2001: I am sure that people are getting tired of hearing about multithreading, symmetrical multiprocessing, memory management, and preemptive multitasking. How is it really going to affect you, the Macintosh user, under Mac OS X, when you just want to read Low End Mac, check your email, and write a document.
A unique feature of the SuperMac S900 and S910 is their second processor slot. This slot accepts a proprietary CPU card and allows these machines to function as dual-processor computers without the need to remove the primary CPU and the expense of a dual-processor card.
How an application runs, and what gains in speed may be seen on a multi-processor (MP) Mac OS computer, can be confusing. Understanding a little of how multi-processing works with software applications will help you properly set your expectations when selecting applications designed for MP and begin using them.
This article was written in 1999, the days of the Classic Mac OS (then at version 8.5), which was designed for a single CPU – and the G3 was then bleeding edge. We now have OS X, which supports multiple CPUs, CPU cores, and hyperthreading, but some of the problems discussed in this article remain […]