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Old 02-02-2017, 05:33 PM   #40
Justin's Avatar
Join Date: Jan 2005
Location: NYC
Posts: 14,316

In case you find this on google:

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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