20140908, 15:04  #1 
Apr 2007
Spessart/Germany
2·3^{4} Posts 
Wrong count at the ECM status page
today I finished and reportet >5000 curves stage 1 (stage 2 will be done with GMPECM) with B1=44e6 for each of the 4 exponents (2621, 2633, 2659, 2663).
http://www.mersenne.org/results/?exp...2700&limit=100 At my accounts resultpage everything is ok, but on the ECM status page were added only ~3000 curves @ 11e6: http://www.mersenne.org/report_ecm/?...ecmnof_hi=2680 
20140908, 16:32  #2 
"Curtis"
Feb 2005
Riverside, CA
2^{3}×3×5×43 Posts 
It's pretty rare to find a factor in stage 1 ECM for numbers already trialfactored; until you run stage 2 on these curves, you haven't really contributed ECM.

20140908, 17:44  #3 
Apr 2007
Spessart/Germany
162_{10} Posts 
hmmmm
as long as I did ECM on Mersenne numbers the GIMPS status page countet only the stages 1 of the curves. And as I said all stages 2 will be done with GMPECM (with B2~1000*B1 instead of only 100*B1, but only 1.5 times as long as with prime95). If I find a factor with those stages 2 you can be sure, you will hear from it . But if 20k+ curves say 'no factor' I don't post the GMPECM files... The status page is only a help to decide which B1 is the best atm for a number. If the number shown there is to low, the next one who want to run ECMcurves on that number will choose a B1 to small. 
20140908, 18:39  #4 
"Victor de Hollander"
Aug 2011
the Netherlands
2^{3}·3·7^{2} Posts 
The server did what it is supposed to do, you only uploaded the stage 1 results, so it calculates the probabilities based on that.
Why don't you report stage 2 results to the server? 
20140908, 20:51  #5  
P90 years forever!
Aug 2002
Yeehaw, FL
7776_{10} Posts 
Quote:
When you finish B2 and report the 5000 curves B1=44e6, B2=lots*B1 then the server will again figure out the number of equivalent curves at B2=100*B1. Note that this will "double count" the curves curves you just reported. This error in the table is not of great consequence. At worst someone might start doing curves at B1=110e6 at little earlier than optimal  no big deal. 

20140908, 21:45  #6  
Apr 2007
Spessart/Germany
2×3^{4} Posts 
Because it is not possible.
Just for fun I tried to post my latest result file of one GMPECMworker (~600 kB, ~600 results stage 2, to the manual results page of GIMPS, result: Quote:
Just an example of the file: Code:
Resuming ECM residue saved with Prime95 Input number is 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digits) Using B1=1, B2=4400000062879096296, polynomial Dickson(12), sigma=1536107296100755 Step 1 took 0ms Step 2 took 92570ms addition: I read Prime95's answer in the preview of my post: The calculation is much clearer now, thank you. But how I have to post the stages 2 which I did with GMPECM ? Last fiddled with by MatWurS530113 on 20140908 at 21:47 Reason: changed 'QUOTE' to 'CODE' 

20140908, 22:16  #7 
P90 years forever!
Aug 2002
Yeehaw, FL
2^{5}×3^{5} Posts 
Does GMPECM post a summary at the end that totals the number of curves and the bounds? If so, we can get James to upgrade the manual results page.
If we cannot do that, then email the summary to me and your primenet userid and I can enter them into the manual results form under your userid. I make it look like the results come from prime95. The checksum won't be right, but the web form let's me bypass the checksum. I've done this for others. Fortunately, there aren't many doing the GMPECM thing. 
20140908, 23:57  #8  
Apr 2007
Spessart/Germany
2×3^{4} Posts 
Quote:
I remember that you already did this one time for me some years ago, but in this case it is not necessary. I will pm James about this problem with some ideas for solution the next days. I'm sure we will find one. Thanks for your time 

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