This new disk image format is claimed to be “efficient and general-purpose”. But is it? Is it as fast as sparse bundles or read-write (UDRW) disk images are?
ASIF
ASIF disk images are new in Tahoe, and promise to be space efficient, as they’re sparse files, and almost as fast as the disk they’re stored on. Ideal for VMs and general use.
The Eclectic Light Company 