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* Switch parser to use nogil functions

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This commit is contained in:
Matthew Honnibal 2016-01-30 20:27:07 +01:00
parent 10877a7791
commit 9410e74c92
2 changed files with 18 additions and 12 deletions
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4
spacy/syntax/parser.pxd
View File

@ -9,9 +9,11 @@ from ..structs cimport TokenC
cdef class ParserModel(AveragedPerceptron):
cdef void set_featuresC(self, ExampleC* eg, StateClass stcls) except *
cdef void set_featuresC(self, ExampleC* eg, StateClass stcls) nogil
cdef class Parser:
cdef readonly ParserModel model
cdef readonly TransitionSystem moves
cdef void parseC(self, Doc tokens, StateClass stcls, Example eg) nogil

26
spacy/syntax/parser.pyx
View File

@ -65,7 +65,7 @@ def ParserFactory(transition_system):
cdef class ParserModel(AveragedPerceptron):
cdef void set_featuresC(self, ExampleC* eg, StateClass stcls) except *:
cdef void set_featuresC(self, ExampleC* eg, StateClass stcls) nogil:
fill_context(eg.atoms, stcls)
eg.nr_feat = self.extracter.set_features(eg.features, eg.atoms)
@ -95,7 +95,6 @@ cdef class Parser:
raise NotImplementedError(
"This should be here, but isn't yet =/. Use Parser.from_dir")
def __reduce__(self):
return (Parser, (self.moves.strings, self.moves, self.model), None, None)
@ -103,11 +102,16 @@ cdef class Parser:
cdef StateClass stcls = StateClass.init(tokens.c, tokens.length)
self.moves.initialize_state(stcls)
cdef Pool mem = Pool()
cdef Example eg = Example(
nr_class=self.moves.n_moves,
nr_atom=CONTEXT_SIZE,
nr_feat=self.model.nr_feat)
with nogil:
self.parseC(tokens, stcls, eg)
# Check for KeyboardInterrupt etc. Untested
PyErr_CheckSignals()
cdef void parseC(self, Doc tokens, StateClass stcls, Example eg) nogil:
while not stcls.is_final():
self.model.set_featuresC(&eg.c, stcls)
self.moves.set_valid(eg.c.is_valid, stcls)
@ -116,15 +120,15 @@ cdef class Parser:
guess = VecVec.arg_max_if_true(eg.c.scores, eg.c.is_valid, eg.c.nr_class)
action = self.moves.c[guess]
if not eg.is_valid[guess]:
raise ValueError(
"Illegal action: %s" % self.moves.move_name(action.move, action.label)
)
if not eg.c.is_valid[guess]:
with gil:
move_name = self.moves.move_name(action.move, action.label)
raise ValueError("Illegal action: %s" % move_name)
action.do(stcls, action.label)
# Check for KeyboardInterrupt etc. Untested
PyErr_CheckSignals()
eg.reset_classes(eg.nr_class)
memset(eg.c.scores, 0, sizeof(eg.c.scores[0]) * eg.c.nr_class)
memset(eg.c.costs, 0, sizeof(eg.c.costs[0]) * eg.c.nr_class)
for i in range(eg.c.nr_class):
eg.c.is_valid[i] = 1
self.moves.finalize_state(stcls)
tokens.set_parse(stcls._sent)