Android Studio – How to increase Allocated Heap Size

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——-EDIT——–

Android Studio 2.0 and above, you can create/edit this file by accessing “Edit Custom VM Options” from the Help menu.

——-ORIGINAL ANSWER——–

Open file located at

/Applications/Android\ Studio.app/Contents/bin/studio.vmoptions

Change the content to

-Xms128m
-Xmx4096m
-XX:MaxPermSize=1024m
-XX:ReservedCodeCacheSize=200m
-XX:+UseCompressedOops

Xmx specifies the maximum memory allocation pool for a Java Virtual Machine (JVM), while Xms specifies the initial memory allocation pool. Your JVM will be started with Xms amount of memory and will be able to use a maximum of Xmx amount of memory.

Save the studio.vmoptions file and restart Android Studio.

Note:

If you changed the heap size for the IDE, you must restart Android Studio before the new memory settings are applied. (source)

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