We’re not sure if everyone remembers it, but back in June 2021, Microsoft actually announced ARM64EC for its new Windows 11 operating system.
The Redmond tech giant describes ARM64EC as a new way to speed up your existing x64 applications with the native performance you expect on ARM.
Keep in mind that Microsoft specifies that this is possible even if you use plugins and dependencies that don't yet support the architecture.
Now, a little over a year after its initial release, ARM64EC is now fully supported by Windows 11, the latest operating system designed by Microsoft.
And, since we’re talking about Windows 11 emulation, know that Parallels Desktop 18 brings a lot of gaming and other improvements.
In case you might not know what the abbreviation means, the EC in the name is actually Emulation Compatible, which is really self-explanatory.
As Microsoft puts it, the general idea here is to provide an Application Binary Interface (ABI) that allows developers to build applications using x64 and ARM code.
Digging deeper into the topic, this means that ARM code will run natively on Windows 11 on ARM devices, while x64-specific code will run through emulation.
Needless to say, this is actually a major milestone for ARM-based Windows 11, as it is the only supported Microsoft operating system with x64 emulation, which is the backbone of ARM64EC.
The ARM64EC ABI differs from the existing ARM64 ABI by making it binary compatible with x64 code.
Specifically, the ARM64EC ABI follows x64 software conventions, including calling conventions, stack usage, and data alignment, making ARM64EC and x64 interoperable. Applications built as ARM64EC may contain x64 code, but are not required to because ARM64EC is its own complete, first-class Windows ABI.
After completing all the work on the project, the tech giant now believes ABI is stable enough to transition from the experimental phase to a full release.
In addition, ARM64EC brings some major benefits to developers, who can now update their code and run both x64 and ARM features simultaneously, rather than ensuring that their entire code base is ARM compatible.
On Windows on ARM devices, the latter will have better performance, which means you actually have to keep updating your code base to improve native ARM performance without losing anything in the process Function.
You wouldn't think this would work without any prerequisites, would you? Yes, there are some prerequisites for this to actually work, they are:
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