.jvmopts

# toggle debug output
#-Dizumi.reflect.debug.macro.rtti=true
#-Dizumi.reflect.debug.macro.rtti=false

# toggle debug assertions
#-Dizumi.reflect.debug.macro.rtti.assertions=true
#-Dizumi.reflect.debug.macro.rtti.assertions=false

-Xmx8G
-XX:ReservedCodeCacheSize=256m
-XX:MaxMetaspaceSize=3G

-XX:+OmitStackTraceInFastThrow
-XX:SoftRefLRUPolicyMSPerMB=50
-Dsun.io.useCanonCaches=false
-server

#-Xshare:on

#-Xshare:dump
#-Xlog:class+load=info

-XX:+UseG1GC

# Enable ZGC
#-XX:+UnlockExperimentalVMOptions
#-XX:+UseZGC

# Enable Graal JIT
#-XX:+UnlockExperimentalVMOptions
#-XX:+EnableJVMCI
#-XX:+UseJVMCICompiler

# Bumping JIT inline-level increases performance of Scala code
#   https://www.reddit.com/r/scala/comments/cigh0t/these_go_to_eighteen_c_jon_pretty/
#   https://scalacenter.github.io/bloop/docs/performance-guide#tweak-the-java-jit
#   https://twitter.com/leifwickland/status/1179419045055086595
-XX:MaxInlineLevel=18
# These seem to cause sbt import slowdown :\
#-XX:MaxInlineSize=270
#-XX:MaxTrivialSize=12