542 lines
23 KiB
Python
542 lines
23 KiB
Python
import pickle
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import re
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from collections import defaultdict
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from pathlib import Path
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import sys
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import platform
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import pandas as pd
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import torchmetrics
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import numpy as np
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import torch
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from matplotlib import pyplot as plt
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import seaborn as sns
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from torch import nn
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from torch.nn import Flatten
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from torch.utils.data import Dataset, DataLoader
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from torchvision.datasets import MNIST
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from torchvision.transforms import ToTensor, Compose, Resize
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from tqdm import tqdm, trange
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# noinspection DuplicatedCode
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if platform.node() == 'CarbonX':
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debug = True
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print("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@")
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print("@ Warning, Debugging Config@!!!!!! @")
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print("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@")
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else:
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debug = False
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try:
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# noinspection PyUnboundLocalVariable
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if __package__ is None:
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DIR = Path(__file__).resolve().parent
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sys.path.insert(0, str(DIR.parent))
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__package__ = DIR.name
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else:
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DIR = None
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except NameError:
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DIR = None
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pass
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from network import MetaNet, FixTypes as ft
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from sparse_net import SparseNetwork
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from functionalities_test import test_for_fixpoints
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WORKER = 10 if not debug else 2
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debug = False
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BATCHSIZE = 500 if not debug else 50
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EPOCH = 100
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VALIDATION_FRQ = 3 if not debug else 1
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SELF_TRAIN_FRQ = 1 if not debug else 1
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DEVICE = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
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if debug:
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torch.autograd.set_detect_anomaly(True)
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class ToFloat:
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def __init__(self):
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pass
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def __call__(self, x):
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return x.to(torch.float32)
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class AddTaskDataset(Dataset):
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def __init__(self, length=int(5e5)):
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super().__init__()
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self.length = length
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self.prng = np.random.default_rng()
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def __len__(self):
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return self.length
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def __getitem__(self, _):
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ab = self.prng.normal(size=(2,)).astype(np.float32)
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return ab, ab.sum(axis=-1, keepdims=True)
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def set_checkpoint(model, out_path, epoch_n, final_model=False):
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epoch_n = str(epoch_n)
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if not final_model:
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ckpt_path = Path(out_path) / 'ckpt' / f'{epoch_n.zfill(4)}_model_ckpt.tp'
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else:
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ckpt_path = Path(out_path) / f'trained_model_ckpt_e{epoch_n}.tp'
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ckpt_path.parent.mkdir(exist_ok=True, parents=True)
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torch.save(model, ckpt_path, pickle_protocol=pickle.HIGHEST_PROTOCOL)
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return ckpt_path
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def validate(checkpoint_path, ratio=0.1):
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checkpoint_path = Path(checkpoint_path)
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import torchmetrics
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# initialize metric
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validmetric = torchmetrics.Accuracy()
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ut = Compose([ToTensor(), ToFloat(), Resize((15, 15)), Flatten(start_dim=0)])
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try:
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datas = MNIST(str(data_path), transform=ut, train=False)
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except RuntimeError:
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datas = MNIST(str(data_path), transform=ut, train=False, download=True)
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valid_d = DataLoader(datas, batch_size=BATCHSIZE, shuffle=True, drop_last=True, num_workers=WORKER)
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model = torch.load(checkpoint_path, map_location=DEVICE).eval()
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n_samples = int(len(valid_d) * ratio)
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with tqdm(total=n_samples, desc='Validation Run: ') as pbar:
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for idx, (valid_batch_x, valid_batch_y) in enumerate(valid_d):
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valid_batch_x, valid_batch_y = valid_batch_x.to(DEVICE), valid_batch_y.to(DEVICE)
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y_valid = model(valid_batch_x)
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# metric on current batch
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acc = validmetric(y_valid.cpu(), valid_batch_y.cpu())
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pbar.set_postfix_str(f'Acc: {acc}')
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pbar.update()
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if idx == n_samples:
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break
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# metric on all batches using custom accumulation
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acc = validmetric.compute()
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tqdm.write(f"Avg. accuracy on all data: {acc}")
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return acc
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def new_storage_df(identifier, weight_count):
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if identifier == 'train':
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return pd.DataFrame(columns=['Epoch', 'Batch', 'Metric', 'Score'])
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elif identifier == 'weights':
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return pd.DataFrame(columns=['Epoch', 'Weight', *(f'weight_{x}' for x in range(weight_count))])
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def checkpoint_and_validate(model, out_path, epoch_n, final_model=False):
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out_path = Path(out_path)
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ckpt_path = set_checkpoint(model, out_path, epoch_n, final_model=final_model)
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result = validate(ckpt_path)
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return result
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def plot_training_particle_types(path_to_dataframe):
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plt.clf()
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# load from Drive
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df = pd.read_csv(path_to_dataframe, index_col=False)
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# Set up figure
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fig, ax = plt.subplots() # initializes figure and plots
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data = df.loc[df['Metric'].isin(ft.all_types())]
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fix_types = data['Metric'].unique()
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data = data.pivot(index='Epoch', columns='Metric', values='Score').reset_index().fillna(0)
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_ = plt.stackplot(data['Epoch'], *[data[fixtype] for fixtype in fix_types], labels=fix_types.tolist())
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ax.set(ylabel='Particle Count', xlabel='Epoch')
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ax.set_title('Particle Type Count')
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fig.legend(loc="center right", title='Particle Type', bbox_to_anchor=(0.85, 0.5))
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plt.tight_layout()
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if debug:
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plt.show()
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else:
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plt.savefig(Path(path_to_dataframe.parent / 'training_particle_type_lp.png'), dpi=300)
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def plot_training_result(path_to_dataframe):
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plt.clf()
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# load from Drive
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df = pd.read_csv(path_to_dataframe, index_col=False)
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# Set up figure
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fig, ax1 = plt.subplots() # initializes figure and plots
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ax2 = ax1.twinx() # applies twinx to ax2, which is the second y-axis.
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# plots the first set of data
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data = df[(df['Metric'] == 'Task Loss') | (df['Metric'] == 'Self Train Loss')].groupby(['Epoch', 'Metric']).mean()
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palette = sns.color_palette()[0:data.reset_index()['Metric'].unique().shape[0]]
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sns.lineplot(data=data.groupby(['Epoch', 'Metric']).mean(), x='Epoch', y='Score', hue='Metric',
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palette=palette, ax=ax1)
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# plots the second set of data
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data = df[(df['Metric'] == 'Test Accuracy') | (df['Metric'] == 'Train Accuracy')]
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palette = sns.color_palette()[len(palette):data.reset_index()['Metric'].unique().shape[0] + len(palette)]
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sns.lineplot(data=data, x='Epoch', y='Score', marker='o', hue='Metric', palette=palette)
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ax1.set(yscale='log', ylabel='Losses')
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ax1.set_title('Training Lineplot')
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ax2.set(ylabel='Accuracy')
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fig.legend(loc="center right", title='Metric', bbox_to_anchor=(0.85, 0.5))
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ax1.get_legend().remove()
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ax2.get_legend().remove()
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plt.tight_layout()
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if debug:
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plt.show()
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else:
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plt.savefig(Path(path_to_dataframe.parent / 'training_lineplot.png'), dpi=300)
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def plot_network_connectivity_by_fixtype(path_to_trained_model):
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m = torch.load(path_to_trained_model, map_location=torch.device('cpu'))
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# noinspection PyProtectedMember
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particles = list(m.particles)
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df = pd.DataFrame(columns=['type', 'layer', 'neuron', 'name'])
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for prtcl in particles:
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l, c, w = [float(x) for x in re.sub("[^0-9|_]", "", prtcl.name).split('_')]
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df.loc[df.shape[0]] = (prtcl.is_fixpoint, l-1, w, prtcl.name)
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df.loc[df.shape[0]] = (prtcl.is_fixpoint, l, c, prtcl.name)
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for layer in list(df['layer'].unique()):
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# Rescale
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divisor = df.loc[(df['layer'] == layer), 'neuron'].max()
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df.loc[(df['layer'] == layer), 'neuron'] /= divisor
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print('gathered')
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for n, fixtype in enumerate([ft.other_func, ft.identity_func]):
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plt.clf()
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ax = sns.lineplot(y='neuron', x='layer', hue='name', data=df[df['type'] == fixtype],
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legend=False, estimator=None, lw=1)
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_ = sns.lineplot(y=[0, 1], x=[-1, df['layer'].max()], legend=False, estimator=None, lw=0)
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ax.set_title(fixtype)
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lines = ax.get_lines()
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for line in lines:
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line.set_color(sns.color_palette()[n])
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if debug:
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plt.show()
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else:
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plt.savefig(Path(path_to_trained_model.parent / f'net_connectivity_{fixtype}.png'), dpi=300)
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print('plottet')
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def run_particle_dropout_test(run_path):
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diff_store_path = run_path / 'diff_store.csv'
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prtcl_dict = defaultdict(lambda: 0)
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_ = test_for_fixpoints(prtcl_dict, list(latest_model.particles))
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tqdm.write(str(dict(prtcl_dict)))
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acc_pre = validate(model_path, ratio=1).item()
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diff_df = pd.DataFrame(columns=['Particle Type', 'Accuracy', 'Diff'])
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for fixpoint_type in ft.all_types():
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new_model = torch.load(model_path, map_location=DEVICE).eval().replace_with_zero(fixpoint_type)
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if [x for x in new_model.particles if x.is_fixpoint == fixpoint_type]:
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new_ckpt = set_checkpoint(new_model, model_path.parent, fixpoint_type, final_model=True)
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acc_post = validate(new_ckpt, ratio=1).item()
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acc_diff = abs(acc_post - acc_pre)
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tqdm.write(f'Zero_ident diff = {acc_diff}')
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diff_df.loc[diff_df.shape[0]] = (fixpoint_type, acc_post, acc_diff)
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diff_df.to_csv(diff_store_path, mode='a', header=not diff_store_path.exists(), index=False)
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return diff_store_path
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def plot_dropout_stacked_barplot(path_to_diff_df):
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diff_df = pd.read_csv(path_to_diff_df)
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particle_dict = defaultdict(lambda: 0)
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_ = test_for_fixpoints(particle_dict, list(latest_model.particles))
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tqdm.write(str(dict(particle_dict)))
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plt.clf()
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fig, ax = plt.subplots(ncols=2)
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colors = sns.color_palette()[:diff_df.shape[0]]
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barplot = sns.barplot(data=diff_df, y='Accuracy', x='Particle Type', ax=ax[0], palette=colors)
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# noinspection PyUnboundLocalVariable
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#for idx, patch in enumerate(barplot.patches):
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# if idx != 0:
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# # we recenter the bar
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# patch.set_x(patch.get_x() + idx * 0.035)
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ax[0].set_title('Accuracy after particle dropout')
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ax[0].set_xlabel('Particle Type')
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ax[1].pie(particle_dict.values(), labels=particle_dict.keys(), colors=colors, )
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ax[1].set_title('Particle Count')
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plt.tight_layout()
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if debug:
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plt.show()
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else:
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plt.savefig(Path(path_to_diff_df.parent / 'dropout_stacked_barplot.png'), dpi=300)
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def run_particle_dropout_and_plot(run_path):
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diff_store_path = run_particle_dropout_test(run_path)
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plot_dropout_stacked_barplot(diff_store_path)
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def flat_for_store(parameters):
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return (x.item() for y in parameters for x in y.detach().flatten())
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if __name__ == '__main__':
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self_train = True
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training = True
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train_to_id_first = False
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train_to_task_first = False
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sequential_task_train = True
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force_st_for_n_from_last_epochs = 5
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n_st_per_batch = 10
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# activation = None # nn.ReLU()
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use_sparse_network = True
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for weight_hidden_size in [4, 5, 6]:
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tsk_threshold = 0.85
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weight_hidden_size = weight_hidden_size
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residual_skip = True
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n_seeds = 1
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data_path = Path('data')
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data_path.mkdir(exist_ok=True, parents=True)
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st_str = f'{"" if self_train else "no_"}st{f"_n_{n_st_per_batch}" if n_st_per_batch else ""}'
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# ac_str = f'_{activation.__class__.__name__}' if activation is not None else ''
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res_str = f'{"" if residual_skip else "_no_res"}'
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# dr_str = f'{f"_dr_{dropout}" if dropout != 0 else ""}'
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id_str = f'{f"_StToId" if train_to_id_first else ""}'
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tsk_str = f'{f"_Tsk_{tsk_threshold}" if train_to_task_first and tsk_threshold != 1 else ""}'
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sprs_str = '_sprs' if use_sparse_network else ''
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f_str = f'_f_{force_st_for_n_from_last_epochs}' if \
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force_st_for_n_from_last_epochs and sequential_task_train and train_to_task_first else ""
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config_str = f'{res_str}{id_str}{tsk_str}{f_str}{sprs_str}'
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exp_path = Path('output') / f'mn_{st_str}_{EPOCH}_{weight_hidden_size}{config_str}'
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if not training:
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# noinspection PyRedeclaration
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exp_path = Path('output') / 'mn_st_n_2_100_4'
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for seed in range(n_seeds):
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seed_path = exp_path / str(seed)
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seed_path.mkdir(exist_ok=True, parents=True)
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model_path = seed_path / '0000_trained_model.zip'
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df_store_path = seed_path / 'train_store.csv'
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weight_store_path = seed_path / 'weight_store.csv'
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init_st_store_path = seed_path / 'init_st_counter.csv'
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srnn_parameters = dict()
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if training:
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# Check if files do exist on project location, warn and break.
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for path in [model_path, df_store_path, weight_store_path]:
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assert not path.exists(), f'Path "{path}" already exists. Check your configuration!'
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utility_transforms = Compose([ToTensor(), ToFloat(), Resize((15, 15)), Flatten(start_dim=0)])
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try:
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dataset = MNIST(str(data_path), transform=utility_transforms)
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except RuntimeError:
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dataset = MNIST(str(data_path), transform=utility_transforms, download=True)
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d = DataLoader(dataset, batch_size=BATCHSIZE, shuffle=True, drop_last=True, num_workers=WORKER)
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interface = np.prod(dataset[0][0].shape)
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dense_metanet = MetaNet(interface, depth=3, width=6, out=10, residual_skip=residual_skip,
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weight_hidden_size=weight_hidden_size
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).to(DEVICE)
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sparse_metanet = SparseNetwork(interface, depth=3, width=6, out=10, residual_skip=residual_skip,
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weight_hidden_size=weight_hidden_size
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).to(DEVICE) if use_sparse_network else dense_metanet
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meta_weight_count = sum(p.numel() for p in next(dense_metanet.particles).parameters())
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loss_fn = nn.CrossEntropyLoss()
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optimizer = torch.optim.SGD(sparse_metanet.parameters(), lr=0.004, momentum=0.9)
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train_store = new_storage_df('train', None)
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weight_store = new_storage_df('weights', meta_weight_count)
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if train_to_task_first:
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dense_metanet = dense_metanet.train()
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for epoch in trange(10):
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for batch, (batch_x, batch_y) in tqdm(enumerate(d), total=len(d), desc='Train - Batch'):
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# Task Train
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# Zero your gradients for every batch!
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optimizer.zero_grad()
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batch_x, batch_y = batch_x.to(DEVICE), batch_y.to(DEVICE)
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y_pred = dense_metanet(batch_x)
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loss = loss_fn(y_pred, batch_y.to(torch.long))
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loss.backward()
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# Adjust learning weights
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optimizer.step()
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step_log = dict(Epoch=epoch, Batch=batch,
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Metric='Task Loss', Score=loss.item())
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train_store.loc[train_store.shape[0]] = step_log
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# Transfer weights
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if use_sparse_network:
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sparse_metanet = sparse_metanet.replace_weights_by_particles(dense_metanet.particles)
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if train_to_id_first:
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sparse_metanet = sparse_metanet.train()
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init_st_epochs = 1500
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init_st_df = pd.DataFrame(columns=['Epoch', 'Func Type', 'Count'])
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for st_epoch in trange(init_st_epochs):
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_ = sparse_metanet.combined_self_train(optimizer)
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if st_epoch % 500 == 0:
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counter = defaultdict(lambda: 0)
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id_functions = test_for_fixpoints(counter, list(sparse_metanet.particles))
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counter = dict(counter)
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tqdm.write(f"identity_fn after {st_epoch} self-train epochs: {counter}")
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for key, value in counter.items():
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init_st_df.loc[init_st_df.shape[0]] = (st_epoch, key, value)
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sparse_metanet.reset_diverged_particles()
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counter = defaultdict(lambda: 0)
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id_functions = test_for_fixpoints(counter, list(sparse_metanet.particles))
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counter = dict(counter)
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tqdm.write(f"identity_fn after {init_st_epochs} self-train epochs: {counter}")
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for key, value in counter.items():
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init_st_df.loc[init_st_df.shape[0]] = (init_st_epochs, key, value)
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init_st_df.to_csv(init_st_store_path, mode='w', index=False)
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c = pd.read_csv(init_st_store_path)
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sns.lineplot(data=c, x='Epoch', y='Count', hue='Func Type')
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plt.savefig(init_st_store_path.parent / f'{init_st_store_path.stem}.png', dpi=300)
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# Transfer weights
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if use_sparse_network:
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dense_metanet = dense_metanet.replace_particles(sparse_metanet.particle_weights)
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for epoch in trange(EPOCH, desc=f'Train - Epochs'):
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tqdm.write(f'{seed}: {exp_path}')
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is_validation_epoch = (epoch % VALIDATION_FRQ == 0) if not debug else True
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is_self_train_epoch = (epoch % SELF_TRAIN_FRQ == 0) if not debug else True
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sparse_metanet = sparse_metanet.train()
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dense_metanet = dense_metanet.train()
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if is_validation_epoch:
|
|
metric = torchmetrics.Accuracy()
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|
else:
|
|
metric = None
|
|
|
|
for batch, (batch_x, batch_y) in tqdm(enumerate(d), total=len(d), desc='Train - Batch'):
|
|
|
|
# Self Train
|
|
if is_self_train_epoch:
|
|
for _ in range(n_st_per_batch):
|
|
self_train_loss = sparse_metanet.combined_self_train(optimizer)
|
|
# noinspection PyUnboundLocalVariable
|
|
step_log = dict(Epoch=epoch, Batch=batch,
|
|
Metric='Self Train Loss', Score=self_train_loss.item())
|
|
train_store.loc[train_store.shape[0]] = step_log
|
|
# Clean Divergent
|
|
sparse_metanet.reset_diverged_particles()
|
|
# Transfer weights
|
|
if use_sparse_network:
|
|
dense_metanet = dense_metanet.replace_particles(sparse_metanet.particle_weights)
|
|
|
|
# Task Train
|
|
# Zero your gradients for every batch!
|
|
optimizer.zero_grad()
|
|
batch_x, batch_y = batch_x.to(DEVICE), batch_y.to(DEVICE)
|
|
y_pred = dense_metanet(batch_x)
|
|
|
|
loss = loss_fn(y_pred, batch_y.to(torch.long))
|
|
loss.backward()
|
|
|
|
# Adjust learning weights
|
|
optimizer.step()
|
|
|
|
# Transfer weights
|
|
if use_sparse_network:
|
|
sparse_metanet = sparse_metanet.replace_weights_by_particles(dense_metanet.particles)
|
|
|
|
step_log = dict(Epoch=epoch, Batch=batch,
|
|
Metric='Task Loss', Score=loss.item())
|
|
train_store.loc[train_store.shape[0]] = step_log
|
|
if is_validation_epoch:
|
|
metric(y_pred.cpu(), batch_y.cpu())
|
|
|
|
if batch >= 3 and debug:
|
|
break
|
|
|
|
if is_validation_epoch:
|
|
dense_metanet = dense_metanet.eval()
|
|
|
|
validation_log = dict(Epoch=int(epoch), Batch=BATCHSIZE,
|
|
Metric='Train Accuracy', Score=metric.compute().item())
|
|
train_store.loc[train_store.shape[0]] = validation_log
|
|
|
|
accuracy = checkpoint_and_validate(dense_metanet, seed_path, epoch).item()
|
|
validation_log = dict(Epoch=int(epoch), Batch=BATCHSIZE,
|
|
Metric='Test Accuracy', Score=accuracy)
|
|
train_store.loc[train_store.shape[0]] = validation_log
|
|
|
|
if is_validation_epoch:
|
|
counter_dict = defaultdict(lambda: 0)
|
|
# This returns ID-functions
|
|
_ = test_for_fixpoints(counter_dict, list(dense_metanet.particles))
|
|
counter_dict = dict(counter_dict)
|
|
for key, value in counter_dict.items():
|
|
step_log = dict(Epoch=int(epoch), Batch=BATCHSIZE, Metric=key, Score=value)
|
|
train_store.loc[train_store.shape[0]] = step_log
|
|
tqdm.write(f'Fixpoint Tester Results: {counter_dict}')
|
|
|
|
for particle in dense_metanet.particles:
|
|
weight_log = (epoch, particle.name, *flat_for_store(particle.parameters()))
|
|
weight_store.loc[weight_store.shape[0]] = weight_log
|
|
train_store.to_csv(df_store_path, mode='a', header=not df_store_path.exists(),
|
|
index=False)
|
|
weight_store.to_csv(weight_store_path, mode='a', header=not weight_store_path.exists(),
|
|
index=False)
|
|
train_store = new_storage_df('train', None)
|
|
weight_store = new_storage_df('weights', meta_weight_count)
|
|
|
|
dense_metanet.eval()
|
|
|
|
counter_dict = defaultdict(lambda: 0)
|
|
# This returns ID-functions
|
|
_ = test_for_fixpoints(counter_dict, list(dense_metanet.particles))
|
|
for key, value in dict(counter_dict).items():
|
|
step_log = dict(Epoch=int(EPOCH), Batch=BATCHSIZE, Metric=key, Score=value)
|
|
train_store.loc[train_store.shape[0]] = step_log
|
|
accuracy = checkpoint_and_validate(dense_metanet, seed_path, EPOCH, final_model=True)
|
|
validation_log = dict(Epoch=EPOCH, Batch=BATCHSIZE,
|
|
Metric='Test Accuracy', Score=accuracy.item())
|
|
for particle in dense_metanet.particles:
|
|
weight_log = (EPOCH, particle.name, *(flat_for_store(particle.parameters())))
|
|
weight_store.loc[weight_store.shape[0]] = weight_log
|
|
|
|
train_store.loc[train_store.shape[0]] = validation_log
|
|
train_store.to_csv(df_store_path, mode='a', header=not df_store_path.exists(), index=False)
|
|
weight_store.to_csv(weight_store_path, mode='a', header=not weight_store_path.exists(), index=False)
|
|
|
|
plot_training_result(df_store_path)
|
|
plot_training_particle_types(df_store_path)
|
|
|
|
try:
|
|
model_path = next(seed_path.glob(f'*e{EPOCH}.tp'))
|
|
except StopIteration:
|
|
print('Model pattern did not trigger.')
|
|
print(f'Search path was: {seed_path}:')
|
|
print(f'Found Models are: {list(seed_path.rglob(".tp"))}')
|
|
exit(1)
|
|
latest_model = torch.load(model_path, map_location=DEVICE).eval()
|
|
try:
|
|
run_particle_dropout_and_plot(seed_path)
|
|
except ValueError as e:
|
|
print(e)
|
|
try:
|
|
plot_network_connectivity_by_fixtype(model_path)
|
|
except ValueError as e:
|
|
print(e)
|
|
|
|
if n_seeds >= 2:
|
|
pass
|