Linked by Thom Holwerda on Wed 28th Nov 2012 15:17 UTC
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Member since:
2006-02-15
The kernel simply wasn't designed for multi-core systems as at the time such systems were first and foremost high-end devices and the situation was not anticipated to change. If you think back to those times people and companies were entirely focused on megahertz - race -- including Intel and AMD -- and people just assumed we'd be running into hundreds of gigahertz on a single core.
There are various kinds of fixes to make XP run slightly better on dual-core systems, but even these do not really fully fix the situation and XP's kernel still suffers a serious penalty on three cores or more.