[TF-M] SFN vs IPC partition with IPC backend

If using IPC backend, how much performance and/or memory savings is there when using SFN vs IPC partition model?

I saw FF-M v1.1 recommended SFN partition model but it was not clear to me why it was preferred.

Regards,

Brian Quach SimpleLink MCU Texas Instruments Inc. 12500 TI Blvd, MS F-4000 Dallas, TX 75243 214-479-4076