Quote:
Originally Posted by Mrs Beanbag
How about just introducing support for more than one hardware thread, either by hyperthreading or dual-core. Instructions to support this could be supervisor-mode only so not affecting most developers (at least not OS-friendly ones!) An operating system patch would be required to take advantage of it, but then all existing software can benefit from improved multitasking performance.
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You require a lot more than a few instructions and a simple system patch to do that !
What you are asking for here is called SMP and the OS is simply not adapted to this.