devices.py - Update MPS FP16 check to account for upcoming MacOS Sonoma #3886
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float16 doesn't seem to work on MacOS Sonoma due to further changes with Metal. This'll default back to float32 for Sonoma users.
gogurtenjoyer
requested review from
GreggHelt2,
StAlKeR7779,
blessedcoolant,
brandonrising,
damian0815 and
lstein
as code owners
Contributor
|
wheeeeeeee |
damian0815
approved these changes
Jul 25, 2023
Contributor
|
Sorry for the delay, I think this was pushed to page 2 of PRs and forgotten about |
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float16 doesn't seem to work on MacOS Sonoma due to further changes with Metal. This'll default back to float32 for Sonoma users.
What type of PR is this? (check all applicable)
Have you discussed this change with the InvokeAI team?
Have you updated all relevant documentation?
Description
This enhances the FP16 check on Macs using MPS to also check the operating system version.
The upcoming MacOS Sonoma (14.0) has changed Metal again, which seems to break FP16 support.
Now, if the user is on Sonoma, we'll fall back to full precision.
Related Tickets & Documents
QA Instructions, Screenshots, Recordings
Don't think anything needs to be done here; uses two stdlib packages to determine macos version.
Added/updated tests?
[optional] Are there any post deployment tasks we need to perform?
Nope!