quake3 stutter on a dual core system

I re-installed quake 3: arena on my system. It’s been a while since I’d played it. I’ve lost a lot of skill that I used to have at the game. I seem to have gained others, but it would take a while, if I wanted to get back to it. Anyway, the point of this post is that on my new system, the game was stuttering every couple seconds. Very regular, predictable.

Turns out, you have to force the game to use just one processor core. You can either set the affinity manually in the process list in task manager, or you can just tell windows to run it as though it were a win95 application (right click on quake3.exe, select properties. Click the compatibility tab, click the check box for “Run this program in compatibility mode” and select Windows 95.) That will ensure that q3a is only allowed to run on one core. Fixed the problem nicely.

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