Clion is slow
已回答
As I like JetBrains products so much I switched from QT Creator to Clion to get the same experience. But Clion is so slow and unreliable compared to other JetBrains products.
As I mentioned my project is based on QT, it's very small and biggest file I have is SQLite3 source code. Xms and Xmx are 4GB and Clion use almost 2GB, but refactoring is so slow and sometimes Clion marks a lot of variables as unused although they are used. I tried different VM configs but didn't get any improvement.
The odd thing is while I work on a single file heap size increases constantly then GC is activated and cause lags and this repeats again and again.
Now I'm using +UseG1GC, at least GC don't run aggressively.
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Which version of CLion are you currently using?
What is your computer setup?
CLion is definitely not the fastest text editor, but as a per-feature comparison basis, it is quite efficicent IMHO.
See also: https://intellij-support.jetbrains.com/hc/en-us/community/posts/360000720300-CLion-2018-2-high-CPU-usage
Clion is becoming dangerously close to being eliminated in IDE contest. As a long-term fan of Clion, I'm seriously considering switching to VSCode. Pycharm is beginning to follow suit, with each update causing more hangs.
Hi all!
In order to understand what problem you're facing in particular we need some diagnostic information. Please send automatically generated thread dumps if you have them in the logs folder (
Help | Show Log in …) to clion-support at jetbrains.com or, if there are no dumps, please capture a CPU snapshot and send it to us.