How to speed up AppCode autocompletion?

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Nominalista
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I use IntelliJ products across multiple technologies and I have noticed that autocompletion in AppCode works much slower than for the other IDEs.

 

Example:

 

What I already did:

I've changed the default VM options, and it looks like this now:

-Xss2m
-Xms256m
-Xmx4096m
-XX:NewSize=128m
-XX:MaxNewSize=128m
-XX:ReservedCodeCacheSize=240m
-XX:+UseCompressedOops
-Dfile.encoding=UTF-8
-XX:+UseConcMarkSweepGC
-XX:SoftRefLRUPolicyMSPerMB=50
-ea
-XX:CICompilerCount=2
-Dsun.io.useCanonPrefixCache=false
-Djava.net.preferIPv4Stack=true
-Djdk.http.auth.tunneling.disabledSchemes=""
-XX:+HeapDumpOnOutOfMemoryError
-XX:-OmitStackTraceInFastThrow
-Djdk.attach.allowAttachSelf
-Dkotlinx.coroutines.debug=off
-Djdk.module.illegalAccess.silent=true
-Xverify:none

-XX:ErrorFile=$USER_HOME/java_error_in_appcode_%p.log
-XX:HeapDumpPath=$USER_HOME/java_error_in_appcode.hprof

(Notice increased -Xmx)

I've also enabled memory indicator, but it usually shows less than 1GB of RAM used.

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Permanently deleted user
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Fixed in https://youtrack.jetbrains.com/issue/OC-19137

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Andrii T
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I have the same problem!

I tried to switch off all inspectors - doesn't help

my VM options

-Xss2m
-Xms2048m
-Xmx4096m
-XX:NewSize=128m
-XX:MaxNewSize=128m
-XX:ReservedCodeCacheSize=2048m
-XX:+UseCompressedOops
-Dfile.encoding=UTF-8
-XX:+UseConcMarkSweepGC
-XX:SoftRefLRUPolicyMSPerMB=50
-ea
-XX:CICompilerCount=2
-Dsun.io.useCanonPrefixCache=false
-Djava.net.preferIPv4Stack=true
-Djdk.http.auth.tunneling.disabledSchemes=""
-XX:+HeapDumpOnOutOfMemoryError
-XX:-OmitStackTraceInFastThrow
-Djdk.attach.allowAttachSelf
-Dkotlinx.coroutines.debug=off
-Djdk.module.illegalAccess.silent=true
-Xverify:none

-XX:ErrorFile=$USER_HOME/java_error_in_appcode_%p.log
-XX:HeapDumpPath=$USER_HOME/java_error_in_appcode.hprof
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Nominalista
创建于

I have reported a bug in the YouTrack and as a result the newest version of AppCode (2019.3 EAP) has improved performance a lot.

See video for comparison:


Also decreasing tooltip initial delay helped me a little bit (Preferences > Appearance & Behavior > Appearance > UI Options).

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