Issues with CPU Usage (IntelliJ 15.0.4)

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I'm noticing particularly high CPU usage from IntelliJ since updating it to the latest version (15.0.4 from 15.0.2). When I open any project, it immediately spikes to upwards of 60-70% of CPU usage, causing my computer to overheat and shut down every time if I don't close it fast enough.

Does anyone know a possible solution for this problem? Is anyone else noticing a similar problem with this release?

Also, if this may help at all:

CPU: Intel Core i5-2450M

Memory: 8GB DDR3-1600

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Did you wait until indexing is finished? It's normal when after update IDE has to rebuild the caches.

If the issue persists after indexing is complete, please provide the logs (https://intellij-support.jetbrains.com/hc/articles/207241085) and a CPU snapshot (https://intellij-support.jetbrains.com/hc/articles/207241235).

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