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December 4, 2020 18:21
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def f2(n) | |
return n.odd? ? (n * 3 + 1) / 2 : n / 2 | |
end | |
def seq(n) | |
l = [n] | |
while (n != 1) | |
n = f2(n) | |
l << n | |
end | |
return l | |
end | |
def outin(fn) | |
l = (f = File.open(fn)).readlines | |
f.close | |
raise if (l.shift.chop != '$dat << eof') | |
k = l.shift.split | |
i = l.index("eof\n") | |
raise if (i.nil?) | |
l[i..-1] = [] | |
l2 = l.map { |x| Hash[[k, x.split.map { |x| Kernel.eval(x) }].transpose] } | |
l2.each { |x| x['ns'] = x['ns'].to_s } | |
$stderr.puts([fn, l2.size].inspect) | |
return l2 | |
end | |
def load(l1 = [1]) | |
l = [] | |
l1.each \ | |
{ | |
|i| | |
l.concat(outin("tmp/gnuplot#{i}-1.cmd")) | |
} | |
return l | |
end | |
def sample2(l, n) | |
d = (l.size - 1).to_f / (n - 1) | |
l2 = [] | |
n.times \ | |
{ | |
|i| | |
j = (i * d).to_i | |
l2 << l[j] | |
} | |
return l2 | |
end | |
def len(ns, p) | |
l = ns.split(p) | |
l = [] if (l.nil?) | |
l.shift if (l[0] == '') | |
return l.map { |x| x.length } | |
end | |
def len1(ns) | |
return len(ns, /0+/) | |
end | |
def len0(ns) | |
return len(ns, /1+/) | |
end | |
def len01(ns) | |
return len1(ns), len0(ns) | |
end | |
def e(ns) | |
return 0 if (ns.empty?) | |
return len01(ns).flatten.size.to_f / ns.length | |
end | |
def d(s) | |
return 0 if (s.empty?) | |
c = s.split('').select { |x| x == '1' }.size | |
d = c.to_f / s.length | |
return d | |
end | |
def midpt(ns) | |
w2 = ns.length / 4 | |
l = ns.split('') | |
i = j = 0 | |
while (i < w2 && j < l.size) | |
i += l[j].to_i | |
j += 1 | |
end | |
return j.to_f / ns.length | |
end | |
def d1(s) | |
c = s.split('').select { |x| x == '1' }.size | |
return c | |
end | |
def midpt2(ns) | |
w2 = d1(ns) / 2 | |
l = ns.split('') | |
i = j = 0 | |
while (i < w2 && j < l.size) | |
i += l[j].to_i | |
j += 1 | |
end | |
return j.to_f / ns.length | |
end | |
def log2(x) | |
return Math.log(x) / Math.log(2.0) | |
end | |
def features(ns) | |
d = d(ns) - 0.5 | |
e = e(ns) - 0.5 | |
nw = ns.length | |
nw2 = nw / 2 | |
nshi = ns[0...nw2] | |
nslo = ns[nw2..-1] | |
dlo = d(nslo) - 0.5 | |
dhi = d(nshi) - 0.5 | |
elo = e(nslo) - 0.5 | |
ehi = e(nshi) - 0.5 | |
mp1 = midpt(ns) - 0.5 | |
mp2 = midpt2(ns) - 0.5 | |
mx0 = len0(ns).max | |
mx0 = 0 if (mx0.nil?) | |
mx1 = len1(ns).max | |
mx01 = [mx0, mx1].max | |
mx = log2(log2(ns.to_i(2).to_f)) | |
a0 = avg(len0(ns)) | |
a1 = avg(len1(ns)) | |
a01 = avg(len01(ns).flatten) | |
return { | |
"d" => d, | |
"e" => e, | |
"ea" => e.abs, | |
"da" => d.abs, | |
"dlo" => dlo, | |
"dhi" => dhi, | |
"elo" => elo, | |
"ehi" => ehi, | |
'mp1' => mp1, | |
"mp2" => mp2, | |
'mx0' => mx0.to_f / ns.length, | |
'mx1' => mx1.to_f / ns.length, | |
'mx01' => mx01.to_f / ns.length, | |
'a0' => a0 / ns.length, | |
'a1' => a1 / ns.length, | |
'a01' => a01 / ns.length, | |
'a1m' => a1 / mx, | |
"nw" => ns.length | |
} | |
end | |
def dataset(l) | |
return l.map { |x| x.empty? ? {} : features(x['ns']).merge({$k => x[$k], 'cg' => x['cg']}) } | |
end | |
def near(x, l, k2 = '', l1 = []) | |
l.each_with_index \ | |
{ | |
|x1, j| | |
next if (x == x1) | |
z = 0 | |
['d', 'e', 'da', 'ea', 'dlo', 'dhi', 'elo', 'ehi', 'mp1', 'mp2', | |
'mx0', 'mx1', 'mx01', 'a0', 'a1', 'a01', 'a1m'].each \ | |
{ | |
|k1| | |
k = "#{k1}#{k2}" | |
z += (x[k] - x1[k1]) ** 2 | |
} | |
l1 << [z, j] | |
} | |
l1.sort_by! { |x| x[0] } | |
i = 0 | |
i += 1 while (i + 1 < l1.size && l1[i][0] == l1[i + 1][0]) | |
return (0..i).map { |x| l[l1[x][1]].merge({'z' => l1[x][0]}) } | |
end | |
def predict(l2, l1) | |
e1 = 0 | |
l1.each { |x| x['nn'] = []; x.delete('er2') } | |
ky = $k | |
l2.each_with_index \ | |
{ | |
|x, j| | |
next if (x.empty?) | |
l = near(x, l1) | |
et = yt = zt = 0 | |
l.each \ | |
{ | |
|x1| | |
e = (x1[ky] - x[ky]).abs | |
yt += x1[ky] | |
et += e | |
zt += x1['z'] | |
a = {'er' => e, 'j' => j, 'z' => x1['z']} | |
x1['nn'] << a | |
} | |
x['y'] = yt / l.size | |
x['er1'] = et / l.size | |
x['z'] = zt / l.size | |
e1 += x['er1'] | |
} | |
et = e1 / l2.size | |
return et | |
end | |
def sum(l) | |
return l.inject(0) { |t, x| t + x } | |
end | |
def avg(l) | |
return sum(l).to_f / l.size | |
end | |
def opt(l2, l1) | |
et = predict(l2, l1) | |
l1.each { |x| x['er2'] = x['nn'].empty? ? 0 : avg(x['nn'].map { |x1| x1['er'] }) } | |
j = (0...l1.size).max_by { |x| l1[x].fetch('er2', 0) } | |
x = l1[j] | |
a = {'et' => et, 'er2max' => x['er2'], 'j' => j} | |
return a | |
end | |
def outd(f, l) | |
f.puts('$dat << eof') | |
k = l[0].keys | |
f.puts(k.join("\t")) | |
l.each { |x| f.puts(x.values.join("\t")) } | |
f.puts('eof') | |
return k | |
end | |
def hide(a, x) | |
return (a.member?(x) && a[x].nil?) | |
end | |
def outa(f, l, a = {}, t = '') | |
k = outd(f, l) | |
f.puts("set colors classic; set title '#{t}'; ") | |
# f.puts("set key top right opaque; ") | |
# f.puts("set ytics nomirror; set y2tics;") | |
f.puts("plot \\") | |
ct = '' | |
k, ct = [k - ['t'], "(column('t')):"] if (k.member?('t') && !hide(a, 't')) | |
k.each \ | |
{ | |
|x| | |
next if (hide(a, x)) | |
opt = a.fetch(x, '') | |
opt = ' with line lw 2 ' + opt if (!opt.include?('with')) | |
f.puts("'$dat' using #{ct}(column('#{x}')) #{opt} title '#{x}',\\") | |
} | |
f.puts | |
# f.puts("reset; pause -1;") | |
end | |
def outafn(l, a = {}, fn = nil, t = '') | |
fn = 'gnuplot.cmd' if (fn.nil?) | |
outa(f = File.open(fn, 'w'), l, a, t) | |
f.close | |
$stderr.puts([fn, l.size, t].inspect) | |
end | |
def cg(l2) | |
cg = l2.index { |x| x < l2[0] } | |
return cg | |
end | |
def seqg(n) | |
n1 = n | |
l = [n1] | |
while (n != 1 && n >= n1) | |
n = f2(n) | |
l << n | |
end | |
return l | |
end | |
def subglides(l, c) | |
l3 = [] | |
l.each \ | |
{ | |
|x| | |
ns = x['ns'] | |
l2 = seqg(ns.to_i(2)) | |
cm = (0...l2.size).max_by { |x| l2[x] } | |
(0...cm).each \ | |
{ | |
|i| | |
cg = cg(l2[i..-1]) | |
# next if (cg < 20) | |
ns = l2[i].to_s(2) | |
hg = cg.to_f / ns.length | |
next if (hg < 0.1) | |
l3 << {'ns' => ns, 'i' => i, 'cg' => cg, $k => hg} | |
} | |
} | |
l3.sort_by! { |x| x[$k] } | |
$stderr.puts(l3.size) | |
l4 = sample2(l3, c) | |
return l4 | |
end | |
def keys(l, ks) | |
return l.map \ | |
{ | |
|x| | |
Hash[[ks, x.values_at(*ks)].transpose] | |
} | |
end | |
def fit(l, l1) | |
l4 = dataset(l) | |
predict(l4, l1) | |
outafn(keys(l4, [$k, 'y', 'z']), {'z' => 'axes x1y2'}, 'gnuplot2.cmd') | |
outafn(keys(l4, ['d', 'e', 'mx0', 'mx1', 'mx01', 'a0', 'a1', 'a01']), {}, 'gnuplot3.cmd') | |
ks = ['d', 'e', 'da', 'ea', 'dlo', 'dhi', 'elo', 'ehi', 'mp1', 'mp2', 'mx0', 'mx1', 'mx01', 'a0', 'a1', 'a01', 'a1m'] | |
l1.sort_by! { |x| x[$k] } | |
outafn(keys(l1, ks), {}, 'gnuplot4.cmd') | |
end | |
def review() | |
f = File.open('outline.txt') | |
l1 = f.readlines.map { |x| Kernel.eval(x) } | |
f.close | |
l = load() | |
l.each { |x| x['hg'] = x['cg'].to_f / x['ns'].length } | |
# l3 = fwd(l) | |
l3 = subglides(l, 1000) | |
fit(l + [{}] + l3, l1) | |
exit | |
end | |
$k = 'cg' | |
$k = 'hg' | |
review() if (File.exists?('outline.txt')) | |
c1 = 250 | |
l = load() | |
l = subglides(l, 1000 + c1) | |
l = dataset(l) | |
l2b = sample2(l, c1) | |
l2b.each { |x| l.delete(x) } | |
l2 = sample2(l, c1) | |
l2.each { |x| x['y'] = nil } | |
c2 = c1 | |
(l3 = (0...l.size).select { |x| !l[x].member?('y') }).shuffle[0...c2].each { |x| l[x]['x'] = nil } | |
f = File.open('out.txt', 'w') | |
t = 0 | |
emn = emx = et2 = nil | |
l1 = nil | |
loop \ | |
{ | |
l1 = l.select { |x| x.member?('x') } | |
a = opt(l2, l1) | |
a['et2'] = et2.nil? ? '-' : et2 | |
emx = [emx, a['et']].compact.max | |
emn = [emn, a['et']].compact.min | |
a['er'] = a['et'].to_f / emx | |
a['er2'] = et2.nil? ? '-' : (et2.to_f / emx).round(3) | |
if (t == 0) then | |
f.puts(a.keys.join("\t")) | |
f1 = File.open('gnuplot1.cmd', 'w') | |
f1.puts("set colors classic; ") | |
f1.puts("set ytics nomirror; set y2tics; ") | |
f1.puts("plot \\") | |
a1 = {'j' => 'pt 5', | |
'er' => 'with line lw 2 axes x1y2', | |
'er2' => 'with line lt 7 lw 2 axes x1y2' | |
} | |
a.keys.each \ | |
{ | |
|k| | |
opt = a1.fetch(k, 'with line lw 2') | |
f1.puts("'out.txt' using (column('#{k}')) #{opt},\\") | |
} | |
f1.puts | |
f1.close | |
end | |
f.puts(a.values.join("\t")) | |
f.flush | |
break if ((er3 = a['et'].to_f / emn) > 1.10) | |
l1[a['j']].delete('x') | |
l4 = (0...l.size).select { |x| l[x].member?('x') } | |
l5 = l3 - l4 | |
l[i = l5[rand(l5.size)]]['x'] = nil | |
l4 += [i] | |
l4.sort! | |
if ((t + 1) % 5 == 0) then | |
l6 = (0...l2.size).map \ | |
{ | |
|x| | |
{'y' => l2[x]['y'], | |
'e' => l2[x]['er1'], | |
$k => l2[x][$k], | |
'cg' => l2[x]['cg'], | |
'z' => Math.log(l2[x]['z']), | |
# 'i' => l4[x] | |
} | |
} | |
et2 = predict(l2b, l1) | |
l2b.size.times { |x| l6[x]['y2'] = l2b[x]['y'] } | |
outafn(l6, {'cg' => 'axes x1y2', 'y2' => 'lt 7'}) | |
end | |
t += 1 | |
$stderr.puts({'t' => t, | |
'er' => a['er'].round(3), | |
'er2' => a['er2'], | |
'er3' => er3.round(3)}.inspect) | |
} | |
f = File.open('outline.txt', 'w') | |
l1.each { |x| f.puts(x.inspect) } | |
f.close |
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