Created
January 27, 2019 22:26
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def f2(n) | |
return n.odd? ? (n * 3 + 1) / 2 : n / 2 | |
end | |
def dense(w, d) | |
w2 = w - 1 | |
a = (0...w2).to_a | |
s = '0' * w2 | |
(1..(d * w - 1)).map { a.delete_at(rand(a.size)) }.each { |x| s[x, 1] = '1' } | |
return ('1' + s) | |
end | |
def d(s) | |
c = s.split('').select { |x| x == '1' }.size | |
d = c.to_f / s.length | |
return d | |
end | |
def len(ns, p) | |
l = ns.split(p) | |
l = [''] if (l.nil? || l.empty?) | |
return l.map { |x| x.length } | |
end | |
def len01(ns) | |
return len(ns, /0+/), len(ns, /1+/) | |
end | |
def e(ns) | |
return len01(ns).flatten.size.to_f / ns.length | |
end | |
def pairsize(ns) | |
l1, l0 = len01(ns) | |
l0 += [0] if (l1.size != l0.size) | |
l = [l0, l1].transpose.map { |x, y| x + y } | |
return l | |
end | |
def count(ns) | |
n = n1 = ns.to_i(2) | |
l = [n1] | |
while (n != 1) | |
n = f2(n) | |
l << n | |
end | |
d = d(ns = n1.to_s(2)) | |
cg = l.index { |x| x < n1 } | |
cg = 0 if (cg.nil?) | |
cm = (0..cg).max_by { |x| l[x] } | |
nl = ns.length | |
c = l.size | |
ps = l.map { |x| x % 2 }.join | |
ps[0..nl] = '' | |
return {'da' => (d - 0.5).abs, | |
'd' => d, | |
'e' => e(ns), | |
'ns' => ns, | |
'cm' => cm, | |
'cg' => cg, | |
'c' => c, | |
'nl' => nl, | |
'mxps' => pairsize(ps).max, | |
} | |
end | |
def initr(w, m) | |
l = [] | |
b = 1 | |
while (w > 0) | |
t = [w, m].min | |
r = (t <= 1) ? 1 : rand(t) + 1 | |
l << [b] * r | |
b ^= 1 | |
w -= r | |
end | |
s = l.flatten.join | |
return s | |
end | |
def initd(w, m) | |
d = m.to_f / w | |
w2 = w - 1 | |
a = (0...w2).to_a | |
s = '0' * w2 | |
(1..(d * w - 1)).map { a.delete_at(rand(a.size)) }.each { |x| s[x, 1] = '1' } | |
return ('1' + s) | |
end | |
def initb(w, m) | |
r = m.to_f / w | |
return '1' + (1...w).map { rand < r ? '0' : '1' }.join | |
end | |
def initr2(w, m, b) | |
l = [] | |
while (w > 0) | |
t = [w, m].min | |
r = (t <= 1) ? 1 : rand(t) + 1 | |
l << [b] * r | |
b ^= 1 | |
w -= r | |
end | |
s = l.flatten.join | |
return s | |
end | |
def initw(w, m) | |
w -= 2 | |
m = [w, m].min | |
i = rand([w - m, 1].max) | |
j = w - i - m | |
b = rand(2) | |
ns = initr2(i, rand([i - 1, 1].max) + 1, b ^ 1).reverse + ([b] * m).join + initr2(j, rand([j - 1, 1].max) + 1, b ^ 1) | |
s = '1' + (ns[0].to_i ^ 1).to_s + ns | |
return s | |
end | |
def mut(ns) | |
ns = ns.dup | |
i = rand(ns.length - 1) + 1 | |
ns[i, 1] = (ns[i, 1].to_i ^ 1).to_s | |
return ns | |
end | |
def inner(ns1, ns2) | |
a, b = [ns1, ns2].sort_by { |x| x.length } | |
d = b.length - a.length | |
i = rand(d + 1) | |
c = b.dup | |
c[i, a.length] = a | |
ns1.replace(b) | |
ns2.replace(c) | |
end | |
def mix(ns1, ns2) | |
ns1 = ns1.dup | |
ns2 = ns2.dup | |
inner(ns1, ns2) | |
return (0...ns1.length).map { |x| [ns1, ns2][rand(2)][x, 1] }.join | |
end | |
def cut(ns1, ns2) | |
ns1 = ns1.dup | |
ns2 = ns2.dup | |
inner(ns1, ns2) | |
i = rand(ns1.length) | |
return ns1[0...i] + ns2[i..-1] | |
end | |
def ext(ns) | |
return (0..rand(3)).map { rand(2) }.join.to_i.to_s + ns | |
end | |
def fmt(msg, x) | |
t = msg.member?(x) ? Time.now.to_i - msg[x] : 0 | |
m = t / 60 | |
s = t % 60 | |
msg[x] = "#{m}m #{s}s" | |
end | |
def clock(msg) | |
msg2 = msg.dup | |
['t', 't1'].each { |x| fmt(msg2, x) } | |
return msg2 | |
end | |
def add(k, h, ns, seen, msg, f) | |
return if (seen.member?(ns)) | |
seen[ns] = nil | |
x = {'ns' => ns}.merge(count(ns)) | |
return if (!x.member?(k)) | |
j = ns.length | |
h[j] = [] if (!h.member?(j)) | |
a, b = [h[j][0], h[j][-1]] | |
h[j] = h.fetch(j, []) + [x] | |
h[j].sort_by! { |x| -x[k] } | |
h[j][50..-1] = [] if (h[j].size > 50) | |
if (msg['a1'].nil? || x[k] > msg['a1'][k]) then | |
msg['a1'] = x | |
puts("==>\t" + clock(msg).inspect) | |
msg['t1'] = Time.now.to_i | |
msg['tz'] = 60 | |
end | |
msg['t0'] = Time.now.to_s | |
msg['s'] = seen.size | |
msg['hc1'] = h.size | |
msg['hc2'] = h.map { |k, v| v.size }.inject(0){ |t, x| t + x } | |
if (a.nil? || h[j][0][k] != a[k]) then | |
msg['a'] = h[j][0][k] | |
msg['n'] = msg.fetch('n', 0) + 1 | |
f.puts(x) | |
f.flush | |
end | |
if (b.nil? || h[j][-1][k] != b[k]) then | |
msg['b'] = h[j][-1][k] | |
end | |
end | |
def top(h1) | |
return h1[rand([h1.size / 4, h1.size].max)] | |
end | |
def opt(k, w1) | |
h = {} | |
ops = ['initr0', 'initd0', 'initb0', 'initw0', 'mut1', 'mix2', 'cut2'] | |
ops += ['ext1'] | |
seen = {} | |
msg = {'t' => Time.now.to_i} | |
f = File.open('mixdb.txt', 'w') | |
loop \ | |
{ | |
opc = ops[rand(ops.size)] | |
c = opc[-1..-1].to_i | |
op = opc[0..-2] | |
case (c) | |
when 0 | |
ns = send(op, w1, rand(w1)) | |
add(k, h, ns, seen, msg, f) | |
when 1, 2 | |
redo if (h.empty?) | |
ks = h.keys.sort_by { |x| -h[x][0][k] } | |
h.delete(ks.pop) if (ks.size > 50) | |
msg['hmn'], msg['hmx'] = [ks.min, ks.max] | |
ks = ks[0...[ks.size, ks.size / 4].max] | |
arg = (0...c).map { ks[rand(ks.size)] } | |
l = arg.map { |x| top(h[x])['ns'] } | |
ns = send(op, *l) | |
ns[0, 1] = '1' | |
add(k, h, ns, seen, msg, f) | |
end | |
if ((t = Time.now.to_i - msg['t1']) >= msg['tz']) | |
puts("\t" + clock(msg).inspect) | |
msg['tz'] += 60 | |
end | |
# break if (t > 180) | |
} | |
f.close | |
end | |
def sample(l, c) | |
return l if (l.size <= c) | |
r = l.size / c | |
l2 = *(0...l.size).select { |x| x % r == 0 } | |
l2[c..-1] = [] | |
return l.values_at(*l2) | |
end | |
def review(k, fn) | |
l = sample(File.open(fn).readlines.map { |x| Kernel.eval(x) }, 2000) | |
k1 = 'nl' | |
l.sort_by! { |x| x[k1] } | |
f = File.open('gnuplot.cmd', 'w') | |
f.puts('$dat << eof') | |
k = l[0].keys | |
f.puts(k.join("\t")) | |
l.each \ | |
{ | |
|x| | |
f.puts(x.values.join("\t")) | |
} | |
f.puts('eof') | |
f.puts('set colors classic; set key top left box opaque; plot \\') | |
(k - ['ns']).each \ | |
{ | |
|x| | |
y2 = ['e', 'd', 'da'].member?(x) ? 'dt 3 axes x1y2' : '' | |
y2 = 'lw 2' if (x == k) | |
f.puts("$dat using (column('#{x}')) with line #{y2},\\") | |
} | |
f.close | |
exit | |
end | |
k = 'mxps' | |
fn = 'mixdb.txt' | |
review(k, fn) if (File.exist?(fn)) | |
opt(k, 10) |
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