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Thursday, 10 March 2005

New cpu running at < 1/2 speed

and I'm happy about it! I discovered it the other day, after reading about it on the Gentoo Forums. I just had to recompile my kernel with "ondemand" cpu frequency scaling support (that took all of 3 min :-D ). Now when I boot up my computer is running at 2.2 GHz, but as it becomes idle, the cpu frequency drops. First to 2GHz... then 1.8 ... then finally to 1GHz. The whole processes of getting down to 1GHz requires about 1 minute of constant idle time. Any activity and the frequency instantly shoots back up to full speed! :-)

My new cpu already ran very cool, but now it's even better, plus it's using/wasting less power. I love this cpu.

I assume Glass-Paned-Openings XtremelyPreposterous can do the same thing? Can anyone confirm?

Big walls

One of our clients at work has a satellite office in Beavercreek with 36" thick concrete walls. Needless to say, cell phones, radios, wlan are worthless inside this office. The door on the office is solid metal, at least 1' thick, and looks like it could be used to seal off a bank vault. All this crazy shielding was originally put there to accomodate a linear accelerator, but for some reason that plan never materialized. Now they use the room to do Nuclear imaging, but the concrete walls are completely unneeded for this, so they are just a hindrance. Anyway, our job today was to run cat5 into the concrete room to connect to a wireless ap on the outside. If the 36" walls weren't fun enough, there was 20' of ceiling that was drywall instead of removable ceiling tiles like everywhere else.
Yay happy joy.