> 2 (since madpoo stopped) mersenne participant ( that I know of at the
> moment) are doing exactly what you are suggesting. Every night one of my
> computer ask for 7 days of double-checking work. Every morning I
> redistribute small exponnent to my other computers and release
> any exponent
> that are over a certain limit (2,025,000 at the moment). When my
> computer as
> not enough work queued I just raise my limit.
>
> That way I know that exponent are done in a timely manner and
> they won't be
> re-re-assign to someone who is going to "sit on it".
>
> of course it's alot of monitoring:)
>
> David Campeau
>
> P.S: Hope no one (akruppa, madpoo?) got mad because they could never get
> those realy small exponent :)
Actually, I'm team madpoo (I changed names after the problem last year...to
avoid some attention if you know what I mean).
I had some curious behaviour on some machines...I had built about 20 or so
P-166's for a test lab and they got a whole bunch of double-checks, but then
people started nabbing our test machines for real use and I went in and
unreserved them since they were going to rebuild the machines...well, a few
machines didn't get rebuilt and were still working on the original
exponents...whoops! I think those are worked out of their systems now
though (it's been a few months).
I was trying to be nice and unassign them rather than wait for the
completion_time+60_days to expire before they were returned to the pool...so
I guess some numbers were triple-checked? I hate when that happens.
Strangely enough, I had a similar experience with US WEST. The moment I was
walked out the door over a year ago, I knew they would just stop the service
on each machine so I unreserved every exponent I had checked out (there were
a lot ya know :-)
But even months later, those silly US WEST people had apparently missed some
machines since I caught at least 2 that kept on running, checking in/out
exponents. Sheesh. I guess they eventually found them since I knew they
must have been monitoring my prime stats page... But that's another big
reason I changed my account name...to keep those darn machines from
bothering me. I even considered writing an email to someone there to let
them know what was happening, but I could just imagine it: "How do you know
some machines are still running the program? You must be hacking in!" Doh!
Don't need that! :-(
Aaron
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