mersenneforum.org Getting a new Prime to calculate
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 2008-12-16, 16:16 #1 roemer2201   Dec 2008 127.0.0.1 E16 Posts Getting a new Prime to calculate Hello :-) I got a PC with a AMD Athlon 1200+ and he recived a relativly huge prime to calculate. One iteration to about 0.405 seconds, if the PC runs 24/7 it would take 219 days... I think it would be better if my CPU calculates a smaller number. So I want to know how i can stop calculating the current number and recive a new smaller one without deleting the worktodo.ini. And maybe i can recive the GHZ-days for the calculating so far. How can i do that? Last fiddled with by roemer2201 on 2008-12-16 at 16:16
2008-12-16, 18:15   #2
petrw1
1976 Toyota Corona years forever!

"Wayne"
Nov 2006

32×5×103 Posts

Quote:
 I got a PC with a AMD Athlon 1200+ and he recived a relativly huge prime to calculate. One iteration to about 0.405 seconds, if the PC runs 24/7 it would take 219 days...
If you do not specify otherwise you will get LL tests on a PC like yours that will probably take that long.

Quote:
 I think it would be better if my CPU calculates a smaller number.
You can specifically request Double Checks ... they will probably take about 1/4 as long. Or any of the several types of factoring assignments which would finish in hours or days.
Code:
Test...
Worker Windows...
Type of Work to get
Quote:
 So I want to know how i can stop calculating the current number and recive a new smaller one without deleting the worktodo.ini. And maybe i can recive the GHZ-days for the calculating so far. How can i do that?
Code:
Advanced...
Unreserve Exponent...
Partial credit is NOT awarded. The assignment must complete.

2008-12-20, 16:12   #3
Mr. P-1

Jun 2003

100100100012 Posts

Quote:
 Originally Posted by roemer2201 Hello :-) I got a PC with a AMD Athlon 1200+ and he recived a relativly huge prime to calculate. One iteration to about 0.405 seconds, if the PC runs 24/7 it would take 219 days... I think it would be better if my CPU calculates a smaller number. So I want to know how i can stop calculating the current number and recive a new smaller one without deleting the worktodo.ini. And maybe i can recive the GHZ-days for the calculating so far. How can i do that?
What work are you actually doing on it currently? First-time LL tests usually require P-1 factoring, and may also require some trial factoring prior to starting the LL test proper. This preliminary work takes a few hours or days and you will get credit if you finish it.

If you have started the LL test proper, and you do not complete it then the only way to save the work you have done so far would be to find someone else willing to take it on, and send them the save files. They, not you, would then get the credit for the work you did.

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