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new FCPX 10.4 and eGPU  

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mac_editor
(@mac_editor)
Famed Member Moderator
Joined: 3 years ago
 

Could y’all also test optical flow analysis performance with and without eGPU on FCP 10.4?

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anticipate
(@anticipate)
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Joined: 3 years ago
 

FCPX 10.4 does not use the eGPU for optical flow. FCPX 10.3.4 uses it, and even though it is a slower, non-Metal implementation, due to the fact that 10.3.4 DOES use the eGPU, it's still significantly faster. I didn't sit there and let it finish, but it looked like 2X faster at least under 10.3.4 vs 10.4.

Producer/Editor - Anticipate Media - www.anticipatemedia.com | Late 2016 15" MBP / Sonnet 550 / Vega 56


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ikir
 ikir
(@ikir)
Prominent Member
Joined: 4 years ago
 

I suppose it is a bug since this comes from App Store page, lets hope.

ps: FCPX 10.3.4 is not working for me since a while, Black window. But works if I unplug eGPU.

• Final Cut Pro uses all Mac GPU for superior performance real – time playback and fast rendering in the background.


MacBook Pro 2018 Touch Bar i7 quad-core 2.7Ghz - 16GB RAM - 512GB PCIe SSD
my awesome Radeon VII eGPU
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Antoine
(@antoine)
Trusted Member
Joined: 3 years ago
 
Posted by: ikir

I suppose it is a bug since this comes from App Store page, lets hope.

ps: FCPX 10.3.4 is not working for me since a while, Black window. But works if I unplug eGPU.

• Final Cut Pro uses all Mac GPU for superior performance real – time playback and fast rendering in the background.

I hope this is a bug but my reading of this statement confirm that only MAC GPU is supported in FCPX and not eGPU.

In fact in my system if I simulate not having iGPU/dGPU by disabling them, I get full eGPU HW acceleration in FCPX 10.4

2017 15" MBP 3.1 MHz RP560 + AMD Vega FE [email protected] (Breakaway 350 + SF600) + macOS 10.14.6


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Antoine
(@antoine)
Trusted Member
Joined: 3 years ago
 

A new article on Barefeats.com maybe explains why this new move.

http://barefeats.com/hic2_nv_vs_vega.html

Screen Shot 2017 12 15 at 09.15.34

2017 15" MBP 3.1 MHz RP560 + AMD Vega FE [email protected] (Breakaway 350 + SF600) + macOS 10.14.6


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mac_editor
(@mac_editor)
Famed Member Moderator
Joined: 3 years ago
 

I can also confirm that FCP 10.4 does not use the eGPU, at least for project exports on 10.12.6. I have yet to test other things.

purge-wranglertbt-flashpurge-nvdaset-eGPU
Insights Into macOS Video Editing Performance

Master Threads:
2014 15-inch MacBook Pro 750M
2018 15-inch MacBook Pro

 
2019 13" MacBook Pro [8th,4C,U] + RX Vega 64 @ 32Gbps-TB3 (Mantiz Venus) + macOS 10.14.6 & Win10 [build link]  


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Michal Dudkowski
(@majkelos)
Active Member
Joined: 3 years ago
 

Same problem, all rendering is now on CPU...

MacBook Pro 16" 2020, Touchbar, i9 2,4 Ghz, 8 Cores, 64GB RAM, 4TB SSD
Mantiz Venus with AMD Radeon RX 56 8GB
Catalina 10.15.5


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anticipate
(@anticipate)
Active Member
Joined: 3 years ago
 

What is it explaining? I have a similar setup. 

Producer/Editor - Anticipate Media - www.anticipatemedia.com | Late 2016 15" MBP / Sonnet 550 / Vega 56


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Agris
(@agris)
Eminent Member
Joined: 3 years ago
 

Who's going to buy new iMac Pro, if You can connect eGPU to regular iMac haha. Apple solves that by disabling eGPU in FCPX 😀

MBP 15' mid 2015


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itsage
(@itsage)
Illustrious Member Admin
Joined: 4 years ago
 

@anticipate, I think @antoine meant with the addition of an eGPU older Mac Pros can outperform the underclocked Vega 64 in the new iMac Pro. Hence introducing a bug for eGPU in FCPX 10.4 would conveniently smooth out the first wave of PR.

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