Author: Jeremiah Penery
Date: 06:36:24 02/20/03
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Prime95 is a real-world application. It does very intense mathematical calculation, testing several-million-digit numbers for primality. I don't believe there's another program that will detect CPU problems faster. I overclocked my CPU for a while, and it appeared to be completely stable. I could run Crafty for days with no problems, and I never had a crash or bug in any other application. I ran Prime95 for a while, where a calculation error was soon detected. Of course, when I clocked back to the normal level, the error went away. I was running at somewhere near the maximum rated speed for that particular core, which had about zero headroom to begin with, so the errors weren't all that surprising to me. Had I bought a slower chip, I could have overclocked it to the speed of my current chip very safely, as the core obviously has the ability to run at that speed. Overclocking becomes particularly unsafe when one tries to run at a speed above the normal ability of the core. Otherwise, it's not much more than what the manufacturers do by taking chips from the same silicon wafer and splitting them into different CPU speed bins, as those chips should be theoretically _identical_.
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