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Fix history features

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This commit is contained in:
Matthew Honnibal 2017-10-03 13:27:10 +02:00
parent b770f4e108
commit 278a4c17c6
1 changed files with 6 additions and 8 deletions
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14
spacy/syntax/nn_parser.pyx
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@ -70,6 +70,8 @@ from ..attrs cimport ID, TAG, DEP, ORTH, NORM, PREFIX, SUFFIX, TAG
from . import _beam_utils
USE_HISTORY = True
HIST_SIZE = 2
HIST_DIMS = 16
def get_templates(*args, **kwargs):
return []
@ -262,13 +264,11 @@ cdef class Parser:
with Model.use_device('cpu'):
if depth == 0:
hist_size = 8
nr_dim = 8
if USE_HISTORY:
upper = chain(
HistoryFeatures(nr_class=nr_class, hist_size=hist_size,
nr_dim=nr_dim),
zero_init(Affine(nr_class, nr_class+hist_size*nr_dim,
HistoryFeatures(nr_class=nr_class, hist_size=HIST_SIZE,
nr_dim=HIST_DIMS),
zero_init(Affine(nr_class, nr_class+HIST_SIZE*HIST_DIMS,
drop_factor=0.0)))
upper.is_noop = False
else:
@ -736,15 +736,13 @@ cdef class Parser:
cdef StateClass state
cdef int[500] is_valid # TODO: Unhack
cdef float* c_scores = &scores[0, 0]
hists = []
for state in states:
self.moves.set_valid(is_valid, state.c)
guess = arg_max_if_valid(c_scores, is_valid, scores.shape[1])
action = self.moves.c[guess]
action.do(state.c, action.label)
c_scores += scores.shape[1]
hists.append(guess)
return hists
state.c.push_hist(guess)
def get_batch_loss(self, states, golds, float[:, ::1] scores):
cdef StateClass state