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Very Poor Performance while using Final Cut Pro on M1 iMac

ventuss

ventuss

macrumors 6502
Original poster
Oct 9, 2011
372
19
I've got a new M1 iMac and I have been dealing with a lot of problems while running Final Cut Pro. It seems to be using large amounts of RAM without any need. Let's say I create a project with 2 minutes 1080p60 (12Mb/s), and just do some cuttings and use some basic titles and transitions for a while.. the memory usage goes up and up.. in about 30 minutes FCP is using 8-9GB, eventually it becomes super sluggish, but if I simply close and reopen, it goes back using 500MB.

Now if I do the same exact process on my late 2013 iMac, it stays around 500-800MB no matter what.

I have no plugin's installed on FCP. The only softwares that I installed on this brand new iMac is FCP, Premiere Pro, Photoshop and Audition. I even reinstalled FCP and still going through the same issues. Also, it only happens with FCP, Premiere Pro has no performance problems.

How can I fix it?
 
ventuss said:
I've got a new M1 iMac and I have been dealing with a lot of problems while running Final Cut Pro. It seems to be using large amounts of RAM without any need. Let's say I create a project with 2 minutes 1080p60 (12Mb/s), and just do some cuttings and use some basic titles and transitions for a while.. the memory usage goes up and up.. in about 30 minutes FCP is using 8-9GB, eventually it becomes super sluggish, but if I simply close and reopen, it goes back using 500MB.

Now if I do the same exact process on my late 2013 iMac, it stays around 500-800MB no matter what.

I have no plugin's installed on FCP. The only softwares that I installed on this brand new iMac is FCP, Premiere Pro, Photoshop and Audition. I even reinstalled FCP and still going through the same issues. Also, it only happens with FCP, Premiere Pro has no performance problems.

How can I fix it?
Click to expand...

Where do you have your cache location?
 
I encountered the same problem with my 16" Macbook Pro late 2019! It's weird, because I have an Intel chip. It's probably a big sur bug, because I did not notice that problem in Catalina and it happens with Photoshop too.
 
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