Tijl Kindt wrote:

> * Does anybody know how much more energy would be consumed by running 
> Prime95 10 hours a day and on all workdays on 130 computers*
>
Depends on, if the systems are on anyway, there will be no noticeable 
difference. If they are switched on just to run prime95, whilst they 
would otherwise be off, it is simply the Watts written on the back of 
the computer times the amount of hours the computer is on.

> * (would it be noticed on the electricity bill). And is there any risk 
> for viruses?*
>
No, the communication protocol does not allow anything being send other 
than exponents, primes, factors and completion dates.

> * It's because I'm trying to promote the program in my faculty of 
> Science in Engineering, but they aren't really convinced. Also because 
> they say there could be conflicts with dll's, different versions, 
> 'experiments' of students and so on... Also they aren't convinced that 
> the program will never hinder the normal work of students on the 
> computers.*
>
The dll's remain in the directory of prime95.

> **
>
> * So any help and hints to get them install the program on those 130 
> PC's would be welcome.*
>
Everyone overlooking that many computers will naturally hold off 
anything that is not absolutly neccessary.

> **
>
http://www.mersenne.org/links.htm#studies provides some excellent data 
you could use. Usually it is not about using arguments. Try to get them 
used to it by running it with their OK on only two systems first. Write 
a report on that after a couple of weeks, and then increase the number 
of machines.

YotN,

Henk

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