20090116, 14:17  #1 
Jun 2003
7·167 Posts 
Can I cut an ECM assignment short?
I took this assignment from the server, out of curiosity as to how this type of work proceeds:
Code:
ECM2=6B2185CA275DF9CFED1B2B434D64A7AF,1,2,2233513,1,50000,5000000,150 I don't wish to do that many, but I do want the dozen or so I have done to be recorded. Can I safely edit worktodo.txt to do fewer curves without upsetting primenet? Last fiddled with by Mr. P1 on 20090116 at 14:18 
20090116, 14:37  #2 
Apr 2007
Spessart/Germany
242_{8} Posts 
Hello,
I never lowered the number of curves. I would unreserve the exponent, contact the server for it, and then exit prime95, add the line ECM2=1,2,2233513,1,50000,5000000,xx to the worktodo.txt and run prime95 again, contact the server again and you will get a new assignment. (Of course reset 'xx' with the number of curves you want to run). Best regards, Matthias 
20090116, 14:54  #3 
Jun 2003
7×167 Posts 
Cheers. I'll do that.

20090117, 15:00  #4 
Just call me Henry
"David"
Sep 2007
Liverpool (GMT/BST)
1011101101111_{2} Posts 
i expect you can
today i did some experimentation with tf assignments and i reduced the limit i was factoring to and it worked fine if you look on http://www.mersenne.org/workload/ then you will see that there is nothing that says how many curves you are doing or what you are tfing to 
20090117, 17:47  #5 
Apr 2007
Spessart/Germany
2×3^{4} Posts 
Hello,
I already did it with increasing the number of curves. That worked fine, too. The correct number of curves were reportet, the correct CPUcredit calculatet and the assignment was correct deletet after reporting the result. But as I said, I never decreased the number of curves before. If you had no problems with decreasing the tflimit I think this will work, too. As you said, the assignments only show the kind of works, but no tflimit, boundary or number of curves. I suspect that this information is not stored in the AID. best regards, Matthias 
20090120, 18:36  #6 
Jun 2003
7×167 Posts 
I just reduced the number of curves without unreserving. The result was credited on PrimeNet just fine.

20090219, 08:35  #7 
Dec 2007
Cleves, Germany
212_{16} Posts 
Einstein?
If anyone was wondering what would happen if you reduced the number of curves below the count that has been done already... see pic.

20090219, 15:05  #8  
"Richard B. Woods"
Aug 2002
Wisconsin USA
2^{2}·3·641 Posts 
Quote:
   (Interestingly, the first clue my employer had about the Pentium FDIV bug, shortly before public announcements reached us, was a report showing a negative elapsed time for processing an ATM transaction.) 

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