AMD's next-gen Zen 6 CPUs will adopt Intel's 'FRED' interrupt handling and could be a major architectural leap

Just bear in mind that Intel's Panther Lake has a bit of FRED, too.

AMD's Zen 6 will adopt Intel's FRED to modernize x86 interrupt handling

Every time a computer receives a network packet, completes a disk write, or a user moves the mouse, the processor handles an event known as an ...
ZDNet

Linus Torvalds on how AMD and Intel are changing how processor interrupts are handled

AMD was the first to come out with its proposed changes in February 2021: AMD Supervisor Entry Extensions. Intel followed in March with its flexible return and event delivery (FRED) design. What ...
EDN

One accelerometer interrupt pin for both wakeup and non-motion detection

Handheld devices including smartphones and Tablet PCs have touch screens and many buttons for different functions. In order to save battery power, if the screen is not touched or the button is not ...
Embedded

The definitive guide to ARM Cortex-M0/M0+: Wake-up operation

When a WFI instruction is executed or when the processor enters sleep mode using the Sleep-On-Exit feature, the processor stops instruction execution and wakes up when an (higher priority) interrupt ...