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Soup-based syntheses

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

Re: Soup-based syntheses

Postby Hdjensofjfnen » June 27th, 2019, 12:28 pm

Extrementhusiast wrote:
fluffykitty wrote:Why is the rule for that pattern "LifeNonHistory"?

It's a rule that I created for the sole purpose of clearing the history. I just forgot to change it back to LifeHistory.

I would recommend that as an addition to Golly.

I looked at the 60 sample soups for an xs31 and found that the creation technique is absurdly simple:
x = 15, y = 12, rule = B3/S23
3o9$3o9b3o$o2bo7bo2bo$2b2o6bo!

Now for the horrendous cleanup.
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: Soup-based syntheses

Postby Kazyan » June 28th, 2019, 11:56 am

From some additional trawling through wildmyron's 4G results on Catagolue, xs14_2ege12ko can be reduced from 10G to 6G:

x = 75, y = 63, rule = B3/S23
33bobo$34b2o$34bo8$72bobo$72b2o$73bo8$61bo$51b3o6b2o$53bo6bobo$52bo25$
bo$b2o$obo10$23bo$23b2o$22bobo!


I post this here because Catagolue's insert-synthesis-here box won't be able to interpret this correctly, since the cleanup gliders are so far away.

EDIT: Another example, xs15_0g0si53z343 from 10G to 8G.

x = 206, y = 132, rule = B3/S23
132bo$132bobo$132b2o3$102bo$103bo$101b3o15$116b3o$118bo$117bo$125b2o$
124b2o$126bo49$47bo$47b2o$46bobo8$203b3o$203bo$204bo33$198b3o$198bo$
199bo6$bo$b2o$obo!
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Re: Soup-based syntheses

Postby Freywa » June 28th, 2019, 1:30 pm

Kazyan wrote:I post this here because Catagolue's insert-synthesis-here box won't be able to interpret this correctly, since the cleanup gliders are so far away.

Perhaps isolating the cleanup gliders would make things a little more manageable:
#C >133 -21/87 -21/-70 12 133 -11/-25 28>xs18_ggy3358ge1e8z11
#C xs18_ggy3358ge1e8z11>1 0///@0f-3 6>xs14_2ege12ko
x = 109, y = 47, rule = B3/S23
35bobo$35b2o$36bo7$104bo$obo99b3o$b2o98bo$bo100b3o$105bo$104bo$
101bobo$13bo87b2o$13b2o2b3o$12bobo2bo$18bo5$105b2o$105b2o3$107b2o$
106b2o$108bo14$69bo$68b2o$68bobo!

#C >233 -51/-2 -38 293 -16/-169 46 50 61/73 35>xp2_0ggc8a53z1221zzyv33zyas
#C xp2_0ggc8a53z1221zzyv33zyas+1>12 -1///8 -5@50L24 9>xs15_0g0si53z343
x = 190, y = 151, rule = B3/S23
118bo$116b2o$117b2o64$182b2o$obo179bobo$b2o180bo2bo$bo182b3o$187b
2o$186bo2bo$187b2o2$21bo$21bobo$21b2o2$18b2o$17b2o$19bo$153b2o$
153b2o2$149b3o$151bo$150bo3$174b3o$179b2o$179bobo$179bo$6b2o$7b2o$
6bo53$72b3o$72bo$73bo!
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Re: Soup-based syntheses

Postby 2718281828 » July 11th, 2019, 8:29 pm

This soup (http://catagolue.appspot.com/hashsoup/D ... 0718/b3s23)
x = 25, y = 25, rule = B3/S23
12bo$12bo$12bo2$23bo$22bobo$22bobo$14b3o6bo2$17bobo$17bo2bo$16bo3bo$3o
14bo2bo$17bobo$7bo$7bo$7bo3bo$9b2ob2o2$9bo3bo$10b3o2$5b2o$4bo2bo$5b2o!

should give xs18_o4a512koz01246 with less than 20G.
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Re: Soup-based syntheses

Postby 2718281828 » July 12th, 2019, 3:40 pm

This soup https://catagolue.appspot.com/hashsoup/ ... 5305/b3s23 might allow a reduction of xs14_25icz69k8 (at the moment 12G):
x = 38, y = 60, rule = B3/S23
6$10bo$9b3o$8b2ob2o6b3o$7b2o3b2o$3b2o3b2ob2o$3b2o4$10bo$4b2o3b2obo$4b
2o4bo2bo$12b2o22$12bo$11b3o$10b2ob2o$9b2o3b2o$5b2o3b2ob2o$5b2o4$12bo$
6b2o3b2obo$6b2o4bo2bo$14b2o!

3G for the 2 blocks, 2G for the pi, 3-4G for the 8-bit methuselah, 1-2G cleaning makes 9-11G.
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Re: Soup-based syntheses

Postby Ian07 » July 12th, 2019, 4:01 pm

The current cost of xs18_0mmge96z1221 is 12 gliders, which is twice as many as anything else on the new version of the wiki's list of common still lifes. Most of the sample soups boil down to this reaction:
x = 20, y = 15, rule = B3/S23
2o4bo$2o3bo3bo$4bo4bo$4b2obo2bo$4b3ob3o$8bo4$18bo$17bobo$16bo2bo$11bo
5b2o$11bo$11bo!

If a 4G synthesis is found for the unstable object, this could reduce the cost to 4 + 2 (block) + 3 (loaf+blinker) + 1 (cleanup) = 10G.
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Re: Soup-based syntheses

Postby 2718281828 » July 12th, 2019, 4:58 pm

Ian07 wrote:The current cost of xs18_0mmge96z1221 is 12 gliders, which is twice as many as anything else on the new version of the wiki's list of common still lifes. Most of the sample soups boil down to this reaction:
x = 20, y = 15, rule = B3/S23
2o4bo$2o3bo3bo$4bo4bo$4b2obo2bo$4b3ob3o$8bo4$18bo$17bobo$16bo2bo$11bo
5b2o$11bo$11bo!

If a 4G synthesis is found for the unstable object, this could reduce the cost to 4 + 2 (block) + 3 (loaf+blinker) + 1 (cleanup) = 10G.

Yes, but the reason for the high frequency is this 4G pattern:
x = 5, y = 18, rule = B3/S23
3b2o$2bobo$3bo13$3o$2bo$3o!

Maybe a weird (early) clean up with some gliders improves the synthesis.

Edit1: an alternative
x = 10, y = 20, rule = B3/S23
7bo$6bobo$9bo$4bobo$3b2o2bobo$4bo$9bo4$3ob3o$o5bo$o5bo$bo3bo$2b3o$6bo$
6bo$2bo3bo$2bo$2bo!

3G (2blinkers)+2G (pi) + 3G (dove) + cleanup.
or this one:
x = 12, y = 13, rule = B3/S23
5bo$5bo$5bo2$7b3o2$2o$2o$9b2o$9b2o$11bo$9b2o$9b2o!

3G (2blinkers)+2G (pi) + 2G (block) + cleanup.
or this one:
x = 25, y = 22, rule = B3/S23
21bo$20bobo$20bo2bo$21bobo$21b3o4$19b2o$18bobo$17bobo$17b2o$10bo$10bo$
10bo2$6b3o3b3o2$10bo$10bo$10bo!

with a costly long ship.

Edit2, sorry for posting a lot, but this one seems promising:
x = 19, y = 8, rule = B3/S23
bo15bo$bo15bo$2bo15bo$2o14b2o$2bo2bo12bo$bo2bobo10bo$3bo2bo$4b2o!

a loaf plus a 7-bit phi-spark ancestor.
Last edited by 2718281828 on July 12th, 2019, 5:57 pm, edited 1 time in total.
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Re: Soup-based syntheses

Postby AbhpzTa » July 12th, 2019, 5:39 pm

Ian07 wrote:The current cost of xs18_0mmge96z1221 is 12 gliders, which is twice as many as anything else on the new version of the wiki's list of common still lifes. Most of the sample soups boil down to this reaction:
x = 20, y = 15, rule = B3/S23
2o4bo$2o3bo3bo$4bo4bo$4b2obo2bo$4b3ob3o$8bo4$18bo$17bobo$16bo2bo$11bo
5b2o$11bo$11bo!

If a 4G synthesis is found for the unstable object, this could reduce the cost to 4 + 2 (block) + 3 (loaf+blinker) + 1 (cleanup) = 10G.

6G:
x = 18, y = 21, rule = B3/S23
2bo$obo$b2o9$6b3o$8bo2b2o$7bo2b2o$12bo2$8bo6b3o$7b2o6bo$3o4bobo6bo$2bo
$bo!
Iteration of sigma(n)+tau(n)-n [sigma(n)+tau(n)-n : OEIS A163163] (e.g. 16,20,28,34,24,44,46,30,50,49,11,3,3, ...) :
965808 is period 336 (max = 207085118608).
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Re: Soup-based syntheses

Postby 2718281828 » July 12th, 2019, 8:03 pm

This
x = 10, y = 27, rule = B3/S23
$4b3o$2bob3o$bobo$2bo4$2b2ob2o$2bo3bo$3b3o6$3b3o$2bo3bo$2b2ob2o4$2bo$b
obo$2bob3o$4b3o!

could reduce the puffer fish. For the 10-bit G+R methuselah we have 2 3G options:
x = 66, y = 28, rule = B3/S23
5$60bo$54bobo2bo$55b2o2b3o$55bo$10bo$9bo$3bo5b3o$4b2o$3b2o3b2o$7bobo$
9bo6$38b2o$39b2o$38bo!

but they do not work here.
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Re: Soup-based syntheses

Postby 2718281828 » July 14th, 2019, 1:48 am

Maybe this
x = 11, y = 12, rule = B3/S23
b2o$o2bo2$bo2bo$2b3o4$2b3o4b2o$2bobo4b2o$4bo$3b2o!

could lead to a reduction (https://catagolue.appspot.com/hashsoup/ ... 6640/b3s23) of the currently 11G. (optimal would be 3G+3G+2G(block)+1G(clean up) = 9G)
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Re: Soup-based syntheses

Postby Hunting » July 14th, 2019, 8:40 am

x = 16, y = 12, rule = B3/S23
7b3o4b2o$13bobo$14b2o$7b3o3b2o$13bo$3o2$4bo$3b3o$2bo3bo$2bob2o$3b2o!
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x = 4, y = 6, rule = B2e3i4at/S1c23cijn4a
o2bo$4o3$4o$o2bo!
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