Microsoft's Windows on Arm woes may finally be over. As part of the company's new Copilot+ AI PC initiative, which includes new Surfaces and partner systems running Qualcomm's Snapdragon X Elite chips, Microsoft says it has rebuilt core components of Windows 11 to better support Arm-based hardware and AI. That includes a new kernel, compiler, and most importantly, an emulator named "Prism" for running older x86 and x64 apps.
Microsoft says it reworked Windows 11 schedulers to take advantage of Arm capabilities and AI workloads. There's also a new driver compute model that recognizes neural engines more like how Windows sees CPUs and GPUs, as well as AI APIs built directly into the OS. Basically, Arm hardware should no longer feel like an afterthought and developers should be able to tap into AI capabilities more easily.
While Microsoft is pushing the availability of more native Arm apps for Windows 11, it's hard to deny the importance of supporting older software. That's where the Prism emulator comes in. Microsoft claims it's around 20 percent faster than its previous emulator, and it also worked to improve the number of apps that it supports.
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What to expect from Microsoft Build 2024: The Surface event, Windows 11 and AISam Rutherford has been covering tech since 2013 when he started at Tom’s Guide and Laptop Mag. In 2017, he joined Gizmodo before moving to Engadget in 2022. He has reviewed hundreds of phones and laptops while also covering a wide range of other devices including VR headsets, cameras, cars and more.
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