def scatter_map(obj):
if isinstance(obj, torch.Tensor):
return Scatter.apply(target_gpus, None, dim, obj)
if isinstance(obj, ComplexTensor):
sreal = Scatter.apply(target_gpus, None, dim, obj.real)
simag = Scatter.apply(target_gpus, None, dim, obj.imag)
return tuple(ComplexTensor(r, i) for r, i in zip(sreal, simag))
if isinstance(obj, tuple) and len(obj) > 0:
return list(zip(*map(scatter_map, obj)))
if isinstance(obj, list) and len(obj) > 0:
return list(map(list, zip(*map(scatter_map, obj))))
if isinstance(obj, dict) and len(obj) > 0:
return list(map(type(obj), zip(*map(scatter_map, obj.items()))))
return [obj for _ in target_gpus]
def scatter_map(obj):
if isinstance(obj, torch.Tensor):
return Scatter.apply(target_gpus, chunk_sizes, dim, obj)
if isinstance(obj, tuple) and len(obj) > 0:
return list(zip(*map(scatter_map, obj)))
if isinstance(obj, list) and len(obj) > 0:
return list(map(list, zip(*map(scatter_map, obj))))
if isinstance(obj, dict) and len(obj) > 0:
return list(map(type(obj), zip(*map(scatter_map, obj.items()))))
return [obj for targets in target_gpus]
def scatter_map(obj):
if isinstance(obj, Variable):
return Scatter.apply(target_gpus, chunk_sizes, dim, obj)
assert not torch.is_tensor(obj), "Tensors not supported in scatter."
if isinstance(obj, list):
return list_scatter(obj, target_gpus, chunk_sizes)
if isinstance(obj, tuple):
return list(zip(*map(scatter_map, obj)))
if isinstance(obj, dict):
return list(map(type(obj), zip(*map(scatter_map, obj.items()))))
return [obj for targets in target_gpus]
def scatter_map(obj):
if isinstance(obj, torch.Tensor):
return Scatter.apply(target_gpus, None, dim, obj)
if isinstance(obj, tuple) and len(obj) > 0:
return list(zip(*map(scatter_map, obj)))
if isinstance(obj, list) and len(obj) > 0:
return [obj[i] for i, targets in enumerate(target_gpus)
] # Keep it as listed!
if isinstance(obj, dict) and len(obj) > 0:
return list(map(type(obj),
zip(*map(scatter_map, obj.items()))))
return [obj for targets in target_gpus]
def scatter_map(obj):
if isinstance(obj, torch.Tensor):
return Scatter.apply(target_gpus, None, dim, obj)
if isinstance(obj, torch.distributions.Distribution):
return scatter_distrib(target_gpus, None, dim, obj)
if isinstance(obj, tuple) and len(obj) > 0:
return list(zip(*map(scatter_map, obj)))
if isinstance(obj, list) and len(obj) > 0:
return list(map(list, zip(*map(scatter_map, obj))))
if isinstance(obj, dict) and len(obj) > 0:
return list(map(type(obj), zip(*map(scatter_map, obj.items()))))
return [obj for targets in target_gpus]
def scatter_map(obj):
if isinstance(obj, torch.Tensor):
return Scatter.apply(target_gpus, None, dim, obj)
if isinstance(obj, tuple) and len(obj) > 0:
return list(zip(*map(scatter_map, obj)))
if isinstance(obj, list) and len(obj) > 0:
return list(map(list, zip(*map(scatter_map, obj))))
if isinstance(obj, dict) and len(obj) > 0:
return list(map(type(obj), zip(*map(scatter_map, obj.items()))))
if isinstance(obj, PackedSequence):
return packed_sequence_scatter(obj, target_gpus)
return [obj for _ in target_gpus]
def scatter_map(obj):
if isinstance(obj, Variable):
return Scatter.apply(target_gpus, None, dim, obj)
assert not torch.is_tensor(obj), "Tensors not supported in scatter."
if isinstance(obj, ScatterList):
assert len(obj) == len(target_gpus)
return [obj[i] for i in range(len(target_gpus))]
if isinstance(obj, tuple) and len(obj) > 0:
return list(zip(*map(scatter_map, obj)))
if isinstance(obj, list) and len(obj) > 0:
return list(map(list, zip(*map(scatter_map, obj))))
if isinstance(obj, dict) and len(obj) > 0:
return list(map(type(obj), zip(*map(scatter_map, obj.items()))))
return [obj for targets in target_gpus]
def scatter_map(obj, chunk_sizes=None):
if isinstance(obj, torch.Tensor):
return Scatter.apply(target_gpus, chunk_sizes, dim, obj)
if isinstance(obj, tuple) and obj:
chunked_scatter_map = partial(scatter_map, chunk_sizes=chunk_sizes)
return list(zip(*map(chunked_scatter_map, obj)))
if isinstance(obj, list) and obj:
chunked_scatter_map = partial(scatter_map, chunk_sizes=chunk_sizes)
return list(map(list, zip(*map(chunked_scatter_map, obj))))
if isinstance(obj, dict) and obj:
chunk_sizes = obj.get('chunk_sizes', chunk_sizes)
chunked_scatter_map = partial(scatter_map, chunk_sizes=chunk_sizes)
return list(
map(type(obj), zip(*map(chunked_scatter_map, obj.items()))))
return [obj for targets in target_gpus]
def scatter_map(obj):
if isinstance(obj, torch.Tensor):
return Scatter.apply(target_gpus, None, dim, obj)
if isinstance(obj, tuple) and len(obj) > 0:
return list(zip(*map(scatter_map, obj)))
if isinstance(obj, list) and len(obj) > 0:
return list(map(list, zip(*map(scatter_map, obj))))
if isinstance(obj, dict) and len(obj) > 0:
return list(map(type(obj), zip(*map(scatter_map, obj.items()))))
if isinstance(obj, DataStreams) and len(obj) > 0:
return list(map(type(obj), zip(*map(scatter_map, obj.items()))))
# Return "unscattered" object for all GPUs.
# This seems to be the cause of the issue for SentenceEmbeddings!
# TODO: further investigate.
return [obj for _ in target_gpus]
def scatter_map(obj):
if isinstance(obj, torch.Tensor):
try:
return Scatter.apply(target_gpus, chunk_sizes, dim, obj)
except:
print('obj', obj.size())
print('dim', dim)
print('chunk_sizes', chunk_sizes)
quit()
if isinstance(obj, tuple) and len(obj) > 0:
return list(zip(*map(scatter_map, obj)))
if isinstance(obj, list) and len(obj) > 0:
return list(map(list, zip(*map(scatter_map, obj))))
if isinstance(obj, dict) and len(obj) > 0:
return list(map(type(obj), zip(*map(scatter_map, obj.items()))))
return [obj for targets in target_gpus]
def scatter_map(obj):
if isinstance(obj, torch.Tensor):
return Scatter.apply(target_gpus, None, dim, obj)
if isinstance(obj, ScatterableList):
# In order to have precisely the same method of scattering as PyTorch we scatter
# a tensor of pointers.
pointers = scatter_map(obj.to_pointer_tensor())
# Then we reconstruct the lists from the pointer tensors.
return [obj.from_pointer_tensor(chunk) for chunk in pointers]
if isinstance(obj, tuple) and obj:
return list(zip(*map(scatter_map, obj)))
if isinstance(obj, list) and obj:
return list(map(list, zip(*map(scatter_map, obj))))
if isinstance(obj, dict) and obj:
return list(map(type(obj), zip(*map(scatter_map, obj.items()))))
return [obj for _ in target_gpus]
def scatter_map(obj):
if isinstance(obj, torch.Tensor):
return Scatter.apply(target_gpus, None, dim, obj)
if isinstance(obj, ScatterableList):
# In order to have precisely the same method of scattering as PyTorch we scatter
# a tensor of pointers.
pointers = scatter_map(obj.to_pointer_tensor())
# Then we reconstruct the lists from the pointer tensors.
return [obj.from_pointer_tensor(chunk) for chunk in pointers]
if isinstance(obj, tuple) and obj:
return list(zip(*map(scatter_map, obj)))
if isinstance(obj, list) and obj:
return list(map(list, zip(*map(scatter_map, obj))))
if isinstance(obj, dict) and obj:
return list(map(type(obj), zip(*map(scatter_map, obj.items()))))
return [obj for _ in target_gpus]
def scatter_map(obj):
if isinstance(obj, torch.Tensor):
return OrigScatter.apply(target_gpus, None, dim, obj)
if isinstance(obj, DataContainer):
if obj.cpu_only:
return obj.data
else:
return Scatter.forward(target_gpus, obj.data)
if isinstance(obj, tuple) and len(obj) > 0:
return list(zip(*map(scatter_map, obj)))
if isinstance(obj, list) and len(obj) > 0:
out = list(map(list, zip(*map(scatter_map, obj))))
return out
if isinstance(obj, dict) and len(obj) > 0:
out = list(map(type(obj), zip(*map(scatter_map, obj.items()))))
return out
return [obj for targets in target_gpus]
def scatter_map(obj):
if isinstance(obj, torch.Tensor):
result = Scatter.apply(target_gpus, None, dim, obj)
return result
if isinstance(obj, list) and len(obj) > 0:
result = ScatterShallow.apply(target_gpus, dim, obj)
return result
# `inputs` is either a tuple for positional arguments or a dict for keyword arguments,
# so just recursively go deeper.
if isinstance(obj, tuple) and len(obj) > 0:
result = list(zip(*map(scatter_map, obj)))
return result
if isinstance(obj, dict) and len(obj) > 0:
keys_and_values = list(zip(*map(scatter_map, obj.items())))
result = list(map(type(obj), keys_and_values))
return result
return [obj for targets in target_gpus]
def recursive_apply(target_gpus, dim, input):
if isinstance(input, torch.Tensor):
return Scatter.apply(target_gpus, None, dim, input)[0]
elif isinstance(input, list):
return [
ScatterShallow.recursive_apply(target_gpus, dim, i)
for i in input
]
elif isinstance(input, tuple):
return (ScatterShallow.recursive_apply(target_gpus, dim, i)
for i in input)
elif isinstance(input, dict):
return {
k: ScatterShallow.recursive_apply(target_gpus, dim, v)
for k, v in input.items()
}
return input
def scatter_map(obj):
if isinstance(obj, Variable):
# print('var')
return Scatter.apply(target_gpus, None, dim, obj)
assert not torch.is_tensor(obj), "Tensors not supported in scatter."
if isinstance(obj, ScatterList):
# print('target_gpus:', target_gpus, 'obj:', len(obj))
# assert len(obj) == len(target_gpus)
chunk_size = int(ceil(float(len(obj)) / float(len(target_gpus))))
# print('scatterlist')
# print (chunk_size, len(obj))
return [
obj[i * chunk_size:(i + 1) * chunk_size]
for i in range(len(target_gpus))
]
if isinstance(obj, tuple) and len(obj) > 0:
return list(zip(*map(scatter_map, obj)))
if isinstance(obj, list) and len(obj) > 0:
return list(map(list, zip(*map(scatter_map, obj))))
if isinstance(obj, dict) and len(obj) > 0:
return list(map(type(obj), zip(*map(scatter_map, obj.items()))))
# print('others')
return [obj for targets in target_gpus]
def scatter_map(obj):
if isinstance(obj, torch.Tensor):
if (len(target_gpus) == 4) and (obj.size(dim) == 22):
return Scatter.apply(target_gpus, (4, 6, 6, 6), dim, obj)
if (len(target_gpus) == 4) and (obj.size(dim) == 60):
return Scatter.apply(target_gpus, (12, 16, 16, 16), dim, obj)
elif (len(target_gpus) == 4) and (obj.size(dim) == 144):
return Scatter.apply(target_gpus, (24, 40, 40, 40), dim, obj)
elif (len(target_gpus) == 8) and (obj.size(dim) == 46):
return Scatter.apply(target_gpus, (4, 6, 6, 6, 6, 6, 6, 6),
dim, obj)
elif (len(target_gpus) == 8) and (obj.size(dim) == 62):
return Scatter.apply(target_gpus, (6, 8, 8, 8, 8, 8, 8, 8),
dim, obj)
elif (len(target_gpus) == 8) and (obj.size(dim) == 94):
return Scatter.apply(target_gpus,
(10, 12, 12, 12, 12, 12, 12, 12), dim,
obj)
elif (len(target_gpus) == 8) and (obj.size(dim) == 110):
return Scatter.apply(target_gpus,
(12, 14, 14, 14, 14, 14, 14, 14), dim,
obj)
elif (len(target_gpus) == 8) and (obj.size(dim) == 118):
return Scatter.apply(target_gpus,
(13, 15, 15, 15, 15, 15, 15, 15), dim,
obj)
elif (len(target_gpus) == 8) and (obj.size(dim) == 126):
return Scatter.apply(target_gpus,
(14, 16, 16, 16, 16, 16, 16, 16), dim,
obj)
elif (len(target_gpus) == 8) and (obj.size(dim) == 134):
return Scatter.apply(target_gpus,
(15, 17, 17, 17, 17, 17, 17, 17), dim,
obj)
elif (len(target_gpus) == 8) and (obj.size(dim) == 142):
return Scatter.apply(target_gpus,
(16, 18, 18, 18, 18, 18, 18, 18), dim,
obj)
elif (len(target_gpus) == 16) and (obj.size(dim) == 222):
return Scatter.apply(target_gpus,
(12, 14, 14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14), dim, obj)
return Scatter.apply(target_gpus, None, dim, obj)
if isinstance(obj, tuple) and len(obj) > 0:
return list(zip(*map(scatter_map, obj)))
if isinstance(obj, list) and len(obj) > 0:
return list(map(list, zip(*map(scatter_map, obj))))
if isinstance(obj, dict) and len(obj) > 0:
return list(map(type(obj), zip(*map(scatter_map, obj.items()))))
return [obj for targets in target_gpus]
def scatter_distrib(target_gpus, mystery, dim, obj):
if issubclass(type(obj), (dist.Normal, dist.MultivariateNormal)):
means = Scatter.apply(target_gpus, None, dim, obj.mean)
stddev = Scatter.apply(target_gpus, None, dim, obj.stddev)
return tuple(
[type(obj)(means[i], stddev[i]) for i in range(len(means))])
def scatter_map(obj):
map_strategy = {4: (1, 1, 1, 1), 8: (1, 2, 2, 3)}
if isinstance(obj, torch.Tensor):
# print("our",obj.size(dim))
if (len(target_gpus) == 4) and (obj.size(dim) == 8):
return Scatter.apply(target_gpus, map_strategy[8], dim, obj)
if (len(target_gpus) == 4) and (obj.size(dim) == 24):
return Scatter.apply(target_gpus, (2, 7, 7, 8), dim, obj)
if (len(target_gpus) == 4) and (obj.size(dim) == 12):
return Scatter.apply(target_gpus, (1, 3, 4, 4), dim, obj)
if (len(target_gpus) == 4) and (obj.size(dim) == 36):
return Scatter.apply(target_gpus, (6, 10, 10, 10), dim, obj)
if (len(target_gpus) == 4) and (obj.size(dim) == 16):
return Scatter.apply(target_gpus, (2, 4, 5, 5), dim, obj)
if (len(target_gpus) == 4) and (obj.size(dim) == 48):
return Scatter.apply(target_gpus, (9, 13, 13, 13), dim, obj)
if (len(target_gpus) == 4) and (obj.size(dim) == 22):
return Scatter.apply(target_gpus, (4, 6, 6, 6), dim, obj)
if (len(target_gpus) == 4) and (obj.size(dim) == 60):
return Scatter.apply(target_gpus, (12, 16, 16, 16), dim, obj)
elif (len(target_gpus) == 4) and (obj.size(dim) == 144):
return Scatter.apply(target_gpus, (24, 40, 40, 40), dim, obj)
elif (len(target_gpus) == 8) and (obj.size(dim) == 46):
return Scatter.apply(target_gpus, (4, 6, 6, 6, 6, 6, 6, 6),
dim, obj)
elif (len(target_gpus) == 8) and (obj.size(dim) == 62):
return Scatter.apply(target_gpus, (6, 8, 8, 8, 8, 8, 8, 8),
dim, obj)
elif (len(target_gpus) == 8) and (obj.size(dim) == 94):
return Scatter.apply(target_gpus,
(10, 12, 12, 12, 12, 12, 12, 12), dim,
obj)
elif (len(target_gpus) == 8) and (obj.size(dim) == 110):
return Scatter.apply(target_gpus,
(12, 14, 14, 14, 14, 14, 14, 14), dim,
obj)
elif (len(target_gpus) == 8) and (obj.size(dim) == 118):
return Scatter.apply(target_gpus,
(13, 15, 15, 15, 15, 15, 15, 15), dim,
obj)
elif (len(target_gpus) == 8) and (obj.size(dim) == 126):
return Scatter.apply(target_gpus,
(14, 16, 16, 16, 16, 16, 16, 16), dim,
obj)
elif (len(target_gpus) == 8) and (obj.size(dim) == 134):
return Scatter.apply(target_gpus,
(15, 17, 17, 17, 17, 17, 17, 17), dim,
obj)
elif (len(target_gpus) == 8) and (obj.size(dim) == 142):
return Scatter.apply(target_gpus,
(16, 18, 18, 18, 18, 18, 18, 18), dim,
obj)
elif (len(target_gpus) == 16) and (obj.size(dim) == 222):
return Scatter.apply(target_gpus,
(12, 14, 14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14), dim, obj)
return Scatter.apply(target_gpus, None, dim, obj)
if isinstance(obj, tuple) and len(obj) > 0:
return list(zip(*map(scatter_map, obj)))
if isinstance(obj, list) and len(obj) > 0:
# return list(map(list, zip(*map(scatter_map, obj))))
if isinstance(obj, list) and len(obj) == 4:
return [obj[0], obj[1], obj[2], obj[3]]
if isinstance(obj, dict) and len(obj) > 0:
return list(map(type(obj), zip(*map(scatter_map, obj.items()))))
return [obj for targets in target_gpus]