Search found 1669 matches

by Sokwe
November 22nd, 2020, 7:29 am
Forum: Patterns
Topic: Oscillator Discussion Thread
Replies: 1483
Views: 687492

Re: Oscillator Discussion Thread

After some effort, I managed to reduce the p7 supports for the p49 traffic light hassler: x = 105, y = 105, rule = B3/S23 55b2o$56bo$56bobo$54b2obobo$53bo2bo2bo$53b2o4bob2o$50b2obo4b2o2bo$51bo bo2bo3bo$50bo2bobob3o$51b2o3bo$53b2o3b2o$51b2o6bo$50bo2bob4o$50b2obo$ 53bo2b3o$53bob2o2bo$51b2ob2o2bobo$52b...
by Sokwe
November 22nd, 2020, 2:58 am
Forum: Patterns
Topic: Gun Discussion Thread
Replies: 140
Views: 85854

Re: Gun Discussion Thread

The new reflector (used in the P10 glider shuttle), is, infuriatingly, one lane off: x = 303, y = 73, rule = EV2Quadcolor 206.2A$204.A2.A2.2A.2A.A2.2A5.A7.2A$204.2A5.A.A.2A2.A4.5A.A4.A34.2A$ 202.2A2.5A2.A6.A2.A5.2A2.A13.2A21.2A5.2A$192.2A4.A2.A2.A5.A.A.6A.A2.A .2A3.4A12.A2.A3.2A22.A3.A8.A$191.A2.A3...
by Sokwe
November 11th, 2020, 2:14 am
Forum: Other Cellular Automata
Topic: Spaceships in Life-like cellular automata
Replies: 200
Views: 28977

Re: Spaceships in Life-like cellular automata

So, which rules that don't fall into any of these "no spaceship" categories don't have any known spaceships? To answer this you need the latest version of the spaceship database and David Eppstein's program for reading the database . Using this program, it is possible to print tables of rules (in t...
by Sokwe
October 17th, 2020, 4:20 am
Forum: Scripts
Topic: qfind - a spaceship search program
Replies: 61
Views: 28731

Re: qfind - a spaceship search program

How do I make qfind dump automatically, and how do I adjust the dumping interval? Use the 'd' parameter to dump the state after each queue compaction. You can read qfind's parameter descriptions by running ./qfind c The state dumps after each deepening step completes, so there is no direct way to "...
by Sokwe
October 13th, 2020, 5:58 pm
Forum: Other Cellular Automata
Topic: Guns in Life-like cellular automata
Replies: 48
Views: 29502

Re: Guns in Life-like cellular automata

No mention here of non-totalistic rules, but I guess this belongs here. When I created this thread, I assumed Life-like rules were totalistic (edit: I mean semi-totalistic), but either the definition has changed over time or it was never what I thought. I don't mind the occasional non-totalistic ru...
by Sokwe
October 13th, 2020, 5:40 pm
Forum: Scripts
Topic: qfind - a spaceship search program
Replies: 61
Views: 28731

Re: qfind - a spaceship search program

wwei23 wrote:
October 9th, 2020, 10:14 am
How do I restart a qfind search from a dump file?

Code: Select all

./qfind s FILENAME
where "FILENAME" is the name of the dump file. For example,

Code: Select all

./qfind s dump0011
by Sokwe
August 29th, 2020, 3:24 am
Forum: Other Cellular Automata
Topic: Spaceships in Life-like cellular automata
Replies: 200
Views: 28977

Re: Spaceships in Life-like cellular automata

Here is a small collection of ships that cover some B2 rules for which no ships were previously known: :Matthias Merzenich, 2020:B256/S0236:B25678/S02368:2:0:-2:24:12:7b4o2b4o2$5o3b2o4b2o3b5o$2bo6b2o2b2o6bo$b3o5bob2obo5b3o$2bo3bo2bo4bo2bo3bo$9bo4bo$3b2o4b2o2b2o4b2o$4bo4bob2obo4bo$5bo2bo2b2o2bo2bo2$6...
by Sokwe
August 29th, 2020, 3:07 am
Forum: Patterns
Topic: Oscillator Discussion Thread
Replies: 1483
Views: 687492

Re: Oscillator Discussion Thread

is this really a stabilization of an agar? Yes. jslife only includes the minimal agar stabilizations to save space. why is this P6 not-a-billiard-table (Extremely Impressive) in the billiard tables section? Technically, that isn't quite extremely impressive , although it is closely related. The ter...
by Sokwe
August 24th, 2020, 8:01 pm
Forum: Patterns
Topic: Thread for your unsure discoveries
Replies: 2090
Views: 1032158

Re: Thread for your unsure discoveries

wwei23 wrote:
August 24th, 2020, 1:09 pm
I couldn't find this in jslife or on the Wiki, is it new?
It's in jslife, but not in the obvious place. It's in osc/x-djb-oscillators.lif (4th oscillator in column 1).
by Sokwe
August 20th, 2020, 6:37 pm
Forum: Patterns
Topic: Spaceship Discussion Thread
Replies: 1294
Views: 635551

Re: Spaceship Discussion Thread

Where was the first time these ships were mentioned? I think we do have sth like a collection of c/2 ships under 50 cells? We do have such a collection available here . The credits for pushalong 1 read DB 13 Aug 1992 (using OWSS; MWSS support found by DB on 16 Aug 1992) where "DB" is David Bell. I'...
by Sokwe
August 20th, 2020, 7:51 am
Forum: Other Cellular Automata
Topic: Spaceships in Life-like cellular automata
Replies: 200
Views: 28977

Re: Spaceships in Life-like cellular automata

I discovered a collection of over 100 spaceships that I had found in 2016 but never posted: :Matthias Merzenich, 2016:B2/S0156:B278/S015678:2:1:1:52:52:6bobo$5b2obo$bo2b3o2bo$4bo$bo5bo2b2o$4bo5bobo$4b3obobo2bo$6b4o4bo$o2bo2bobo3b3o$3b2o6bo4bo$o6bo2b3o4b2o$7b3obo2bo$4bobo3b3o2b4o$11bo2bo3bobo$16bobo3...
by Sokwe
August 12th, 2020, 5:10 am
Forum: Patterns
Topic: Spaceship Discussion Thread
Replies: 1294
Views: 635551

Re: Spaceship Discussion Thread

Then only a 2c/5 grey stretcher would be missing. A grey stretcher would be difficult, considering we don't yet have a 2c/5 wickstretcher of any type. I know of only one wick that might work: x = 112, y = 33, rule = B3/S23 2bobo4bobo4bobo4bobo4bobo4bobo4bobo4bobo4bobo4bobo4bobo4bobo4bobo4bobo 4bobo...
by Sokwe
August 12th, 2020, 12:53 am
Forum: Other Cellular Automata
Topic: Spaceships in Life-like cellular automata
Replies: 200
Views: 28977

Re: Spaceships in Life-like cellular automata

Since no new spaceship discoveries have been announced in 17 days, I'll go ahead and post the updated version of the database. It's always going to be fairly painful to find the latest version of something that keeps getting posted and re-posted, with lots of incremental messages in between. My sug...
by Sokwe
August 12th, 2020, 12:29 am
Forum: Patterns
Topic: Spaceship Discussion Thread
Replies: 1294
Views: 635551

Re: Spaceship Discussion Thread

There mus be a completion of this 2c/5 grey ship corner: Maybe you already had a plan, but this will fix the bottom: Here's an even smaller completion for the bottom: x = 65, y = 94, rule = B3/S23 23bobobo$22obobobo$21bobob2o$21o2bo2bo$23bo$22obobobobo$23bobobobo$23o 2bob2o$23bobo2bo$23o2bo$25bobob...
by Sokwe
August 12th, 2020, 12:05 am
Forum: Patterns
Topic: Spaceship Discussion Thread
Replies: 1294
Views: 635551

Re: Spaceship Discussion Thread

There mus be a completion of this 2c/5 grey ship corner: I haven't completed it, but I did fix a small problem with part of the connection: x = 82, y = 97, rule = B3/S23 23bobobo$22obobobo$21bobob2o$21o2bo2bo$23bo$22obobobobo$23bobobobo$23o 2bob2o$23bobo2bo$23o2bo$25bobobobo$26obobobo$25bobob2o$25o...
by Sokwe
August 8th, 2020, 6:09 am
Forum: Other Cellular Automata
Topic: Spaceships in Life-like cellular automata
Replies: 200
Views: 28977

Re: Spaceships in Life-like cellular automata

Huzzah! I actually found something! That's great! Here are some more new speeds in that rule: x = 153, y = 35, rule = B3/S346 59b3o$59b2o$60bob2o$60bo3bo$59bobo2bo$59bob2o3bo$55bob4o2b4o73bo6bo$ 51bo4bo2b4o2b2o73bo6bo$56b3obo78b2o6b2o$51bobobob2obo49b2o3b2o22b2o6b 2o$54b2o2b2o48b2o7b2o21bobo2bobo$4...
by Sokwe
July 30th, 2020, 1:44 am
Forum: Patterns
Topic: POTD 2010 Nomination Thread
Replies: 28
Views: 6128

Re: POTD 2010 Nomination Thread

Bit of a run-on, improvements welcome... Catagolue is definitely a huge omission from the POTD list. Maybe the entry could be generalized like this? I think both descriptions are a bit too verbose (when compared to other entries). I shortened the first and basically rewrote the second: #35 Single-c...
by Sokwe
July 28th, 2020, 7:47 am
Forum: Patterns
Topic: POTD 2010 Nomination Thread
Replies: 28
Views: 6128

Re: POTD 2010 Nomination Thread

calcyman wrote:
July 23rd, 2020, 7:14 am
I'd suggest "single-channel universal construction" as an entry
Can someone with more knowledge of this entry and its uses (and its discoverers) provide a description for it?
by Sokwe
July 28th, 2020, 7:41 am
Forum: Patterns
Topic: Spaceship Discussion Thread
Replies: 1294
Views: 635551

Re: Spaceship Discussion Thread

Is this a c/3 spaceship already discovered ? As yujh said, probably not, although there are a lot of c/3 ships, so we don't document them all. How did you find it? right before that complex part is already the previously-known connection Nice catch! This is much more elegant. I see that the connect...
by Sokwe
July 26th, 2020, 8:05 pm
Forum: Patterns
Topic: Spaceship Discussion Thread
Replies: 1294
Views: 635551

Re: Spaceship Discussion Thread

This is my best partial so far: Based on this, here is a completed greyship: Here is a reduction of the connecting component: x = 145, y = 129, rule = B3/S23 7b2obo$7b5o$6bo3b2o$7b2o$7b2o12b2o$2b4o$2bo3bo4b2ob2o4b2o2bo$2b2o2b2o 3b2ob3ob2o2bobo19b2o$4bo3bo9b2o5bo17b6o$5b12obo6b2o15bo3bo$16b2o6bo4bo ...
by Sokwe
July 26th, 2020, 1:48 am
Forum: Patterns
Topic: Spaceship Discussion Thread
Replies: 1294
Views: 635551

Re: Spaceship Discussion Thread

This is my best partial so far: Based on this, here is a completed greyship: x = 145, y = 129, rule = B3/S23 7b2obo$7b5o$6bo3b2o$7b2o$7b2o12b2o$2b4o$2bo3bo4b2ob2o4b2o2bo$2b2o2b2o 3b2ob3ob2o2bobo$4bo3bo9b2o5bo$5b12obo6b2o$16b2o6bo4bo$3b12ob2o5b2o4bo$ 2bo11bob2o6b5o$2ob10o12bo$o2bo$6o3bobo$4b2obo2bo$...
by Sokwe
July 23rd, 2020, 5:15 pm
Forum: Patterns
Topic: Spaceship Discussion Thread
Replies: 1294
Views: 635551

Re: Spaceship Discussion Thread

Do we have already a completion for the following wick? Here is a stabilization for that wave: x = 30, y = 85, rule = B3/S23 7b2obo$7b5o$6bo3b2o$7b2o$7b2o12b2o$2b4o$2bo3bo4b2ob2o4b2o2bo$2b2o2b2o 3b2ob3ob2o2bobo$4bo3bo9b2o5bo$5b12obo6b2o$16b2o6bo4bo$3b12ob2o5b2o4bo$ 2bo11bob2o6b5o$2ob10o12bo$o2bo$6o...
by Sokwe
July 23rd, 2020, 5:16 am
Forum: Patterns
Topic: POTD 2010 Nomination Thread
Replies: 28
Views: 6128

Re: POTD 2010 Nomination Thread

Hunting wrote:
July 23rd, 2020, 3:27 am
May I sneak Naszvadi's new smallest c/5 puffer in?
This competition covers the years 2010 through 2019. That puffer was found in 2020, so it does not qualify for this competition. However, it certainly qualifies for the next Pattern of the Year competition.
by Sokwe
July 23rd, 2020, 3:01 am
Forum: Patterns
Topic: POTD 2010 Nomination Thread
Replies: 28
Views: 6128

Re: POTD 2010 Nomination Thread

I want to get the voting thread back up and running, because bubblegum worked hard at it and we have waited a long time for it. By the way, if anyone opposes my... intervention, and just wants me to start up the contest again without changes, please feel free to comment. I'm wielding my moderator po...
by Sokwe
July 21st, 2020, 9:30 pm
Forum: Patterns
Topic: POTD 2010 Nomination Thread
Replies: 28
Views: 6128

Re: POTD 2010 Nomination Thread

I have a few immediate comments. I think it is essential that we nominate the still life and spaceship syntheses found over the decade. I am of the opinion that the small still life syntheses could be nominated as a single collection. This includes syntheses of all still lifes up to 18 bits, and che...