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Firefox seems to cause high CPU usage of windowserver process

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  • 1 有這個問題
  • 8 次檢視
  • 最近回覆由 FredMcD

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Last week I switched back to Firefox after a couple of years, but what I noticed is that once opened the interface seems to be very slow. When checking my CPU usage, once Firefox gets opened, the "windowserver" macOS process spikes to 80-100%. I also see other processes like "mds_stores" and "mdworker" consume a lot of CPU.

If I open Chrome besides Firefox, without actually loading any website. I can see my mouse movement lagging when hovering over the Firefox browser. I do not have this when hovering over Chrome.

Currently, I only have one extension installed + already tried to run in safe mode, but the experience is the same.

Any idea what could cause this?

Last week I switched back to Firefox after a couple of years, but what I noticed is that once opened the interface seems to be very slow. When checking my CPU usage, once Firefox gets opened, the "windowserver" macOS process spikes to 80-100%. I also see other processes like "mds_stores" and "mdworker" consume a lot of CPU. If I open Chrome besides Firefox, without actually loading any website. I can see my mouse movement lagging when hovering over the Firefox browser. I do not have this when hovering over Chrome. Currently, I only have one extension installed + already tried to run in safe mode, but the experience is the same. Any idea what could cause this?
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