On Mon, 3 Jan 2000, Sandy Harris wrote:
>I'd like to search for Mersenne primes on my SMP Linux box. Info on
>the search is at:
>
>http://www.mersenne.org/prime.htm
>
>I'd like to run one copy of the search code in such a way that it
>monopolises one CPU, in hopes it will succeed relatively quickly.
>Is there a way to do that?
from the readme.txt:
"-An This is used to run two or more copies of mprime
from the same directory. Using this command line argument
causes mprime to use a different set of filenames for the
INI files, the results file, the log file, and the spool
file.
Just use a different value of n for each extra copy of
mprime you start."
>
>I'd also like to run a second copy at low priority, set up so it will
>not interfere with either the primary prime searcher or anything else
>I want to do with the machine.
from the readme.txt:
"These command line arguments can be used to schedule mprime to
run only at certain times of the day or at a different priority. Note
that raising the program's priority will not make it run any faster
on an idle machine."
>
>I'm assuming here that there's no multi-threading in the search code,
>that it would not be useful to try and run one search using both CPUs.
>Is that accurate?
yes, this is true.
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