Re: Re: Are all cores unlocked?

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On Sep 22, 2010, JD <jd1008@xxxxxxxxx> wrote: 

On my notebook, which has an old 2.2 GHz athlon65 uniicore (3700+),
cpuinfo shows cpu MHz as 798.103

OK

Does that mean that as I am typing this message, the cpu is running
at only 790MHz??

Approximately, yes. Your machine is also not discharging its battery quite so fast, nor is it generating more heat unnecessarily for the modest level of CPU activity you are now requesting of the machine.

How an I speed it up?

Ask the CPU to do more work. Recalculate a large spreadsheet. Spell-check a long document. Do a database lookup. Better yet, do them all at the same time. If your bandwidth, as opposed to the machine's, isn't interested in all that excitement, but you still want to exercise the processor more, find some program to run in the background while you do less compute-intensive tasks. For example, you could join the folding@home project:

http://en.wikipedia.org/wiki/Folding@home 

Or you could just be content that your computer knows how to run in an idle mode instead of racing around at top speed when it doesn't have anything to compute at the moment (which is most of the time, usually).

One of the larger challenges of contemporary computer science is to figure out how to use, most efficiently and effectively, the multiple processor resources now more commonly available. Software has to be made aware of how to best use the newer hardware, and this is a non-trivial task.


Ken
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