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# * Copyright (c) 2022-2023 STMicroelectronics.
# * All rights reserved.
# *
# * This software is licensed under terms that can be found in the LICENSE file in
# * the root directory of this software component.
# * If no LICENSE file comes with this software, it is provided AS-IS.
# *--------------------------------------------------------------------------------------------*/
import os
from pathlib import Path
import re
from hydra.core.hydra_config import HydraConfig
from common.utils import aspect_ratio_dict, check_attributes, postprocess_config_dict, check_config_attributes, \
parse_tools_section, parse_benchmarking_section, parse_mlflow_section, parse_quantization_section, \
parse_general_section, parse_top_level, parse_training_section, parse_prediction_section, parse_model_section, \
parse_deployment_section, check_hardware_type, parse_evaluation_section, get_class_names_from_file, \
check_model_file_extension
from omegaconf import OmegaConf, DictConfig
from munch import DefaultMunch
import tensorflow as tf
from typing import Dict, List
def _check_dataset_integrity(dataset_root_dir: str, check_image_files: bool = False) -> None:
"""
This function checks that a dataset has the following directory structure:
dataset_root_dir:
class_a:
a_image_1.jpg
a_image_2.jpg
class_b:
b_image_1.jpg
b_image_2.jpg
If the `check_images` argument is set to True, an attempt is made to load each
image file. If a file fails the test, it is reported together with the list of
supported image formats.
Args:
dataset_root_dir (str): the root directory of the dataset.
check_image_files (bool): if set to True, an attempt is made to load each image file.
Returns:
None
Errors:
- The root directory of the dataset provided in argument cannot be found.
- A class directory contains a subdirectory (should be files only).
- An image file cannot be loaded.
"""
message = ["The directory structure should be:",
" dataset_root:",
" class_a:",
" a_image_1.jpg",
" a_image_2.jpg",
" class_b:",
" b_image_1.jpg",
" b_image_2.jpg"]
message = ('\n').join(message)
class_dir_paths = []
for x in os.listdir(dataset_root_dir):
path = os.path.join(dataset_root_dir, x)
if os.path.isdir(path):
class_dir_paths.append(path)
if not class_dir_paths:
raise ValueError("\nExpecting subdirectories under dataset root "
f"directory {dataset_root_dir}\n{message}")
image_paths = []
for class_dir in class_dir_paths:
for x in os.listdir(class_dir):
path = os.path.join(class_dir, x)
if os.path.isdir(path):
raise ValueError("\nClass directories should only contain image files.\n"
f"Found subdirectory {path}\n{message}")
image_paths.append(path)
# Try to load each image file if it was requested
if check_image_files:
for im_path in image_paths:
try:
data = tf.io.read_file(im_path)
except:
raise ValueError(f"\nUnable to read file {im_path}\nThe file may be corrupt.")
try:
tf.image.decode_image(data, channels=3)
except:
raise ValueError(f"\nUnable to read image file {im_path}\n"
"Supported image file formats are JPEG, PNG, GIF and BMP.")
def _check_dataset_paths_and_contents(cfg, mode: str = None, mode_groups: DictConfig = None) -> None:
"""
This function checks that the paths available in the config file are valid, depending on the operation mode
considered.
Args:
cfg (DictConfig): dictionary containing the configuration file section to check
mode (str): operation mode: 'quantization', 'training'...as well as chained operation modes: 'chain_tqe', 'chain_eqe'...
mode_groups (dictionary): each operation mode belongs to one or more mode_groups which induces some
specific requirements on dataset availability
"""
# Check the datasets
for name in ["training_path", "validation_path", "test_path"]:
path = cfg[name]
if path:
if not os.path.isdir(path):
raise FileNotFoundError(f"\nUnable to find the root directory of the {name[:-5]} set\n"
f"Received path: {path}\n"
"Please check the 'dataset' section of your configuration file.")
if cfg.check_image_files:
print(f"[INFO] : Checking {path} dataset")
_check_dataset_integrity(path, check_image_files=cfg.check_image_files)
def parse_dataset_section(cfg: DictConfig, mode: str = None, mode_groups: DictConfig = None, hardware_type: str = None) -> None:
"""
This function checks the preprocessing section of the config file.
Args
cfg (DictConfig): The dataset configuration parameters as a DefaultMunch dictionary.
mode (str): the operation mode for example: 'quantization', 'evaluation', 'chain_tqe'...
mode_groups (dict): the operation mode group. Each mode, including chained mode belongs to one or more
mode_groups like 'quantization', 'evaluation'...which induces some specific requirements on dataset availability.
Returns:
None
"""
legal_tf = ["dataset_name", "class_names", "classes_file_path", "training_path", "validation_path", "validation_split",
"test_path", "quantization_path", "quantization_split", "prediction_path", "check_image_files", "seed",
"num_classes","data_dir","data_download"]
legal_pt = ["dataset_name", "data_dir", "num_classes", "train_split", "val_split", "test_split", "data_download"]
legal = legal_tf + legal_pt
required = []
one_or_more = []
if mode in mode_groups.training:
# required += ["training_path",]
required += []
one_or_more += ["training_path", "data_dir"]
elif mode in mode_groups.evaluation:
one_or_more += ["training_path", "test_path", "validation_path", "data_dir"]
elif mode in ["chain_qd", "deployment", "prediction"]:
one_or_more += ["class_names", "classes_file_path"]
if mode in ["prediction"]:
required += ["prediction_path",]
# Check that the directory that contains the prediction tests files exist
if not os.path.isdir(cfg.prediction_path):
raise FileNotFoundError("\nUnable to find the directory containing the test files to predict\n"
f"Received path: {cfg.prediction_path}\nPlease check the "
"'dataset.prediction_path' attribute in your configuration file.")
check_config_attributes(cfg, specs={"legal": legal, "all": required, "one_or_more": one_or_more},
section="dataset")
# setting default values for the data_download and data_dir attributes to download data automatically if not provided
if not cfg.data_download:
cfg.data_download = False #True
if cfg.data_download:
if not cfg.data_dir:
cfg.data_dir = './datasets/'
# Set default values of missing optional attributes
if not cfg.dataset_name:
cfg.dataset_name = "<unnamed>"
if cfg.dataset_name not in ("emnist_byclass", "cifar10", "cifar100") and mode not in ("deployment", "benchmarking"):
_check_dataset_paths_and_contents(cfg, mode=mode, mode_groups=mode_groups)
# Determine and Set Class Names for the Dataset
if cfg.class_names:
cfg.class_names = sorted(cfg.class_names)
print("[INFO] : Using provided class names from dataset.class_names")
elif cfg.classes_file_path:
cfg.class_names = get_class_names_from_file(cfg)
print("[INFO] : Found {} classes in label file {}".format(len(cfg.class_names), cfg.classes_file_path))
elif (mode in mode_groups.training) or (mode in mode_groups.evaluation) or (mode in mode_groups.quantization):
for path in [cfg.training_path, cfg.validation_path, cfg.test_path, cfg.quantization_path]:
if path:
cfg.class_names = _get_class_names(dataset_root_dir=path)
print(f"[INFO] : Found {len(cfg.class_names)} classes in the dataset.")
break
elif cfg.dataset_name in ("emnist_byclass", "cifar10", "cifar100") :
cfg.class_names = _get_class_names(cfg.dataset_name)
print(f"[INFO] : Using predefined class names for dataset {cfg.dataset_name}")
if not cfg.validation_split:
cfg.validation_split = 0.2
cfg.check_image_files = cfg.check_image_files if cfg.check_image_files is not None else False
cfg.seed = cfg.seed if cfg.seed else 123
if not cfg.num_classes:
cfg.num_classes = len(cfg.class_names) if cfg.class_names else 1000
# Check the value of validation_split if it is set
if cfg.validation_split:
split = cfg.validation_split
if split <= 0.0 or split >= 1.0:
raise ValueError(f"\nThe value of `validation_split` should be > 0 and < 1. Received {split}\n"
"Please check the 'dataset' section of your configuration file.")
# Check the value of quantization_split if it is set
if cfg.quantization_split:
split = cfg.quantization_split
if split <= 0.0 or split > 1.0:
raise ValueError(f"\nThe value of `quantization_split` should be > 0 and <= 1. Received {split}\n"
"Please check the 'dataset' section of your configuration file.")
def parse_preprocessing_section(cfg: DictConfig, mode: str = None) -> None:
"""
This function checks the preprocessing section of the config file.
Args:
cfg (DictConfig): The entire configuration file as a DefaultMunch dictionary.
mode (str): the operation mode for example: 'quantization', 'evaluation'...
Returns:
None
"""
legal = ["rescaling", "resizing", "color_mode", "normalization", "mean", "std"]
if mode == 'deployment':
# removing the obligation to have rescaling for the 'deployment' mode
required = ["resizing", "color_mode"]
check_config_attributes(cfg, specs={"legal": legal, "all": required}, section="preprocessing")
else:
required = ["rescaling", "resizing", "color_mode"]
check_config_attributes(cfg, specs={"legal": legal, "all": required}, section="preprocessing")
legal = ["scale", "offset"]
check_config_attributes(cfg.rescaling, specs={"legal": legal, "all": legal}, section="preprocessing.rescaling")
if cfg.normalization:
legal = ["mean", "std"]
check_config_attributes(cfg.normalization, specs={"legal": legal, "all": legal}, section="preprocessing.normalization")
legal = ["interpolation", "aspect_ratio"]
if cfg.resizing.aspect_ratio == "fit":
required = ["interpolation", "aspect_ratio"]
else:
required = ["aspect_ratio"]
check_config_attributes(cfg.resizing, specs={"legal": legal, "all": required}, section="preprocessing.resizing")
# Check the of aspect ratio value
aspect_ratio = cfg.resizing.aspect_ratio
if aspect_ratio not in aspect_ratio_dict:
raise ValueError(f"\nUnknown or unsupported value for `aspect_ratio` attribute. Received {aspect_ratio}\n"
f"Supported values: {list(aspect_ratio_dict.keys())}.\n"
"Please check the 'preprocessing.resizing' section of your configuration file.")
if aspect_ratio == "fit":
# Check resizing interpolation value
check_config_attributes(cfg.resizing, specs={"all": ["interpolation"]}, section="preprocessing.resizing")
interpolation_methods = ["bilinear", "nearest", "area", "lanczos3", "lanczos5", "bicubic", "gaussian",
"mitchellcubic"]
if cfg.resizing.interpolation not in interpolation_methods:
raise ValueError(f"\nUnknown value for `interpolation` attribute. Received {cfg.resizing.interpolation}\n"
f"Supported values: {interpolation_methods}\n"
"Please check the 'preprocessing.resizing' section of your configuration file.")
# Check color mode value
color_modes = ["grayscale", "rgb", "rgba"]
if cfg.color_mode not in color_modes:
raise ValueError(f"\nUnknown value for `color_mode` attribute. Received {cfg.color_mode}\n"
f"Supported values: {color_modes}\n"
"Please check the 'preprocessing' section of your configuration file.")
def parse_data_augmentation_section(cfg: DictConfig, config_dict: Dict) -> None:
"""
This function checks the data augmentation section of the config file.
The attribute that introduces the section is either `data_augmentation`
or `custom_data_augmentation`. If it is `custom_data_augmentation`,
the name of the data augmentation function that is provided must be
different from `data_augmentation` as this is a reserved name.
Args:
cfg (DictConfig): The entire configuration file as a DefaultMunch dictionary.
config_dict (Dict): The entire configuration file as a regular Python dictionary.
Returns:
None
"""
if cfg.data_augmentation and cfg.custom_data_augmentation:
raise ValueError("\nThe `data_augmentation` and `custom_data_augmentation` attributes "
"are mutually exclusive.\nPlease check your configuration file.")
if cfg.data_augmentation:
cfg.data_augmentation = DefaultMunch.fromDict({})
# The name of the Model Zoo data augmentation function is 'data_augmentation'.
cfg.data_augmentation.function_name = "data_augmentation"
cfg.data_augmentation.config = config_dict['data_augmentation'].copy()
if cfg.custom_data_augmentation:
check_attributes(cfg.custom_data_augmentation,
expected=["function_name"],
optional=["config"],
section="custom_data_augmentation")
cfg.data_augmentation = DefaultMunch.fromDict({})
if cfg.custom_data_augmentation["function_name"] == "data_augmentation":
raise ValueError("\nThe function name `data_augmentation` is reserved.\n"
"Please use another name (attribute `function_name` in "
"the 'custom_data_augmentation' section).")
cfg.data_augmentation.function_name = cfg.custom_data_augmentation.function_name
if cfg.custom_data_augmentation.config:
cfg.data_augmentation.config = config_dict['custom_data_augmentation']['config'].copy()
del cfg.custom_data_augmentation
def _get_class_names(dataset_name: str = None, dataset_root_dir: str = None) -> List:
"""
This function returns the class names of the dataset.
- If the dataset is cifar10, cifar100 or emnist_byclass, the class names
are returned by functions associated to the dataset.
- Otherwise the class names are inferred from the dataset. These are
the names of the subdirectories under the dataset root directory.
Args:
dataset_name (str): The name of the dataset.
dataset_root_dir (str): The path to the root directory of the dataset
if the dataset is not cifar10, cifar100 or emnist_byclass.
Returns:
string (List): A list of strings.
"""
if dataset_name:
if dataset_name == "cifar10":
class_names = ["airplane", "automobile", "bird", "cat", "deer", "dog", "frog", "horse", "ship", "truck"]
elif dataset_name == "cifar100":
class_names = sorted([
"beaver", "dolphin", "otter", "seal", "whale", "aquarium fish", "flatfish", "ray", "shark", "trout",
"orchids", "poppies", "roses", "sunflowers", "tulips", "bottles", "bowls", "cans", "cups", "plates",
"apples", "mushrooms", "oranges", "pears", "sweet peppers", "clock", "computer keyboard", "lamp",
"telephone", "television", "bed", "chair", "couch", "table", "wardrobe", "bee", "beetle", "butterfly",
"caterpillar", "cockroach", "bear", "leopard", "lion", "tiger", "wolf", "bridge", "castle", "house",
"road", "skyscraper", "cloud", "forest", "mountain", "plain", "sea", "camel", "cattle", "chimpanzee",
"elephant", "kangaroo", "fox", "porcupine", "possum", "raccoon", "skunk", "crab", "lobster", "snail",
"spider", "worm", "baby", "boy", "girl", "man", "woman", "crocodile", "dinosaur", "lizard", "snake",
"turtle", "hamster", "mouse", "rabbit", "shrew", "squirrel", "maple", "oak", "palm", "pine", "willow",
"bicycle", "bus", "motorcycle", "pickup truck", "train", "lawn-mower", "rocket", "streetcar", "tank",
"tractor"])
elif dataset_name == "emnist_byclass":
class_names = [i for i in range(10)] + list(string.ascii_uppercase)
else:
# Get the list of subdirectories. These are the class names.
class_names = sorted([x for x in os.listdir(dataset_root_dir)
if os.path.isdir(os.path.join(dataset_root_dir, x))])
return class_names
def get_config(config_data: DictConfig) -> DefaultMunch:
"""
Converts the configuration data, performs some checks and reformats
some sections so that they are easier to use later on.
Args:
config_data (DictConfig): dictionary containing the entire configuration file.
Returns:
DefaultMunch: The configuration object.
"""
config_dict = OmegaConf.to_container(config_data)
# Restore booleans, numerical expressions and tuples
# Expand environment variables
postprocess_config_dict(config_dict)
# Top level section parsing
cfg = DefaultMunch.fromDict(config_dict)
mode_groups = DefaultMunch.fromDict({
"training": ["training", "chain_tqeb", "chain_tqe"],
"evaluation": ["evaluation", "chain_tqeb", "chain_tqe", "chain_eqe", "chain_eqeb"],
"quantization": ["quantization", "chain_tqeb", "chain_tqe", "chain_eqe",
"chain_qb", "chain_eqeb", "chain_qd"],
"benchmarking": ["benchmarking", "chain_tqeb", "chain_qb", "chain_eqeb"],
"deployment": ["deployment", "chain_qd"],
"compression": []
})
mode_choices = ["training", "evaluation", "prediction", "deployment", "quantization", "benchmarking", "chain_tqeb",
"chain_tqe", "chain_eqe", "chain_qb", "chain_eqeb", "chain_qd"]
legal = ["general", "operation_mode", "model", "dataset", "preprocessing", "data_augmentation", "custom_data_augmentation",
"training", "quantization", "quantization_parameters", "quantization_extra_options", "mixed_quantization_algo",
"evaluation", "prediction", "tools", "benchmarking", "deployment", "mlflow", "hydra", "use_case", "output_dir"]
cfg.use_case = "image_classification"
parse_top_level(cfg,
mode_groups=mode_groups,
mode_choices=mode_choices,
legal=legal)
print(f"[INFO] : Running `{cfg.operation_mode}` operation mode")
# Model section parsing
if cfg.model:
legal=["framework", "model_path", "model_name", "input_shape", "pretrained", "model_type", "pretrained_dataset"]
parse_model_section(cfg.model, cfg.operation_mode, mode_groups, legal=legal, required=[])
# General section parsing
if not cfg.general:
cfg.general = DefaultMunch.fromDict({"project_name": "<unnamed>"})
if cfg.model.framework == "tf":
legal = ["project_name", "logs_dir", "saved_models_dir", "deterministic_ops",
"display_figures", "global_seed", "gpu_memory_limit", "num_threads_tflite", "device"]
elif cfg.model.framework == "torch":
legal = ["project_name", "output", "display_figures", "seed", "gpu_memory_limit",
"workers", "log_interval", "recovery_interval", "checkpoint_hist",
"save_images", "amp", "amp_dtype", "amp_impl", "no_ddp_bb", "synchronize_step",
"pin_mem", "no_prefetcher", "eval_metric", "tta", "local_rank",
"use_multi_epochs_loader", "log_wandb", "log_tb", "saved_models_dir", "device"]
required = []
parse_general_section(cfg.general,
mode=cfg.operation_mode,
mode_groups=mode_groups,
legal=legal,
required=required,
output_dir=HydraConfig.get().runtime.output_dir)
# Select hardware_type from yaml information
check_hardware_type(cfg,
mode_groups)
# Dataset section parsing
if not cfg.dataset:
cfg.dataset = DefaultMunch.fromDict({})
parse_dataset_section(cfg.dataset,
mode=cfg.operation_mode,
mode_groups=mode_groups,
hardware_type=cfg.hardware_type)
# Preprocessing section parsing
parse_preprocessing_section(cfg.preprocessing, mode=cfg.operation_mode)
# Training section parsing
if cfg.operation_mode in mode_groups.training:
if cfg.data_augmentation or cfg.custom_data_augmentation:
parse_data_augmentation_section(cfg, config_dict)
if cfg.model.framework == "tf":
legal = ["batch_size", "epochs", "optimizer", "dropout", "frozen_layers",
"callbacks", "dryrun", 'trainer_name']
elif cfg.model.framework == "torch":
legal = ["epochs", "batch_size", "validation_batch_size", "optimizer",
"lr_scheduler", "bn_momentum", "bn_eps", "sync_bn", "dist_bn",
"split_bn", "model_ema", "model_ema_force_cpu", "model_ema_decay",
"worker_seeding", 'trainer_name']
cfg.training.trainer_name = "ic_trainer"
parse_training_section(cfg.training,
legal=legal)
# Quantization section parsing
if cfg.operation_mode in mode_groups.quantization:
legal = ["quantizer", "quantization_type", "quantization_input_type", "quantization_output_type",
"export_dir", "granularity", "target_opset", "optimize", "operating_mode",
"onnx_quant_parameters", "onnx_extra_options", "iterative_quant_parameters"]
parse_quantization_section(cfg.quantization,
legal=legal)
# Evaluation section parsing
if cfg.operation_mode in mode_groups.evaluation:
if not "evaluation" in cfg:
cfg.evaluation = DefaultMunch.fromDict({})
legal = ["gen_npy_input", "gen_npy_output", "npy_in_name", "npy_out_name", "target",
"profile", "input_type", "output_type", "input_chpos", "output_chpos"]
parse_evaluation_section(cfg.evaluation,
legal=legal)
# Prediction section parsing
if cfg.operation_mode == "prediction":
if not "prediction" in cfg:
cfg.prediction = DefaultMunch.fromDict({})
parse_prediction_section(cfg.prediction)
# Tools section parsing
# if cfg.operation_mode in (mode_groups.benchmarking + mode_groups.deployment) \
# or cfg.operation_mode == "evaluation" \
# or cfg.operation_mode == "prediction":
if (
cfg.operation_mode in (mode_groups.benchmarking + mode_groups.deployment)
or (
cfg.operation_mode == "evaluation"
and "evaluation" in cfg
and "target" in cfg.evaluation
and cfg.evaluation.target != "host"
)
or (
cfg.operation_mode == "prediction"
and "prediction" in cfg
and "target" in cfg.prediction
and cfg.prediction.target != "host"
)
):
parse_tools_section(cfg.tools,
cfg.operation_mode,
cfg.hardware_type)
# For MPU, check if online benchmarking is activated
if cfg.operation_mode in mode_groups.benchmarking:
if cfg.hardware_type == "MPU":
if cfg.operation_mode == "benchmarking" and not cfg.tools.stedgeai.on_cloud:
print("Target selected for benchmark :", cfg.benchmarking.board)
print("Offline benchmarking for MPU is not yet available please use online benchmarking")
exit(1)
# Benchmarking section parsing
if cfg.operation_mode in mode_groups.benchmarking:
parse_benchmarking_section(cfg.benchmarking)
if cfg.hardware_type == "MPU":
if not cfg.tools.stedgeai.on_cloud:
print("Target selected for benchmark :", cfg.benchmarking.board)
print("Offline benchmarking for MPU is not yet available please use online benchmarking")
exit(1)
# Deployment section parsing
if cfg.operation_mode in mode_groups.deployment:
if cfg.hardware_type == "MCU":
legal = ["c_project_path", "IDE", "verbosity", "hardware_setup"]
legal_hw = ["serie", "board", "stlink_serial_number"]
# Append additional items if board is "NUCLEO-H743ZI2"
if cfg.deployment.hardware_setup.board == "NUCLEO-H743ZI2":
legal_hw += ["input", "output"]
# Append additional items if board is "NUCLEO-N657X0-Q"
if cfg.deployment.hardware_setup.board == "NUCLEO-N657X0-Q":
legal_hw += ["output"]
else:
legal = ["c_project_path", "board_deploy_path", "verbosity", "hardware_setup"]
legal_hw = ["serie", "board", "ip_address", "stlink_serial_number"]
if cfg.preprocessing.color_mode != "rgb":
raise ValueError("\n Color mode used is not supported for deployment on MPU target \n Please use RGB format")
if cfg.preprocessing.resizing.aspect_ratio != "fit":
raise ValueError("\n Aspect ratio used is not supported for deployment on MPU target \n Please use FIT aspect ratio")
parse_deployment_section(cfg.deployment,
legal=legal,
legal_hw=legal_hw)
# MLFlow section parsing
parse_mlflow_section(cfg.mlflow)
return cfg |