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From: | Nick Payne |
Subject: | Comparison of build times |
Date: | Sat, 28 Nov 2009 11:56:59 +1100 |
User-agent: | Thunderbird 2.0.0.23 (X11/20090817) |
HP machine build time: 617 seconds New machine with all BIOS settings at auto: 240 secondsNew machine with BIOS Bclk setting raised from 133MHz to 160MHz (this raises the CPU clock speed from 2.66GHz to 3.2GHz): 193 seconds New machine with BIOS Bclk setting raised to 180MHz (this raises the CPU clock speed to 3.6GHz): 182 seconds
I kept the RAM speed the same as I changed the CPU clock, so it looks like there is pretty much a direct inverse relationship between build time and CPU clock, with RAM and hard disk not really coming into the equation unless you don't have enough RAM. Also, at the highest CPU clock the 920 is actually running faster than the most expensive i7 CPU does at its stock speed, at about 1/3 the price, and I ran mprime on it overnight to check stability at that speed without finding any problem.
Nick
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