargs aren't overwritten. See https://github.com/gradle/gradle/issues/19750 -org.gradle.jvmargs=-Xmx6g -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8 -XX:+UseParallelGC -XX:MaxMetaspaceSize=1g +# +# For more information about how Gradle memory options were chosen: +# - Metaspace See https://www.jasonpearson.dev/metaspace-in-jvm-builds/ +# - SoftRefLRUPolicyMSPerMB would default to 1000 which with a 4gb heap translates to ~51 minutes. +# A value of 1 means ~4 seconds before SoftRefs can be collected, which means its realistic to +# collect them as needed during a build that should take seconds to minutes. +# - CodeCache normally defaults to a very small size. Increasing it from platform defaults of 32-48m +# because of how many classes can be loaded into memory and then cached as native compiled code +# for a small speed boost. +org.gradle.jvmargs=-Dfile.encoding=UTF-8 -XX:+UseG1GC -XX:SoftRefLRUPolicyMSPerMB=1 -XX:ReservedCodeCacheSize=256m -XX:+HeapDumpOnOutOfMemoryError -Xmx4g -Xms4g + +# For more information about how Kotlin Daemon memory options were chosen: +# - Kotlin JVM args only inherit Xmx, ReservedCodeCache, and MaxMetaspace. Since we are specifying +# other args we need to specify all of them here. +# - We're using the Kotlin Gradle Plugin's default value for ReservedCodeCacheSize, if we do not then +# the Gradle JVM arg value for ReservedCodeCacheSize will be used. +kotlin.daemon.jvmargs=-Dfile.encoding=UTF-8 -XX:+UseG1GC -XX:SoftRefLRUPolicyMSPerMB=1 -XX:ReservedCodeCacheSize=320m -XX:+HeapDumpOnOutOfMemoryError -Xmx4g -Xms4g # When configured, Gradle will run in incubating parallel mode. # This option should only be used with decoupled projects. More details, visit