Why is the export of Fujifilm X-Trans files which use DeepPRIME denoising, so much slower after I upgraded the operating system of my Apple Silicon Mac computer to macOS v12.3 or newer? (macOS 12 only)

This information applies to version(s): 2, 3

With macOS (v12.3) a regression was introduced, which considerably slows down the Apple Neural Engine cores used in all M1/M2/M3 Macs. This exclusively affects Fujifilm X-Trans RAW files in DxO PureRAW.

UPDATE: since the official release of macOS Ventura, this bug has been fixed by Apple.

If you are still using macOS Monterey (from version 12.3 and up), there is a workaround to let you continue using DeepPRIME with great speed: go to the DxO PureRAW’s preferences and under “DeepPRIME acceleration”, manually choose the option “Apple M1" (or M2/M3)" instead of the “Auto selection".


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