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Retrieval-based-Voice-Conve.../infer/train-index.py
Ftps c8261b2ccc
Reformat and rewrite _get_name_params (#57)
* Reformat

* rewrite _get_name_params

* Add workflow for automatic formatting

* Revert "Add workflow for automatic formatting"

This reverts commit 9111c5dbc1.

* revert Retrieval_based_Voice_Conversion_WebUI.ipynb

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Co-authored-by: 源文雨 <41315874+fumiama@users.noreply.github.com>
2023-04-15 11:44:24 +00:00

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"""
格式直接cid为自带的index位aid放不下了通过字典来查反正就5w个
"""
import faiss, numpy as np, os
# ###########如果是原始特征要先写save
inp_root = r"E:\codes\py39\dataset\mi\2-co256"
npys = []
for name in sorted(list(os.listdir(inp_root))):
phone = np.load("%s/%s" % (inp_root, name))
npys.append(phone)
big_npy = np.concatenate(npys, 0)
print(big_npy.shape) # (6196072, 192)#fp32#4.43G
np.save("infer/big_src_feature_mi.npy", big_npy)
##################train+add
# big_npy=np.load("/bili-coeus/jupyter/jupyterhub-liujing04/vits_ch/inference_f0/big_src_feature_mi.npy")
print(big_npy.shape)
index = faiss.index_factory(256, "IVF512,Flat") # mi
print("training")
index_ivf = faiss.extract_index_ivf(index) #
index_ivf.nprobe = 9
index.train(big_npy)
faiss.write_index(index, "infer/trained_IVF512_Flat_mi_baseline_src_feat.index")
print("adding")
index.add(big_npy)
faiss.write_index(index, "infer/added_IVF512_Flat_mi_baseline_src_feat.index")
"""
大小都是FP32
big_src_feature 2.95G
(3098036, 256)
big_emb 4.43G
(6196072, 192)
big_emb双倍是因为求特征要repeat后再加pitch
"""