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action_autoencoder.py
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action_autoencoder.py
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#!/usr/bin/env python3
import warnings
import config
import sys
import numpy as np
import latplan.model
from latplan.model import ActionAE, CubeActionAE
from latplan.util import curry, set_difference
from latplan.util.tuning import grid_search, nn_task, simple_genetic_search, reproduce
import keras.backend as K
import tensorflow as tf
float_formatter = lambda x: "%.3f" % x
np.set_printoptions(threshold=sys.maxsize,formatter={'float_kind':float_formatter})
from keras.optimizers import Adam
from keras_adabound import AdaBound
from keras_radam import RAdam
import keras.optimizers
setattr(keras.optimizers,"radam", RAdam)
setattr(keras.optimizers,"adabound", AdaBound)
################################################################
# default values
default_parameters = {
'epoch' : 200,
'batch_size' : 500,
'optimizer' : "radam",
'max_temperature' : 5.0,
'min_temperature' : 0.7,
'train_gumbel' : True, # if true, noise is added during training
'train_softmax' : True, # if true, latent output is continuous
'test_gumbel' : False, # if true, noise is added during testing
'test_softmax' : False, # if true, latent output is continuous
}
parameters = {
'M' :[100,200,400,800,1600],
'N' :[1],
'dropout' :[0.4],
'aae_width' :[100,300,600,],
'aae_depth' :[0,1,2],
'aae_activation' :['relu','tanh'],
'lr' :[0.1,0.01,0.001],
'beta' :[-0.3,-0.1,0.0,0.1,0.3],
}
import numpy.random as random
import sys
if len(sys.argv) == 1:
sys.exit("{} [directory]".format(sys.argv[0]))
directory = sys.argv[1]
mode = sys.argv[2]
aeclass = sys.argv[3]
num_actions = eval(sys.argv[4])
sae = latplan.model.load(directory)
data = np.loadtxt(sae.local("actions.csv"),dtype=np.int8)
print(data.shape)
N = data.shape[1]//2
train = data[:int(len(data)*0.9)]
val = data[int(len(data)*0.9):int(len(data)*0.95)]
test = data[int(len(data)*0.95):]
if 'learn' in mode:
print("start training")
if num_actions is not None:
parameters['M'] = [num_actions]
aae,_,_ = simple_genetic_search(
curry(nn_task, eval(aeclass), sae.local("_{}_{}/".format(aeclass,num_actions)), train, train, val, val,),
default_parameters,
parameters,
sae.local("_{}_{}/".format(aeclass,num_actions)),
limit=100,
report_best= lambda net: net.save(),
)
elif 'reproduce' in mode:
aae,_,_ = reproduce(
curry(nn_task, eval(aeclass), sae.local("_{}_{}/".format(aeclass,num_actions)), train, train, val, val,),
default_parameters,
parameters,
sae.local("_{}_{}/".format(aeclass,num_actions)),)
aae.save()
else:
aae = eval(aeclass)(sae.local("_{}_{}/".format(aeclass,num_actions))).load()
num_actions = aae.parameters["M"]
actions = aae.encode_action(data, batch_size=1000).round()
histogram = np.squeeze(actions.sum(axis=0,dtype=int))
print(histogram)
print(np.count_nonzero(histogram > 0))
all_labels = np.zeros((np.count_nonzero(histogram), actions.shape[1], actions.shape[2]), dtype=int)
for i, pos in enumerate(np.where(histogram > 0)[0]):
all_labels[i][0][pos] = 1
if 'plot' in mode:
aae.plot(train[:8], "aae_train.png")
aae.plot(test[:8], "aae_test.png")
aae.plot(train[:8], "aae_train_decoded.png", sae=sae)
aae.plot(test[:8], "aae_test_decoded.png", sae=sae)
transitions = aae.decode([np.repeat(data[:1,:N], len(all_labels), axis=0), all_labels])
aae.plot(transitions, "aae_all_actions_for_a_state.png", sae=sae)
from latplan.util.timer import Timer
# with Timer("loading csv..."):
# all_actions = np.loadtxt("{}/all_actions.csv".format(directory),dtype=np.int8)
# transitions = aae.decode([np.repeat(all_actions[:1,:N], len(all_labels), axis=0), all_labels])
suc = transitions[:,N:]
from latplan.util.plot import plot_grid, squarify
plot_grid([x for x in sae.decode(suc)], w=8, path=aae.local("aae_all_actions_for_a_state_8x16.png"), verbose=True)
plot_grid([x for x in sae.decode(suc)], w=16, path=aae.local("aae_all_actions_for_a_state_16x8.png"), verbose=True)
plot_grid(sae.decode(data[:1,:N]), w=1, path=aae.local("aae_all_actions_for_a_state_state.png"), verbose=True)
if 'test' in mode:
from latplan.util.timer import Timer
# note: unlike rf, product of bitwise match probability is not grouped by actions
performance = {}
performance["mae"] = {} # average bitwise match
performance["prob_bitwise"] = {} # product of bitwise match probabilty
performance["prob_allmatch"] = {} # probability of complete match
def metrics(data,track):
data_match = 1-np.abs(aae.autoencode(data)-data)[:,N:]
performance["mae"][track] = float(np.mean(1-data_match)) # average bitwise match
performance["prob_bitwise"][track] = float(np.prod(np.mean(data_match,axis=0))) # product of bitwise match probabilty
performance["prob_allmatch"][track] = float(np.mean(np.prod(data_match,axis=1))) # probability of complete match
metrics(val,"val")
metrics(train,"train")
metrics(test,"test")
performance["effective_labels"] = int(len(all_labels))
import json
with open(aae.local("performance.json"),"w") as f:
json.dump(performance, f)
def generate_aae_action(known_transisitons):
N = known_transisitons.shape[1] // 2
states = known_transisitons.reshape(-1, N)
def repeat_over(array, repeats, axis=0):
array = np.expand_dims(array, axis)
array = np.repeat(array, repeats, axis)
return np.reshape(array,(*array.shape[:axis],-1,*array.shape[axis+2:]))
print("start generating transitions")
random_actions = all_labels[np.random.choice(len(all_labels), len(states))]
y = aae.decode([states, random_actions], batch_size=1000).round().astype(np.int8)
print("remove known transitions")
y = set_difference(y, known_transisitons)
print("shuffling")
random.shuffle(y)
return y
if "dump" in mode:
def to_id(actions):
return (actions * np.arange(num_actions)).sum(axis=-1,dtype=int)
def save(name,data):
print("Saving to",aae.local(name))
with open(aae.local(name), 'wb') as f:
np.savetxt(f,data,"%d")
# dump list of available actions
save("available_actions.csv", np.where(histogram > 0)[0])
# one-hot to id
actions_byid = to_id(actions)
data_byid = np.concatenate((data,actions_byid), axis=1)
save("actions+ids.csv", data_byid)
# note: fake_transitions are already shuffled, and also do not contain any examples in data.
fake_transitions = generate_aae_action(data)
fake_actions = aae.encode_action(fake_transitions, batch_size=1000).round()
fake_actions_byid = (fake_actions * np.arange(num_actions)).sum(axis=-1,dtype=int)
save("fake_actions.csv",fake_transitions)
save("fake_actions+ids.csv",np.concatenate((fake_transitions,fake_actions_byid), axis=1))
test_transitions = generate_aae_action(data)
test_actions = aae.encode_action(test_transitions, batch_size=1000).round()
test_actions_byid = (test_actions * np.arange(num_actions)).sum(axis=-1,dtype=int)
p = latplan.util.puzzle_module(sae.path)
print("decoding pre")
pre_images = sae.decode(test_transitions[:,:N],batch_size=1000)
print("decoding suc")
suc_images = sae.decode(test_transitions[:,N:],batch_size=1000)
print("validating transitions")
valid = p.validate_transitions([pre_images, suc_images],batch_size=1000)
invalid = np.logical_not(valid)
valid_transitions = test_transitions [valid]
valid_actions_byid = test_actions_byid[valid]
invalid_transitions = test_transitions [invalid]
invalid_actions_byid = test_actions_byid[invalid]
save("valid_actions.csv",valid_transitions)
save("valid_actions+ids.csv",np.concatenate((valid_transitions,valid_actions_byid), axis=1))
save("invalid_actions.csv",invalid_transitions)
save("invalid_actions+ids.csv",np.concatenate((invalid_transitions,invalid_actions_byid), axis=1))
# only valid for Cube AAE
def extract_effect_from_transitions(transitions):
pre = transitions[:,:N]
suc = transitions[:,N:]
data_diff = suc - pre
data_add = np.maximum(0, data_diff)
data_del = -np.minimum(0, data_diff)
add_effect = np.zeros((len(all_labels), N))
del_effect = np.zeros((len(all_labels), N))
for i, a in enumerate(np.where(histogram > 0)[0]):
indices = np.where(actions_byid == a)[0]
add_effect[i] = np.amax(data_add[indices], axis=0)
del_effect[i] = np.amax(data_del[indices], axis=0)
return add_effect, del_effect, data_diff
all_actions_byid = to_id(all_labels)
# effects obtained from the latent vectors
add_effect2, del_effect2, diff2 = extract_effect_from_transitions(data)
save("action_add2.csv",add_effect2)
save("action_del2.csv",del_effect2)
save("action_add2+ids.csv",np.concatenate((add_effect2,all_actions_byid), axis=1))
save("action_del2+ids.csv",np.concatenate((del_effect2,all_actions_byid), axis=1))
save("diff2+ids.csv",np.concatenate((diff2,actions_byid), axis=1))
pre = data[:,:N]
data_aae = aae.decode([pre,actions])
# effects obtained from the latent vectors, but the successor uses the ones coming from the AAE
add_effect3, del_effect3, diff3 = extract_effect_from_transitions(data_aae)
save("action_add3.csv",add_effect3)
save("action_del3.csv",del_effect3)
save("action_add3+ids.csv",np.concatenate((add_effect3,all_actions_byid), axis=1))
save("action_del3+ids.csv",np.concatenate((del_effect3,all_actions_byid), axis=1))
save("diff3+ids.csv",np.concatenate((diff3,actions_byid), axis=1))