| import os | |
| import sys | |
| import faiss | |
| import argparse | |
| import numpy as np | |
| from multiprocessing import cpu_count | |
| from sklearn.cluster import MiniBatchKMeans | |
| sys.path.append(os.getcwd()) | |
| from main.app.variables import logger, translations, configs | |
| def parse_arguments(): | |
| parser = argparse.ArgumentParser() | |
| parser.add_argument("--create_index", action='store_true') | |
| parser.add_argument("--model_name", type=str, required=True) | |
| parser.add_argument("--rvc_version", type=str, default="v2") | |
| parser.add_argument("--index_algorithm", type=str, default="Auto") | |
| return parser.parse_args() | |
| def main(): | |
| args = parse_arguments() | |
| exp_dir = os.path.join(configs["logs_path"], args.model_name) | |
| version, index_algorithm = args.rvc_version, args.index_algorithm | |
| log_data = {translations['modelname']: args.model_name, translations['model_path']: exp_dir, translations['training_version']: version, translations['index_algorithm_info']: index_algorithm} | |
| for key, value in log_data.items(): | |
| logger.debug(f"{key}: {value}") | |
| try: | |
| npys = [] | |
| feature_dir = os.path.join(exp_dir, f"{version}_extracted") | |
| model_name = os.path.basename(exp_dir) | |
| for name in sorted(os.listdir(feature_dir)): | |
| npys.append(np.load(os.path.join(feature_dir, name))) | |
| big_npy = np.concatenate(npys, axis=0) | |
| big_npy_idx = np.arange(big_npy.shape[0]) | |
| np.random.shuffle(big_npy_idx) | |
| big_npy = big_npy[big_npy_idx] | |
| if big_npy.shape[0] > 2e5 and (index_algorithm == "Auto" or index_algorithm == "KMeans"): big_npy = (MiniBatchKMeans(n_clusters=10000, verbose=True, batch_size=256 * cpu_count(), compute_labels=False, init="random").fit(big_npy).cluster_centers_) | |
| np.save(os.path.join(exp_dir, "total_fea.npy"), big_npy) | |
| n_ivf = min(int(16 * np.sqrt(big_npy.shape[0])), big_npy.shape[0] // 39) | |
| index_trained = faiss.index_factory(256 if version == "v1" else 768, f"IVF{n_ivf},Flat") | |
| index_ivf_trained = faiss.extract_index_ivf(index_trained) | |
| index_ivf_trained.nprobe = 1 | |
| index_trained.train(big_npy) | |
| faiss.write_index(index_trained, os.path.join(exp_dir, f"trained_IVF{n_ivf}_Flat_nprobe_{index_ivf_trained.nprobe}_{model_name}_{version}.index")) | |
| index_added = faiss.index_factory(256 if version == "v1" else 768, f"IVF{n_ivf},Flat") | |
| index_ivf_added = faiss.extract_index_ivf(index_added) | |
| index_ivf_added.nprobe = 1 | |
| index_added.train(big_npy) | |
| batch_size_add = 8192 | |
| for i in range(0, big_npy.shape[0], batch_size_add): | |
| index_added.add(big_npy[i : i + batch_size_add]) | |
| index_filepath_added = os.path.join(exp_dir, f"added_IVF{n_ivf}_Flat_nprobe_{index_ivf_added.nprobe}_{model_name}_{version}.index") | |
| faiss.write_index(index_added, index_filepath_added) | |
| logger.info(f"{translations['save_index']} '{index_filepath_added}'") | |
| except Exception as e: | |
| logger.error(f"{translations['create_index_error']}: {e}") | |
| import traceback | |
| logger.debug(traceback.format_exc()) | |
| if __name__ == "__main__": main() |