Disk images have been valuable tools marred by poor performance. In the wrong circumstances, an encrypted sparse image (UDSP) stored on the blazingly fast internal SSD of an Apple silicon Mac may write files no faster than 100 MB/s, typical for a cheap hard drive. One of the important new features introduced in macOS 26 Tahoe is a new disk image format that can achieve near-native speeds: ASIF, documented here.
This has been detailed as a major improvement in lightweight virtualisation, where it promises to overcome the most significant performance limitation of VMs running on Apple silicon Macs. However, ASIF disk images are available for general use, and even work in macOS Sequoia. This article shows what they can do.
Programtipset: NordVPN – stabil, snabb och säker VPN
NordVPN ger dig skydd av militärklass på nätet, och du kan komma åt alla dina favoritsajter utan begränsningar. Vi loggar aldrig din aktivitet när vi använder våra servrar, som drivs under Panamas jurisdiktion, där det inte finns några obligatoriska lagar…
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