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Database of All Completed and Ongoing *find Searches

For discussion of specific patterns or specific families of patterns, both newly-discovered and well-known.

Re: Database of All Completed and Ongoing *find Searches

Postby AforAmpere » February 21st, 2019, 10:27 pm

Sokwe wrote:I would generally recommend running gutter searches before asymmetric searches. If the gutter search finds nothing, then it also eliminates an asymmetric ship of that width.

I know that gutter essentially also runs asymmetric, but I prefer to do asymmetric first as it is generally a lot shorter, and I can get that bit out of the way first, even though it is unnecessary.
Things to work on:
- Find a (7,1)c/8 ship in a Non-totalistic rule (someone please search the rules)
- Find a C/10 in JustFriends
- Find a C/10 in Day and Night
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Re: Database of All Completed and Ongoing *find Searches

Postby 2718281828 » February 22nd, 2019, 1:06 pm

Reporting negative result for 2c/7 width 21, using zfind3.
Best partial is rather long (length 90):
x = 224, y = 90, rule = B3/S23
10bo25bo5bo16bo9bo12bo11bo10bo13bo10bo13bo18bo24bo24bo$10bo24b2o5b2o
15bo9bo11bobo9bobo9bo13bo10bo13bo18bo24bo24bo$9bobo22bo2bo3bo2bo13bobo
7bobo13bo7bo11bobo11bobo8bobo5bo5bobo16bobo22bobo22bobo$5bo4bo4bo19b3o
bob3o15bo9bo10bo3b2o5b2o3bo8bo5b3o5bo10bo5b3o5bo18bo24bo24bo$3b2obo3bo
3bob2o15bob2o2bo2b2obo13bo9bo9bobo13bobo7bo5b3o5bo10bo4b2ob2o4bo18bo
24bo24bo$3b2o2bo5bo2b2o13b2obo4bo4bob2o10b3o7b3o11bo11bo9bo5bo3bo5bo8b
o5b2ob2o5bo16b3o22b3o$5bo2bo3bo2bo21b2ob2o15b2ob2o5b2ob2o9b2ob2o5b2ob
2o13bo5bo16b2o2bobo2b2o13b4o2bobo2b4o15b2ob2o19b3ob3o$5bo2bo3bo2bo14bo
6bo3bo6bo9bobo7bobo12bo9bo9b3o2bo2bobo2bo2b3o6b2o2b2ob5ob2o2b2o8bo2b2o
2bobo2b2o2bo11b2o2bobo2b2o15bo2bobo2bo$6b2o5b2o42bo2bo7bo2bo32bob2obo
5bob2obo12b2o5b2o16bo9bo14bo3bobo3bo15bob2ob2obo$3bob2o7b2obo13bo6bobo
6bo9b4obo3bob4o12b3o3b3o10b2ob2o3bobo3b2ob2o12bo5bo19bo5bo15bobobo3bob
obo14b2o5b2o$2bo2bo9bo2bo20bo18bob2obobob2obo12b2ob2ob2ob2o9b2obo3b2ob
2o3bob2o11b2o5b2o13bo3b3o3b3o3bo8b3o11b3o12b2o5b2o$3bo3bo5bo3bo18b2o3b
2o15bo2bobobobo2bo11bobobobobobobo8b3o4b2ob2o4b3o9bo11bo10b5o2bo3bo2b
5o6bo17bo10b3o5b3o$32bo4bo3bo4bo9bobo3b2ob2o3bobo8b2obobobobobob2o39b
2ob2o13bo3b2o2b2ob2o2b2o3bo5bo2b2o9b2o2bo10bo9bo$5bobo5bobo16b4o7b4o
10bobo9bobo9b2obobo3bobob2o12b2o5b2o14bo3b2ob2o3bo9bob2o4b2ob2o4b2obo
9bo9bo12b3o9b3o$6bo7bo16bo15bo9b3o2bo3bo2b3o12bobo3bobo16b2o3b2o17bob
2ob2obo12b3o4b2ob2o4b3o7b2o13b2o8bo2bo3bobo3bo2bo$31bo3b2o5b2o3bo11b4o
3b4o11bo2b2o2bo2b2o2bo8bo4b3ob3o4bo13bo5bo14bo15bo7bo17bo8b2o2b2o3b2o
2b2o$4bo11bo14bo2bo9bo2bo14bo3bo13bo4bo5bo4bo8bo5bobo5bo17bo19bo3bo3bo
3bo9bobo13bobo13bobobo$3b3o9b3o15bo11bo34bo4bo5bo4bo10bo9bo17bo3bo18b
3o5b3o9b2ob2o4b3o4b2ob2o9b3obobob3o$3b2o2bo5bo2b2o17bo7bo14bo11bo9b5o
7b5o13b2ob2o14bo4bo5bo4bo12b3o5b3o12bob2o7b2obo16bobo$4b2ob2o3b2ob2o
17b2o7b2o13b2o9b2o8b3o2b2o5b2o2b3o8b2o3bobo3b2o8b2ob2o2b2obob2o2b2ob2o
31bo2b4o5b4o2bo9bo3b2ob2o3bo$5bo2bo3bo2bo17bo11bo11bob2o7b2obo7b3o13b
3o8b2o9b2o9bo3b3o5b3o3bo14b2ob2o13b2o4bo5bo4b2o9bo2bob3obo2bo$6bo7bo
17bo13bo11bobo7bobo9bo15bo8bo13bo8bo3b2obo3bob2o3bo12bo7bo11bobobo3bob
o3bobobo8bob3o5b3obo$6b3o3b3o16b2ob2o7b2ob2o14bo3bo12b2ob2o9b2ob2o9bo
9bo11bo3b2obobob2o3bo13bo2bobo2bo13b3o9b3o9bob3o7b3obo$7bobobobo24b3o
19b2o5b2o10b2ob2o9b2ob2o6b2o13b2o10b2ob2o3b2ob2o12b4o7b4o8b2o2bo9bo2b
2o8bob2o7b2obo$33bo4bobo4bo34bo15bo11b3o3b3o14bobo7bobo11b2ob2o2bobo2b
2ob2o6b2o4bob5obo4b2o5b3ob2o7b2ob3o$7bo5bo21b2o5b2o15bo9bo39bo5bo13b3o
11b3o38bo7bo11b3obo9bob3o$7b3ob3o20b3o5b3o13bob2o5b2obo11b2o9b2o10b2o
11b2o8b2o4b7o4b2o10bobob2ob2obobo13bo4bo4bo12bobo9bobo$9bobo22b5ob5o
13bo2b2o3b2o2bo11bob2o5b2obo9bo2b3ob3ob3o2bo7b2obo4b3o4bob2o10b2o9b2o
12b3o3bo3b3o9b3ob2o7b2ob3o$6b2obobob2o20bob2ob2obo14b3obo3bob3o10bo3bo
5bo3bo9bobo2b2ob2o2bobo9b2obo4bo4bob2o10bo2bo7bo2bo11bo5bo5bo8b2o3bobo
5bobo3b2o$9bobo22b2o7b2o37bo3bo3bo3bo15b2ob2o17bo2bo3bo2bo12b3o11b3o9b
3o9b3o7b3o4bo5bo4b3o$36b3ob3o14b3o9b3o12bo7bo12b3o9b3o15bo3bo15bo2b2o
7b2o2bo12bo7bo12b2o3bo5bo3b2o$8bobobo24b2ob2o14bo15bo11bo7bo12b3o9b3o
15bo3bo15b2ob2ob2ob2ob2ob2o34bo3bo5bo3bo$4b4o5b4o15b3obo5bob3o9b5o2bob
o2b5o10b2ob2ob2ob2o12bo11bo9b3o13b3o8b2o4b2ob2o4b2o11bobo5bobo13bo2bo
5bo2bo$3bo2bo2bobo2bo2bo14b2ob4ob4ob2o11bo3b2ob2o3bo12b2ob2ob2ob2o34b
3o2b3o3b3o2b3o10bo4bobo4bo14b3o3b3o14b2obo5bob2o$2bobo4bobo4bobo14b3o
2bobo2b3o15bobobobo17bo5bo15b3o5b3o12bo4bo3bo4bo13bo3bobo3bo14bo3bobo
3bo$bo2bo4bobo4bo2bo14bo2b2ob2o2bo15b2obobob2o12bo2b9o2bo10bob2o5b2obo
16bo3bo15b3o3bo3bo3b3o7b2o15b2o14bobo$bo8bo8bo18bobo18bobobobobobo11bo
bo4bo4bobo9bo3bo5bo3bo11bo3bo3bo3bo10bo2b2o9b2o2bo6bobo3bobobobo3bobo
11b2obobob2o$bo3b3o5b3o3bo12b2o2bobobobo2b2o11bo11bo11bo2bo5bo2bo12b2o
7b2o11bob2obo5bob2obo8bo3bo9bo3bo6bobob2o2bobo2b2obobo12bobobobo$2bo2b
obobobobobo2bo14bo4bobo4bo14b2o5b2o16b7o16b2obobob2o12bo3b2o5b2o3bo9b
2o5b3o5b2o12b2obobob2o18b2ob2o$2bo15bo12b2o3b2o3b2o3b2o32b2o13b2o11b3o
bob3o14b2o2bo3bo2b2o11bob2o2bo3bo2b2obo8bobo4bobo4bobo$3bobo9bobo13b2o
bo9bob2o11bo9bo9b4o3bo3bo3b4o8bo4bobo4bo13bo2bo3bo2bo11b5o2bo3bo2b5o6b
2ob4obobob4ob2o14b3o$3bobo9bobo12bo3bo9bo3bo9bob2o5b2obo7b3obo3bo3bo3b
ob3o7bo2b2obob2o2bo35bo6bo3bo6bo6bo5bobobobo5bo10b4o3b4o$5bob2o3b2obo
15bobo11bobo9b2ob2o5b2ob2o14b2ob2o15bo2b2o3b2o2bo14b3o3b3o12b2o6bobo6b
2o5b2ob2o2bobobobo2b2ob2o9bobobobobobo$4b2o9b2o15bo13bo11bo3b5o3bo16bo
bo18bo2bobo2bo16bob2ob2obo13bob2o9b2obo8b2o5bobo5b2o13b3ob3o$4bo2bo5bo
2bo15b5o5b5o12b4o3b4o10b2o3bobobobo3b2o8b2o2bobobobo2b2o8b3o2bobo3bobo
2b3o9b2obobo3bobob2o9b2obo3bobo3bob2o10b2o2b5o2b2o$31b3o11b3o7b2o6bobo
6b2o6b2obobobobobobob2o7b7o3b7o6bobobo3bo3bo3bobobo7bo6bobo6bo8b2ob2o
2bobo2b2ob2o13bo5bo$2b2o13b2o11bo4bo7bo4bo6b4o4bobo4b4o7b2o11b2o7bo17b
o6bo2bob3obob3obo2bo14bobobo12b2o3bo9bo3b2o8b2ob2obob2ob2o$b2ob2obo5bo
b2ob2o11b2obo9bob2o15bobo16bobo7bobo7bob4o9b4obo9bo4bo4bo14b2ob7ob2o8b
3o2b2o3bo3b2o2b3o11bo2bo2bo$2b4o9b4o12bo2b2o7b2o2bo9bo5bobo5bo9bo2bo7b
o2bo7b2ob2o9b2ob2o8bo6bo6bo11bobo3bobo3bobo12b2o3bo3b2o14b2o7b2o$4b3o
7b3o15bo13bo11bo11bo9b3o2bobobobo2b3o9bo11bo12bo5bo5bo11b3o3b2ob2o3b3o
11bo2bo3bo2bo15bobo3bobo$5bo2bo3bo2bo16bo3bo5bo3bo12b3obobob3o38b3o3b
3o11b3o6bo6b3o7b3o3bobobobo3b3o6b3o3bobobobo3b3o12bo5bo$5b5ob5o21bo3bo
18bo2bobo2bo41bo3bo13bob2o5bo5b2obo8bo3b3o3b3o3bo8bo15bo11bobo5bobo$5b
o3bobo3bo14b2ob2obo5bob2ob2o6b3o5b3o5b3o30bo6b3o6bo7bo17bo35bo4b3o4bo
13b2ob5ob2o$4b2o2bo3bo2b2o12bo2b3ob7ob3o2bo5b2o4b2o3b2o4b2o105b3o2b3o
3b3o2b3o12b2o3b2o$3b2o11b2o11bob2o3b2o3b2o3b2obo6b2o3b2obob2o3b2o138bo
3bo$4bo2bo5bo2bo13b3o13b3o160bo7bo$3bo4bo3bo4bo13b2o3bo5bo3b2o160b4o3b
4o$3bo5bobo5bo15b2o2b5o2b2o$2bob3obo3bob3obo13b3o9b3o161b4o3b4o$bo3b2o
7b2o3bo12b3o9b3o160b2o4bo4b2o$b3o2b2o5b2o2b3o10bo5bo5bo5bo161bobobobo$
4b2o9b2o14bo3bobo3bobo3bo161bo7bo$5b2obo3bob2o15bo3bo2bobo2bo3bo157b5o
7b5o$5b2o7b2o18bobobobobobo159bob3o9b3obo$6b2o5b2o191bo2b2o2bo2b2o2bo$
8bo3bo21b2o7b2o158b3o15b3o$7bobobobo21bo7bo164bo9bo$7bo5bo18bo3bo5bo3b
o158bobob2o5b2obobo$36b2o3b2o161b6obo3bob6o$5b3o5b3o15b2obobo5bobob2o
155bo2bo3b2obob2o3bo2bo$4bo11bo15bo13bo158b2o5bobo5b2o$3b7ob7o16bobo5b
obo158bo2bo2b3obob3o2bo2bo$3bob3o2bo2b3obo186bo3b4o3b4o3bo$5bobobobobo
bo$3b2o3b2ob2o3b2o$2bo6b3o6bo$b2o15b2o$2bobo11bobo$2b2o6bo6b2o$3bo5bob
o5bo$4b2o2bo3bo2b2o$b2ob2o2bobobo2b2ob2o$b2o3bobo3bobo3b2o$b3ob2o2b3o
2b2ob3o$2o3bo3b3o3bo3b2o$6bo3bo3bo$4bo3bo3bo3bo$2bo5bo3bo5bo$b3ob2o7b
2ob3o$bo7b3o7bo!

But there are multiple suitable front ends that might give a ship at width 23.
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Re: Database of All Completed and Ongoing *find Searches

Postby Sokwe » February 24th, 2019, 1:30 am

2718281828 wrote:Reporting negative result for 2c/7 width 21, using zfind3.

That's disappointing. I had high hopes for that search. How long did it take? Are you going to run the width-23 gutter search?

By the way, I've been trying to search for a width-19 symmetric c/8 orthogonal ship with qfind. My search has been running for I think about 4 months now (using 7 threads) and has only reached a depth of 40 which corresponds to 5 complete rows. I don't expect this to find a ship any time soon, so my plan is to take the latest dump file and extend all width-19 partials at width 17. Tim Coe did this for c/6 ships with moderate success. However, I don't plan on doing this immediately. Here is the latest dump file from the search if anyone wants to play around with it:
p8-k1-w10-u-dump.txt
(219.4 KiB) Downloaded 25 times


I am also running the width-17 search with a fixed deepening amount of 16 and saving at each new depth. Then for each depth I can add a few width-19 rows and then reduce back down to width-17.

Another possibility is to run the width-19 gutter search and then switch to a width-17 symmetric (non-gutter) search, but I won't try this until I've finished trying the two previous ideas.
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Re: Database of All Completed and Ongoing *find Searches

Postby 2718281828 » February 24th, 2019, 12:48 pm

Sokwe wrote:
2718281828 wrote:Reporting negative result for 2c/7 width 21, using zfind3.

That's disappointing. I had high hopes for that search. How long did it take? Are you going to run the width-23 gutter search?

Calculations: 48716330456539
CPU time: 1256952.420226 seconds

So about two weeks. The general problem with ntzfind is the high memory usage, I had to play around quite a lot to get this search to run. Unfortunately I did not get it work for gutter symmetric ships. Still, I started a width-23-gutter search using knight2. My experience for medium-sized (logical width around 8) is that zfind is faster than knight2 which is faster than gfind. So I expect this search to take more time, approx. 1-2 months.
However don't have a lot hope as the width-21 symmetric search was negative. As width 20 symmetric search was also 'negative' (only weekender was found) it gives me the feeling that the weekender is a quite isolated 'stability island'.

For c/7 a logical width of 10 is required for odd-symmetric ships, for 3c/7 a logical width of 15 is required. So regarding this I think it is quite likely something between 10 and 15 should be sufficient (I know Life math is not that simple, still...), and now we know 11 does not work.
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Re: Database of All Completed and Ongoing *find Searches

Postby AforAmpere » February 24th, 2019, 7:28 pm

C/9 w8 g was negative. The search took 259906 seconds. Some of the longer partials:
x = 308, y = 58, rule = B3/S23
6bo3bo20bo3bo18bo7bo15bo5bo16bo5bo13bo9bo13b2o5b2o17b2o5b2o12b2o5b2o
15b2o5b2o14b2o5b2o18b2o5b2o17bo3bo3bo3bo$5bobobobo18bobobobo16bobo5bob
o13bobo3bobo14bobo3bobo11bobo7bobo11bo2bo3bo2bo15bo2bo3bo2bo10bo2bo3bo
2bo13bo2bo3bo2bo12bo2bo3bo2bo16b4o3b4o15bo3b2o3b2o3bo$53bo2bo3bo2bo15b
2ob2o19bobo14bobo7bobo11bo2bo3bo2bo14bo4bobo4bo8bo4bobo4bo11bo4bobo4bo
10bo4bobo4bo14b2o2bo3bo2b2o13bo3b2obobob2o3bo$7bobo22bobo19b2o5b2o13b
2ob2ob2ob2o12b2obo3bob2o11bo9bo13b2o5b2o14b3obobobobob3o6b3obobobobob
3o9b3obobobobob3o8b3obobobobob3o12b3obo5bob3o12bo15bo$3obo2bobo2bob3o
8b3obo2bobo2bob3o34b2o7b2o12bo9bo$4b3o3b3o16b3o3b3o15bobo5bobo13bo2bob
o2bo12b2o9b2o10bo9bo40bo5bo14bo5bo17bo5bo16bo5bo16bo13bo13bo2b2o5b2o2b
o$2bobo7bobo12bobo7bobo13bo2bo3bo2bo14bobobobo13b2o9b2o9bobo7bobo10b2o
2b2ob2o2b2o15bob2ob2obo12bob2ob2obo15bob2ob2obo13b2ob2ob2ob2o15bo11bo
18b2o3b2o$2b2ob2o3b2ob2o12b2ob2o3b2ob2o13bobo5bobo13bobo3bobo11b2o11b
2o7bo2bo7bo2bo9b2o2b2ob2o2b2o14b3o5b3o10b3o5b3o13b3o5b3o11bob3o3b3obo
13b2o11b2o18bo3bo$2b2ob2o3b2ob2o12b2ob2o3b2ob2o13b3o5b3o12b3o5b3o9bo3b
o7bo3bo7bobo7bobo10bo2bo5bo2bo14b2o7b2o10b2o7b2o13b2o7b2o11bo3bo3bo3bo
46bo3bo$52bobo7bobo14bo3bo13bo3bo5bo3bo9b2o7b2o13b2obobob2o18bo5bo9b2o
2bo7bo2b2o11b2o5b2o11b2o11b2o14b2o7b2o16bo2bo5bo2bo$51b2ob2o5b2ob2o10b
ob2o3b2obo14bo5bo13b3o5b3o11bo4bobo4bo32b4obo5bob4o8b2ob2o5b2ob2o7bo2b
o9bo2bo13b3o5b3o15b3o9b3o$4bo7bo41bo7bo13b3obobob3o10bo3bo5bo3bo8b5o3b
5o10b2obo5bob2o13bobobo3bobobo7bo2bo7bo2bo9bo2bo7bo2bo8b2obo7bob2o15b
2o5b2o15b4o9b4o$2b3o7b3o16bo3bo62bobo7bobo12b3ob3o13bo2bo5bo2bo13bo2b
2o3b2o2bo9bo9bo12bo2bo5bo2bo13bo5bo18b2obo3bob2o14b2o13b2o$28b2ob2ob2o
b2o35bobo9bobo9bobo7bobo10bo2bo3bo2bo11bobo7bobo13bo4bobo4bo9b2o7b2o
15b2o3b2o14b2ob2ob2ob2o16bobo5bobo16bo3bo3bo3bo$3b2o7b2o60b4o7b4o10bo
9bo11bo2bo3bo2bo11bob2obobob2obo16b3ob3o12b2o7b2o12bo3b2ob2o3bo12bob2o
b2obo44bo4bobo4bo$3b2obo3bob2o12bobob3ob3obobo14bo5bo14b4o3b4o10b2o11b
2o8bo3bo3bo3bo14bo3bo18b3obobob3o8bo13bo10b2o3bobo3b2o39b2o5b2o16b3o3b
obo3b3o$2bobo2bobo2bobo14bo2bobo2bo15bo2bo3bo2bo10bo3bobobobo3bo10bo9b
o10b2ob2o3b2ob2o10bob2o5b2obo13bo2bobobobo2bo7bo13bo9b2o4bobo4b2o8b2ob
obo3bobob2o11b3o2b2o3b2o2b3o12bob2o2bobo2b2obo$6bo3bo18b3o3b3o14b2o3bo
bo3b2o9bobobobobobobobo10bo9bo10b2o9b2o8b3ob2o5b2ob3o11bo4bobo4bo8bobo
7bobo9b3ob2obobob2ob3o7bo5bobo5bo11b2obobo5bobob2o13bo4bobo4bo$2bobo7b
obo15b2o3b2o15bo3bo3bo3bo10bo4bobo4bo11b3o5b3o10b2obo5bob2o8bo2bo3bobo
3bo2bo10b4o2bobo2b4o8b3o5b3o10b3o4bobo4b3o6b2obo3bobo3bob2o16bo3bo20b
3obobob3o$2bob2o5b2obo38b2o7b2o13b2obobob2o11bo2b2o5b2o2bo9b4o3b4o38bo
9bo10bob2o3b2obo17bobo15bob2o5b2obo18b2ob2o18bobo2bo3bo2bobo$2bo2bo5bo
2bo14b3o3b3o15b3o5b3o12bobobobobobo10bob2o7b2obo12bo3bo12bo15bo13bo7bo
9b3o9b3o10b2ob2o3b2ob2o10bobob2ob2obobo41bo5bobo5bo$3b2o7b2o14bobo5bob
o14b3o5b3o11bobob2ob2obobo10bobo7bobo10b3o5b3o14bo5bo18bobo3bobo9b2o2b
o5bo2b2o12bo7bo13b3o5b3o15b3o2bobo2b3o13b2o3b2o3b2o3b2o$3b2o7b2o18bobo
15b2o2bo7bo2b2o8bo2bobobobo2bo10b2o9b2o9bo11bo9bo2b2obobob2o2bo11bo3b
3ob3o3bo6b2obo7bob2o9bo13bo10b2o7b2o14b2o11b2o13b2o4bobo4b2o$3bo9bo13b
o3b2ob2o3bo11b2o11b2o12bobobobo13bo11bo8b2ob2o5b2ob2o9bo2b3ob3o2bo11bo
bo2bobobobo2bobo8b3o3b3o12bo4bo3bo4bo8b2o11b2o13b2o2b2ob2o2b2o$2bobo7b
obo12bo11bo10bo3b2o5b2o3bo7bo2b2obobob2o2bo8b2o11b2o10bo7bo13b3obobob
3o12bobo3bo3bo3bobo6bo3bo3bo3bo10b3ob3ob3ob3o$2bobo7bobo17bobo15bob2o
9b2obo6bo4b2o3b2o4bo7bo2bo2bobo2bo2bo8bo11bo11b2ob2ob2ob2o15bobo5bobo
9bo4bobo4bo$3bobo5bobo13bo2b3ob3o2bo13bo9bo10bo3bo5bo3bo9b2obobobobob
2o9bo2bo5bo2bo11bo9bo12bobob2o5b2obobo5bo3b3ob3o3bo$5bo5bo15bob2o5b2ob
o13bo9bo15bo3bo36b3o7b3o9bob2o7b2obo10bo2b2o7b2o2bo5bo2bo2bobo2bo2bo$
3bo2bo3bo2bo14bo9bo14bobo5bobo10b2o2bo5bo2b2o9b2obo5bob2o9bo11bo8bo3bo
7bo3bo13b2o5b2o8b3obo2bobo2bob3o$3b2obo3bob2o14bo9bo15b3o3b3o11bo3bo5b
o3bo10b4o3b4o9b3obo5bob3o8b2o2bo5bo2b2o11bo3b3ob3o3bo5bo2b3obobob3o2bo
$5bo5bo15bob2o5b2obo10bo3bo7bo3bo8bobo7bobo11bo9bo9b3o2bo3bo2b3o9bo2bo
5bo2bo$b3o2bo3bo2b3o35bo2b2o5b2o2bo33b2o7b2o13bo5bo13b2ob2o3b2ob2o$31b
o3bo18b3o3b3o13bo9bo15bo3bo14bobo5bobo12b2obo3bob2o$2bo11bo13b2obo3bob
2o16b2o3b2o13bob4ob4obo12bo7bo12b2o7b2o10b2o4bobo4b2o$28bo9bo15b2obobo
b2o10bo3b4ob4o3bo8bo3bo3bo3bo10b2o7b2o10b2obo2bobo2bob2o$52b2o3bobo3b
2o8bo2b4o3b4o2bo9bo2bo3bo2bo8b4o3bobo3b4o$51bo3bo5bo3bo8bob2o7b2obo11b
o2bobo2bo14b3ob3o$52bo11bo10b2ob2o3b2ob2o13bobobobo13bobo5bobo$51bo4bo
3bo4bo9b2o2bo3bo2b2o15bobo$51bo13bo11bo7bo11b2o4bobo4b2o$56bo3bo13b3o
2bo3bo2b3o9b2o2bo3bo2b2o$51bo2b2obobob2o2bo9b2o9b2o10bo3b2ob2o3bo$52b
2o3bobo3b2o12b3o3b3o12b2obobobobob2o$52bo2b3ob3o2bo10bo2b2o3b2o2bo8bob
obo7bobobo$51bob2o2bobo2b2obo$52bo2b3ob3o2bo$54bo2bobo2bo$54bo2bobo2bo
$51bob2obo3bob2obo$51b2o3bo3bo3b2o$53bo9bo$52bo3bo3bo3bo$52bo3b2ob2o3b
o$53bo2bo3bo2bo$51b2ob2o5b2ob2o$51b3ob2o3b2ob3o!


The full search is attached. I have hopes that the longest partial is extendable at a higher width.

EDIT, longer partial found by extending:
x = 17, y = 63, rule = B3/S23
4bo7bo$3bobo5bobo$3bo2bo3bo2bo$4b2o5b2o2$3bobo5bobo$3bo2bo3bo2bo$3bobo
5bobo$3b3o5b3o$2bobo7bobo$b2ob2o5b2ob2o$4bo7bo4$5bo5bo$3bo2bo3bo2bo$2b
2o3bobo3b2o$2bo3bo3bo3bo$3b2o7b2o$3b3o5b3o$3b3o5b3o$2o2bo7bo2b2o$b2o
11b2o$o3b2o5b2o3bo$ob2o9b2obo$3bo9bo$3bo9bo$3bobo5bobo$4b3o3b3o$o3bo7b
o3bo$bo2b2o5b2o2bo$4b3o3b3o$5b2o3b2o$5b2o3b2o$4bo7bo$2bob4ob4obo$5bo5b
o$bo2b4ob4o2bo2$3b2o7b2o$bob2o7b2obo$o3bo7bo3bo$bobo9bobo$2b3o7b3o$5b
2o3b2o$5b3ob3o$b2o2bobobobo2b2o$3ob2obobob2ob3o$2bo4bobo4bo$2b2o9b2o$
3bo4bo4bo$2b2o4bo4b2o$2b2ob2obob2ob2o$8bo$6b2ob2o$2ob2obo3bob2ob2o$bo
5b3o5bo$5bo5bo$bob3ob3ob3obo$2o3bo5bo3b2o2$2o2bo2b3o2bo2b2o!
Attachments
c9w8g.txt
(327.32 KiB) Downloaded 21 times
Things to work on:
- Find a (7,1)c/8 ship in a Non-totalistic rule (someone please search the rules)
- Find a C/10 in JustFriends
- Find a C/10 in Day and Night
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Re: Database of All Completed and Ongoing *find Searches

Postby AforAmpere » February 27th, 2019, 8:29 pm

No extension of this pattern at w9u gives a spaceship:
x = 15, y = 13, rule = B3/S23
$3bo7bo$2bobo5bobo$2bo2bo3bo2bo$3b2o5b2o2$2bobo5bobo$2bo2bo3bo2bo$2bob
o5bobo$2b3o5b3o$bobo7bobo$2ob2o5b2ob2o$3bo7bo!


I had hoped it would be a promising frontend, and it may be for higher widths, but not w9u.
Things to work on:
- Find a (7,1)c/8 ship in a Non-totalistic rule (someone please search the rules)
- Find a C/10 in JustFriends
- Find a C/10 in Day and Night
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Posts: 896
Joined: July 1st, 2016, 3:58 pm

Re: Database of All Completed and Ongoing *find Searches

Postby 2718281828 » February 28th, 2019, 4:58 pm

Reporting negative results for 2c/8 asymmetric width 9 using knight2.
Finally reported partial is surprisingly short:
x = 9, y = 16, rule = B3/S23
bo2bobobo$6bobo$bobobobo$o3b2o$2b2o$2b2ob2o$6b2o2$bo3bo$ob2o$ob4o$bo2$
2bobo$3bo$3bo!

Edit1: use knightt not knght2
Last edited by 2718281828 on March 4th, 2019, 10:10 am, edited 1 time in total.
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Re: Database of All Completed and Ongoing *find Searches

Postby AforAmpere » March 3rd, 2019, 5:05 pm

I ran C/8 w9 u again with zfind 3 just to be sure. Of course, no ships. The search took 926490 seconds.

EDIT, p10 k1 x1 w7 a is negative. Best partial:
x = 6, y = 19, rule = B3/S23
3bo$2bobo$2bo2bo$4bo$2bobo$bo2bo$4bo2$o3b2o$4b2o$4bo$b2ob2o$o3bo$4bo$
4bo$o3b2o$obob2o$bo3bo$2b3o!


And p11 k4 x1 w8 a:
x = 7, y = 16, rule = B3/S23
2bo$2b2o$b4o$4b2o$obo2bo$b3ob2o$b2ob2o2$4bo$2bo2bo$2bo3bo$2b5o$4bobo$b
3obo$3b2obo$2b2o!


And w9 a:
x = 8, y = 21, rule = B3/S23
3bo$3b2o$2b4o$5b2o$bobo2bo$2b3ob2o$2b2ob2o$3bo$3b3obo$2bo$5bobo$3bob2o
$3b2o$4bo$b2o$b2ob2o$3ob2o$2bo$2b4o$bo5bo$o3b2obo!
Things to work on:
- Find a (7,1)c/8 ship in a Non-totalistic rule (someone please search the rules)
- Find a C/10 in JustFriends
- Find a C/10 in Day and Night
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Posts: 896
Joined: July 1st, 2016, 3:58 pm

Re: Database of All Completed and Ongoing *find Searches

Postby Hdjensofjfnen » March 4th, 2019, 12:27 am

AforAmpere wrote:EDIT, p10 k1 x1 w7 a is negative. Best partial:
x = 6, y = 19, rule = B3/S23
3bo$2bobo$2bo2bo$4bo$2bobo$bo2bo$4bo2$o3b2o$4b2o$4bo$b2ob2o$o3bo$4bo$
4bo$o3b2o$obob2o$bo3bo$2b3o!


Interestingly, that uses a frontend similar to my failed p3 I posted in the Sandbox.
Life is hard. Deal with it.
My favorite oscillator of all time:
x = 7, y = 5, rule = B3/S2-i3-y4i
4b3o$6bo$o3b3o$2o$bo!
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Re: Database of All Completed and Ongoing *find Searches

Postby Sokwe » March 4th, 2019, 1:32 am

2718281828 wrote:Reporting negative results for 2c/8 asymmetric width 9 using knight2.

According to Tim Coe, knight2 doesn't work properly at 2c/8 (see here).

2718281828 wrote:Additionally 'negative' 2c/7 even symmetric width 20 [meaning only the weekender exists], using knight2

Only knightt can show that no other ships exist. Did you use knightt or knight2 for this search?

2718281828 wrote:The general problem with ntzfind is the high memory usage, I had to play around quite a lot to get [the 2c/7 width-21 search] to run. Unfortunately I did not get it work for gutter symmetric ships.

What did you have to do to get it to run? Did you modify the program in any way? I would think that the gutter search would be easier or at least very similar.
-Matthias Merzenich
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Re: Database of All Completed and Ongoing *find Searches

Postby 2718281828 » March 4th, 2019, 2:42 am

Sokwe wrote:
2718281828 wrote:Reporting negative results for 2c/8 asymmetric width 9 using knight2.

According to Tim Coe, knight2 doesn't work properly at 2c/8 (see here).

Actually I used knightt for this, using the command:
./knightt -p 8 -x 2 -y 0 -n -w 9 -d 60 -m 3 > kntt_p8x2_n_w9

Sokwe wrote:
2718281828 wrote:Additionally 'negative' 2c/7 even symmetric width 20 [meaning only the weekender exists], using knight2

Only knightt can show that no other ships exist. Did you use knightt or knight2 for this search?

Okay, here I used knight2, because it is faster. Thus, my statement was not correct.

Sokwe wrote:
2718281828 wrote:The general problem with ntzfind is the high memory usage, I had to play around quite a lot to get [the 2c/7 width-21 search] to run. Unfortunately I did not get it work for gutter symmetric ships.

What did you have to do to get it to run? Did you modify the program in any way? I would think that the gutter search would be easier or at least very similar.

To be honest, I don't know why odd-sym at a logical width of 11 works, but gutter not. I only played around with some memory parameters in the code and changed some long int's to the unsigned version. I did not change the main part.
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Re: Database of All Completed and Ongoing *find Searches

Postby 2718281828 » March 5th, 2019, 10:20 am

Sokwe wrote:
2718281828 wrote:Additionally 'negative' 2c/7 even symmetric width 20 [meaning only the weekender exists], using knight2

Only knightt can show that no other ships exist. Did you use knightt or knight2 for this search?

I noticed that knightt can not do the job.
I used the command
./knightt -p 7 -x 2 -w 9 -d 60 -e > 2c7_w9_e
which should find even-symmetric 2c/7 ships of logical width of 9 (so actual width=18).
However, it does not return the weekender, only this partial:
x = 18, y = 25, rule = B3/S23
5bo6bo$5bo6bo$4bobo4bobo$5bo6bo$5bo6bo$3b2o8b2o$3bo10bo$5bo6bo$2b2ob2o
4b2ob2o$bo2b3o4b3o2bo$bo14bo$2bob2o6b2obo$4bob2o2b2obo$3b2obo4bob2o$8b
2o$2b3ob6ob3o$2b2o2bob2obo2b2o$3b4ob2ob4o$4bo2b4o2bo$4b2o2b2o2b2o$4bo
8bo$4b2o6b2o$5bo6bo$3b3o6b3o$bo2bo8bo2bo!


However, Tim Coe mentioned that knightt works only for
"-x <XMOVE> The only speeds currently supported are 1/N and N/(2*N + 1), default XMOVE is 1"
so 2/7 is not working properly for knightt, only 1/7, 3/7. For 2/8 I don't know.
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