20110511, 12:35  #1 
May 2010
Ontario, Canada
10000_{2} Posts 
Please rank Assignments by time/importance
Could somebody please rank below type of work based on:
 time required to finish single assignment  importance of assignment for the entire project World record tests Smallest available firsttime tests Doublecheck tests P1 factoring Trial factoring ECM factoring 100 million digit tests 
20110511, 14:52  #2  
1976 Toyota Corona years forever!
"Wayne"
Nov 2006
Saskatchewan, Canada
2·3·773 Posts 
Quote:
TF: anywhere from minutes for high exponents at low bit levels to 1 day for the lower exponents to higher bit levels ECM: Hours for ECM on small Mersennes; days to a couple weeks for larger Fermat numbers. P1: about 2 days in the current assigned ranges. Double Check: about 710 days in the current ranges Smallest LL and World Record LL are both in about the same ranges now: If you time it right and with a little luck you can still get exponents as low as 39M for Smallest and they must be at least 43M for Record but most LL assignment now are in the low 50 Millions: 40M would take about 3 weeks; 50M about 5 weeks. 100M digit: more than 1 year to complete. 

20110511, 15:05  #3  
1976 Toyota Corona years forever!
"Wayne"
Nov 2006
Saskatchewan, Canada
2×3×773 Posts 
Quote:
Some say "LL": The ultimate goal of this project is to find Mersenne Primes and only LL tests can do that. Some say "DC": A MP needs to be double checked (usually twice) to be sure it is a prime and to be sure what sequential position a MP holds ALL smaller exponents must be LL checked and double checked. DC tests are now several years behind the current LL range (i.e the 21st prime found in 2004 still has not been verified to be the 21st) You could make a case for TF or P1: The more exponents that can be eliminated with a factor found the less that have to undergo the relatively much long LL and DC test and the quicker we can move up the list. And, if money is important the next big prize is at the 100M digit level. So all work types have value. Therefore, in my humble opinion the most important is that you contribute in a way that you enjoy and learn. 

20110511, 15:48  #4  
"Brian"
Jul 2007
The Netherlands
7×467 Posts 
Quote:
With that in mind, you could possibly put "P1 (large)" at the top of the importance list. Beyond that, the question of importance is completely subjective as petrw1 explains, depending on how you rank the importance of breaking records, winning prizes, discovering a new Mersenne Prime, discovering the largest known prime, looking for a 100M digit prime, increasing the threshold below which the primeness or compositeness of all mersenne numbers is known, and (fully) factorising low mersenne numbers. 

20110511, 18:03  #6  
1976 Toyota Corona years forever!
"Wayne"
Nov 2006
Saskatchewan, Canada
11036_{8} Posts 
Quote:


20110512, 14:46  #7 
May 2010
Ontario, Canada
2^{4} Posts 
Thank you petrw1 and BrianE for your advices.
I released few assigned LL exponents (it looks like everybody wants to be famous ;) ) and manually assigned few P1. As per 'Status' from Prime95 it will take about 1.5 days to complete one P1. If that is The most helpful task to the project I will be doing a lot of those :)) Where I can suggest new feature for Prime95? I would like to see expected completion date (and time) on each line in Worker window. That way I do not have to do Test, Status every time I am wandering when test will be completed for current exponent. Or to have a check box in Options, Preferences to have it displayed or not if that takes too much CPU cycles. 
20110512, 16:42  #9 
1976 Toyota Corona years forever!
"Wayne"
Nov 2006
Saskatchewan, Canada
11036_{8} Posts 

20110513, 00:20  #10  
Dec 2010
Monticello
5×359 Posts 
Quote:
Menu titlebars are nice for the Windows version, but I have P95 running in text mode only on Linux, and also want the "expected time to complete workunit" there. 

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