def __init__(self, in_features=None, out_features=None, bias=True, init=None, shape=None,
auto_shapes=True, d=3, tt_rank=8, auto_shape_mode='ascending',
auto_shape_criterion='entropy',
):
super(TTLinear, self).__init__()
if auto_shapes:
if in_features is None or out_features is None:
raise ValueError("Shape is not specified")
in_quantization = t3.utils.auto_shape(
in_features, d=d, criterion=auto_shape_criterion, mode=auto_shape_mode)
out_quantization = t3.utils.auto_shape(
out_features, d=d, criterion=auto_shape_criterion, mode=auto_shape_mode)
shape = [in_quantization, out_quantization]
if init is None:
if shape is None:
raise ValueError(
"if init is not provided, please specify shape, or set auto_shapes=True")
else:
shape = init.raw_shape
if init is None:
init = t3.glorot_initializer(shape, tt_rank=tt_rank)
self.shape = shape
self.weight = init.to_parameter()
self.parameters = self.weight.parameter
if bias:
self.bias = torch.nn.Parameter(1e-3 * torch.ones(out_features))
else:
self.register_parameter('bias', None)
def __init__(self,
init=None,
shape=None,
voc_size=None,
emb_size=None,
auto_shapes=None,
auto_shape_mode='ascending',
auto_shape_criterion='entropy',
d=3,
tt_rank=8,
batch_dim_last=None,
padding_idx=None,
naive=False):
super(TTEmbedding, self).__init__()
if auto_shapes:
voc_quantization = t3.utils.suggest_shape(
voc_size,
d=d,
criterion=auto_shape_criterion,
mode=auto_shape_mode)
emb_quantization = t3.utils.auto_shape(
emb_size,
d=d,
criterion=auto_shape_criterion,
mode=auto_shape_mode)
shape = [voc_quantization, emb_quantization]
self.shape = shape
else:
self.shape = shape
if init is None:
if shape is None:
raise ValueError('if init is not provided,'
' please specify shape')
else:
self.shape = init.raw_shape
if init is None:
init = t3.glorot_initializer(self.shape, tt_rank=tt_rank)
self.tt_matrix = init.to_parameter()
self.parameters = self.tt_matrix.parameter
# for p in self.parameters():
# p.name = 'tt_core'
self.batch_dim_last = batch_dim_last
self.voc_size = int(np.prod(self.shape[0]))
self.emb_size = int(np.prod(self.shape[1]))
self.voc_quant = self.shape[0]
self.emb_quant = self.shape[1]
self.padding_idx = padding_idx
self.naive = naive
def __init__(self, in_features=None, out_features=None, bias=True, init=None, shape=None,
auto_shapes=True, d=3, tt_rank=8, auto_shape_mode='ascending',
auto_shape_criterion='entropy', forward_mode=None
):
super(TTLinear, self).__init__()
if forward_mode not in FORWARD_MODES:
raise ValueError(
"Only {} are available, got {}".format(FORWARD_MODES, forward_mode)
)
if auto_shapes:
if in_features is None or out_features is None:
raise ValueError("Shape is not specified")
in_quantization = t3.utils.auto_shape(
in_features, d=d, criterion=auto_shape_criterion, mode=auto_shape_mode)
out_quantization = t3.utils.auto_shape(
out_features, d=d, criterion=auto_shape_criterion, mode=auto_shape_mode)
shape = [in_quantization, out_quantization]
if init is None:
if shape is None:
raise ValueError(
"if init is not provided, please specify shape, or set auto_shapes=True")
else:
shape = init.raw_shape
if init is None:
init = t3.glorot_initializer(shape, tt_rank=tt_rank)
self.shape = shape
self.weight = init.to_parameter()
self.parameters = self.weight.parameter
if forward_mode == "naive":
self.mm_op = t3.naive_dense_tt_matmul
elif forward_mode == "auto":
self.mm_op = t3.dense_tt_matmul
elif forward_mode == "custom":
self.fun = t3.ops.TTLinearFunction(shape=self.shape)
def helper(x, weight):
cores = weight.tt_cores
return self.fun.apply(x, *cores)
self.mm_op = helper
else:
raise NotImplementedError()
if bias:
self.bias = torch.nn.Parameter(1e-3 * torch.ones(out_features))
else:
self.register_parameter('bias', None)
