Slow photo slideshow export from photos on Macbook air 2020 M1

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Slow photo slideshow export from photos on Macbook air 2020 M1

Hi, i have a macbook air M1 with 512G storage and 8G RAM. Today when I was trying to export a photo slideshow (112 photos) from photos in a 1080p video format, I find it is extremely slow. It took about 16 mins to complete. I tried the same on my 2015 macbook pro and 2012 imac, both computers managed to export the photo slideshow much faster - within 5 mins. I am very surprised by this result.

Does anyone have a similar experience with this?

MacBook Air 13″, macOS 11.0

Posted on Dec 5, 2020 11:37 PM

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Answer 1

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jeffsona Author

Level 1

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Dec 16, 2020 11:35 PM in response to TonyCollinet

Thanks for the reply. I can confirm this issue was resolved after I updated my Big Sur to 11.1 today. The speed of exporting the photo slideshow is very fast now. This is apparently an issue of the first version of Big Sur. Cheers.

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Answer 2

Dec 6, 2020 4:57 AM in response to jeffsona

That doesn't seem right, given all the performance claims apple have made about the M1. Were you exporting to the system drive in all cases?

Was the output filesize and compression codec the same in all cases? (eg - If Big Sur is exporting to H265, this is significantly more processor intensive than H264)

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Answer 3

Dec 9, 2020 1:51 AM in response to jeffsona

Again - can you confirm that the resulting saved video file size on disk, is the same size on the M1 as on your macbook pro/imac? (I'm not sure if your "everything is the same" refers only to your output settings, or if you have also compared the video file size)

Click the files on the different machines, and open the info pane (CMD-i). Compare the file size, dimensions and codec.

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Answer 4

Old Toad

Level 10

215,196 points

Dec 6, 2020 9:58 AM in response to jeffsona

How much free space do you have on your M1 hard drive?

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Answer 5

jeffsona Author

Level 1

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Dec 8, 2020 11:14 PM in response to TonyCollinet

Yes, I was exporting to the desktop (system drive) in all cases. Yes, everything is the same across all three machines. There could be a bug with the Mac photos. When I used M1 to export an iMovie video, it is really fast. It just seems to be really slow for slideshow export on Photos.

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Answer 6

jeffsona Author

Level 1

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Dec 8, 2020 11:11 PM in response to Old Toad

Hi, I still have 320G free space on my M1 drive.

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Slow photo slideshow export from photos on Macbook air 2020 M1

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