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7762
digest 470 thanks Louis Verhaard for the survey. I summarize it as : current estimate = 10^29 years to solve E2. Not much progress on algorithms or optimization since
sterten@...
Apr 12, 2008
#7762
 
7761
Re: hopeless ... science at ... know, ... solution ... some ... maybe you can ask him about E2 now ?
guenter stertenbrink
Aug 6, 2007
#7761
 
7760
Re: Copyright Pieces ... manner ? ... protected ... protected... But any ... the ... copying ... kid ... it any ... you could xor-combine it with another copyrighted text, in which
guenter stertenbrink
Aug 6, 2007
#7760
 
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7759
Monckton now that EternityII is announced ,see _http://games.groups.yahoo.com/group/eternity_two/_ (http://games.groups.yahoo.com/group/eternity_two/) here is an
sterten@...
Jan 24, 2007
#7759
 
7758
important my email account has been hacked..plz kindly notify me if you get any mails that seems conspicuous 2u thanx tania Send free SMS to your Friends on Mobile from
tania dg
Dec 29, 2006
#7758
 
7757
[OOT] Second choice here is the link : double your money http://www.jt.suksesnet.com happy is everything : http://www.truehappy.suksesnet.com make new : http://egold.suksesnet.com
max_c08
Jul 5, 2005
#7757
 
7756
A problem This has absolutely nothing to do with Eternity, but I wonder if any of you can help me in solving the attached task or point me in the right direction of
    Steen Gro­e
    Dec 4, 2004
    #7756
    This message has attachments
    7755
    Re: sol #11 #12 + conclusions ... and thus (probably) also the best tilability. BTW. for symmetrical shapes take care that the solver avoids to redo symmetrical placements ... this
    sterten@...
    Sep 9, 2003
    #7755
     
    7754
    sol #11 #12 + conclusions Solutions #11 and #12 will bet the last ones computed by me, I will no longer study this puzzle. The last things I did were to test alternative endgame forms
      Dr. Dietmar Wolz
      Sep 8, 2003
      #7754
      This message has attachments
      7753
      #10 Perhaps 10 days / solution per 1GHZ was too pessimistic? There is still an open question: The theoretical solution rate computed with additional pieces is by
        Dr. Dietmar Wolz
        Aug 16, 2003
        #7753
        This message has attachments
        7752
        sol#9 It seems the solution rate of ca. 10 days/Ghz can be further confirmed. Was on vacation for some days and therefore spend no more than 2,5 days finding sol#9
          Dietmar Wolz
          Aug 15, 2003
          #7752
          This message has attachments
          7751
          Re: An alternate approach ... suppose, E. had slighly less tilable pieces , would you still claim that the method can solve E. ? I don't see, how the hardness of the pieces comes into
          sterten@...
          Aug 10, 2003
          #7751
           
          7750
          Re: An alternate approach ... mathematical representation of E ... ... Even though this group falls under the "programming language" category, I felt another approach to solving E. (in
          ericvs_2000
          Aug 10, 2003
          #7750
           
          7749
          Re: An alternate approach ... OK, I found that post in the archive. ... I don't think, this is a promising approach. You are probably losing information, if you encode E. this way. I'm
          sterten@...
          Aug 10, 2003
          #7749
           
          7748
          An alternate approach In mid-2000 I outlined my approach to solving Eternity - simultaneously solving my mathematical representation of the Eternity Puzzle. My approach broke down
          ericvs_2000
          Aug 9, 2003
          #7748
           
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          7747
          Re: sol#8 I didn't get this post. Found it on the webpage now. ... iterate until you get it below 1 sec. ! ... never say *always* ! You can watch how most algos converge
          sterten@...
          Aug 9, 2003
          #7747
           
          7746
          Re: sol#8 ... but I ... Time will show whether you are right. Of course you can parallelize the search, but this would be no algorithmical improvement. My feeling is we
          drdietmarwolz
          Aug 9, 2003
          #7746
           
          7745
          Re: sol#8 ... Absolutely. I believe that almost any non-trivial algo can be improved by orders of magnitude. Even now we might still find a trivial way to speed it up
          Patrick M Hamlyn
          Jul 29, 2003
          #7745
           
          7744
          Re: sol#8 ... been ... mathematical ... Dietmar: For me as a computer scientist it was an interesting challange to speed up an algo which needs more than a year down to
          drdietmarwolz
          Jul 29, 2003
          #7744
           
          7743
          Re: sol#8 ... ahh, yes sometimes I feel guilty for doing this. But IMO. it's not quite so meritless, you can apply what we learned to other tiling-problems and maybe
          sterten@...
          Jul 27, 2003
          #7743
           
          7742
          Re: sol#8 ... place. ... You are still interested in solving a puzzle which has already been solved by yourself and others, has little or no intrinsic mathematical merit
          Patrick M Hamlyn
          Jul 27, 2003
          #7742
           
          7741
          Re: sol#8 ... why ? ... how difficult were the pieces ? I don't remember. We found that indeed a lot depends on the pieces'-hardness. Just remove the best piece and
          sterten@...
          Jul 27, 2003
          #7741
           
          7740
          Re: sol#8 Nice going Dietmar. Only a few things left to do I reckon. 1. Find an Eternity solution with all the hint pieces in the right place. 2. Solve Brendan's
          Patrick M Hamlyn
          Jul 27, 2003
          #7740
           
          7739
          sol#8 Have confirmed sol#7 now and found another one. sol#7 was found during an batch evaluation of endgames using breadth 24000 up to depth 181 and full DFS from
          drdietmarwolz
          Jul 26, 2003
          #7739
           
          7738
          sol#7 found sol#7, but I need some time to reconstruct the run which found it. I built a batch tester for evaluating the new endgames generated from my new
          drdietmarwolz
          Jul 26, 2003
          #7738
           
          7737
          Re: New file uploaded to eternity OK I uploaded a compressed and tidied version of the file, so ignore the first upload msg u got. File EHEX16.TXT contains the pair-score table in text form.
          Patrick M Hamlyn
          Jul 14, 2003
          #7737
           
          7736
          New file uploaded to eternity Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the eternity group. File :
          eternity@yahoogroups.com
          Jul 14, 2003
          #7736
           
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          7735
          New file uploaded to eternity Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the eternity group. File :
          eternity@yahoogroups.com
          Jul 14, 2003
          #7735
           
          7734
          Re: few 208s for one 209 phenomenon ... right ... You need N-way hardness scoring. Tile a small shape, and keep a huge array of scores for pairs, triples, quadruples,... every combination of
          Patrick M Hamlyn
          Jul 14, 2003
          #7734
           
          7733
          Re: few 208s for one 209 phenomenon ... Since Guenters algo didn't finish this night, the factor is 1000 or more. My explanation is that my 11-path-table and the most-constraint-position-first
          drdietmarwolz
          Jul 11, 2003
          #7733
           
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