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Add test for beam update

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This commit is contained in:
Matthew Honnibal 2017-08-12 17:15:28 -05:00
parent 4638f4b869
commit 24b45b45c6
1 changed files with 13 additions and 0 deletions
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spacy/tests/parser/test_neural_parser.py
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@ -78,3 +78,16 @@ def test_predict_doc_beam(parser, tok2vec, model, doc):
parser(doc, beam_width=32, beam_density=0.001) parser(doc, beam_width=32, beam_density=0.001)
for word in doc: for word in doc:
print(word.text, word.head, word.dep_) print(word.text, word.head, word.dep_)
def test_update_doc_beam(parser, tok2vec, model, doc, gold):
parser.model = model
tokvecs, bp_tokvecs = tok2vec.begin_update([doc])
d_tokvecs = parser.update_beam(([doc], tokvecs), [gold])
assert d_tokvecs[0].shape == tokvecs[0].shape
def optimize(weights, gradient, key=None):
weights -= 0.001 * gradient
bp_tokvecs(d_tokvecs, sgd=optimize)
assert d_tokvecs[0].sum() == 0.