def FPropMeta(cls, p, *args):
py_utils.CheckShapes(args)
total = 0
for _ in range(p.repeat):
for sub in p.sub:
tf.logging.vlog(1, ' seq abs fprop %s %s %d %s', sub.name,
sub.cls, len(args), str(args))
meta = sub.cls.FPropMeta(sub, *args)
py_utils.CheckShapes(meta.out_shapes)
total += meta.flops
args = meta.out_shapes
return py_utils.NestedMap(flops=total, out_shapes=args)
def FPropMeta(cls, p, *args):
py_utils.CheckShapes(args)
input_shapes = [
None if arg is None else tshape.Shape(arg.get_shape().as_list()[1:])
for arg in args
]
meta = p.body.cls.FPropMeta(p.body, *input_shapes)
py_utils.CheckShapes(meta.out_shapes)
total = meta.flops * p.repeat
out_shapes = [
None if s is None else tshape.Shape([p.repeat] + s[:])
for s in meta.out_shapes
]
return py_utils.NestedMap(flops=total, out_shapes=tuple(out_shapes))
def FPropMeta(cls, p, *args):
py_utils.CheckShapes(args)
if p.n > 1:
out_shapes = args[:p.n]
else:
out_shapes = (args[0],)
return py_utils.NestedMap(flops=0, out_shapes=out_shapes)
def FPropMeta(cls, p, *args):
py_utils.CheckShapes(args)
total = 0
graph_tensors = GraphTensors()
assert len(p.input_endpoints) == len(args)
for n, t in zip(p.input_endpoints, args):
graph_tensors.StoreTensor(n, t)
ch_out = None
for signature, sub in p.sub:
sig = GraphSignature(signature)
template = py_utils.NestedMap(inputs=sig.inputs)
packed = template.Transform(graph_tensors.GetTensor)
input_args = packed.inputs
meta = sub.cls.FPropMeta(sub, *input_args)
total += meta.flops
ch_out = meta.out_shapes
assert len(ch_out) == len(sig.outputs)
for n, t in zip(sig.outputs, ch_out):
graph_tensors.StoreTensor(n, t)
layer_out = tuple(graph_tensors.GetTensor(x) for x in p.output_endpoints)
return py_utils.NestedMap(flops=total, out_shapes=layer_out)
def FPropMeta(cls, p, inputs):
py_utils.CheckShapes((inputs,))
assert p.input_dims == inputs[-1]
# c_{ij} += x_{ik} * y_{kj} are considered 2 flops.
return py_utils.NestedMap(
flops=inputs.size * p.output_dims * 2,
out_shapes=(inputs[:-1] + [p.output_dims],))
def FPropMeta(cls, p, inputs, paddings): py_utils.CheckShapes((inputs, paddings)) b, t, f, _ = inputs assert f == 1 oc = p.filter_shape[2] * p.filter_shape[3] * p.weight_tiling_factor outputs = tshape.Shape([b, t, f, oc]) flops = b * t * f * p.filter_shape[0] * oc * 5 return py_utils.NestedMap(flops=flops, out_shapes=(outputs, paddings))
def FPropMeta(cls, p, *args):
py_utils.CheckShapes(args)
total = 0
outputs = []
for sub in p.sub:
tf.logging.vlog(1, ' par abs fprop %s %s %d %s', sub.name, sub.cls,
len(args), str(args))
meta = sub.cls.FPropMeta(sub, *args)
py_utils.CheckShapes(meta.out_shapes)
meta.VLog(
1, ' par abs fprop {} {} {} {}'.format(sub.name, sub.cls, len(args),
str(args)))
total += meta.flops
outputs.append(meta.out_shapes)
meta = p.merge_meta(outputs)
py_utils.CheckShapes(meta.out_shapes)
meta.flops += total
return meta
def FPropMeta(cls, p, *args):
flops, rets = 0, []
for x in args:
if x is None:
rets.append(None)
else:
cost, shape = p.fn_meta(x)
py_utils.CheckShapes((shape,))
flops += cost
rets.append(shape)
return py_utils.NestedMap(flops=flops, out_shapes=tuple(rets))
def _common_gpipe_transformer_fprop_meta(p, inputs, *args):
"""GPipe FPropMeta function."""
# TODO(huangyp): return accurate estimate of flops.
py_utils.CheckShapes((inputs, ))
flops_per_element = 5
src_time, source_batch, dim = inputs
flops = flops_per_element * src_time * src_time * source_batch * dim
args = args if isinstance(args, tuple) else (args, )
if not p.has_aux_atten and p.is_transparent: # Transparent Encoder FPropMeta
if p.transparent_merger_tpl is not None:
args = args[:5] + (
inputs, tshape.Shape([p.transparent_merger_tpl.num_sources]))
args = args[:6] + (tshape.Shape([args[6][0] - 1]), )
if p.final_enc_layer:
args = args[:5] + (None, None)
return py_utils.NestedMap(flops=flops, out_shapes=(inputs, ) + args)
def FPropMeta(cls, p, inputs, *args):
# TODO(ankurbpn): return accurate estimate of flops.
py_utils.CheckShapes((inputs, ))
flops_per_element = 2 # Is this correct?
vocab = p.token_emb.vocab_size
dim = p.token_emb.embedding_dim
src_dim_0, src_dim_1 = inputs
flops = flops_per_element * src_dim_0 * src_dim_1 * dim * vocab
args = args if isinstance(args, tuple) else (args, )
new_inputs = tshape.Shape([src_dim_0, src_dim_1, dim])
new_args = list(args)
if p.add_tgt_embedding_layer:
tgt_dim_0, tgt_dim_1 = args[1]
new_args[1] = tshape.Shape([tgt_dim_0, tgt_dim_1, dim])
if p.ret_task_ids:
new_args = new_args[:5] + [None, None] + new_args[7:]
else:
new_args = new_args[:5] + [None, None]
new_args = tuple(new_args)
return py_utils.NestedMap(flops=flops,
out_shapes=(new_inputs, ) + new_args)
def FPropMeta(cls, p, inputs):
"""Returns metadata about the `FProp` computation for this layer."""
py_utils.CheckShapes((inputs, ))
return py_utils.NestedMap(flops=inputs.num_elements() *
_BN_FLOPS_PER_ELEMENT,
out_shapes=(inputs, ))
def FPropMeta(cls, p, *args): py_utils.CheckShapes(args) meta = p.body.cls.FPropMeta(p.body, *args) py_utils.CheckShapes(meta.out_shapes) total = meta.flops * p.repeat return py_utils.NestedMap(flops=total, out_shapes=args)
def FPropMeta(cls, p, inputs): py_utils.CheckShapes((inputs,)) assert inputs[-1] == p.dims return py_utils.NestedMap(flops=inputs.size, out_shapes=(inputs,))
def FPropMeta(cls, p, *args): py_utils.CheckShapes(args) meta = p.fn_meta(*args) py_utils.CheckShapes(meta.out_shapes) return meta
def FPropMeta(cls, p, *args): py_utils.CheckShapes(args) return p.body.cls.FPropMeta(p.body, *args)
def FPropMeta(cls, p, *args): py_utils.CheckShapes(args) return py_utils.NestedMap(flops=0, out_shapes=args)
def FPropMeta(cls, p, inputs, padding=None):
py_utils.CheckShapes((inputs, ))
return py_utils.NestedMap(flops=inputs.num_elements() *
_BN_FLOPS_PER_ELEMENT,
out_shapes=(inputs, ))
