def extract(cls, node):
pb = node.parameters
collect_until_token(pb, b'<Dim>')
dim = read_binary_integer32_token(pb)
collect_until_token(pb, b'<BlockDim>')
block_dim = read_binary_integer32_token(pb)
collect_until_token(pb, b'<Epsilon>')
eps = read_binary_float_token(pb)
collect_until_token(pb, b'<TargetRms>')
target_rms = read_binary_float_token(pb)
collect_until_token(pb, b'<StatsMean>')
mean = read_binary_vector(pb)
collect_until_token(pb, b'<StatsVar>')
var = read_binary_vector(pb)
scale = target_rms / np.sqrt(var + eps)
shift = -target_rms * mean / np.sqrt(var + eps)
scale = np.tile(scale, dim // block_dim)
shift = np.tile(shift, dim // block_dim)
attrs = {'out-size': dim}
embed_input(attrs, 1, 'weights', scale)
embed_input(attrs, 2, 'biases', shift)
ScaleShiftOp.update_node_stat(node, attrs)
return cls.enabled
def extract(cls, node):
pb = node.parameters
try:
collect_until_token(pb, b'<InputDim>')
except Error:
raise Error("<InputDim> was not found")
in_dim = read_binary_integer32_token(pb)
try:
collect_until_token(pb, b'<OutputDim>')
except Error:
raise Error("<OutputDim> was not found")
out_dim = read_binary_integer32_token(pb)
assert in_dim % out_dim == 0
group = in_dim / out_dim
try:
collect_until_token(pb, b'<P>')
except Error:
raise Error("<P> was not found")
p = read_binary_float_token(pb)
attrs = {
'group': group,
'p': p,
}
PNormOp.update_node_stat(node, attrs)
return cls.enabled
def extract(cls, node):
pb = node.parameters
collect_until_token(pb, b'<MaxChange>')
max_change = read_binary_float_token(pb)
collect_until_token(pb, b'<L2Regularize>')
collect_until_token(pb, b'<LearningRate>')
collect_until_token(pb, b'<TimeOffsets>')
time_offsets = read_binary_vector(pb, False, np.int32)
collect_until_token(pb, b'<LinearParams>')
weights, weights_shape = read_binary_matrix(pb)
collect_until_token(pb, b'<BiasParams>')
bias_params = read_binary_vector(pb)
collect_until_token(pb, b'<OrthonormalConstraint>')
orthonormal_constraint = read_binary_float_token(
pb) # used only on training
collect_until_token(pb, b'<UseNaturalGradient>')
use_natural_grad = read_binary_bool_token(pb) # used only on training
collect_until_token(pb, b'<NumSamplesHistory>')
num_samples_hist = read_binary_float_token(pb)
collect_until_token(pb, b'<AlphaInOut>')
alpha_in_out = read_binary_float_token(pb), read_binary_float_token(
pb) # for training, usually (4, 4)
# according to Kaldi documentation http://kaldi-asr.org/doc/classkaldi_1_1nnet3_1_1TdnnComponent.html#details
# it looks like it's used only during training (but not 100% sure)
collect_until_token(pb, b'<RankInOut>')
rank_in_out = read_binary_integer32_token(
pb), read_binary_integer32_token(pb)
biases = mo_array(bias_params) if len(bias_params) != 0 else None
attrs = {
'weights': np.reshape(weights, weights_shape),
'biases': biases,
'time_offsets': time_offsets,
}
TdnnComponent.update_node_stat(node, attrs)
return cls.enabled
def extract(cls, node):
pb = node.parameters
size = collect_until_token_and_read(pb, b'<OutputDim>')
collect_until_token(pb, b'<DropoutProportion>')
dropout_proportion = read_binary_float_token(pb)
DropoutMask.update_node_stat(node, {
'dropout_proportion': 1.0 - dropout_proportion,
'size': size
})
return cls.enabled
def extract(cls, node):
pb = node.parameters
collect_until_token(pb, b'<Dim>')
dim = read_binary_integer32_token(pb)
collect_until_token(pb, b'<Scale>')
scale = read_binary_float_token(pb)
# TODO add real batch here
attrs = {}
embed_input(attrs, 1, 'weights', np.full([dim], scale))
ScaleShiftOp.update_node_stat(node, attrs)
return cls.enabled
def extract(cls, node):
pb = node.parameters
collect_until_token(pb, b'<Dim>')
dim = read_binary_integer32_token(pb)
collect_until_token(pb, b'<BlockDim>')
block_dim = read_binary_integer32_token(pb)
collect_until_token(pb, b'<TimePeriod>')
time_period = read_binary_integer32_token(pb)
collect_until_token(pb, b'<DropoutProportion>')
dropout_proporion = read_binary_float_token(pb)
# collect_until_token(pb, b'<Continuous>')
Identity.update_node_stat(node, {})
return cls.enabled
def extract(cls, node):
pb = node.parameters
try:
collect_until_token(pb, b'<Dim>')
except Error:
try:
pb.seek(0)
collect_until_token(pb, b'<InputDim>')
except Error:
raise Error("Neither <Dim> nor <InputDim> were found")
in_dim = read_binary_integer32_token(pb)
try:
collect_until_token(pb, b'<TargetRms>')
target_rms = read_binary_float_token(pb)
except Error:
# model does not contain TargetRms
target_rms = 1.0
try:
collect_until_token(pb, b'<AddLogStddev>')
add_log = read_binary_bool_token(pb)
except Error:
# model does not contain AddLogStddev
add_log = False
if add_log is not False:
raise Error("AddLogStddev True in Normalize component is not supported")
scale = target_rms * np.sqrt(in_dim)
attrs = {
'eps': 0.00000001,
'across_spatial': 0,
'channel_shared': 1,
'in_dim': in_dim,
}
embed_input(attrs, 1, 'weights', [scale])
NormalizeOp.update_node_stat(node, attrs)
return cls.enabled
def test_read_binary_float_token(self):
stream = self.bytesio_from(self.pack_value(4, 'B') + self.pack_value(0.001, self.float32_fmt))
self.assertAlmostEqual(read_binary_float_token(stream), 0.001)