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Will Sonnet eGFX support external Builds on Mac?

Recently trying a Sonnet eGFX Breakaway Puck Radeon RX 570 on my MacBook Pro. After going though all the Unreal Engine binaries and setting their info flags to be 'Prefer External GPU', I find zero acceleration in my builds on the external GPU and my MacBook cpus pegged at 100%.

If I read this correctly, the build program on the Mac is called 'UnrealLightmass' and is an executable. However, I don't seem to have the ability to set this executable to 'Prefer External GPU'.

My question is, will the Sonnet eGFX work with the Mac install of Unreal Engine?

Thank you.

Product Version: UE 4.22
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asked Aug 13 '19 at 09:47 PM in Everything Else

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