Prism' Translation Layer Does For Arm PCs What Rosetta Did For Macs

An anonymous reader quotes a report from Ars Technica: Microsoft is going all-in on Arm-powered Windows PCs today with the introduction of a Snapdragon X Elite-powered Surface Pro convertible and Surface Laptop, and there are inevitable comparisons to draw with another big company that recently shifted from Intel's processors to Arm-based designs: Apple. A huge part of the Apple Silicon transition's success was Rosetta 2, a translation layer that makes it relatively seamless to run most Intel Mac apps on an Apple Silicon Mac with no extra effort required from the user or the app's developer. Windows 11 has similar translation capabilities, and with the Windows 11 24H2 update, that app translation technology is getting a name: Prism. Microsoft says that Prism isn't just a new name for the same old translation technology. Translated apps should run between 10 and 20 percent faster on the same Arm hardware after installing the Windows 11 24H2 update, offering some trickle-down benefits that users of the handful of Arm-based Windows 11 PCs should notice even if they don't shell out for new hardware. The company says that Prism's performance should be similar to Rosetta's, though obviously this depends on the speed of the hardware you're running it on. Microsoft also claims that Prism will further improve the translation layer's compatibility with x86 apps, though the company didn't get into detail about the exact changes it had made on this front.Read more of this story at Slashdot.
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