[tbb-bugs] #26473 [Applications/Tor Browser]: Tor Browser high CPU usage while browsing Facebook

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#26473: Tor Browser high CPU usage while browsing Facebook
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 Reporter:  uzi                       |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  High                      |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Major                     |     Resolution:
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by cypherpunks):

 Replying to [comment:3 teor]:
 > The safest security setting turns off JavaScript, but it also turns off
 a lot of optimisations. (Because optimisations are fingerprintable.)
 Optimisations of JS (i.e. basically JIT) have nothing to do with that
 since JS itself is entirely blocked, so why am I getting 100% CPU usage in
 a simple forum on high security setting?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26473#comment:4>
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