BigModel_Test4

Use rpsrunner.py to play unranked matches on your computer.

Source code:

import random
def wrand(vals):
	rp = random.random() * sum(vals)
	bn = 0
	ln = len(vals)
	for i in range(0, ln):
		bn += vals[i]
		if rp <= bn:
			return i
	return ln - 1
class MinModel:
	def __init__(self, decay):
		self.decay = decay
		self.prob = [0.0, 0.0, 0.0]
		self.last = random.randint(0, 2)
	def predict(self, pred, idx):
		p0 = self.prob[0]
		p1 = self.prob[1]
		p2 = self.prob[2]
		pred[idx] = self.last
		pred[idx + 1] = (0 if p0 > p2 else 2) if p0 > p1 else (1 if p1 > p2 else 2)
		pred[idx + 2] = wrand([p0, p1, p2])
	def update(self, val):
		self.prob[0] *= self.decay
		self.prob[1] *= self.decay
		self.prob[2] *= self.decay
		self.prob[val] += 1.0
		self.last = val
class CtxModel:
	def __init__(self, order, decay):
		self.order = order
		self.mask = 1 << ((order + 1) << 1)
		self.cmsk = self.mask - 4
		self.prob = [random.randint(0, 2) if i&3 == 3 else 0.0 for i in range(0, self.mask)]
		self.decay = decay
		self.ctx = 0
		self.mask -= 1
	def predict(self, pred, idx):
		tc = self.ctx
		for o in range(0, self.order):
			p0 = self.prob[self.ctx]
			p1 = self.prob[self.ctx + 1]
			p2 = self.prob[self.ctx + 2]
			pred[idx] = int(self.prob[self.ctx + 3])
			idx += 1
			pred[idx] = (0 if p0 > p2 else 2) if p0 > p1 else (1 if p1 > p2 else 2)
			idx += 1
			pred[idx] = wrand([p0, p1, p2])
			idx += 1
			tc = (tc >> 2) & self.cmsk
	def update(self, val):
		tc = self.ctx
		for o in range(0, self.order):
			self.prob[tc] *= self.decay
			self.prob[tc + 1] *= self.decay
			self.prob[tc + 2] *= self.decay
			self.prob[tc + 3] = val
			self.prob[tc + val] += 1.0
			tc = (tc >> 2) & self.cmsk
	def nextctx(self, val):
		self.ctx = ((self.ctx + val + 1) << 2) & self.mask
class ModelPicker:
	def __init__(self, count, decay):
		self.count = count
		self.preds = [0 for i in range(0, count)]
		self.weigh = [0.0 for i in range(0, count)]
		self.decay = decay
	def setpred(self, idx, val):
		self.preds[idx] = val
	def setpreds(self, idx, vals):
		vl = len(vals)
		for vi in range(0, vl):
			self.preds[idx] = vals[vi]
			idx += 1
	def predict(self):
		#self.preds[self.weigh.index(max(self.weigh))]
		idx = 0
		mxv = -10000.0
		tmv = 0
		for i in range(0, self.count):
			tmv = self.weigh[i]
			if tmv > mxv:
				mxv = tmv
				idx = i
		return self.preds[idx]
	def update(self, val):
		val *= 3
		for i in range(0, self.count):
			self.weigh[i] = (self.weigh[i] * self.decay) + VALUE[val + self.preds[i]]
if input == "":
	VALUE = [1,-1,0,0,1,-1,-1,0,1]
	WINS = [1,2,0]
	LOSS = [2,0,1]
	NVAL = {"R":0,"P":1,"S":2,"":0}
	CVAL = ["R", "P", "S"]
	minU = MinModel(0.93)
	minT = MinModel(0.93)
	ctxU2U = CtxModel(6, 0.93)
	ctxU2T = CtxModel(6, 0.93)
	ctxT2U = CtxModel(6, 0.93)
	ctxT2T = CtxModel(6, 0.93)
	ctxB2U = CtxModel(6, 0.93)
	ctxB2T = CtxModel(6, 0.93)
	sse = ModelPicker(352, 0.93)
	tval = random.randint(0, 2)
	uval = random.randint(0, 2)
else:
	tval = NVAL[input]
	minU.update(uval)
	minT.update(tval)
	ctxU2U.update(uval)
	ctxU2U.nextctx(uval)
	ctxU2T.update(tval)
	ctxU2T.nextctx(uval)
	ctxT2U.update(uval)
	ctxT2U.nextctx(tval)
	ctxT2T.update(tval)
	ctxT2T.nextctx(tval)
	ctxB2U.update(uval)
	ctxB2U.nextctx(uval)
	ctxB2U.nextctx(tval)
	ctxB2T.update(tval)
	ctxB2T.nextctx(uval)
	ctxB2T.nextctx(tval)
	sse.update(tval)
minU.predict(sse.preds, 0)
minT.predict(sse.preds, 3)
ctxU2U.predict(sse.preds, 6)
ctxU2T.predict(sse.preds, 24)
ctxT2U.predict(sse.preds, 42)
ctxT2T.predict(sse.preds, 60)
ctxB2U.predict(sse.preds, 78)
ctxB2T.predict(sse.preds, 96)
sse.setpreds(114, [uval, tval])
for i in range(0, 116):
    sse.preds[i + 116] = WINS[sse.preds[i]]
    sse.preds[i + 232] = WINS[sse.preds[i + 116]]
sse.setpreds(348, [0, 1, 2, random.randint(0, 2)])
uval = WINS[sse.predict()]
output = CVAL[uval]