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Anybody else seen a massive increase in the latency of graphical Emacs on recent versions of OS X? Please don't reply if you only ever use Emacs inside a terminal emulator: I'm very much attached to my mouse.

The latency problem began when I upgrade from 10.8 to 10.11. (I use Mitsuharu Emacs, but would be stunned if the problem were absent from plain-FSF Emacs.)

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P.S. Has anyone gotten the typometer application described in the OP to work with a graphical emacs on OS X? Whenever I open the application, my Emacs just freezes till I close the application.

Yes, it works for me. I'm using the Mitsuharu version. Results: text mode - 6.7ms (SD=0.3); fundamental mode - 6.7ms (SD=0.2); js2 mode - 13.2ms (SD=11.6); org mode - 13.9ms (SD=14.2)

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