IDEA consumes too much CPU when editing
已回答
IDEA consumes too much CPU when inputing codes into Java files, leading to code complement and input delay delay.
The result below is copied from Activitiy Monitor while editing codes. (after using IDEA for an hour)
%CPU Subsystem
82.3 <Process total CPU usage>
50.6 <JIT compiler>
10.1 <unidentified: DefaultDispatcher-worker->
4.6 <unidentified: UI thread>
3.9 <unidentified: JobScheduler FJ pool>
3.1 <infrastructure: AWT-Windows>
3.1 Plugin Java: psi.util (in com.intellij)
2.3 Plugin Java: psi.scope.util (in com.intellij)
It's very strange that JIT Compiler continuesly consumes CPU, though I've spent an hour editing codes.
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IntelliJ IDEA’s high CPU usage while editing Java files is usually caused by background indexing, inspections, or plugins constantly triggering the JIT compiler. To reduce the load, increase the IDE heap size in idea.vmoptions, disable unnecessary plugins, exclude large folders from indexing, and enable Power Save Mode. Also try invalidating caches or switching to a stable JDK version. If the JIT still E-ZPass North Carolina consumes CPU, it may be a bug, and reporting logs to JetBrains support is the best next step.