def CPC_audio(pretrained=False, **kwargs):
"""
Contrast predictive learning model for audio data
pretrained: if True, load a model trained on libri-light 60k
(https://arxiv.org/abs/1912.07875)
**kwargs : see cpc/cpc_default_config to get the list of possible arguments
"""
locArgs = get_default_cpc_config()
if pretrained:
checkpoint_url = 'https://dl.fbaipublicfiles.com/librilight/CPC_checkpoints/60k_epoch4-d0f474de.pt'
checkpoint = torch.hub.load_state_dict_from_url(checkpoint_url,
progress=False)
loadArgs(locArgs, argparse.Namespace(**checkpoint["config"]))
else:
args = argparse.Namespace(**kwargs)
loadArgs(locArgs, args)
encoderNet = getEncoder(locArgs)
arNet = getAR(locArgs)
model = cpcmodel(encoderNet, arNet)
if pretrained:
model.load_state_dict(checkpoint["weights"], strict=False)
return model
downsampling_factor = 160
if args.pathCheckpoint == 'ID':
downsampling_factor = 1
feature_maker = IDModule()
hiddenGar = args.in_dim
elif args.pathCheckpoint == "hub":
print("Load model from pytorch hub")
locArgs = get_default_cpc_config()
checkpoint_url = 'https://dl.fbaipublicfiles.com/librilight/CPC_checkpoints/60k_epoch4-d0f474de.pt'
checkpoint = torch.hub.load_state_dict_from_url(checkpoint_url,
progress=False,
map_location="cuda:0")
loadArgs(locArgs, argparse.Namespace(**checkpoint["config"]))
encoderNet = getEncoder(locArgs)
arNet = getAR(locArgs)
model = CPCModel(encoderNet, arNet)
if not args.no_pretraining:
model.load_state_dict(checkpoint["weights"], strict=False)
feature_maker = model
hiddenGar = locArgs.hiddenGar
print(feature_maker, hiddenGar)
print()
else:
feature_maker, hiddenGar, _ = loadModel(
[args.pathCheckpoint], loadStateDict=not args.no_pretraining)
feature_maker.cuda()
feature_maker = torch.nn.DataParallel(feature_maker)
phone_criterion = CTCphone_criterion(hiddenGar,
nPhones,
def testbuildNoAR(self):
from cpc.model import CPCAR
self.default_args.arMode = 'RNN'
test_ar = fl.getAR(self.default_args)
ok_(isinstance(test_ar, CPCAR))
ok_(isinstance(test_ar.baseNet, torch.nn.RNN))
def testbuildNoAR(self):
from cpc.model import NoAr
self.default_args.arMode = 'no_ar'
test_ar = fl.getAR(self.default_args)
ok_(isinstance(test_ar, NoAr))
def main(args):
# import ptvsd
# ptvsd.enable_attach(('0.0.0.0', 7309))
# print("Attach debugger now")
# ptvsd.wait_for_attach()
args = parseArgs(args)
utils.set_seed(args.random_seed)
logs = {"epoch": [], "iter": [], "saveStep": args.save_step}
loadOptimizer = False
os.makedirs(args.pathCheckpoint, exist_ok=True)
if not args.onlyCapture and not args.only_classif_metric:
json.dump(vars(args), open(os.path.join(args.pathCheckpoint, 'checkpoint_args.json'), 'wt'))
if args.pathCheckpoint is not None and not args.restart:
cdata = fl.getCheckpointData(args.pathCheckpoint)
if cdata is not None:
data, logs, locArgs = cdata
print(f"Checkpoint detected at {data}")
fl.loadArgs(args, locArgs,
forbiddenAttr={"nGPU", "pathCheckpoint",
"debug", "restart", "world_size",
"n_nodes", "node_id", "n_gpu_per_node",
"max_size_loaded"})
args.load, loadOptimizer = [data], True
args.loadCriterion = True
logs["logging_step"] = args.logging_step
print(f'CONFIG:\n{json.dumps(vars(args), indent=4, sort_keys=True)}')
print('-' * 50)
seqNames, speakers = findAllSeqs(args.pathDB,
extension=args.file_extension,
loadCache=not args.ignore_cache)
if not args.onlyCapture or args.only_classif_metric:
print(f'Found files: {len(seqNames)} seqs, {len(speakers)} speakers')
# Datasets
if args.pathTrain is not None:
seqTrain = filterSeqs(args.pathTrain, seqNames)
else:
seqTrain = seqNames
if args.pathVal is None:
random.shuffle(seqTrain)
sizeTrain = int(0.99 * len(seqTrain))
seqTrain, seqVal = seqTrain[:sizeTrain], seqTrain[sizeTrain:]
print(f'Found files: {len(seqTrain)} train, {len(seqVal)} val')
else:
seqVal = filterSeqs(args.pathVal, seqNames)
if args.pathCaptureDS is not None:
assert args.pathCaptureSave is not None
whatToSave = []
if args.captureEverything:
whatToSave = ['conv_repr', 'ctx_repr', 'speaker_align', 'pred']
if args.path_phone_data:
whatToSave.append('phone_align')
if args.CPCCTC:
whatToSave.append('cpcctc_align')
whatToSave.append('cpcctc_log_scores')
else:
for argVal, name in zip([args.captureConvRepr,
args.captureCtxRepr,
args.captureSpeakerAlign,
args.capturePhoneAlign,
args.capturePred,
args.captureCPCCTCalign,
args.captureCPCCTClogScores],
['conv_repr', 'ctx_repr', 'speaker_align', 'phone_align', 'pred', 'cpcctc_align', 'cpcctc_log_scores']):
if argVal:
whatToSave.append(name)
###assert len(whatToSave) > 0
captureOptions = {
'path': args.pathCaptureSave,
'eachEpochs': args.captureEachEpochs,
'what': whatToSave
}
seqCapture = filterSeqs(args.pathCaptureDS, seqNames,
percentage=args.captureDSfreq, totalNum=args.captureDStotNr)
print(f'Capture files: {len(seqCapture)}')
else:
seqCapture = None
captureOptions = None
if not args.onlyCapture:
if args.debug:
seqTrain = seqTrain[-1000:]
seqVal = seqVal[-100:]
phoneLabels, nPhones = None, None
if args.supervised and args.pathPhone is not None:
print("Loading the phone labels at " + args.pathPhone)
phoneLabels, nPhones = parseSeqLabels(args.pathPhone)
print(f"{nPhones} phones found")
print("")
print(f'Loading audio data at {args.pathDB}')
print("Loading the training dataset")
trainDataset = AudioBatchData(args.pathDB,
args.sizeWindow,
seqTrain,
phoneLabels,
len(speakers),
nProcessLoader=args.n_process_loader,
MAX_SIZE_LOADED=args.max_size_loaded)
print("Training dataset loaded")
print("")
print("Loading the validation dataset")
valDataset = AudioBatchData(args.pathDB,
args.sizeWindow,
seqVal,
phoneLabels,
len(speakers),
nProcessLoader=args.n_process_loader)
print("Validation dataset loaded")
print("")
else:
phoneLabels, nPhones = None, None
trainDataset = None
valDataset = None
if seqCapture is not None:
if args.path_phone_data:
print("Loading the phone labels at " + args.path_phone_data)
phoneLabelsForCapture, _ = parseSeqLabels(args.path_phone_data)
else:
assert not args.capturePhoneAlign
phoneLabelsForCapture = None
print("Loading the capture dataset")
captureDataset = AudioBatchData(args.pathDB,
args.sizeWindow,
seqCapture,
phoneLabelsForCapture,
len(speakers),
nProcessLoader=args.n_process_loader)
print("Capture dataset loaded")
print("")
if args.captureSetStats:
captureSetStatsCollector = statutil.constructStatCollectorFromSpecs(args.captureSetStats)
else:
captureSetStatsCollector = None
else:
captureDataset = None
captureSetStatsCollector = None
if args.load is not None:
if args.gru_level is not None and args.gru_level > 0:
updateConfig = argparse.Namespace(nLevelsGRU=args.gru_level)
else:
updateConfig = None
# loadBestNotLast = args.onlyCapture or args.only_classif_metric
# could use this option for loading best state when not running actual training
# but relying on CPC internal acc isn't very reliable
# [!] caution - because of how they capture checkpoints,
# they capture "best in this part of training" as "best" (apart from capturing current state)
# so if best is in epoch 100 and training is paused and resumed from checkpoint
# in epoch 150, checkpoint from epoch 200 has "best from epoch 150" saved as globally best
# (but this is internal-CPC-score best anyway, which is quite vague)
cpcModel, args.hiddenGar, args.hiddenEncoder = \
fl.loadModel(args.load, load_nullspace=args.nullspace, updateConfig=updateConfig)
CPChiddenGar, CPChiddenEncoder = args.hiddenGar, args.hiddenEncoder
if args.gru_level is not None and args.gru_level > 0:
# Keep hidden units at LSTM layers on sequential batches
if args.nullspace:
cpcModel.cpc.gAR.keepHidden = True
else:
cpcModel.gAR.keepHidden = True
else:
# Encoder network
encoderNet = fl.getEncoder(args)
# AR Network
arNet = fl.getAR(args)
cpcModel = model.CPCModel(encoderNet, arNet)
CPChiddenGar, CPChiddenEncoder = cpcModel.gAR.getDimOutput(), cpcModel.gEncoder.getDimOutput()
batchSize = args.nGPU * args.batchSizeGPU
cpcModel.supervised = args.supervised
downsampling = cpcModel.cpc.gEncoder.DOWNSAMPLING if isinstance(cpcModel, model.CPCModelNullspace) else cpcModel.gEncoder.DOWNSAMPLING
# Training criterion
if args.load is not None and args.loadCriterion:
cpcCriterion = loadCriterion(args.load[0], downsampling,
len(speakers), nPhones)
else:
cpcCriterion = getCriterion(args, downsampling,
len(speakers), nPhones)
if loadOptimizer:
state_dict = torch.load(args.load[0], 'cpu')
cpcCriterion.load_state_dict(state_dict["cpcCriterion"])
cpcCriterion.cuda()
cpcModel.cuda()
# Optimizer
g_params = list(cpcCriterion.parameters()) + list(cpcModel.parameters())
lr = args.learningRate
optimizer = torch.optim.Adam(g_params, lr=lr,
betas=(args.beta1, args.beta2),
eps=args.epsilon)
if loadOptimizer and not args.onlyCapture and not args.only_classif_metric:
print("Loading optimizer " + args.load[0])
state_dict = torch.load(args.load[0], 'cpu')
if "optimizer" in state_dict:
optimizer.load_state_dict(state_dict["optimizer"])
# Checkpoint
if args.pathCheckpoint is not None and not args.onlyCapture and not args.only_classif_metric:
if not os.path.isdir(args.pathCheckpoint):
os.mkdir(args.pathCheckpoint)
args.pathCheckpoint = os.path.join(args.pathCheckpoint, "checkpoint")
with open(args.pathCheckpoint + "_args.json", 'w') as file:
json.dump(vars(args), file, indent=2)
scheduler = None
if args.schedulerStep > 0:
scheduler = torch.optim.lr_scheduler.StepLR(optimizer,
args.schedulerStep,
gamma=0.5)
if args.schedulerRamp is not None:
n_epoch = args.schedulerRamp
print(f"Ramp activated. n_e = {n_epoch}")
scheduler_ramp = torch.optim.lr_scheduler.LambdaLR(optimizer,
lr_lambda=lambda epoch: utils.ramp_scheduling_function(
n_epoch, epoch),
last_epoch=-1)
if scheduler is None:
scheduler = scheduler_ramp
else:
scheduler = utils.SchedulerCombiner([scheduler_ramp, scheduler],
[0, args.schedulerRamp])
if scheduler is not None:
print(f'Redoing {len(logs["epoch"])} scheduler steps')
for i in range(len(logs["epoch"])):
scheduler.step()
print("cpcModel", cpcModel)
print("cpcCriterion", cpcCriterion)
cpcModel = torch.nn.DataParallel(cpcModel,
device_ids=range(args.nGPU)).cuda()
cpcCriterion = torch.nn.DataParallel(cpcCriterion,
device_ids=range(args.nGPU)).cuda()
if args.supervised_classif_metric:
linsep_batch_size = args.linsepBatchSizeGPU * args.nGPU
dim_features = CPChiddenEncoder if args.phone_get_encoded else CPChiddenGar
dim_ctx_features = CPChiddenGar # for speakers using CNN encodings is not supported; could add but not very useful perhaps
phoneLabelsData = None
if args.path_phone_data:
phoneLabelsData, nPhonesInData = parseSeqLabels(args.path_phone_data)
if not args.CTCphones:
print(f"Running phone separability with aligned phones")
else:
print(f"Running phone separability with CTC loss")
def constructPhoneCriterionAndOptimizer():
if not args.CTCphones:
# print(f"Running phone separability with aligned phones")
phone_criterion = cr.PhoneCriterion(dim_features,
nPhonesInData, args.phone_get_encoded,
nLayers=args.linsep_net_layers)
else:
# print(f"Running phone separability with CTC loss")
phone_criterion = cr.CTCPhoneCriterion(dim_features,
nPhonesInData, args.phone_get_encoded,
nLayers=args.linsep_net_layers)
phone_criterion.cuda()
phone_criterion = torch.nn.DataParallel(phone_criterion, device_ids=range(args.nGPU))
# Optimizer
phone_g_params = list(phone_criterion.parameters())
phone_optimizer = torch.optim.Adam(phone_g_params, lr=args.linsep_lr,
betas=(args.linsep_beta1, args.linsep_beta2),
eps=args.linsep_epsilon)
return phone_criterion, phone_optimizer
if args.speaker_sep:
print(f"Running speaker separability")
def constructSpeakerCriterionAndOptimizer():
speaker_criterion = cr.SpeakerCriterion(dim_ctx_features, len(speakers),
nLayers=args.linsep_net_layers)
speaker_criterion.cuda()
speaker_criterion = torch.nn.DataParallel(speaker_criterion, device_ids=range(args.nGPU))
speaker_g_params = list(speaker_criterion.parameters())
speaker_optimizer = torch.optim.Adam(speaker_g_params, lr=args.linsep_lr,
betas=(args.linsep_beta1, args.linsep_beta2),
eps=args.linsep_epsilon)
return speaker_criterion, speaker_optimizer
linsep_db_train = AudioBatchData(args.pathDB, args.sizeWindow, seqTrain,
phoneLabelsData, len(speakers))
linsep_db_val = AudioBatchData(args.pathDB, args.sizeWindow, seqVal,
phoneLabelsData, len(speakers))
linsep_train_loader = linsep_db_train.getDataLoader(linsep_batch_size, "uniform", True,
numWorkers=0)
linsep_val_loader = linsep_db_val.getDataLoader(linsep_batch_size, 'sequential', False,
numWorkers=0)
def runLinsepClassificationTraining(numOfEpoch, cpcMdl, cpcStateEpoch):
log_path_for_epoch = os.path.join(args.linsep_logs_dir, str(numOfEpoch))
if not os.path.exists(log_path_for_epoch):
os.makedirs(log_path_for_epoch)
log_path_phoneme = os.path.join(log_path_for_epoch, "phoneme/")
log_path_speaker = os.path.join(log_path_for_epoch, "speaker/")
if not os.path.exists(log_path_phoneme):
os.makedirs(log_path_phoneme)
if not os.path.exists(log_path_speaker):
os.makedirs(log_path_speaker)
if args.linsep_checkpoint_dir:
checpoint_path_for_epoch = os.path.join(args.linsep_checkpoint_dir, str(numOfEpoch))
checkpoint_path_phoneme = os.path.join(checpoint_path_for_epoch, "phoneme/")
checkpoint_path_speaker = os.path.join(checpoint_path_for_epoch, "speaker/")
if not os.path.exists(checkpoint_path_phoneme):
os.makedirs(checkpoint_path_phoneme)
if not os.path.exists(checkpoint_path_speaker):
os.makedirs(checkpoint_path_speaker)
locLogsPhone = {}
locLogsSpeaker = {}
if args.path_phone_data:
phone_criterion, phone_optimizer = constructPhoneCriterionAndOptimizer()
locLogsPhone = linsep.trainLinsepClassification(
cpcMdl,
phone_criterion, # combined with classification model before
linsep_train_loader,
linsep_val_loader,
phone_optimizer,
log_path_phoneme,
args.linsep_task_logging_step,
checkpoint_path_phoneme,
args.linsep_n_epoch,
cpcStateEpoch,
'phone')
del phone_criterion
del phone_optimizer
if args.speaker_sep:
speaker_criterion, speaker_optimizer = constructSpeakerCriterionAndOptimizer()
locLogsSpeaker = linsep.trainLinsepClassification(
cpcMdl,
speaker_criterion, # combined with classification model before
linsep_train_loader,
linsep_val_loader,
speaker_optimizer,
log_path_speaker,
args.linsep_task_logging_step,
checkpoint_path_speaker,
args.linsep_n_epoch,
cpcStateEpoch,
'speaker')
del speaker_criterion
del speaker_optimizer
locLogsPhone = {"phone_" + k: v for k, v in locLogsPhone.items()}
locLogsSpeaker = {"speaker_" + k: v for k, v in locLogsSpeaker.items()}
return {**locLogsPhone, **locLogsSpeaker}
linsepClassificationTaskConfig = (args.linsep_classif_each_epochs,
runLinsepClassificationTraining)
else:
linsepClassificationTaskConfig = (None, None)
if not args.onlyCapture and not args.only_classif_metric:
run(trainDataset,
valDataset,
(captureDataset, captureOptions, captureSetStatsCollector),
linsepClassificationTaskConfig,
batchSize,
args.samplingType,
cpcModel,
cpcCriterion,
args.nEpoch,
args.pathCheckpoint,
optimizer,
scheduler,
logs)
if args.onlyCapture:
# caution [!] - will capture for last checkpoint (last saved state) if checkpoint directory given
# to use specific checkpoint provide full checkpoint file path
# will use "last state" and not "best in internal CPC accuracy" anyway
onlyCapture(
(captureDataset, captureOptions, captureSetStatsCollector),
batchSize,
cpcModel,
cpcCriterion,
logs)
if args.only_classif_metric:
# caution [!] - will use last checkpoint (last saved state) if checkpoint directory given
# to use specific checkpoint provide full checkpoint file path
# will use "last state" and not "best in internal CPC accuracy" anyway
trainedEpoch = len(logs["epoch"]) - 1
# runPhonemeClassificationTraining created above if args.supervised_classif_metric
runLinsepClassificationTraining(trainedEpoch, cpcModel, trainedEpoch)
def main(args):
args = parseArgs(args)
utils.set_seed(args.random_seed)
logs = {"epoch": [], "iter": [], "saveStep": args.save_step}
loadOptimizer = False
if args.pathCheckpoint is not None and not args.restart:
cdata = fl.getCheckpointData(args.pathCheckpoint)
if cdata is not None:
data, logs, locArgs = cdata
print(f"Checkpoint detected at {data}")
fl.loadArgs(args,
locArgs,
forbiddenAttr={
"nGPU", "pathCheckpoint", "debug", "restart",
"world_size", "n_nodes", "node_id",
"n_gpu_per_node", "max_size_loaded"
})
args.load, loadOptimizer = [data], True
args.loadCriterion = True
logs["logging_step"] = args.logging_step
print(f'CONFIG:\n{json.dumps(vars(args), indent=4, sort_keys=True)}')
print('-' * 50)
seqNames, speakers = findAllSeqs(args.pathDB,
extension=args.file_extension,
loadCache=not args.ignore_cache)
print(f'Found files: {len(seqNames)} seqs, {len(speakers)} speakers')
# Datasets
if args.pathTrain is not None:
seqTrain = filterSeqs(args.pathTrain, seqNames)
else:
seqTrain = seqNames
if args.pathVal is None:
random.shuffle(seqTrain)
sizeTrain = int(0.99 * len(seqTrain))
seqTrain, seqVal = seqTrain[:sizeTrain], seqTrain[sizeTrain:]
print(f'Found files: {len(seqTrain)} train, {len(seqVal)} val')
else:
seqVal = filterSeqs(args.pathVal, seqNames)
if args.debug:
seqTrain = seqTrain[-1000:]
seqVal = seqVal[-100:]
phoneLabels, nPhones = None, None
if args.supervised and args.pathPhone is not None:
print("Loading the phone labels at " + args.pathPhone)
phoneLabels, nPhones = parseSeqLabels(args.pathPhone)
print(f"{nPhones} phones found")
print("")
print(f'Loading audio data at {args.pathDB}')
print("Loading the training dataset")
trainDataset = AudioBatchData(args.pathDB,
args.sizeWindow,
seqTrain,
phoneLabels,
len(speakers),
nProcessLoader=args.n_process_loader,
MAX_SIZE_LOADED=args.max_size_loaded)
print("Training dataset loaded")
print("")
print("Loading the validation dataset")
valDataset = AudioBatchData(args.pathDB,
args.sizeWindow,
seqVal,
phoneLabels,
len(speakers),
nProcessLoader=args.n_process_loader)
print("Validation dataset loaded")
print("")
if args.load is not None:
cpcModel, args.hiddenGar, args.hiddenEncoder = \
fl.loadModel(args.load)
else:
# Encoder network
encoderNet = fl.getEncoder(args)
# AR Network
arNet = fl.getAR(args)
cpcModel = model.CPCModel(encoderNet, arNet)
batchSize = args.nGPU * args.batchSizeGPU
cpcModel.supervised = args.supervised
# Training criterion
if args.load is not None and args.loadCriterion:
cpcCriterion = loadCriterion(args.load[0],
cpcModel.gEncoder.DOWNSAMPLING,
len(speakers), nPhones)
else:
cpcCriterion = getCriterion(args, cpcModel.gEncoder.DOWNSAMPLING,
len(speakers), nPhones)
if loadOptimizer:
state_dict = torch.load(args.load[0], 'cpu')
cpcCriterion.load_state_dict(state_dict["cpcCriterion"])
cpcCriterion.cuda()
cpcModel.cuda()
# Optimizer
g_params = list(cpcCriterion.parameters()) + list(cpcModel.parameters())
lr = args.learningRate
optimizer = torch.optim.Adam(g_params,
lr=lr,
betas=(args.beta1, args.beta2),
eps=args.epsilon)
if loadOptimizer:
print("Loading optimizer " + args.load[0])
state_dict = torch.load(args.load[0], 'cpu')
if "optimizer" in state_dict:
optimizer.load_state_dict(state_dict["optimizer"])
# Checkpoint
if args.pathCheckpoint is not None:
if not os.path.isdir(args.pathCheckpoint):
os.mkdir(args.pathCheckpoint)
args.pathCheckpoint = os.path.join(args.pathCheckpoint, "checkpoint")
scheduler = None
if args.schedulerStep > 0:
scheduler = torch.optim.lr_scheduler.StepLR(optimizer,
args.schedulerStep,
gamma=0.5)
if args.schedulerRamp is not None:
n_epoch = args.schedulerRamp
print(f"Ramp activated. n_e = {n_epoch}")
scheduler_ramp = torch.optim.lr_scheduler.LambdaLR(
optimizer,
lr_lambda=lambda epoch: utils.ramp_scheduling_function(
n_epoch, epoch),
last_epoch=-1)
if scheduler is None:
scheduler = scheduler_ramp
else:
scheduler = utils.SchedulerCombiner([scheduler_ramp, scheduler],
[0, args.schedulerRamp])
if scheduler is not None:
for i in range(len(logs["epoch"])):
scheduler.step()
cpcModel = torch.nn.DataParallel(cpcModel,
device_ids=range(args.nGPU)).cuda()
cpcCriterion = torch.nn.DataParallel(cpcCriterion,
device_ids=range(args.nGPU)).cuda()
run(trainDataset, valDataset, batchSize, args.samplingType, cpcModel,
cpcCriterion, args.nEpoch, args.pathCheckpoint, optimizer, scheduler,
logs)
