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Remove unused function

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ines 2017-10-25 12:08:46 +02:00
parent 3484174e48
commit 0b1dcbac14
1 changed files with 0 additions and 40 deletions
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spacy/_ml.py
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@ -482,46 +482,6 @@ def get_token_vectors(tokens_attrs_vectors, drop=0.):
return vectors, backward
def fine_tune(embedding, combine=None):
if combine is not None:
raise NotImplementedError(
"fine_tune currently only supports addition. Set combine=None")
def fine_tune_fwd(docs_tokvecs, drop=0.):
docs, tokvecs = docs_tokvecs
lengths = model.ops.asarray([len(doc) for doc in docs], dtype='i')
vecs, bp_vecs = embedding.begin_update(docs, drop=drop)
flat_tokvecs = embedding.ops.flatten(tokvecs)
flat_vecs = embedding.ops.flatten(vecs)
output = embedding.ops.unflatten(
(model.mix[0] * flat_tokvecs + model.mix[1] * flat_vecs), lengths)
def fine_tune_bwd(d_output, sgd=None):
flat_grad = model.ops.flatten(d_output)
model.d_mix[0] += flat_tokvecs.dot(flat_grad.T).sum()
model.d_mix[1] += flat_vecs.dot(flat_grad.T).sum()
bp_vecs([d_o * model.mix[1] for d_o in d_output], sgd=sgd)
if sgd is not None:
sgd(model._mem.weights, model._mem.gradient, key=model.id)
return [d_o * model.mix[0] for d_o in d_output]
return output, fine_tune_bwd
def fine_tune_predict(docs_tokvecs):
docs, tokvecs = docs_tokvecs
vecs = embedding(docs)
return [model.mix[0]*tv+model.mix[1]*v
for tv, v in zip(tokvecs, vecs)]
model = wrap(fine_tune_fwd, embedding)
model.mix = model._mem.add((model.id, 'mix'), (2,))
model.mix.fill(0.5)
model.d_mix = model._mem.add_gradient((model.id, 'd_mix'), (model.id, 'mix'))
model.predict = fine_tune_predict
return model
@layerize
def flatten(seqs, drop=0.):
if isinstance(seqs[0], numpy.ndarray):