removing torchhub access through master
This commit is contained in:
parent
d9f925cb9c
commit
ff16b6c649
383
hubconf.py
383
hubconf.py
|
@ -1,372 +1,35 @@
|
|||
import urllib.request
|
||||
import torch
|
||||
import os
|
||||
import sys
|
||||
def relocated():
|
||||
raise ValueError(
|
||||
"NVIDIA entrypoints moved to branch torchhub \n"
|
||||
"Use torch.hub.load('NVIDIA/DeepLearningExamples:torchhub', ...) to access the models"
|
||||
)
|
||||
|
||||
# from https://github.com/NVIDIA/DeepLearningExamples/blob/master/PyTorch/SpeechSynthesis/Tacotron2/inference.py
|
||||
def checkpoint_from_distributed(state_dict):
|
||||
|
||||
def nvidia_ncf(**kwargs):
|
||||
"""Entrypoints moved to branch torchhub
|
||||
"""
|
||||
Checks whether checkpoint was generated by DistributedDataParallel. DDP
|
||||
wraps model in additional "module.", it needs to be unwrapped for single
|
||||
GPU inference.
|
||||
:param state_dict: model's state dict
|
||||
relocated()
|
||||
|
||||
|
||||
def nvidia_tacotron2(**kwargs):
|
||||
"""Entrypoints moved to branch torchhub
|
||||
"""
|
||||
ret = False
|
||||
for key, _ in state_dict.items():
|
||||
if key.find('module.') != -1:
|
||||
ret = True
|
||||
break
|
||||
return ret
|
||||
relocated()
|
||||
|
||||
|
||||
# from https://github.com/NVIDIA/DeepLearningExamples/blob/master/PyTorch/SpeechSynthesis/Tacotron2/inference.py
|
||||
def unwrap_distributed(state_dict):
|
||||
def nvidia_waveglow(**kwargs):
|
||||
"""Entrypoints moved to branch torchhub
|
||||
"""
|
||||
Unwraps model from DistributedDataParallel.
|
||||
DDP wraps model in additional "module.", it needs to be removed for single
|
||||
GPU inference.
|
||||
:param state_dict: model's state dict
|
||||
"""
|
||||
new_state_dict = {}
|
||||
for key, value in state_dict.items():
|
||||
new_key = key.replace('module.1.', '')
|
||||
new_key = new_key.replace('module.', '')
|
||||
new_state_dict[new_key] = value
|
||||
return new_state_dict
|
||||
relocated()
|
||||
|
||||
|
||||
dependencies = ['torch']
|
||||
|
||||
|
||||
def nvidia_ncf(pretrained=True, **kwargs):
|
||||
"""Constructs an NCF model.
|
||||
For detailed information on model input and output, training recipies, inference and performance
|
||||
visit: github.com/NVIDIA/DeepLearningExamples and/or ngc.nvidia.com
|
||||
|
||||
Args:
|
||||
pretrained (bool, True): If True, returns a model pretrained on ml-20m dataset.
|
||||
model_math (str, 'fp32'): returns a model in given precision ('fp32' or 'fp16')
|
||||
nb_users (int): number of users
|
||||
nb_items (int): number of items
|
||||
mf_dim (int, 64): dimension of latent space in matrix factorization
|
||||
mlp_layer_sizes (list, [256,256,128,64]): sizes of layers of multi-layer-perceptron
|
||||
dropout (float, 0.5): dropout
|
||||
"""
|
||||
|
||||
from PyTorch.Recommendation.NCF import neumf as ncf
|
||||
|
||||
fp16 = "model_math" in kwargs and kwargs["model_math"] == "fp16"
|
||||
force_reload = "force_reload" in kwargs and kwargs["force_reload"]
|
||||
|
||||
config = {'nb_users': None, 'nb_items': None, 'mf_dim': 64, 'mf_reg': 0.,
|
||||
'mlp_layer_sizes': [256, 256, 128, 64], 'mlp_layer_regs':[0, 0, 0, 0], 'dropout': 0.5}
|
||||
|
||||
if pretrained:
|
||||
if fp16:
|
||||
checkpoint = 'https://developer.nvidia.com/joc-ncf-fp16-pyt-20190225'
|
||||
else:
|
||||
checkpoint = 'https://developer.nvidia.com/joc-ncf-fp32-pyt-20190225'
|
||||
ckpt_file = os.path.basename(checkpoint)
|
||||
if not os.path.exists(ckpt_file) or force_reload:
|
||||
sys.stderr.write('Downloading checkpoint from {}\n'.format(checkpoint))
|
||||
urllib.request.urlretrieve(checkpoint, ckpt_file)
|
||||
ckpt = torch.load(ckpt_file)
|
||||
|
||||
if checkpoint_from_distributed(ckpt):
|
||||
ckpt = unwrap_distributed(ckpt)
|
||||
|
||||
config['nb_users'] = ckpt['mf_user_embed.weight'].shape[0]
|
||||
config['nb_items'] = ckpt['mf_item_embed.weight'].shape[0]
|
||||
config['mf_dim'] = ckpt['mf_item_embed.weight'].shape[1]
|
||||
mlp_shapes = [ckpt[k].shape for k in ckpt.keys() if 'mlp' in k and 'weight' in k and 'embed' not in k]
|
||||
config['mlp_layer_sizes'] = [mlp_shapes[0][1], mlp_shapes[1][1], mlp_shapes[2][1], mlp_shapes[2][0]]
|
||||
config['mlp_layer_regs'] = [0] * len(config['mlp_layer_sizes'])
|
||||
|
||||
else:
|
||||
if 'nb_users' not in kwargs:
|
||||
raise ValueError("Missing 'nb_users' argument.")
|
||||
if 'nb_items' not in kwargs:
|
||||
raise ValueError("Missing 'nb_items' argument.")
|
||||
for k,v in kwargs.items():
|
||||
if k in config.keys():
|
||||
config[k] = v
|
||||
config['mlp_layer_regs'] = [0] * len(config['mlp_layer_sizes'])
|
||||
|
||||
m = ncf.NeuMF(**config)
|
||||
|
||||
if fp16:
|
||||
m.half()
|
||||
|
||||
if pretrained:
|
||||
m.load_state_dict(ckpt)
|
||||
|
||||
return m
|
||||
|
||||
|
||||
def nvidia_tacotron2(pretrained=True, **kwargs):
|
||||
"""Constructs a Tacotron 2 model (nn.module with additional infer(input) method).
|
||||
For detailed information on model input and output, training recipies, inference and performance
|
||||
visit: github.com/NVIDIA/DeepLearningExamples and/or ngc.nvidia.com
|
||||
|
||||
Args (type[, default value]):
|
||||
pretrained (bool, True): If True, returns a model pretrained on LJ Speech dataset.
|
||||
model_math (str, 'fp32'): returns a model in given precision ('fp32' or 'fp16')
|
||||
n_symbols (int, 148): Number of symbols used in a sequence passed to the prenet, see
|
||||
https://github.com/NVIDIA/DeepLearningExamples/blob/master/PyTorch/SpeechSynthesis/Tacotron2/tacotron2/text/symbols.py
|
||||
p_attention_dropout (float, 0.1): dropout probability on attention LSTM (1st LSTM layer in decoder)
|
||||
p_decoder_dropout (float, 0.1): dropout probability on decoder LSTM (2nd LSTM layer in decoder)
|
||||
max_decoder_steps (int, 1000): maximum number of generated mel spectrograms during inference
|
||||
"""
|
||||
|
||||
from PyTorch.SpeechSynthesis.Tacotron2.tacotron2 import model as tacotron2
|
||||
from PyTorch.SpeechSynthesis.Tacotron2.models import lstmcell_to_float, batchnorm_to_float
|
||||
from PyTorch.SpeechSynthesis.Tacotron2.tacotron2.text import text_to_sequence
|
||||
|
||||
fp16 = "model_math" in kwargs and kwargs["model_math"] == "fp16"
|
||||
force_reload = "force_reload" in kwargs and kwargs["force_reload"]
|
||||
|
||||
if pretrained:
|
||||
if fp16:
|
||||
checkpoint = 'https://developer.nvidia.com/joc-tacotron2-fp16-pyt-20190306'
|
||||
else:
|
||||
checkpoint = 'https://developer.nvidia.com/joc-tacotron2-fp32-pyt-20190306'
|
||||
ckpt_file = os.path.basename(checkpoint)
|
||||
if not os.path.exists(ckpt_file) or force_reload:
|
||||
sys.stderr.write('Downloading checkpoint from {}\n'.format(checkpoint))
|
||||
urllib.request.urlretrieve(checkpoint, ckpt_file)
|
||||
ckpt = torch.load(ckpt_file)
|
||||
state_dict = ckpt['state_dict']
|
||||
if checkpoint_from_distributed(state_dict):
|
||||
state_dict = unwrap_distributed(state_dict)
|
||||
config = ckpt['config']
|
||||
else:
|
||||
config = {'mask_padding': False, 'n_mel_channels': 80, 'n_symbols': 148,
|
||||
'symbols_embedding_dim': 512, 'encoder_kernel_size': 5,
|
||||
'encoder_n_convolutions': 3, 'encoder_embedding_dim': 512,
|
||||
'attention_rnn_dim': 1024, 'attention_dim': 128,
|
||||
'attention_location_n_filters': 32,
|
||||
'attention_location_kernel_size': 31, 'n_frames_per_step': 1,
|
||||
'decoder_rnn_dim': 1024, 'prenet_dim': 256,
|
||||
'max_decoder_steps': 1000, 'gate_threshold': 0.5,
|
||||
'p_attention_dropout': 0.1, 'p_decoder_dropout': 0.1,
|
||||
'postnet_embedding_dim': 512, 'postnet_kernel_size': 5,
|
||||
'postnet_n_convolutions': 5, 'decoder_no_early_stopping': False}
|
||||
for k,v in kwargs.items():
|
||||
if k in config.keys():
|
||||
config[k] = v
|
||||
|
||||
m = tacotron2.Tacotron2(**config)
|
||||
|
||||
if fp16:
|
||||
m = batchnorm_to_float(m.half())
|
||||
m = lstmcell_to_float(m)
|
||||
|
||||
if pretrained:
|
||||
m.load_state_dict(state_dict)
|
||||
|
||||
m.text_to_sequence = text_to_sequence
|
||||
|
||||
return m
|
||||
|
||||
|
||||
def nvidia_waveglow(pretrained=True, **kwargs):
|
||||
"""Constructs a WaveGlow model (nn.module with additional infer(input) method).
|
||||
For detailed information on model input and output, training recipies, inference and performance
|
||||
visit: github.com/NVIDIA/DeepLearningExamples and/or ngc.nvidia.com
|
||||
|
||||
Args:
|
||||
pretrained (bool): If True, returns a model pretrained on LJ Speech dataset.
|
||||
model_math (str, 'fp32'): returns a model in given precision ('fp32' or 'fp16')
|
||||
"""
|
||||
|
||||
from PyTorch.SpeechSynthesis.Tacotron2.waveglow import model as waveglow
|
||||
from PyTorch.SpeechSynthesis.Tacotron2.models import batchnorm_to_float
|
||||
|
||||
fp16 = "model_math" in kwargs and kwargs["model_math"] == "fp16"
|
||||
force_reload = "force_reload" in kwargs and kwargs["force_reload"]
|
||||
|
||||
if pretrained:
|
||||
if fp16:
|
||||
checkpoint = 'https://developer.nvidia.com/joc-waveglow-fp16-pyt-20190306'
|
||||
else:
|
||||
checkpoint = 'https://developer.nvidia.com/joc-waveglow-fp32-pyt-20190306'
|
||||
ckpt_file = os.path.basename(checkpoint)
|
||||
if not os.path.exists(ckpt_file) or force_reload:
|
||||
sys.stderr.write('Downloading checkpoint from {}\n'.format(checkpoint))
|
||||
urllib.request.urlretrieve(checkpoint, ckpt_file)
|
||||
ckpt = torch.load(ckpt_file)
|
||||
state_dict = ckpt['state_dict']
|
||||
if checkpoint_from_distributed(state_dict):
|
||||
state_dict = unwrap_distributed(state_dict)
|
||||
config = ckpt['config']
|
||||
else:
|
||||
config = {'n_mel_channels': 80, 'n_flows': 12, 'n_group': 8,
|
||||
'n_early_every': 4, 'n_early_size': 2,
|
||||
'WN_config': {'n_layers': 8, 'kernel_size': 3,
|
||||
'n_channels': 512}}
|
||||
for k,v in kwargs.items():
|
||||
if k in config.keys():
|
||||
config[k] = v
|
||||
elif k in config['WN_config'].keys():
|
||||
config['WN_config'][k] = v
|
||||
|
||||
m = waveglow.WaveGlow(**config)
|
||||
|
||||
if fp16:
|
||||
m = batchnorm_to_float(m.half())
|
||||
for mat in m.convinv:
|
||||
mat.float()
|
||||
|
||||
if pretrained:
|
||||
m.load_state_dict(state_dict)
|
||||
|
||||
return m
|
||||
|
||||
def nvidia_ssd_processing_utils():
|
||||
import numpy as np
|
||||
import skimage
|
||||
from PyTorch.Detection.SSD.src.utils import dboxes300_coco, Encoder
|
||||
|
||||
class Processing:
|
||||
@staticmethod
|
||||
def load_image(image_path):
|
||||
"""Code from Loading_Pretrained_Models.ipynb - a Caffe2 tutorial"""
|
||||
img = skimage.img_as_float(skimage.io.imread(image_path))
|
||||
if len(img.shape) == 2:
|
||||
img = np.array([img, img, img]).swapaxes(0, 2)
|
||||
return img
|
||||
|
||||
@staticmethod
|
||||
def rescale(img, input_height, input_width):
|
||||
"""Code from Loading_Pretrained_Models.ipynb - a Caffe2 tutorial"""
|
||||
aspect = img.shape[1] / float(img.shape[0])
|
||||
if (aspect > 1):
|
||||
# landscape orientation - wide image
|
||||
res = int(aspect * input_height)
|
||||
imgScaled = skimage.transform.resize(img, (input_width, res))
|
||||
if (aspect < 1):
|
||||
# portrait orientation - tall image
|
||||
res = int(input_width / aspect)
|
||||
imgScaled = skimage.transform.resize(img, (res, input_height))
|
||||
if (aspect == 1):
|
||||
imgScaled = skimage.transform.resize(img, (input_width, input_height))
|
||||
return imgScaled
|
||||
|
||||
@staticmethod
|
||||
def crop_center(img, cropx, cropy):
|
||||
"""Code from Loading_Pretrained_Models.ipynb - a Caffe2 tutorial"""
|
||||
y, x, c = img.shape
|
||||
startx = x // 2 - (cropx // 2)
|
||||
starty = y // 2 - (cropy // 2)
|
||||
return img[starty:starty + cropy, startx:startx + cropx]
|
||||
|
||||
@staticmethod
|
||||
def normalize(img, mean=128, std=128):
|
||||
img = (img * 256 - mean) / std
|
||||
return img
|
||||
|
||||
@staticmethod
|
||||
def prepare_tensor(inputs, fp16=False):
|
||||
NHWC = np.array(inputs)
|
||||
NCHW = np.swapaxes(np.swapaxes(NHWC, 1, 3), 2, 3)
|
||||
tensor = torch.from_numpy(NCHW)
|
||||
tensor = tensor.cuda()
|
||||
tensor = tensor.float()
|
||||
if fp16:
|
||||
tensor = tensor.half()
|
||||
return tensor
|
||||
|
||||
@staticmethod
|
||||
def prepare_input(img_uri):
|
||||
img = Processing.load_image(img_uri)
|
||||
img = Processing.rescale(img, 300, 300)
|
||||
img = Processing.crop_center(img, 300, 300)
|
||||
img = Processing.normalize(img)
|
||||
return img
|
||||
|
||||
@staticmethod
|
||||
def decode_results(predictions):
|
||||
dboxes = dboxes300_coco()
|
||||
encoder = Encoder(dboxes)
|
||||
ploc, plabel = [val.float() for val in predictions]
|
||||
results = encoder.decode_batch(ploc, plabel, criteria=0.5, max_output=20)
|
||||
return [[pred.detach().cpu().numpy() for pred in detections] for detections in results]
|
||||
|
||||
@staticmethod
|
||||
def pick_best(detections, threshold=0.3):
|
||||
bboxes, classes, confidences = detections
|
||||
best = np.argwhere(confidences > threshold)[:, 0]
|
||||
return [pred[best] for pred in detections]
|
||||
|
||||
@staticmethod
|
||||
def get_coco_object_dictionary():
|
||||
import os
|
||||
file_with_coco_names = "category_names.txt"
|
||||
|
||||
if not os.path.exists(file_with_coco_names):
|
||||
print("Downloading COCO annotations.")
|
||||
import urllib
|
||||
import zipfile
|
||||
import json
|
||||
import shutil
|
||||
urllib.request.urlretrieve("http://images.cocodataset.org/annotations/annotations_trainval2017.zip", "cocoanno.zip")
|
||||
with zipfile.ZipFile("cocoanno.zip", "r") as f:
|
||||
f.extractall()
|
||||
print("Downloading finished.")
|
||||
with open("annotations/instances_val2017.json", 'r') as COCO:
|
||||
js = json.loads(COCO.read())
|
||||
class_names = [category['name'] for category in js['categories']]
|
||||
open("category_names.txt", 'w').writelines([c+"\n" for c in class_names])
|
||||
os.remove("cocoanno.zip")
|
||||
shutil.rmtree("annotations")
|
||||
else:
|
||||
class_names = open("category_names.txt").readlines()
|
||||
class_names = [c.strip() for c in class_names]
|
||||
return class_names
|
||||
|
||||
return Processing()
|
||||
|
||||
def nvidia_ssd(pretrained=True, **kwargs):
|
||||
"""Constructs an SSD300 model.
|
||||
For detailed information on model input and output, training recipies, inference and performance
|
||||
visit: github.com/NVIDIA/DeepLearningExamples and/or ngc.nvidia.com
|
||||
|
||||
Args:
|
||||
pretrained (bool, True): If True, returns a model pretrained on COCO dataset.
|
||||
model_math (str, 'fp32'): returns a model in given precision ('fp32' or 'fp16')
|
||||
"""Entrypoints moved to branch torchhub
|
||||
"""
|
||||
relocated()
|
||||
|
||||
from PyTorch.Detection.SSD.src import model as ssd
|
||||
|
||||
fp16 = "model_math" in kwargs and kwargs["model_math"] == "fp16"
|
||||
force_reload = "force_reload" in kwargs and kwargs["force_reload"]
|
||||
|
||||
m = ssd.SSD300()
|
||||
if fp16:
|
||||
m = m.half()
|
||||
|
||||
def batchnorm_to_float(module):
|
||||
"""Converts batch norm to FP32"""
|
||||
if isinstance(module, torch.nn.modules.batchnorm._BatchNorm):
|
||||
module.float()
|
||||
for child in module.children():
|
||||
batchnorm_to_float(child)
|
||||
return module
|
||||
|
||||
m = batchnorm_to_float(m)
|
||||
|
||||
if pretrained:
|
||||
if fp16:
|
||||
checkpoint = 'https://developer.nvidia.com/joc-ssd-fp16-pyt-20190225'
|
||||
else:
|
||||
checkpoint = 'https://developer.nvidia.com/joc-ssd-fp32-pyt-20190225'
|
||||
ckpt_file = os.path.basename(checkpoint)
|
||||
if not os.path.exists(ckpt_file) or force_reload:
|
||||
sys.stderr.write('Downloading checkpoint from {}\n'.format(checkpoint))
|
||||
urllib.request.urlretrieve(checkpoint, ckpt_file)
|
||||
ckpt = torch.load(ckpt_file)
|
||||
ckpt = ckpt['model']
|
||||
if checkpoint_from_distributed(ckpt):
|
||||
ckpt = unwrap_distributed(ckpt)
|
||||
m.load_state_dict(ckpt)
|
||||
return m
|
||||
def nvidia_ssd(**kwargs):
|
||||
"""Entrypoints moved to branch torchhub
|
||||
"""
|
||||
relocated()
|
||||
|
|
Loading…
Reference in a new issue