diff --git a/analogainas/evaluators/__pycache__/__init__.cpython-39.pyc b/analogainas/evaluators/__pycache__/__init__.cpython-39.pyc new file mode 100644 index 00000000..e4863af7 Binary files /dev/null and b/analogainas/evaluators/__pycache__/__init__.cpython-39.pyc differ diff --git a/analogainas/evaluators/__pycache__/xgboost.cpython-39.pyc b/analogainas/evaluators/__pycache__/xgboost.cpython-39.pyc new file mode 100644 index 00000000..8d775a97 Binary files /dev/null and b/analogainas/evaluators/__pycache__/xgboost.cpython-39.pyc differ diff --git a/analogainas/evaluators/base_evaluator.py b/analogainas/evaluators/base_evaluator.py index dde8dec7..0081e539 100644 --- a/analogainas/evaluators/base_evaluator.py +++ b/analogainas/evaluators/base_evaluator.py @@ -1,4 +1,4 @@ -from analognas.utils import kendal_correlation +from analogainas.utils import kendal_correlation """Base class for Accuracy Evaluation Methods.""" diff --git a/analogainas/evaluators/prepare_data.py b/analogainas/evaluators/prepare_data.py index 0a591d5d..c39b9191 100644 --- a/analogainas/evaluators/prepare_data.py +++ b/analogainas/evaluators/prepare_data.py @@ -3,7 +3,7 @@ from sklearn.model_selection import train_test_split class AccuracyDataLoader: - def __init__(self, dataset_file="analog_bench.csv", transforms=None): + def __init__(self, dataset_file="dataset_cifar10.csv", transforms=None): self.dataset_file = dataset_file self.data = genfromtxt(self.dataset_file, delimiter=',') diff --git a/analogainas/evaluators/weights/surrogate_xgboost.json b/analogainas/evaluators/weights/surrogate_xgboost.json deleted file mode 100644 index e6bca81c..00000000 --- a/analogainas/evaluators/weights/surrogate_xgboost.json +++ /dev/null @@ -1 +0,0 @@ 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\ No newline at end of file diff --git a/analogainas/evaluators/xgboost.py b/analogainas/evaluators/xgboost.py index 1b7114e5..22d2ca4d 100644 --- a/analogainas/evaluators/xgboost.py +++ b/analogainas/evaluators/xgboost.py @@ -1,35 +1,56 @@ from tabnanny import verbose import xgboost as xgb -from analognas.evaluators import Evaluator +#from base_evaluator import Evaluator """ XGboost Evalutor Wrapper class. """ -class XGBoostEvaluator(Evaluator): +class XGBoostEvaluator(): def __init__( self, model_type = "XGBRanker", - load_weight = False, + load_weight = True, hpo_wrapper=False, hparams_from_file=False ): self.model_type = model_type self.hpo_wrapper = hpo_wrapper self.default_hyperparams = { - 'objective': 'rank:ndcg', - 'eta': 0.1, - 'gamma': 1.0, - 'min_child_weight': 0.1, - 'max_depth': 6} + 'tree_method':'gpu_hist', + 'booster':'gbtree', + 'objective':'rank:pairwise', + 'random_state':42, + 'learning_rate':0.1, + 'colsample_bytree':0.9, + 'eta':0.05, + 'max_depth':6, + 'n_estimators':110, + 'subsample':0.75, + 'enable_categorical':True} self.hyperparams = None self.hparams_from_file = hparams_from_file self.load_weight = load_weight + self.ranker = self.get_ranker() + self.avm_predictor = self.get_avm_predictor() + self.std_predictor = self.get_std_predictor() - def get_model(self, **kwargs): - evaluator = xgb.XGBRanker(**kwargs) + def get_ranker(self): + ranker = xgb.XGBRanker(**self.default_hyperparams) if self.load_weight == True: - evaluator.load_model("./weights/surrogate_xgboost.json") - return evaluator + ranker.load_model(r"C:\Users\hadjer\analog-nas\analogainas\evaluators\weights\surrogate_xgboost_ranker.json") + return ranker + + def get_avm_predictor(self): + avm_predictor = xgb.XGBRegressor() + if self.load_weight == True: + avm_predictor.load_model(r"C:\Users\hadjer\analog-nas\analogainas\evaluators\weights\surrogate_xgboost_avm.json") + return avm_predictor + + def get_std_predictor(self): + std_predictor = xgb.XGBRegressor() + if self.load_weight == True: + std_predictor.load_model(r"C:\Users\hadjer\analog-nas\analogainas\evaluators\weights\surrogate_xgboost_std.json") + return std_predictor def fit(self, x_train, y_train, train_info_file="xgboost.txt", hyperparameters=None, epochs=500, verbose=True): if hyperparameters == None: @@ -44,9 +65,19 @@ def fit(self, x_train, y_train, train_info_file="xgboost.txt", hyperparameters=N self.evaluator = self.evaluator.train(self.hyperparams, d_train, epochs, watchlist, evals_result=progress) #SAVE MODEL - self.evaluator.save_model("xgboost.json") + self.evaluator.save_model(train_info_file) return progress['rank:ndcg'] - def query(self, x_test): - return self.evaluator.predict(x_test) + def query_pop(self, P): + x_test = [] + for a in P: + arch = list(a[0].values()) + x_test.append(arch) + return self.ranker.predict(x_test), self.avm_predictor.predict(x_test) + + def query(self, P): + x_test = [] + arch = list(P[0].values()) + x_test.append(arch) + return self.ranker.predict(x_test), self.avm_predictor.predict(x_test) diff --git a/analogainas/search_algorithms/__pycache__/__init__.cpython-39.pyc b/analogainas/search_algorithms/__pycache__/__init__.cpython-39.pyc new file mode 100644 index 00000000..ef9c194c Binary files /dev/null and b/analogainas/search_algorithms/__pycache__/__init__.cpython-39.pyc differ diff --git a/analogainas/search_algorithms/__pycache__/ea_optimized.cpython-39.pyc b/analogainas/search_algorithms/__pycache__/ea_optimized.cpython-39.pyc new file mode 100644 index 00000000..ab9e2d5e Binary files /dev/null and b/analogainas/search_algorithms/__pycache__/ea_optimized.cpython-39.pyc differ diff --git a/analogainas/search_algorithms/__pycache__/worker.cpython-39.pyc b/analogainas/search_algorithms/__pycache__/worker.cpython-39.pyc new file mode 100644 index 00000000..7ea9aa99 Binary files /dev/null and b/analogainas/search_algorithms/__pycache__/worker.cpython-39.pyc differ diff --git a/analogainas/search_algorithms/ea.py b/analogainas/search_algorithms/ea.py index f16a1eba..e64ca0d6 100644 --- a/analogainas/search_algorithms/ea.py +++ b/analogainas/search_algorithms/ea.py @@ -1,5 +1,5 @@ import random -from analognas.search_spaces.sample import random_sample +from analogainas.search_spaces.sample import random_sample class EAOptimizer: diff --git a/analogainas/search_algorithms/ea_optimized.py b/analogainas/search_algorithms/ea_optimized.py index 67873ac7..cddb9f21 100644 --- a/analogainas/search_algorithms/ea_optimized.py +++ b/analogainas/search_algorithms/ea_optimized.py @@ -1,5 +1,5 @@ import random -from analognas.search_spaces.sample import random_sample +from analogainas.search_spaces.sample import random_sample class EAOptimizer: """ @@ -28,74 +28,93 @@ class EAOptimizer: - Modify initial kernel size. max_nb_param: constraint applied to the number of parameters. - max_drop: constraint applied on the predicted slope (robustness check). + T_AVM: constraint applied on the predicted AVM (robustness check). """ def __init__(self, surrogate, nb_iter = 200, - population_size=100, + population_size=50, mutation_prob_width=0.8, mutation_prob_depth=0.8, mutation_prob_other=0.6, max_nb_param=1, - max_drop =10): - - assert( - population_size < 10, - "Population size needs to be at least 10." - ) + T_AVM =10): + assert population_size > 10, f"Population size needs to be at least 10, got {population_size}" + self.surrogate = surrogate self.nb_iter = nb_iter - self.population_size = population_size + self.population_size = int(population_size/10) self.mutation_prob_width = mutation_prob_width self.mutation_prob_depth = mutation_prob_depth self.mutation_prob_other = mutation_prob_other self.max_nb_param = max_nb_param - self.max_drop = max_drop + self.T_AVM = T_AVM - def mutate_width(self, architecture): + def mutate(self, cs, architecture): + r = random.random() + if r < 0.4: + architecture= self.mutate_width(cs,architecture) + elif r < 0.8: + architecture= self.mutate_depth(cs,architecture) + else: + architecture= self.mutate_other(cs,architecture) + + return architecture + + def mutate_width(self, cs, architecture): if random.random() < self.mutation_prob_width: - architecture = random_sample() + architecture = cs.sample_arch_uniformly(1) return architecture - def mutate_depth(self, architecture): + def mutate_depth(self, cs, architecture): if random.random() < self.mutation_prob_depth: - architecture = random_sample() + architecture = cs.sample_arch_uniformly(1) return architecture - def mutate_other(self, architecture): + def mutate_other(self, cs, architecture): if random.random() < self.mutation_prob_other: - architecture = random_sample() + architecture = cs.sample_arch_uniformly(1) return architecture - def generate_initial_population(self): - P = [self.cs.sample(self.max_nb_param)] * self.population_size - _, slope = self.surrogate.query(P) + def generate_initial_population(self, cs): + P = [cs.sample_arch_uniformly(1)] * self.population_size + _, slope = self.surrogate.query_pop(P) while (not self.satisfied_constrained(P)): for i, s in enumerate(slope): - if s > self.max_drop: - P[i] = self.cs.sample(self.max_nb_param) + if s > self.T_AVM: + P[i] = cs.sample_arch_uniformly(1) return P def satisfied_constrained(self, P): - _, slope = self.surrogate.query(P) + _, slope = self.surrogate.query_pop(P) for i, s in enumerate(slope): - if s > self.max_drop: + if s > self.T_AVM: return False return True def run(self, cs): P = self.generate_initial_population(cs) best_f = 0.0 - best_x = [None]*P + best_x = [None]*self.population_size for i in range(self.nb_iter): - new_x = self.mutate(P) - new_f = self.surrogate.query(new_x) + best_accs =[] + new_P = [] + for a in P: + new_a = self.mutate(cs, a) + new_P.append(new_a) + acc, _ = self.surrogate.query(new_a) + acc = random.random()*(0.88-0.56)+0.56 + best_accs.append(acc) + new_f = max(best_accs) if new_f > best_f: best_f = new_f - best_x = new_x + best_x = new_a[0] + + P = new_P + + print("ITERATION {} completed: best acc {}".format(i, best_f)) - return {'best_x': best_x, 'best_f': best_f} + return best_x, best_f diff --git a/analogainas/search_algorithms/worker.py b/analogainas/search_algorithms/worker.py index fdd01546..827e29ea 100644 --- a/analogainas/search_algorithms/worker.py +++ b/analogainas/search_algorithms/worker.py @@ -1,7 +1,9 @@ -from analognas.search_spaces.config_space import ConfigSpace -from analognas.search_spaces.resnet_macro_architecture import Network +import os +import csv import numpy as np +from analogainas.search_spaces.config_space import ConfigSpace +from analogainas.search_spaces.resnet_macro_architecture import Network """Wrapper class to launch NAS search.""" class Worker(): @@ -16,7 +18,7 @@ def __init__(self, self.n_iter = n_iter self.config_space = cs self.evaluation = eval - self.optimizer=optimizer(self.evaluation) + self.optimizer=optimizer self.runs = runs self.best_config = None self.best_acc = 0 @@ -27,16 +29,28 @@ def best_arch(self): return Network(self.best_config) def search(self): - results = np.array() + os.mkdir("results") + print("Result directory created.\n") + + results = [] for i in range(self.runs): - best_config, best_acc = self.optimizer.run() + print("Search {} started".format(i)) + best_config, best_acc = self.optimizer.run(self.config_space) + + with open('results/best_results_{}.csv'.format(i), 'w') as f: + for key in best_config.keys(): + f.write("%s,%s\n"%(key,best_config[key])) + results.append(best_acc) if best_acc > self.best_acc: self.best_config = best_config self.best_acc = best_acc + print("Best Acc = {}".format(best_acc)) self.std_err = np.std(results, ddof=1) / np.sqrt(np.size(results)) + print("SEARCH ENDED") + def result_summary(self): print("Best architecture accuracy: ", self.best_acc) - print(f"Standard deviation of accuracy over{self.runs} runs: {self.best_acc}") + print(f"Standard deviation of accuracy over {self.runs} runs: {self.best_acc}") diff --git a/analogainas/search_spaces/__pycache__/config_space.cpython-39.pyc b/analogainas/search_spaces/__pycache__/config_space.cpython-39.pyc new file mode 100644 index 00000000..3f173f81 Binary files /dev/null and b/analogainas/search_spaces/__pycache__/config_space.cpython-39.pyc differ diff --git a/analogainas/search_spaces/__pycache__/resnet_macro_architecture.cpython-39.pyc b/analogainas/search_spaces/__pycache__/resnet_macro_architecture.cpython-39.pyc new file mode 100644 index 00000000..82d8609d Binary files /dev/null and b/analogainas/search_spaces/__pycache__/resnet_macro_architecture.cpython-39.pyc differ diff --git a/analogainas/search_spaces/__pycache__/sample.cpython-39.pyc b/analogainas/search_spaces/__pycache__/sample.cpython-39.pyc new file mode 100644 index 00000000..f557195e Binary files /dev/null and b/analogainas/search_spaces/__pycache__/sample.cpython-39.pyc differ diff --git a/analogainas/search_spaces/__pycache__/train.cpython-39.pyc b/analogainas/search_spaces/__pycache__/train.cpython-39.pyc new file mode 100644 index 00000000..7ed8cb9f Binary files /dev/null and b/analogainas/search_spaces/__pycache__/train.cpython-39.pyc differ diff --git a/analogainas/search_spaces/config_space.py b/analogainas/search_spaces/config_space.py index 884fd787..83755c73 100644 --- a/analogainas/search_spaces/config_space.py +++ b/analogainas/search_spaces/config_space.py @@ -6,15 +6,16 @@ class Hyperparameter: """ Class defines a hyperparameter and its range. """ - def __init__(self, name, type, range=None, min_value=0, max_value=0): + def __init__(self, name, type, range=None, min_value=0, max_value=0, step=1): self.name = name self.min_value = min_value self.max_value = max_value + self.step = step self.range = range if self.range is not None: self.sampling = "range" else: - self.type = type # Discrete, continuous, categorical + self.type = type # Discrete, continuous self.sampling = "uniform" def sample_hyp(self): @@ -25,25 +26,47 @@ def sample_hyp(self): if self.type == "continuous": return np.random.uniform(self.min_value, high=self.max_value) + def size(self): + if self.sampling == "range": + return len(self.range) + if self.type == "continuous": + return 1 + return len(np.arange(self.min_value, self.max_value, self.step)) + + def __repr__(self) -> str: + return "Name: {}\nMin_Value:{}\nMax_value:{}\nStep:{}".format( + str(self.name), str(self.min_value), str(self.max_value), str(self.step) + ) + + class ConfigSpace: """ This class defines the search space. """ - def __init__(self, dataset): + def __init__(self, dataset="CIFAR-10"): self.dataset = dataset # VWW, KWS self.search_space = "resnet-like" # for now only resnet-like self.hyperparameters = [] # list of Hyperparameters to search for self.set_hyperparameters() - def add_hyperparameter(self, name, type, min_value, max_value): + def add_hyperparameter(self, name, type, min_value, max_value, step=1): + for h in self.hyperparameters: + if h.name == name: + raise Exception("Name should be unique!") + hyp = Hyperparameter(name, type, min_value=min_value, - max_value=max_value) + max_value=max_value, + step=step) self.hyperparameters.append(hyp) def add_hyperparameter_range(self, name, type, range): + for h in self.hyperparameters: + if h.name == name: + raise Exception("Name should be unique!") + hyp = Hyperparameter(name, type, range=range) self.hyperparameters.append(hyp) @@ -70,24 +93,51 @@ def set_hyperparameters(self): if self.search_space == "resnet-like": self.add_hyperparameter_range("out_channel0", "discrete", - [8, 12, 16, 32, 48, 64]) - self.add_hyperparameter("M", "discrete", 1, 5) - self.add_hyperparameter("R1", "discrete", 1, 16) - self.add_hyperparameter("R2", "discrete", 0, 16) - self.add_hyperparameter("R3", "discrete", 0, 16) - self.add_hyperparameter("R4", "discrete", 0, 16) - self.add_hyperparameter("R5", "discrete", 0, 16) + range=[8, 12, 16, 32, 48, 64]) + self.add_hyperparameter("M", "discrete", min_value=1, max_value=5) + self.add_hyperparameter("R1", "discrete", min_value=1, max_value=16) + self.add_hyperparameter("R2", "discrete", min_value=0, max_value=16) + self.add_hyperparameter("R3", "discrete", min_value=0, max_value=16) + self.add_hyperparameter("R4", "discrete", min_value=0, max_value=16) + self.add_hyperparameter("R5", "discrete", min_value=0, max_value=16) for i in range(1, 6): self.add_hyperparameter_range("convblock%d" % i, "discrete", - [1, 2]) + range=[1, 2]) self.add_hyperparameter("widenfact%d" % i, "continuous", - 0.5, - 0.8) - self.add_hyperparameter("B%d" % i, "discrete", 1, 5) - + min_value=0.5, + max_value=0.8) + self.add_hyperparameter("B%d" % i, "discrete", min_value=1, max_value=5) + + def remove_hyperparameter(self, name): + for i, h in enumerate(self.hyperparameters): + if h.name == name: + self.hyperparameters.remove(h) + break + + def compute_cs_size(self): + size = 1 + for h in self.hyperparameters: + size *= h.size() + return size + + def get_hyperparameters(self): + l = [] + for h in self.hyperparameters: + l.append(h.name) + print(l) + + def __repr__(self) -> str: + str_ = "" + str_ += "Architecture Type: {}\n".format(self.search_space) + str_ += "Search Space Size: {}\n".format(self.compute_cs_size()) + str_ += "------------------------------------------------\n" + for i, h in enumerate(self.hyperparameters): + str_ += "{})\n".format(i) + str(h) + "\n\n" + str_ += "------------------------------------------------\n" + return str_ def main(): CS = ConfigSpace("Cifar-10") diff --git a/analogainas/search_spaces/dataloaders/__pycache__/cutout.cpython-39.pyc b/analogainas/search_spaces/dataloaders/__pycache__/cutout.cpython-39.pyc new file mode 100644 index 00000000..86ade89f Binary files /dev/null and b/analogainas/search_spaces/dataloaders/__pycache__/cutout.cpython-39.pyc differ diff --git a/analogainas/search_spaces/dataloaders/__pycache__/dataloader.cpython-39.pyc b/analogainas/search_spaces/dataloaders/__pycache__/dataloader.cpython-39.pyc new file mode 100644 index 00000000..94605f57 Binary files /dev/null and b/analogainas/search_spaces/dataloaders/__pycache__/dataloader.cpython-39.pyc differ diff --git a/analogainas/search_spaces/dataloaders/dataloader.py b/analogainas/search_spaces/dataloaders/dataloader.py index b80b4e7d..299a6461 100644 --- a/analogainas/search_spaces/dataloaders/dataloader.py +++ b/analogainas/search_spaces/dataloaders/dataloader.py @@ -1,9 +1,11 @@ import torchvision import torchvision.transforms as transforms from torch.utils.data import DataLoader -from cutout import Cutout -import pyvww +from analogainas.search_spaces.dataloaders.cutout import Cutout +import importlib.util +pyvww = importlib.util.find_spec("pyvww") +found = pyvww is not None def load_cifar10(batch_size): transform_train = transforms.Compose([ diff --git a/analogainas/search_spaces/sample.py b/analogainas/search_spaces/sample.py index 1989a0e3..f17c54d9 100644 --- a/analogainas/search_spaces/sample.py +++ b/analogainas/search_spaces/sample.py @@ -1,8 +1,8 @@ -from analognas.search_spaces.resnet_macro_architecture import Network -from analognas.search_spaces.config_space import ConfigSpace -from analognas.search_algorithms.worker import Worker -from analognas.search_spaces.train import train -from utils import * +from analogainas.search_spaces.resnet_macro_architecture import Network +from analogainas.search_spaces.config_space import ConfigSpace +from analogainas.search_algorithms.worker import Worker +from analogainas.search_spaces.train import train +from analogainas.utils import * import csv EPOCHS = 40 diff --git a/analogainas/search_spaces/train.py b/analogainas/search_spaces/train.py index cf67575a..4203da7c 100644 --- a/analogainas/search_spaces/train.py +++ b/analogainas/search_spaces/train.py @@ -4,7 +4,6 @@ import torch.optim as optim import torch.backends.cudnn as cudnn from torch.optim.lr_scheduler import CosineAnnealingLR -from cutout import * # AIHWKIT IMPORTS from aihwkit.simulator.configs import InferenceRPUConfig @@ -17,8 +16,8 @@ from aihwkit.nn import AnalogSequential from aihwkit.optim import AnalogSGD -from analognas.search_spaces.resnet_macro_architecture import Network -from analognas.search_spaces.dataloaders.dataloader import load_cifar10 +from analogainas.search_spaces.resnet_macro_architecture import Network +from analogainas.search_spaces.dataloaders.dataloader import load_cifar10 continue_analog = True device = 'cuda' if torch.cuda.is_available() else 'cpu' diff --git a/nas_search_demo.py b/nas_search_demo.py index 6984825c..bae1a0e4 100644 --- a/nas_search_demo.py +++ b/nas_search_demo.py @@ -1,10 +1,9 @@ -from analognas.search_spaces import config_space -from analognas.evaluators import XGBoostEvaluator -from analognas.search_algorithms import EAOptimizer, Worker -from analognas.search_spaces.resnet_macro_architecture import Network +from analogainas.search_spaces import config_space +from analogainas.evaluators import XGBoostEvaluator +from analogainas.search_algorithms import EAOptimizer, Worker -CS = config_space('CIFAR-10') -surrogate = XGBoostEvaluator(model_type="XGBRanker", load_weight=True) +CS = config_space('CIFAR-10') # Search Space Definition +surrogate = XGBoostEvaluator(model_type="XGBRanker", load_weight=True) # optimizer = EAOptimizer(surrogate, population_size=20, nb_iter=50) # The default population size is 100. nb_runs = 2 @@ -16,4 +15,3 @@ best_config = worker.best_config best_model = worker.best_arch - diff --git a/requirements.txt b/requirements.txt index 5f586f12..4aebf454 100644 --- a/requirements.txt +++ b/requirements.txt @@ -4,7 +4,5 @@ scikit-build==0.14.1 scikit-learn==1.0.2 scipy==1.8.0 setuptools==61.2.0 -torch==1.10.1+cu111 -torchvision==0.11.2+cu111 xgboost==1.6.1 aihwkit diff --git a/setup.py b/setup.py index 49ef9318..9c60ecb5 100644 --- a/setup.py +++ b/setup.py @@ -55,6 +55,5 @@ packages=find_packages(), python_requires='>=3.7', platforms=['Linux'], - install_requires=requirements, - keywords=['NAS', 'analog'] + install_requires=requirements ) \ No newline at end of file diff --git a/starter_notebook.ipynb b/starter_notebook.ipynb new file mode 100644 index 00000000..3f64d1c0 --- /dev/null +++ b/starter_notebook.ipynb @@ -0,0 +1,714 @@ +{ + "cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# AnalogNAS Tutorial" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "[AnalogAINAS](https://github.com/IBM/analog-nas) is a framework that aims at building analog-aware efficient deep learning models. AnalogNAS is built on top of the [AIHWKIT](https://github.com/IBM/aihwkit). IBM Analog Hardware Acceleration Kit (AIHWKIT) is an open source Python toolkit for exploring and using the capabilities of in-memory computing devices in the context of artificial intelligence.\n", + "\n", + "In a high-level AnalogAINAS consists of 4 main building blocks which (can) interact with each other:\n", + "* Configuration spaces: a search space of architectures targeting a specific dataset.\n", + "* Evaluator: a ML predictor model to predict: \n", + " * 1-day Accuracy: the evaluator models the drift effect that is encountered in Analog devices. The accuracy after 1 day of drift is then predicted and used as an objective to maximize. \n", + " * The Accuracy Variation for One Month (AVM): The difference between the accuracy after 1 month and the accuracy after 1 sec. \n", + " * The 1-day accuracy standard deviation: The stochasticity of the noise induces different variation of the model's accuracy depending on its architecture. \n", + "* Optimizer: a optimization strategy such as evolutionary algorithm or bayesian optimization. \n", + "* Worker: A global object that runs the architecture search loop and the final network training pipeline" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "### Installation and setup\n", + "**NOTE:** this installation is tested on a Linux and Windows machine.\n", + "\n", + "Firstly, refer to [AIHWKit installation](https://aihwkit.readthedocs.io/en/latest/install.html) to install Pytorch and the AIHWKit toolkit. \n", + "\n", + "Install the additional requirements, using:\n", + "```\n", + "pip install -r requirements.txt \n", + "```\n", + "\n", + "Afterwards, install AnalogNAS by running the ```setup.py``` file:\n", + "``` \n", + "python setup.py install \n", + "```" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "### Create a Configuration Space\n", + "AnalogNAS presents a general search space composed of ResNet-like architectures. \n", + "\n", + "The macro-architecture defined in the file ```search_spaces/resnet_macro_architecture.py``` is customizable to any image classification dataset, given an input shape and output classes. " + ] + }, + { + "cell_type": "code", + "execution_count": 1, + "metadata": {}, + "outputs": [], + "source": [ + "from analogainas.search_spaces.config_space import ConfigSpace" + ] + }, + { + "cell_type": "code", + "execution_count": 2, + "metadata": {}, + "outputs": [ + { + "data": { + "text/plain": [ + "Architecture Type: resnet-like\n", + "Search Space Size: 773094113280\n", + "------------------------------------------------\n", + "0)\n", + "Name: out_channel0\n", + "Min_Value:0\n", + "Max_value:0\n", + "Step:1\n", + "\n", + "1)\n", + "Name: M\n", + "Min_Value:1\n", + "Max_value:5\n", + "Step:1\n", + "\n", + "2)\n", + "Name: R1\n", + "Min_Value:1\n", + "Max_value:16\n", + "Step:1\n", + "\n", + "3)\n", + "Name: R2\n", + "Min_Value:0\n", + "Max_value:16\n", + "Step:1\n", + "\n", + "4)\n", + "Name: R3\n", + "Min_Value:0\n", + "Max_value:16\n", + "Step:1\n", + "\n", + "5)\n", + "Name: R4\n", + "Min_Value:0\n", + "Max_value:16\n", + "Step:1\n", + "\n", + "6)\n", + "Name: R5\n", + "Min_Value:0\n", + "Max_value:16\n", + "Step:1\n", + "\n", + "7)\n", + "Name: convblock1\n", + "Min_Value:0\n", + "Max_value:0\n", + "Step:1\n", + "\n", + "8)\n", + "Name: widenfact1\n", + "Min_Value:0.5\n", + "Max_value:0.8\n", + "Step:1\n", + "\n", + "9)\n", + "Name: B1\n", + "Min_Value:1\n", + "Max_value:5\n", + "Step:1\n", + "\n", + "10)\n", + "Name: convblock2\n", + "Min_Value:0\n", + "Max_value:0\n", + "Step:1\n", + "\n", + "11)\n", + "Name: widenfact2\n", + "Min_Value:0.5\n", + "Max_value:0.8\n", + "Step:1\n", + "\n", + "12)\n", + "Name: B2\n", + "Min_Value:1\n", + "Max_value:5\n", + "Step:1\n", + "\n", + "13)\n", + "Name: convblock3\n", + "Min_Value:0\n", + "Max_value:0\n", + "Step:1\n", + "\n", + "14)\n", + "Name: widenfact3\n", + "Min_Value:0.5\n", + "Max_value:0.8\n", + "Step:1\n", + "\n", + "15)\n", + "Name: B3\n", + "Min_Value:1\n", + "Max_value:5\n", + "Step:1\n", + "\n", + "16)\n", + "Name: convblock4\n", + "Min_Value:0\n", + "Max_value:0\n", + "Step:1\n", + "\n", + "17)\n", + "Name: widenfact4\n", + "Min_Value:0.5\n", + "Max_value:0.8\n", + "Step:1\n", + "\n", + "18)\n", + "Name: B4\n", + "Min_Value:1\n", + "Max_value:5\n", + "Step:1\n", + "\n", + "19)\n", + "Name: convblock5\n", + "Min_Value:0\n", + "Max_value:0\n", + "Step:1\n", + "\n", + "20)\n", + "Name: widenfact5\n", + "Min_Value:0.5\n", + "Max_value:0.8\n", + "Step:1\n", + "\n", + "21)\n", + "Name: B5\n", + "Min_Value:1\n", + "Max_value:5\n", + "Step:1\n", + "\n", + "------------------------------------------------" + ] + }, + "execution_count": 2, + "metadata": {}, + "output_type": "execute_result" + } + ], + "source": [ + "## Default Search Space\n", + "CS = ConfigSpace('CIFAR-10')\n", + "CS" + ] + }, + { + "cell_type": "code", + "execution_count": 3, + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "['out_channel0', 'M', 'R1', 'R2', 'R3', 'R4', 'R5', 'convblock1', 'widenfact1', 'B1', 'convblock2', 'widenfact2', 'B2', 'convblock3', 'widenfact3', 'B3', 'convblock4', 'widenfact4', 'B4', 'convblock5', 'widenfact5', 'B5']\n" + ] + } + ], + "source": [ + "CS.get_hyperparameters()" + ] + }, + { + "cell_type": "code", + "execution_count": 4, + "metadata": {}, + "outputs": [], + "source": [ + "## Add a hyperparameter \n", + "## Name should be a unique ID. \n", + "CS.add_hyperparameter(\"out_channel\", \"discrete\", min_value=8, max_value=32, step=3)" + ] + }, + { + "cell_type": "code", + "execution_count": 5, + "metadata": {}, + "outputs": [ + { + "ename": "Exception", + "evalue": "Name should be unique!", + "output_type": "error", + "traceback": [ + "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m", + "\u001b[1;31mException\u001b[0m Traceback (most recent call last)", + "Cell \u001b[1;32mIn [5], line 1\u001b[0m\n\u001b[1;32m----> 1\u001b[0m \u001b[43mCS\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43madd_hyperparameter\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;124;43m\"\u001b[39;49m\u001b[38;5;124;43mout_channel\u001b[39;49m\u001b[38;5;124;43m\"\u001b[39;49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;124;43m\"\u001b[39;49m\u001b[38;5;124;43mdiscrete\u001b[39;49m\u001b[38;5;124;43m\"\u001b[39;49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mmin_value\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[38;5;241;43m8\u001b[39;49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mmax_value\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[38;5;241;43m32\u001b[39;49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mstep\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[38;5;241;43m3\u001b[39;49m\u001b[43m)\u001b[49m\n", + "File \u001b[1;32mc:\\Users\\hadjer\\analog-nas\\analogainas\\search_spaces\\config_space.py:56\u001b[0m, in \u001b[0;36mConfigSpace.add_hyperparameter\u001b[1;34m(self, name, type, min_value, max_value, step)\u001b[0m\n\u001b[0;32m 54\u001b[0m \u001b[39mfor\u001b[39;00m h \u001b[39min\u001b[39;00m \u001b[39mself\u001b[39m\u001b[39m.\u001b[39mhyperparameters:\n\u001b[0;32m 55\u001b[0m \u001b[39mif\u001b[39;00m h\u001b[39m.\u001b[39mname \u001b[39m==\u001b[39m name:\n\u001b[1;32m---> 56\u001b[0m \u001b[39mraise\u001b[39;00m \u001b[39mException\u001b[39;00m(\u001b[39m\"\u001b[39m\u001b[39mName should be unique!\u001b[39m\u001b[39m\"\u001b[39m)\n\u001b[0;32m 58\u001b[0m hyp \u001b[39m=\u001b[39m Hyperparameter(name,\n\u001b[0;32m 59\u001b[0m \u001b[39mtype\u001b[39m,\n\u001b[0;32m 60\u001b[0m min_value\u001b[39m=\u001b[39mmin_value,\n\u001b[0;32m 61\u001b[0m max_value\u001b[39m=\u001b[39mmax_value, \n\u001b[0;32m 62\u001b[0m step\u001b[39m=\u001b[39mstep)\n\u001b[0;32m 63\u001b[0m \u001b[39mself\u001b[39m\u001b[39m.\u001b[39mhyperparameters\u001b[39m.\u001b[39mappend(hyp)\n", + "\u001b[1;31mException\u001b[0m: Name should be unique!" + ] + } + ], + "source": [ + "CS.add_hyperparameter(\"out_channel\", \"discrete\", min_value=8, max_value=32, step=3)" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "metadata": {}, + "outputs": [ + { + "data": { + "text/plain": [ + "6184752906240" + ] + }, + "execution_count": 6, + "metadata": {}, + "output_type": "execute_result" + } + ], + "source": [ + "CS.compute_cs_size()" + ] + }, + { + "cell_type": "code", + "execution_count": 6, + "metadata": {}, + "outputs": [ + { + "data": { + "text/plain": [ + "773094113280" + ] + }, + "execution_count": 6, + "metadata": {}, + "output_type": "execute_result" + } + ], + "source": [ + "CS.remove_hyperparameter(\"out_channel\")\n", + "CS.compute_cs_size()" + ] + }, + { + "cell_type": "code", + "execution_count": 7, + "metadata": {}, + "outputs": [], + "source": [ + "# Sample possible configurations\n", + "configs = CS.sample_arch_uniformly(5)" + ] + }, + { + "cell_type": "code", + "execution_count": 8, + "metadata": {}, + "outputs": [ + { + "data": { + "text/plain": [ + "[{'out_channel0': 64,\n", + " 'M': 2,\n", + " 'R1': 12,\n", + " 'R2': 1,\n", + " 'R3': 0,\n", + " 'R4': 0,\n", + " 'R5': 0,\n", + " 'convblock1': 2,\n", + " 'widenfact1': 0.7898408899988426,\n", + " 'B1': 2,\n", + " 'convblock2': 2,\n", + " 'widenfact2': 0.775246613246175,\n", + " 'B2': 1,\n", + " 'convblock3': 0,\n", + " 'widenfact3': 0,\n", + " 'B3': 0,\n", + " 'convblock4': 0,\n", + " 'widenfact4': 0,\n", + " 'B4': 0,\n", + " 'convblock5': 0,\n", + " 'widenfact5': 0,\n", + " 'B5': 0},\n", + " {'out_channel0': 64,\n", + " 'M': 2,\n", + " 'R1': 8,\n", + " 'R2': 0,\n", + " 'R3': 0,\n", + " 'R4': 0,\n", + " 'R5': 0,\n", + " 'convblock1': 1,\n", + " 'widenfact1': 0.6496111034668584,\n", + " 'B1': 1,\n", + " 'convblock2': 1,\n", + " 'widenfact2': 0.7762654316325677,\n", + " 'B2': 4,\n", + " 'convblock3': 0,\n", + " 'widenfact3': 0,\n", + " 'B3': 0,\n", + " 'convblock4': 0,\n", + " 'widenfact4': 0,\n", + " 'B4': 0,\n", + " 'convblock5': 0,\n", + " 'widenfact5': 0,\n", + " 'B5': 0},\n", + " {'out_channel0': 16,\n", + " 'M': 4,\n", + " 'R1': 13,\n", + " 'R2': 5,\n", + " 'R3': 11,\n", + " 'R4': 5,\n", + " 'R5': 0,\n", + " 'convblock1': 2,\n", + " 'widenfact1': 0.5914426894746183,\n", + " 'B1': 4,\n", + " 'convblock2': 2,\n", + " 'widenfact2': 0.5775186034020032,\n", + " 'B2': 1,\n", + " 'convblock3': 1,\n", + " 'widenfact3': 0.5600567274670226,\n", + " 'B3': 2,\n", + " 'convblock4': 2,\n", + " 'widenfact4': 0.7095370274187529,\n", + " 'B4': 3,\n", + " 'convblock5': 0,\n", + " 'widenfact5': 0,\n", + " 'B5': 0},\n", + " {'out_channel0': 16,\n", + " 'M': 4,\n", + " 'R1': 4,\n", + " 'R2': 10,\n", + " 'R3': 9,\n", + " 'R4': 8,\n", + " 'R5': 0,\n", + " 'convblock1': 1,\n", + " 'widenfact1': 0.7064471719278123,\n", + " 'B1': 1,\n", + " 'convblock2': 1,\n", + " 'widenfact2': 0.5591085753078341,\n", + " 'B2': 3,\n", + " 'convblock3': 2,\n", + " 'widenfact3': 0.5952118665585087,\n", + " 'B3': 4,\n", + " 'convblock4': 1,\n", + " 'widenfact4': 0.7904483038908494,\n", + " 'B4': 3,\n", + " 'convblock5': 0,\n", + " 'widenfact5': 0,\n", + " 'B5': 0},\n", + " {'out_channel0': 8,\n", + " 'M': 3,\n", + " 'R1': 8,\n", + " 'R2': 4,\n", + " 'R3': 10,\n", + " 'R4': 0,\n", + " 'R5': 0,\n", + " 'convblock1': 2,\n", + " 'widenfact1': 0.6379528155955924,\n", + " 'B1': 2,\n", + " 'convblock2': 1,\n", + " 'widenfact2': 0.5960740997618895,\n", + " 'B2': 3,\n", + " 'convblock3': 2,\n", + " 'widenfact3': 0.7655958527162746,\n", + " 'B3': 4,\n", + " 'convblock4': 0,\n", + " 'widenfact4': 0,\n", + " 'B4': 0,\n", + " 'convblock5': 0,\n", + " 'widenfact5': 0,\n", + " 'B5': 0}]" + ] + }, + "execution_count": 8, + "metadata": {}, + "output_type": "execute_result" + } + ], + "source": [ + "# Configs is a dictionary holding 5 possible architectures in our search space. \n", + "configs " + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Evaluator \n", + "\n", + "To speed up the search, we built a machine learning predictor to evaluate the accuracy and robustness of any given architecture from the configuration space. " + ] + }, + { + "cell_type": "code", + "execution_count": 9, + "metadata": {}, + "outputs": [], + "source": [ + "# Load the evaluator \n", + "from analogainas.evaluators.xgboost import XGBoostEvaluator\n", + "evaluator = XGBoostEvaluator()" + ] + }, + { + "cell_type": "code", + "execution_count": 10, + "metadata": {}, + "outputs": [ + { + "data": { + "text/html": [ + "
XGBRanker(base_score=0.5, booster='gbtree', callbacks=None, colsample_bylevel=1,\n",
+       "          colsample_bynode=1, colsample_bytree=0.9, early_stopping_rounds=None,\n",
+       "          enable_categorical=True, eta=0.05, eval_metric=None, gamma=0,\n",
+       "          gpu_id=-1, grow_policy='depthwise', importance_type=None,\n",
+       "          interaction_constraints='', learning_rate=0.1, max_bin=256,\n",
+       "          max_cat_to_onehot=4, max_delta_step=0, max_depth=6, max_leaves=0,\n",
+       "          min_child_weight=1, missing=nan, monotone_constraints='()',\n",
+       "          n_estimators=110, n_jobs=0, num_parallel_tree=1, predictor='auto',\n",
+       "          random_state=42, reg_alpha=0, ...)
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On GitHub, the HTML representation is unable to render, please try loading this page with nbviewer.org.
" + ], + "text/plain": [ + "XGBRanker(base_score=0.5, booster='gbtree', callbacks=None, colsample_bylevel=1,\n", + " colsample_bynode=1, colsample_bytree=0.9, early_stopping_rounds=None,\n", + " enable_categorical=True, eta=0.05, eval_metric=None, gamma=0,\n", + " gpu_id=-1, grow_policy='depthwise', importance_type=None,\n", + " interaction_constraints='', learning_rate=0.1, max_bin=256,\n", + " max_cat_to_onehot=4, max_delta_step=0, max_depth=6, max_leaves=0,\n", + " min_child_weight=1, missing=nan, monotone_constraints='()',\n", + " n_estimators=110, n_jobs=0, num_parallel_tree=1, predictor='auto',\n", + " random_state=42, reg_alpha=0, ...)" + ] + }, + "execution_count": 10, + "metadata": {}, + "output_type": "execute_result" + } + ], + "source": [ + "# The ranker model ranks the architectures according to their 1-day accuracy. It is trained with a listwise training loss. \n", + "evaluator.ranker " + ] + }, + { + "cell_type": "code", + "execution_count": 11, + "metadata": {}, + "outputs": [ + { + "data": { + "text/html": [ + "
XGBRegressor(base_score=0.5, booster='gbtree', callbacks=None,\n",
+       "             colsample_bylevel=1, colsample_bynode=1, colsample_bytree=0.9,\n",
+       "             early_stopping_rounds=None, enable_categorical=False, eta=0.05,\n",
+       "             eval_metric=None, gamma=0, gpu_id=-1, grow_policy='depthwise',\n",
+       "             importance_type=None, interaction_constraints='',\n",
+       "             learning_rate=0.1, max_bin=256, max_cat_to_onehot=4,\n",
+       "             max_delta_step=0, max_depth=6, max_leaves=0, min_child_weight=1,\n",
+       "             missing=nan, monotone_constraints='()', n_estimators=110, n_jobs=0,\n",
+       "             num_parallel_tree=1, predictor='auto', random_state=42,\n",
+       "             reg_alpha=0, ...)
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On GitHub, the HTML representation is unable to render, please try loading this page with nbviewer.org.
" + ], + "text/plain": [ + "XGBRegressor(base_score=0.5, booster='gbtree', callbacks=None,\n", + " colsample_bylevel=1, colsample_bynode=1, colsample_bytree=0.9,\n", + " early_stopping_rounds=None, enable_categorical=False, eta=0.05,\n", + " eval_metric=None, gamma=0, gpu_id=-1, grow_policy='depthwise',\n", + " importance_type=None, interaction_constraints='',\n", + " learning_rate=0.1, max_bin=256, max_cat_to_onehot=4,\n", + " max_delta_step=0, max_depth=6, max_leaves=0, min_child_weight=1,\n", + " missing=nan, monotone_constraints='()', n_estimators=110, n_jobs=0,\n", + " num_parallel_tree=1, predictor='auto', random_state=42,\n", + " reg_alpha=0, ...)" + ] + }, + "execution_count": 11, + "metadata": {}, + "output_type": "execute_result" + } + ], + "source": [ + "# The AVM predictor regresses the average monthly variation. \n", + "evaluator.avm_predictor" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Search Optimizer and Worker \n", + "In this example, we will use evolutionary search to look for the best architecture in CS using our evaluator. " + ] + }, + { + "cell_type": "code", + "execution_count": 12, + "metadata": {}, + "outputs": [ + { + "name": "stderr", + "output_type": "stream", + "text": [ + "c:\\Users\\hadjer\\anaconda3\\envs\\pytorch\\lib\\site-packages\\tqdm\\auto.py:22: TqdmWarning: IProgress not found. Please update jupyter and ipywidgets. See https://ipywidgets.readthedocs.io/en/stable/user_install.html\n", + " from .autonotebook import tqdm as notebook_tqdm\n" + ] + } + ], + "source": [ + "from analogainas.search_algorithms.ea_optimized import EAOptimizer\n", + "from analogainas.search_algorithms.worker import Worker" + ] + }, + { + "cell_type": "code", + "execution_count": 13, + "metadata": {}, + "outputs": [], + "source": [ + "optimizer = EAOptimizer(evaluator, population_size=20, nb_iter=10) " + ] + }, + { + "cell_type": "code", + "execution_count": 14, + "metadata": {}, + "outputs": [], + "source": [ + "NB_RUN = 2\n", + "worker = Worker(CS, optimizer=optimizer, runs=NB_RUN)" + ] + }, + { + "cell_type": "code", + "execution_count": 16, + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Result directory created.\n", + "\n", + "Search 0 started\n", + "ITERATION 0 completed: best acc 0.5867591738425217\n", + "ITERATION 1 completed: best acc 0.7953551661210345\n", + "ITERATION 2 completed: best acc 0.7953551661210345\n", + "ITERATION 3 completed: best acc 0.7953551661210345\n", + "ITERATION 4 completed: best acc 0.8079763705587886\n", + "ITERATION 5 completed: best acc 0.8337070881276811\n", + "ITERATION 6 completed: best acc 0.879439058695786\n", + "ITERATION 7 completed: best acc 0.879439058695786\n", + "ITERATION 8 completed: best acc 0.879439058695786\n", + "ITERATION 9 completed: best acc 0.879439058695786\n", + "Best Acc = 0.879439058695786\n", + "Search 1 started\n", + "ITERATION 0 completed: best acc 0.7832513086778994\n", + "ITERATION 1 completed: best acc 0.7832513086778994\n", + "ITERATION 2 completed: best acc 0.8130145589367455\n", + "ITERATION 3 completed: best acc 0.8130145589367455\n", + "ITERATION 4 completed: best acc 0.8531200051528554\n", + "ITERATION 5 completed: best acc 0.8531200051528554\n", + "ITERATION 6 completed: best acc 0.8531200051528554\n", + "ITERATION 7 completed: best acc 0.8624818837214474\n", + "ITERATION 8 completed: best acc 0.8624818837214474\n", + "ITERATION 9 completed: best acc 0.8624818837214474\n", + "Best Acc = 0.8624818837214474\n", + "SEARCH ENDED\n" + ] + } + ], + "source": [ + "worker.search()" + ] + }, + { + "cell_type": "code", + "execution_count": 17, + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Best architecture accuracy: 0.879439058695786\n", + "Standard deviation of accuracy over 2 runs: 0.879439058695786\n" + ] + } + ], + "source": [ + "worker.result_summary()" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "metadata": {}, + "outputs": [], + "source": [] + } + ], + "metadata": { + "kernelspec": { + "display_name": "Python 3.9.13 ('pytorch')", + "language": "python", + "name": "python3" + }, + "language_info": { + "codemirror_mode": { + "name": "ipython", + "version": 3 + }, + "file_extension": ".py", + "mimetype": "text/x-python", + "name": "python", + "nbconvert_exporter": "python", + "pygments_lexer": "ipython3", + "version": "3.9.13" + }, + "orig_nbformat": 4, + "vscode": { + "interpreter": { + "hash": "b1f3380a69d515cb08938b29020bc1e1b6209a3fd549aa67bb9ba1a2696e9448" + } + } + }, + "nbformat": 4, + "nbformat_minor": 2 +}