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build: raise the desktop heap ceiling to 1 GB

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384 MB left little headroom for large libraries and long sessions. It is
a ceiling, not a reservation: the serial GC only grows the heap to what
is live.
This commit is contained in:
Kingkor Roy Tirtho 2026-11-02 14:20:10 +06:00
parent 8537718225
commit f23c66c0c5
1 changed files with 2 additions and 2 deletions
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4
composeApp/build.gradle.kts
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@ -449,7 +449,7 @@ nucleus.application {
"--enable-native-access=ALL-UNNAMED", // need for JNA for compose-webview (wry) to work "--enable-native-access=ALL-UNNAMED", // need for JNA for compose-webview (wry) to work
// --- ADD THESE FOR SPEED & LOW RAM --- // --- ADD THESE FOR SPEED & LOW RAM ---
"-Xms64m", // Start with a tiny heap (prevents grabbing 500MB upfront) "-Xms64m", // Start with a tiny heap (prevents grabbing 500MB upfront)
"-Xmx384m", // Cap the max heap (VLC and WebView need a bit of room) "-Xmx1g", // Ceiling, not a reservation: the heap only grows to what is live (#3200, #3193)
"-XX:TieredStopAtLevel=1", // Disables the heavy C2 compiler. Huge startup speedup! "-XX:TieredStopAtLevel=1", // Disables the heavy C2 compiler. Huge startup speedup!
"-XX:+UseSerialGC" // The Serial GC is the most efficient for heaps under 512MB "-XX:+UseSerialGC" // The Serial GC is the most efficient for heaps under 512MB
) )
@ -556,7 +556,7 @@ nucleus.application {
// ProGuard is not used for native images; -Os is the size equivalent // ProGuard is not used for native images; -Os is the size equivalent
optimization = NativeImageOptimization.SIZE optimization = NativeImageOptimization.SIZE
// Same ceiling as the JVM distribution's -Xmx // Same ceiling as the JVM distribution's -Xmx
maxHeapSize = "384m" maxHeapSize = "1g"
// Skiko is loaded from lib/ next to the binary (Nucleus copies it there); don't embed // Skiko is loaded from lib/ next to the binary (Nucleus copies it there); don't embed
// a second ~30 MB copy as a resource // a second ~30 MB copy as a resource
buildArgs.add("-H:+UnlockExperimentalVMOptions") buildArgs.add("-H:+UnlockExperimentalVMOptions")