PhpStorm CPU load under 100% (Mac OS) is it normal?

Question

macOS

Greetings, I want to switch to PhpStorm with Sublime, but the CPU load is embarrassing, I would like to understand - is this normal or do I need to dig somewhere? On the jetbrains forum it’s somehow not clear on the topics, they advise writing to technical support to resolve the issue, but there is no specifics on the solutions.
And so, there is a Macbook Pro 15 "mid 2016 with i7 2.6 GHz.
The JDK 10v
PhpStorm 2018.1.6 package is installed with default settings (no custom plugins)
Testing takes place on macOS 10.14 and 10.13.5, the same projects are opened for test (pure WP with a standard theme) and a very simple project with one index.php 3 folders and each with several files (img, css, js).
It doesn’t matter which project I open, when scrolling just the code in any file (css, js, php) - the load on the processor is created up to 100% (jumps from 40 to 100), just studying the code in a couple of minutes the temperature of the processor rises and the killers start to make noise , it's not comfortable to work ... I've already installed it on clean OS, to no avail. Everywhere PhpStorm behaves like this, is this the norm for him? Or do I need to install some plugins?
Of course, there are instructions for disabling plugins, prohibiting folders from being indexed. But WP with 5000 files and a small project with 10 files creates the same load, besides, there are no tasks in the status bar at the moment of loading, when indexing, the load reaches 400%
Is this somehow treated?)

Answer 1

I have 15ka 2015, there are of course 4 cores and 8 gig of RAM. But a storm with very large projects (the same WP, Laravel, Symfony) flies. At the same time, a wagon of plugins, everything is indexed, and so on. Including, there is an additional PHP Inspections and a couple of linters, which eat the CPU so well.
The only moment when the CPU takes off is when the project is indexed from scratch. But at the same time, nothing lags, and you can work calmly. The only downside is the fan noise.