spaCy/spacy/syntax/_parser_model.pxd
adrianeboyd 3dfc764577 Free pointers in parser activations (#4486)
* Free pointers in ActivationsC

* Restructure alloc/free for parser activations

* Rewrite/restructure to have allocation and free in parallel functions
in `_parser_model` rather than partially in `_parseC()` in `Parser`.

* Remove `resize_activations` from `_parser_model.pxd`.
2019-10-22 15:06:44 +02:00

51 lines
1.1 KiB
Cython

from libc.string cimport memset, memcpy
from libc.stdlib cimport calloc, free, realloc
from thinc.typedefs cimport weight_t, class_t, hash_t
from ._state cimport StateC
cdef struct SizesC:
int states
int classes
int hiddens
int pieces
int feats
int embed_width
cdef struct WeightsC:
const float* feat_weights
const float* feat_bias
const float* hidden_bias
const float* hidden_weights
const float* seen_classes
cdef struct ActivationsC:
int* token_ids
float* unmaxed
float* scores
float* hiddens
int* is_valid
int _curr_size
int _max_size
cdef WeightsC get_c_weights(model) except *
cdef SizesC get_c_sizes(model, int batch_size) except *
cdef ActivationsC alloc_activations(SizesC n) nogil
cdef void free_activations(const ActivationsC* A) nogil
cdef void predict_states(ActivationsC* A, StateC** states,
const WeightsC* W, SizesC n) nogil
cdef int arg_max_if_valid(const weight_t* scores, const int* is_valid, int n) nogil
cdef void cpu_log_loss(float* d_scores,
const float* costs, const int* is_valid, const float* scores, int O) nogil