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Old 02-02-2017, 05:32 PM   #106
Justin's Avatar
Join Date: Jan 2005
Location: NYC
Posts: 12,580

Sorry to repeat this, but I think it's the most important thing I've learned relating to this:

If you have a Retina iMac, REAPER (and likely other applications) will be significantly faster if you set the color profile (in System Preferences, Displays, Color tab) to "Generic RGB" or "Adobe RGB" (and restart REAPER)!

This is due to the Retina iMacs supporting 10-bit color, which most applications do not use or support, and which causes a great deal of extra processing to happen when updating the screen.

This applies to older versions of REAPER as well, they should be significantly faster when not using the iMac color profile...
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