[cluster-l] best way to use Kill-A-Watt?

[Jim Phillips]

On Wed, 20 Jun 2007, Tim Skirvin wrote:

> "Christopher D. Clausen" <cclausen at uiuc.edu> writes:
>
>> As suggested at the workshop, I've purchased a Kill-A-Watt meter
>> (newegg.com sells them cheaper than thinkgeek.com)  What is the best way
>> to get an acurate reading?  And which numbers should I be concerned
>> with?  The VA number?
>
>        The VA number is probably your best bet, yes.

If you care about heat output, use Watts (power).  If you care about 
overloading circuits, use Amps (current).  If you care about overloading a 
UPS, use VA (Volts * Amps without power-factor correction).

>> What can I run to ensure that the CPU is running at full load?
>
>        'cpuburn' is a good choice.

Be sure to run one copy of cpuburn per *core*.

-Jim