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experiments.py
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experiments.py
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import itertools
import numpy as np
import pickle
LIMIT_TESTS = False # Toggle based on whether we want to run exhaustive experiments or a subset
class Dataset(object):
def __init__(self):
# # #
# Dataset general
self.dataset_path = ""
self.proportion_training_set = 0.95
self.shuffle_data = True
# # #
# For reusing tfrecords:
self.reuse_TFrecords = False
self.reuse_TFrecords_ID = 0
self.reuse_TFrecords_path = ""
# # #
# Set random labels
self.random_labels = False
self.scramble_data = False
# # #
# Transfer learning
self.transfer_learning = False
self.transfer_pretrain = True
self.transfer_label_offset = 0
self.transfer_restart_name = "_pretrain"
self.transfer_append_name = ""
# Find dataset path:
for line in open("datasets/paths", 'r'):
if 'Dataset:' in line:
self.dataset_path = line.split(" ")[1].replace('\r', '').replace('\n', '')
# function made by sanjana to alter amount of training data
def set_num_train_ex(self, num_train_ex):
self.proportion_training_set = float(num_train_ex) / 60000 # TODO currently hard-coded because Experiments currently invokes Dataset() but not MNIST() and I'm not sure how to get to MNIST specifically, but it appears to happen at some point
# # #
# Dataset general
# Set base tfrecords
def generate_base_tfrecords(self):
self.reuse_TFrecords = False
# Set reuse tfrecords mode
def reuse_tfrecords(self, experiment):
self.reuse_TFrecords = True
self.reuse_TFrecords_ID = experiment.ID
self.reuse_TFrecords_path = experiment.name
# # #
# Transfer learning
def do_pretrain_transfer_lerning(self):
self.transfer_learning = True
self.transfer_append_name = self.transfer_restart_name
def do_transfer_transfer_lerning(self):
self.transfer_learning = True
self.transfer_pretrain = True
self.transfer_label_offset = 5
self.transfer_append_name = "_transfer"
class DNN(object): # TODO change for MNIST
def __init__(self):
self.name = "Alexnet"
self.pretrained = False
self.version = 1
self.layers = 4
self.stride = 2
self.neuron_multiplier = np.ones([self.layers])
self.num_input_channels = 1
def set_num_layers(self, num_layers):
self.layers = num_layers
self.neuron_multiplier = np.ones([self.layers])
class Hyperparameters(object): # TODO change for MNIST
def __init__(self):
self.batch_size = 2
self.learning_rate = 1e-2
self.num_epochs_per_decay = 1.0
self.learning_rate_factor_per_decay = 0.95
self.weight_decay = 0
self.max_num_epochs = 60
self.image_size = 28 # Changed for MNIST
self.drop_train = 1
self.drop_test = 1
self.momentum = 0.9
self.augmentation = False
# Params specific to this study, set to defaults
self.background_size = 0
self.num_train_ex = 2**3
self.full_size = False
self.inverted_pyramid = False
self.train_background_size = None # Only used for different condition experiments, will be set below
def set_background_size(self, background_size):
# self.image_size += background_size
self.background_size = background_size
class Experiments(object):
def __init__(self, id, name):
self.name = "base"
self.log_dir_base = '/om/user/sanjanas/eccentricity-data/models/'
# '/om/user/sanjanas/eccentricity-data/models/'
#"/om/user/xboix/share/minimal-pooling/models/"
#"/Users/xboix/src/minimal-cifar/log/"
#"/om/user/xboix/src/robustness/robustness/log/"
#"/om/user/xboix/src/robustness/robustness/log/"
# Recordings
self.max_to_keep_checkpoints = 5
self.recordings = False
self.num_batches_recordings = 0
# Plotting
self.plot_details = 0
self.plotting = False
# Test after training:
self.test = False
# Start from scratch even if it existed
self.restart = False
# Skip running experiments
self.skip = False
# Save extense summary
self.extense_summary = True
# Add ID to name:
self.ID = id
if id < 8650 or id >= 8790:
self.name = 'ID' + str(self.ID) + "_" + name
else:
self.name = name
# Add additional descriptors to Experiments
self.dataset = Dataset()
self.dnn = DNN()
self.hyper = Hyperparameters()
# Add file for saving results
self.results_file = 'results.json'
def do_recordings(self, max_epochs):
self.max_to_keep_checkpoints = 0
self.recordings = True
self.hyper.max_num_epochs = max_epochs
self.num_batches_recordings = 10
def do_plotting(self, plot_details=0):
self.plot_details = plot_details
self.plotting = True
# # #
# Create set of experiments
opt = []
plot_freezing = []
# General hyperparameters
name = ['mnist_cnn'] # ["Alexnet"]
# num_layers = [3] # [5]
num_layers = {'mnist_cnn': 3, 'mnist_fcn': 4}
# max_epochs = [20] # [100]
max_epochs = {'mnist_cnn': 20, 'mnist_fcn': 40}
learning_rates = [10**i for i in range(-6, 0)] # 6 values
# batch_sizes = [2**i for i in range(8)] if not LIMIT_TESTS else [128] # 8 values
batch_sizes = [1, 4, 10, 20, 40, 80, 160, 320] if not LIMIT_TESTS else [40]
initialization = None # TODO
# Experiment-specific hyperparameters
background_sizes = [0] + [int(28 * 2**i) for i in range(-3, 3)] if not LIMIT_TESTS else [0, 7, 56] # 7 values
num_train_exs = [2**i for i in range(3, 12)] + [5000] # 10 values, last is full training set
full_sizes = [False, True] # 2 values
def rangeify(nums):
tmplst = nums[:]
start = tmplst[0]
currentrange=[start, start + 1]
for item in tmplst[1:]:
if currentrange[1] == item:
currentrange[1] += 1
else:
yield tuple(currentrange)
currentrange = [item, item + 1]
yield tuple(currentrange)
def calculate_IDs(rfull_size, rbackground_size, rnum_train_ex, rbatch_size, rlearning_rate):
FS = len(full_sizes)
BG = len(background_sizes)
NTE = data_offset = len(num_train_exs)
BS = len(batch_sizes)
LR = len(learning_rates)
random_bg_offset = FS * BG * NTE * BS * LR
inverted_pyramid_offset = random_small_offset = NTE * BS * LR
IDs, ID_subs = ([] for __ in range(2))
for fs, bg, nte, bs, lr in itertools.product(rfull_size, rbackground_size, rnum_train_ex, rbatch_size, rlearning_rate):
i_nte = num_train_exs.index(nte)
i_bs = batch_sizes.index(bs)
i_lr = learning_rates.index(lr)
ID = i_lr + (i_bs * LR) + (i_nte * LR * BS) + data_offset
ID_subs.append(ID)
if type(bg) == int: # TODO change if another int-labeled background_size gets tacked on for another experiment
i_fs = int(fs)
i_bg = background_sizes.index(bg)
BG_add = i_bg * LR * BS * NTE
FS_add = i_fs * BG * NTE * BS * LR
ID += BG_add + FS_add
else:
ID += random_bg_offset
if bg != 'random':
ID += inverted_pyramid_offset
if bg != 'inverted_pyramid':
ID += random_small_offset
IDs.append(ID)
# print(list(rangeify(IDs)), list(rangeify(ID_subs)))
return IDs, ID_subs
# MAKE DATA
idx = 0
for num_train_ex in num_train_exs:
data = Experiments(idx, 'numtrainex' + str(num_train_ex))
# data.dataset.set_num_train_ex(num_train_ex)
opt.append(data)
opt[-1].hyper.max_num_epochs = 0
opt[-1].hyper.num_train_ex = num_train_ex
idx += 1
i = 0
very_small_datas = []
for num_train_ex in [1, 2, 4]:
data = Experiments(9390 + i, 'numtrainex' + str(num_train_ex))
data.hyper.max_num_epochs = 0
data.hyper.num_train_ex = num_train_ex
data.dnn.name = name[0]
very_small_datas.append(data)
i += 1
# MAKE EXPERIMENTS
# for name_NN, num_layers_NN, max_epochs_NN in zip(name, num_layers, max_epochs):
for full_size in full_sizes:
for background_size in background_sizes:
for data in opt[:len(num_train_exs)]:
for batch_size in batch_sizes:
for learning_rate in learning_rates:
name_NN = 'mnist_cnn'
opt += [Experiments(idx, name_NN + '_' + str('backgroundsize') + str(background_size) + '_' + 'numtrainex' + str(data.hyper.num_train_ex))]
opt[-1].hyper.max_num_epochs = max_epochs[name_NN]
opt[-1].hyper.background_size = background_size
opt[-1].hyper.num_train_ex = data.hyper.num_train_ex
opt[-1].hyper.learning_rate = learning_rate
opt[-1].hyper.batch_size = batch_size
opt[-1].hyper.full_size = full_size
opt[-1].dnn.name = name_NN
opt[-1].dnn.set_num_layers(num_layers[name_NN])
opt[-1].dnn.neuron_multiplier.fill(3)
opt[-1].dataset.reuse_tfrecords(data) # opt[0])
opt[-1].hyper.max_num_epochs = int(max_epochs[name_NN])
opt[-1].hyper.num_epochs_per_decay = \
int(opt[-1].hyper.num_epochs_per_decay)
idx += 1
# Random background, resized to max_input_size
for data in opt[:len(num_train_exs)]:
for batch_size in batch_sizes:
for learning_rate in learning_rates:
name_NN = 'mnist_cnn'
exp = Experiments(idx, name_NN + '_' + 'random_background_' + 'numtrainex' + str(data.hyper.num_train_ex))
exp.hyper.background_size = 'random'
exp.hyper.num_train_ex = data.hyper.num_train_ex
exp.hyper.learning_rate = learning_rate
exp.hyper.batch_size = batch_size
exp.hyper.full_size = True # so that it always gets resized up
exp.dnn.name = name_NN
exp.dnn.set_num_layers(num_layers[name_NN])
exp.dnn.neuron_multiplier.fill(3)
exp.dataset.reuse_tfrecords(data)
exp.hyper.max_num_epochs = int(max_epochs[name_NN])
exp.dataset.max_num_epochs = int(max_epochs[name_NN])
exp.hyper.num_epochs_per_decay = int(exp.hyper.num_epochs_per_decay)
opt.append(exp)
idx += 1
# Inverted pyramid
for data in opt[:len(num_train_exs)]:
for batch_size in batch_sizes:
for learning_rate in learning_rates:
name_NN = 'mnist_cnn'
exp = Experiments(idx, name_NN + '_' + 'inverted_pyramid_' + 'numtrainex' + str(data.hyper.num_train_ex))
exp.hyper.background_size = 'inverted_pyramid'
exp.hyper.num_train_ex = data.hyper.num_train_ex
exp.hyper.learning_rate = learning_rate
exp.hyper.batch_size = batch_size
exp.hyper.full_size = True # so that it always gets resized up
exp.dnn.name = name_NN
exp.dnn.set_num_layers(num_layers[name_NN])
exp.dnn.neuron_multiplier.fill(3)
exp.dnn.num_input_channels = 5
exp.dataset.reuse_tfrecords(data)
exp.hyper.max_num_epochs = int(max_epochs[name_NN])
exp.dataset.max_num_epochs = int(max_epochs[name_NN])
exp.hyper.num_epochs_per_decay = int(exp.hyper.num_epochs_per_decay)
opt.append(exp)
idx += 1
# Random background, resized to image_size
for data in opt[:len(num_train_exs)]:
for batch_size in batch_sizes:
for learning_rate in learning_rates:
name_NN = 'mnist_cnn'
exp = Experiments(idx, name_NN + '_' + 'random_background_small_' + 'numtrainex' + str(data.hyper.num_train_ex))
exp.hyper.background_size = 'random_small'
exp.hyper.num_train_ex = data.hyper.num_train_ex
exp.hyper.learning_rate = learning_rate
exp.hyper.batch_size = batch_size
exp.hyper.full_size = True # so that it always gets resized up
exp.dnn.name = name_NN
exp.dnn.set_num_layers(num_layers[name_NN])
exp.dnn.neuron_multiplier.fill(3)
exp.dataset.reuse_tfrecords(data)
exp.hyper.max_num_epochs = int(max_epochs[name_NN])
exp.dataset.max_num_epochs = int(max_epochs[name_NN])
exp.hyper.num_epochs_per_decay = int(exp.hyper.num_epochs_per_decay)
opt.append(exp)
idx += 1
# Black background at training, variable background at testing
for data in opt[:len(num_train_exs)]:
for batch_size in batch_sizes:
for learning_rate in learning_rates:
name_NN = 'mnist_cnn'
exp = Experiments(idx, name_NN + '_' + 'different_conditions_' + 'numtrainex' + str(data.hyper.num_train_ex))
exp.hyper.background_size = 'different_conditions'
exp.hyper.num_train_ex = data.hyper.num_train_ex
exp.hyper.learning_rate = learning_rate
exp.hyper.batch_size = batch_size
exp.hyper.full_size = False
exp.dnn.name = name_NN
exp.dnn.set_num_layers(num_layers[name_NN])
exp.dnn.neuron_multiplier.fill(3)
exp.dataset.reuse_tfrecords(data)
exp.hyper.max_num_epochs = int(max_epochs[name_NN])
exp.dataset.max_num_epochs = int(max_epochs[name_NN])
exp.hyper.num_epochs_per_decay = int(exp.hyper.num_epochs_per_decay)
opt.append(exp)
if exp.hyper.batch_size == 10 and exp.hyper.num_train_ex in [8, 256]:
pass
idx += 1
# Changed conditions ONLY FOR INVERTED PYRAMID AND RANDOM
# ID=8650-8761
for train_background_size in ['random', 'inverted_pyramid']:
for train_data in opt[:len(num_train_exs)]:
for test_background_size in background_sizes:
# Identify best model given these training params
with open(exp.log_dir_base + 'optimal_models.pickle', 'rb') as ofile:
optimal_models = pickle.load(ofile)
try:
obatch_size, olearning_rate = optimal_models[(True, train_background_size, train_data.hyper.num_train_ex)]
except KeyError:
print('num train ex:', train_data.hyper.num_train_ex, ', train bg:', train_background_size)
opt.append(None)
idx += 1
continue
optimal_id, __ = calculate_IDs([True], [train_background_size], [train_data.hyper.num_train_ex], [obatch_size], [olearning_rate])
# Load desired model, save results under different name from same-condition results
name_NN = 'mnist_cnn'
exp = Experiments(idx, opt[optimal_id[0]].name)
exp.results_file = 'results_testbg' + str(test_background_size) + '.json'
exp.dataset.reuse_tfrecords(train_data)
exp.dnn.name = name_NN
exp.dnn.set_num_layers(num_layers[name_NN])
exp.dnn.neuron_multiplier.fill(3)
exp.hyper.max_num_epochs = int(max_epochs[name_NN])
exp.dataset.max_num_epochs = int(max_epochs[name_NN])
exp.hyper.num_epochs_per_decay = int(exp.hyper.num_epochs_per_decay)
if train_background_size == 'inverted_pyramid':
exp.dnn.num_input_channels = 5
# For constructing testing images in main.py
exp.hyper.full_size = True
exp.hyper.background_size = test_background_size
exp.hyper.train_background_size = train_background_size
exp.hyper.batch_size = obatch_size
exp.hyper.learning_rate = olearning_rate
exp.hyper.num_train_ex = train_data.hyper.num_train_ex
# To skip training
exp.test = True
opt.append(exp)
# if train_background_size == 'inverted_pyramid' and exp.hyper.background_size in [0, 3, 7, 14, 28, 56] and exp.hyper.num_train_ex in [8, 16, 32, 64, 128, 256]:
if False:
print(idx - 8650)
idx += 1
# Inverted pyramid architecture trained on fixed-scale data
# ID=8790-9209
# Use ID=0-35,60-95,120-155,180-215,240-275,300-335 with offset 8790
for background_size in background_sizes:
for data in opt[:len(num_train_exs)]:
for learning_rate in learning_rates:
# exp = Experiments(idx, name_NN + '_' + 'inverted' + 'numtrainex' + str(data.hyper.num_train_ex))
name_NN = 'mnist_cnn'
exp = Experiments(idx, '_'.join([name_NN, 'inverted_pyramid', 'numtrainex' + str(data.hyper.num_train_ex), 'backgroundsize' + str(background_size)]))
exp.hyper.background_size = background_size # All data should have the same amount of background...
exp.hyper.num_train_ex = data.hyper.num_train_ex
exp.hyper.learning_rate = learning_rate
exp.hyper.batch_size = 40
exp.hyper.full_size = True # so that it always gets resized up
exp.dnn.name = name_NN
exp.dnn.set_num_layers(num_layers[name_NN])
exp.dnn.neuron_multiplier.fill(3)
exp.dnn.num_input_channels = 5
exp.dataset.reuse_tfrecords(data)
exp.hyper.max_num_epochs = int(max_epochs[name_NN])
exp.dataset.max_num_epochs = int(max_epochs[name_NN])
exp.hyper.num_epochs_per_decay = int(exp.hyper.num_epochs_per_decay)
opt.append(exp)
# if exp.hyper.background_size == 112:
if False:
print(idx)
idx += 1
# Inverted pyramid architecture trained on fixed-scale data, with resizing BEFORE background addition, with a perfect crop in every inverted pyramid.
# NOTE there are some repeated background_sizes, but because the resizing/background addition order has changed, these are functionally different. 14 background pixels on a 28-by-28 object are very different from 14 background pixels on a 112-by-112 object. 0 and 56 are functionally equivalent to their predecessors, so I am skipping them.
# ID=9210-9389
for background_size in [14, 28, 42]:
for data in opt[:len(num_train_exs)]:
for learning_rate in learning_rates:
# exp = Experiments(idx, name_NN + '_' + 'inverted' + 'numtrainex' + str(data.hyper.num_train_ex))
name_NN = 'mnist_cnn'
exp = Experiments(idx, '_'.join([name_NN, 'backgroundafterresize', 'invertedpyramid', 'numtrainex' + str(data.hyper.num_train_ex), 'backgroundsize' + str(background_size)]))
exp.hyper.background_size = background_size # All data should have the same amount of background...
exp.hyper.num_train_ex = data.hyper.num_train_ex
exp.hyper.learning_rate = learning_rate
exp.hyper.batch_size = 40
exp.hyper.full_size = True # so that it always gets resized up
exp.dnn.name = name_NN
exp.dnn.set_num_layers(num_layers[name_NN])
exp.dnn.neuron_multiplier.fill(3)
exp.dnn.num_input_channels = 5
exp.dataset.reuse_tfrecords(data)
exp.hyper.max_num_epochs = int(max_epochs[name_NN])
exp.dataset.max_num_epochs = int(max_epochs[name_NN])
exp.hyper.num_epochs_per_decay = int(exp.hyper.num_epochs_per_decay)
opt.append(exp)
# if exp.hyper.background_size == 112:
# if exp.hyper.num_train_ex <= 256:
if False:
print(idx - 9210)
idx += 1
# Skip ID=9390-9392 for making data with 1, 2, and 4 training examples
opt.extend(very_small_datas)
idx += 3
# Inverted pyramid or random architecture trained on fixed-scale data (resizing before background addition) on tiny amounts of data plus normal amounts of data, all batch_size=8.
# ID=9393-9716
for background_size in background_sizes[:-1]: # skip background_size=112
for data in (opt[9390:9393] + opt[:len(num_train_exs) - 4]): # skip num_train_ex=512,1024,5000
for learning_rate in learning_rates:
name_NN = 'mnist_cnn'
exp = Experiments(idx, '_'.join([name_NN, 'invertedpyramid', 'numtrainex' + str(data.hyper.num_train_ex), 'backgroundsize' + str(background_size)]))
exp.hyper.background_size = background_size
exp.hyper.num_train_ex = data.hyper.num_train_ex
exp.hyper.learning_rate = learning_rate
exp.hyper.batch_size = 8
exp.hyper.full_size = True
exp.dnn.name = name_NN
exp.dnn.set_num_layers(num_layers[name_NN])
exp.dnn.neuron_multiplier.fill(3)
exp.dnn.num_input_channels = 5
exp.dataset.reuse_tfrecords(data)
exp.hyper.max_num_epochs = int(max_epochs[name_NN])
exp.dataset.max_num_epochs = int(max_epochs[name_NN])
exp.hyper.max_num_epochs = int(max_epochs[name_NN])
exp.hyper.num_epochs_per_decay = int(exp.hyper.num_epochs_per_decay)
# exp.restart = True # temporarily to retrain models with proper background_size calculation
opt.append(exp)
if False:
print(idx - 9393)
idx += 1
# FCN, vanilla, train fixed test fixed
# IDs=9717-9932 (0-215)
for background_size in background_sizes[:-1]: # skip background_size=112
for data in opt[:len(num_train_exs) - 4]: # skip num_train_ex=512,1024,5000
for learning_rate in learning_rates:
name_NN = 'mnist_fcn'
exp = Experiments(idx, '_'.join([name_NN, 'vanilla', 'numtrainex' + str(data.hyper.num_train_ex), 'backgroundsize' + str(background_size)]))
exp.hyper.background_size = background_size
exp.hyper.num_train_ex = data.hyper.num_train_ex
exp.hyper.learning_rate = learning_rate
exp.hyper.batch_size = 8
exp.hyper.full_size = True # so that it always gets resized up
exp.dnn.name = name_NN
exp.dnn.set_num_layers(num_layers[name_NN])
exp.dnn.neuron_multiplier.fill(3)
exp.dataset.reuse_tfrecords(data)
exp.hyper.max_num_epochs = int(max_epochs[name_NN])
exp.dataset.max_num_epochs = int(max_epochs[name_NN])
exp.hyper.num_epochs_per_decay = int(exp.hyper.num_epochs_per_decay)
opt.append(exp)
if False:
print(idx - 9717)
idx += 1
# FCN, vanilla, train random (test fixed will happen later)
# ID=9933-9968 (0-35)
for data in opt[:len(num_train_exs) - 4]:
for learning_rate in learning_rates:
name_NN = 'mnist_fcn'
exp = Experiments(idx, '_'.join([name_NN, 'vanilla', 'numtrainex' + str(data.hyper.num_train_ex), 'backgroundsize' + 'random']))
exp.hyper.background_size = 'random'
exp.hyper.num_train_ex = data.hyper.num_train_ex
exp.hyper.learning_rate = learning_rate
exp.hyper.batch_size = 8
exp.hyper.full_size = True
exp.dnn.name = name_NN
exp.dnn.set_num_layers(num_layers[name_NN])
exp.dnn.neuron_multiplier.fill(3)
exp.dataset.reuse_tfrecords(data)
exp.hyper.max_num_epochs = int(max_epochs[name_NN])
exp.dataset.max_num_epochs = int(max_epochs[name_NN])
exp.hyper.num_epochs_per_decay = int(exp.hyper.num_epochs_per_decay)
opt.append(exp)
if False:
print(idx)
idx += 1
if __name__ == '__main__':
# print(calculate_IDs([False, True], [3, 14, 28], [16, 32], [40], learning_rates[:]))
# print(calculate_IDs(background_sizes[:], [8], [128], [0.1]))
# print(calculate_randombg_IDs(num_train_exs[:], [40], learning_rates[:]))
# calculate_IDs([True], [7, 56], [8, 16, 32, 64, 128, 256], [40], learning_rates[:])
pass