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@vznvzn vznvzn/hybrid17.rb
Created Jun 8, 2019

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def f2(n)
return n.odd? ? (n * 3 + 1) / 2 : n / 2
end
def lenx(ns, p)
l = ns.split(p)
l = [] if (l.nil?)
l.shift if (l[0] == '')
return l.map { |x| x.length }
end
def len01x(ns)
return lenx(ns, /0+/), lenx(ns, /1+/)
end
def mx01x(ns)
l1, l0 = len01x(ns)
return (l1 + l0).max
end
def count(ns, l2 = [])
n = n1 = ns.to_i(2)
l = [n1]
while (n != 1 && n >= n1)
n = f2(n)
l << n
end
cg = l.size
cm = (0...l.size).max_by { |x| l[x] }
mx01r = l[cm..-1].map { |x| mx01x(x.to_s(2)) }.max
nl = ns.length
return {'ns' => ns,
'cm' => cm,
'cg' => l.size,
'cr' => l.size - cm,
'nl' => nl,
'mx01r' => mx01r
}
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 initw(w, m)
s = initd(w, w / 2)
i = rand(m) + 1
s[i, m] = rand(2).to_s * m
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)
ns = ns.dup
(rand(3) + 1).times { ns[rand(ns.length) + 1, 0] = rand(2).to_s }
return ns
end
def short(ns)
return ns if (ns.length == 1)
ns = ns.dup
(rand([ns.length - 1, 3].min) + 1).times { ns[rand(ns.length - 1) + 1, 1] = '' }
return ns
end
def rank(x)
return -x['z']
end
def adj(x, wt, km)
z = 0
km.keys.each { |k| z += (x[k] - wt["#{k}_a"]) / wt["#{k}_sd"] * km[k] }
x['z'] = z
raise if (!z.finite?)
return x
end
def out(a, a2 = {}, t = nil)
fn = 'out.txt'
k = a.keys
if ($f1.nil?) then
$f1 = File.open(fn, 'w')
$f1.puts(k.join("\t"))
f2 = File.open('gnuplot.cmd', 'w')
st = t.nil? ? 'unset title; ' : "set title '#{t}'; "
f2.puts("set ytics nomirror; set y2tics; set colors classic; set key top left box opaque; #{st}; plot \\")
(a.keys - ['t']).each \
{
|x|
f2.puts("'#{fn}' using (column('t')):(column('#{x}')) with line title '#{x}' #{a2[x]}, \\")
}
f2.puts
f2.close
end
$f1.puts(a.values_at(*k).join("\t"))
$f1.flush
end
def remove(a, ks)
a = a.dup
ks.each { |x| a.delete(x) }
return a
end
def add(bs, km, h, ns, fn, wt, t)
j = ns.length
h[j] = [] if (!h.member?(j))
x = adj(count(ns), wt, km)
a, b = [h[j][0], h[j][-1]]
return if (h[j].map { |x| x['ns'] }.member?(x['ns']))
x['t'] = t
h[j] << x
h[j].sort_by! { |x| rank(x) }
h[j][bs..-1] = [] if (h[j].size > bs)
out(remove(x, ['ns']), {'z' => 'axis x1y2'}) if (t % 5 == 0)
end
def top(h1)
return h1[rand([h1.size / 4, h1.size].max)]
end
def stat(l)
return 0, 1.0 if (l.empty?)
t = l.inject { |a, x| a + x }
t2 = l.inject { |a, x| a + x ** 2 }
c = l.size
a = t.to_f / c
z = t2.to_f / c - a ** 2
sd = Math.sqrt(z < 0 ? 0 : z)
raise if (sd.nan?)
return a, sd
end
def dist(km, h, wt)
l = h.values.flatten
km.keys.each \
{
|k|
a, sd = stat(l.map { |x| x[k] })
sd = 1.0 if (sd == 0)
sd *= km[k]
wt.merge!({"#{k}_a" => a, "#{k}_sd" => sd})
}
end
def nonnil(x, y)
return x.nil? ? y : x
end
def opt(km, w1, k, fn)
h = {}
ops = ['initd0', 'initb0', 'initw0', 'mut1', 'mix2', 'cut2']
ops += ['ext1', 'short1']
bs = 50
bc = 50
t = 0
wt = {}
5e3.to_i.times \
{
if (t % 100 == 0) then
dist(km, h, wt)
h.values.flatten.each { |x| adj(x, wt, km) }
end
opc = ops[rand(ops.size)]
c = opc[-1..-1].to_i
op = opc[0..-2]
ks = h.keys.sort_by { |x| rank(h[x][0]) }
ks = ks[0...[ks.size, ks.size / 4].max]
case (c)
when 0
w = ks.empty? ? w1 : ks[rand(ks.size)]
ns = send(op, w, rand(w))
when 1, 2
redo if (h.empty?)
h.delete(ks.pop) if (ks.size > bc)
arg = (0...c).map { ks[rand(ks.size)] }
l = arg.map { |x| top(h[x])['ns'] }
ns = send(op, *l)
ns[0, 1] = '1'
end
add(bs, km, h, ns, fn, wt, t)
if (t % 100 == 0) then
kmx = nonnil(h.values.flatten.max_by { |x| x[k] }, {}).dup
h0 = nonnil(h.fetch(ks[0], [])[0], {}).dup
msg = Hash[[['t', 'hmn', 'hmx', 'hc', 'h_0', "#{k}_0"], [t, ks.min, ks.max, h.size, h0, kmx]].transpose]
msg['h_0'].delete('ns')
msg["#{k}_0"].delete('ns')
p(msg)
# p(wt)
end
t += 1
}
end
f = File.open('gnuplot2.cmd', 'w')
f.puts("set title 'mx01r'; unset y2tics; set key top left; plot \\")
ks = ['cg', 'cm', 'cr']
ks.each \
{
|x|
f.puts("'out.txt' using (column('#{x}')):(column('mx01r')) pt 5 ps 0.25,\\")
}
f.puts
f.puts('pause -1')
f.puts("set title 'mx01r log log'; unset y2tics; set key top right; plot \\")
ks.each \
{
|x|
f.puts("'out.txt' using (log(column('#{x}'))):(log(column('mx01r'))) pt 5 ps 0.5,\\")
}
f.close
v = {'mx01r' => 1, 'cm' => 1, 'cg' => 1, 'cr' => 1, 'nl' => 1}
opt(v, 50, 'mx01r', fn = 'mixdb.txt')
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