mirror of
https://github.com/explosion/spaCy.git
synced 2024-09-21 03:19:13 +03:00
* Prepare to switch to using state class, instead of state struct
This commit is contained in:
Matthew Honnibal
parent
2b9629ed62
commit
0895d454fb
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@ -4,6 +4,7 @@ from ._state cimport State
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cdef int fill_context(atom_t* context, State* state) except -1
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cdef int _new_fill_context(atom_t* context, State* state) except -1
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# Context elements
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# Ensure each token's attributes are listed: w, p, c, c6, c4. The order
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@ -20,6 +20,11 @@ from ._state cimport has_head, get_left, get_right
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from ._state cimport count_left_kids, count_right_kids
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from .stateclass cimport StateClass
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from cymem.cymem cimport Pool
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cdef inline void fill_token(atom_t* context, const TokenC* token) nogil:
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if token is NULL:
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context[0] = 0
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@ -60,6 +65,53 @@ cdef inline void fill_token(atom_t* context, const TokenC* token) nogil:
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context[10] = token.ent_iob
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context[11] = token.ent_type
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cdef int _new_fill_context(atom_t* ctxt, State* state) except -1:
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# Take care to fill every element of context!
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# We could memset, but this makes it very easy to have broken features that
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# make almost no impact on accuracy. If instead they're unset, the impact
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# tends to be dramatic, so we get an obvious regression to fix...
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cdef StateClass st = StateClass(state.sent_len)
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st.from_struct(state)
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fill_token(&ctxt[S2w], st.S_(2))
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fill_token(&ctxt[S1w], st.S_(1))
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fill_token(&ctxt[S1rw], st.R_(st.S(1), 1))
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fill_token(&ctxt[S0lw], st.L_(st.S(0), 1))
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fill_token(&ctxt[S0l2w], st.L_(st.S(0), 2))
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fill_token(&ctxt[S0w], st.S_(0))
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fill_token(&ctxt[S0r2w], st.R_(st.S(0), 2))
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fill_token(&ctxt[S0rw], st.R_(st.S(0), 1))
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fill_token(&ctxt[N0lw], st.L_(st.B(0), 1))
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fill_token(&ctxt[N0l2w], st.L_(st.B(0), 2))
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fill_token(&ctxt[N0w], st.B_(0))
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fill_token(&ctxt[N1w], st.B_(1))
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fill_token(&ctxt[N2w], st.B_(2))
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fill_token(&ctxt[P1w], st.safe_get(st.B(0)-1))
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fill_token(&ctxt[P2w], st.safe_get(st.B(0)-2))
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# TODO
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fill_token(&ctxt[E0w], get_e0(state))
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fill_token(&ctxt[E1w], get_e1(state))
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if st.stack_depth() >= 1 and not st.eol():
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ctxt[dist] = min(st.S(0) - st.B(0), 5) # TODO: This is backwards!!
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else:
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ctxt[dist] = 0
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ctxt[N0lv] = min(st.n_L(st.B(0)), 5)
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ctxt[S0lv] = min(st.n_L(st.S(0)), 5)
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ctxt[S0rv] = min(st.n_R(st.S(0)), 5)
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ctxt[S1lv] = min(st.n_L(st.S(1)), 5)
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ctxt[S1rv] = min(st.n_R(st.S(1)), 5)
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ctxt[S0_has_head] = 0
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ctxt[S1_has_head] = 0
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ctxt[S2_has_head] = 0
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if st.stack_depth() >= 1:
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ctxt[S0_has_head] = st.has_head(st.S(0)) + 1
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if st.stack_depth() >= 2:
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ctxt[S1_has_head] = st.has_head(st.S(1)) + 1
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if st.stack_depth() >= 3:
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ctxt[S2_has_head] = st.has_head(st.S(2)) + 1
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cdef int fill_context(atom_t* context, State* state) except -1:
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# Take care to fill every element of context!
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@ -115,29 +115,33 @@ cdef bint has_head(const TokenC* t) nogil:
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cdef const TokenC* get_left(const State* s, const TokenC* head, const int idx) nogil:
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return _new_get_left(s, head, idx)
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#cdef uint32_t kids = head.l_kids
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#if kids == 0:
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# return NULL
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#cdef int offset = _nth_significant_bit(kids, idx)
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#cdef const TokenC* child = head - offset
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#if child >= s.sent:
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# return child
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##else:
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# return NULL
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"""
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cdef uint32_t kids = head.l_kids
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if kids == 0:
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return NULL
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cdef int offset = _nth_significant_bit(kids, idx)
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cdef const TokenC* child = head - offset
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if child >= s.sent:
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return child
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else:
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return NULL
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"""
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cdef const TokenC* get_right(const State* s, const TokenC* head, const int idx) nogil:
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return _new_get_right(s, head, idx)
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#cdef uint32_t kids = head.r_kids
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#if kids == 0:
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# return NULL
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#cdef int offset = _nth_significant_bit(kids, idx)
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#cdef const TokenC* child = head + offset
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#if child < (s.sent + s.sent_len):
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# return child
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#else:
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# return NULL
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"""
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cdef uint32_t kids = head.r_kids
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if kids == 0:
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return NULL
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cdef int offset = _nth_significant_bit(kids, idx)
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cdef const TokenC* child = head + offset
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if child < (s.sent + s.sent_len):
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return child
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else:
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return NULL
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"""
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cdef int count_left_kids(const TokenC* head) nogil:
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return _popcount(head.l_kids)
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@ -6,6 +6,5 @@ from thinc.typedefs cimport weight_t
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from ._state cimport State
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from .transition_system cimport TransitionSystem, Transition
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cdef class ArcEager(TransitionSystem):
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pass
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@ -22,7 +22,7 @@ from libc.stdint cimport uint32_t
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from libc.string cimport memcpy
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from cymem.cymem cimport Pool
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from ..stateclass cimport StateClass
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from .stateclass cimport StateClass
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DEF NON_MONOTONIC = True
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@ -59,32 +59,63 @@ MOVE_NAMES[ADJUST] = 'A'
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# Helper functions for the arc-eager oracle
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cdef int push_cost(const State* st, const GoldParseC* gold, int target) except -1:
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# When we push a word, we can't make arcs to or from the stack. So, we lose
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# any of those arcs.
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cdef StateClass stcls = StateClass(st.sent_len)
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stcls.from_struct(st)
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cdef int cost = 0
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cost += head_in_stack(st, target, gold.heads)
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cost += children_in_stack(st, target, gold.heads)
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# If we can Break, we shouldn't push
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cdef int i, S_i
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for i in range(stcls.stack_depth()):
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S_i = stcls.S(i)
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if gold.heads[target] == S_i:
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cost += 1
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if gold.heads[S_i] == target and (NON_MONOTONIC or not stcls.has_head(S_i)):
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cost += 1
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cost += Break.is_valid(st, -1) and Break.move_cost(st, gold) == 0
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return cost
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# When we push a word, we can't make arcs to or from the stack. So, we lose
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# any of those arcs.
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#cost += head_in_stack(st, target, gold.heads)
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#cost += children_in_stack(st, target, gold.heads)
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# If we can Break, we shouldn't push
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#cost += Break.is_valid(st, -1) and Break.move_cost(st, gold) == 0
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#return cost
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cdef int pop_cost(const State* st, const GoldParseC* gold, int target) except -1:
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cdef StateClass stcls = StateClass(st.sent_len)
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stcls.from_struct(st)
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cdef int cost = 0
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cost += children_in_buffer(st, target, gold.heads)
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cost += head_in_buffer(st, target, gold.heads)
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cdef int i, B_i
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for i in range(stcls.buffer_length()):
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B_i = stcls.B(i)
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cost += gold.heads[B_i] == target
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cost += gold.heads[target] == B_i
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if gold.heads[B_i] == B_i or gold.heads[B_i] < target:
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break
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return cost
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#cost += children_in_buffer(st, target, gold.heads)
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#cost += head_in_buffer(st, target, gold.heads)
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#return cost
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cdef int arc_cost(const State* st, const GoldParseC* gold, int head, int child) except -1:
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cdef StateClass stcls = StateClass(st.sent_len)
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stcls.from_struct(st)
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if arc_is_gold(gold, head, child):
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return 0
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elif (child + st.sent[child].head) == gold.heads[child]:
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elif stcls.H(child) == gold.heads[child]:
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return 1
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elif gold.heads[child] >= st.i:
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elif gold.heads[child] >= stcls.B(0):
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return 1
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else:
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return 0
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#if arc_is_gold(gold, head, child):
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# return 0
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#elif (child + st.sent[child].head) == gold.heads[child]:
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# return 1
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#elif gold.heads[child] >= st.i:
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# return 1
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#else:
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# return 0
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cdef bint arc_is_gold(const GoldParseC* gold, int head, int child) except -1:
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@ -122,7 +153,6 @@ cdef class Shift:
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cdef bint _new_is_valid(StateClass st, int label) except -1:
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return not st.eol()
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@staticmethod
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cdef int transition(State* state, int label) except -1:
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# Set the dep label, in case we need it after we reduce
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@ -596,14 +626,17 @@ cdef class ArcEager(TransitionSystem):
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state.sent[i].dep = root_label
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cdef int set_valid(self, bint* output, const State* state) except -1:
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raise Exception
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cdef StateClass stcls = StateClass(state.sent_len)
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stcls.from_struct(state)
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cdef bint[N_MOVES] is_valid
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is_valid[SHIFT] = Shift.is_valid(state, -1)
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is_valid[REDUCE] = Reduce.is_valid(state, -1)
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is_valid[LEFT] = LeftArc.is_valid(state, -1)
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is_valid[RIGHT] = RightArc.is_valid(state, -1)
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is_valid[BREAK] = Break.is_valid(state, -1)
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is_valid[CONSTITUENT] = Constituent.is_valid(state, -1)
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is_valid[ADJUST] = Adjust.is_valid(state, -1)
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is_valid[SHIFT] = Shift._new_is_valid(stcls, -1)
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is_valid[REDUCE] = Reduce._new_is_valid(stcls, -1)
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is_valid[LEFT] = LeftArc._new_is_valid(stcls, -1)
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is_valid[RIGHT] = RightArc._new_is_valid(stcls, -1)
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is_valid[BREAK] = Break._new_is_valid(stcls, -1)
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is_valid[CONSTITUENT] = False # Constituent.is_valid(state, -1)
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is_valid[ADJUST] = False # Adjust.is_valid(state, -1)
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cdef int i
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for i in range(self.n_moves):
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output[i] = is_valid[self.c[i].move]
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@ -641,10 +674,10 @@ cdef class ArcEager(TransitionSystem):
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output[i] = move_costs[move] + label_cost_funcs[move](s, &gold.c, label)
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cdef Transition best_valid(self, const weight_t* scores, const State* s) except *:
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cdef Pool mem = Pool()
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cdef StateClass stcls = StateClass.from_struct(mem, s)
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assert s is not NULL
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cdef StateClass stcls = StateClass(s.sent_len)
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stcls.from_struct(s)
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cdef bint[N_MOVES] is_valid
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#is_valid[SHIFT] = Shift.is_valid(s, -1)
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is_valid[SHIFT] = Shift._new_is_valid(stcls, -1)
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is_valid[REDUCE] = Reduce._new_is_valid(stcls, -1)
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is_valid[LEFT] = LeftArc._new_is_valid(stcls, -1)
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@ -1,4 +1,5 @@
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# cython: profile=True
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# cython: experimental_cpp_class_def=True
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"""
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MALT-style dependency parser
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"""
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@ -38,7 +39,9 @@ from ._state cimport State, new_state, copy_state, is_final, push_stack, get_lef
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from ..gold cimport GoldParse
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from . import _parse_features
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from ._parse_features cimport fill_context, CONTEXT_SIZE
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from ._parse_features cimport CONTEXT_SIZE
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from ._parse_features cimport _new_fill_context as fill_context
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#from ._parse_features cimport fill_context
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DEBUG = False
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@ -2,14 +2,11 @@ from libc.string cimport memcpy, memset
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from cymem.cymem cimport Pool
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from structs cimport TokenC
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from ..structs cimport TokenC
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from .syntax._state cimport State
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from ._state cimport State
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from .vocab cimport EMPTY_LEXEME
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cdef TokenC EMPTY_TOKEN
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from ..vocab cimport EMPTY_LEXEME
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cdef class StateClass:
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@ -17,45 +14,13 @@ cdef class StateClass:
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cdef int* _stack
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cdef int* _buffer
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cdef TokenC* _sent
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cdef TokenC _empty_token
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cdef int length
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cdef int _s_i
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cdef int _b_i
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@staticmethod
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cdef inline StateClass init(const TokenC* sent, int length):
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cdef StateClass self = StateClass(length)
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memcpy(self._sent, sent, sizeof(TokenC*) * length)
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return self
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cdef int from_struct(self, const State* state) except -1
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@staticmethod
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cdef inline StateClass from_struct(Pool mem, const State* state):
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cdef StateClass self = StateClass.init(state.sent, state.sent_len)
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memcpy(self._stack, state.stack - state.stack_len, sizeof(int) * state.stack_len)
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self._s_i = state.stack_len - 1
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self._b_i = state.i
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return self
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cdef inline const TokenC* S_(self, int i) nogil:
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return self.safe_get(self.S(i))
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cdef inline const TokenC* B_(self, int i) nogil:
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return self.safe_get(self.B(i))
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cdef inline const TokenC* H_(self, int i) nogil:
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return self.safe_get(self.B(i))
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cdef inline const TokenC* L_(self, int i, int idx) nogil:
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return self.safe_get(self.L(i, idx))
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cdef inline const TokenC* R_(self, int i, int idx) nogil:
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return self.safe_get(self.R(i, idx))
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cdef inline const TokenC* safe_get(self, int i) nogil:
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if 0 >= i >= self.length:
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return &EMPTY_TOKEN
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else:
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return self._sent
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cdef int S(self, int i) nogil
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cdef int B(self, int i) nogil
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@ -64,6 +29,16 @@ cdef class StateClass:
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cdef int L(self, int i, int idx) nogil
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cdef int R(self, int i, int idx) nogil
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cdef const TokenC* S_(self, int i) nogil
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cdef const TokenC* B_(self, int i) nogil
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cdef const TokenC* H_(self, int i) nogil
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cdef const TokenC* L_(self, int i, int idx) nogil
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cdef const TokenC* R_(self, int i, int idx) nogil
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cdef const TokenC* safe_get(self, int i) nogil
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cdef bint empty(self) nogil
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cdef bint eol(self) nogil
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@ -72,6 +47,10 @@ cdef class StateClass:
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cdef bint has_head(self, int i) nogil
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cdef int n_L(self, int i) nogil
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cdef int n_R(self, int i) nogil
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cdef bint stack_is_connected(self) nogil
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cdef int stack_depth(self) nogil
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@ -1,24 +1,33 @@
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from libc.string cimport memcpy, memset
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from libc.stdint cimport uint32_t
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from .vocab cimport EMPTY_LEXEME
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memset(&EMPTY_TOKEN, 0, sizeof(TokenC))
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EMPTY_TOKEN.lex = &EMPTY_LEXEME
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from ..vocab cimport EMPTY_LEXEME
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cdef class StateClass:
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def __cinit__(self, int length):
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self.mem = Pool()
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self._stack = <int*>self.mem.alloc(sizeof(int), length)
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self._buffer = <int*>self.mem.alloc(sizeof(int), length)
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self._sent = <TokenC*>self.mem.alloc(sizeof(TokenC*), length)
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self.length = 0
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for i in range(self.length):
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def __init__(self, int length):
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cdef Pool mem = Pool()
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self._buffer = <int*>mem.alloc(length, sizeof(int))
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self._stack = <int*>mem.alloc(length, sizeof(int))
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self._sent = <TokenC*>mem.alloc(length, sizeof(TokenC))
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self.mem = mem
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self.length = length
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self._s_i = 0
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self._b_i = 0
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cdef int i
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for i in range(length):
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self._buffer[i] = i
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self._empty_token.lex = &EMPTY_LEXEME
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|
||||
cdef int from_struct(self, const State* state) except -1:
|
||||
self._s_i = state.stack_len
|
||||
self._b_i = state.i
|
||||
memcpy(self._sent, state.sent, sizeof(TokenC) * self.length)
|
||||
cdef int i
|
||||
for i in range(state.stack_len):
|
||||
self._stack[self._s_i - (i+1)] = state.stack[-i]
|
||||
|
||||
cdef int S(self, int i) nogil:
|
||||
if self._s_i - (i+1) < 0:
|
||||
if i >= self._s_i:
|
||||
return -1
|
||||
return self._stack[self._s_i - (i+1)]
|
||||
|
||||
|
|
@ -33,14 +42,71 @@ cdef class StateClass:
|
|||
return self._sent[i].head + i
|
||||
|
||||
cdef int L(self, int i, int idx) nogil:
|
||||
if 0 <= _popcount(self.safe_get(i).l_kids) <= idx:
|
||||
if idx < 1:
|
||||
return -1
|
||||
return _nth_significant_bit(self.safe_get(i).l_kids, idx)
|
||||
if i < 0 or i >= self.length:
|
||||
return -1
|
||||
cdef const TokenC* target = &self._sent[i]
|
||||
cdef const TokenC* ptr = self._sent
|
||||
|
||||
while ptr < target:
|
||||
# If this head is still to the right of us, we can skip to it
|
||||
# No token that's between this token and this head could be our
|
||||
# child.
|
||||
if (ptr.head >= 1) and (ptr + ptr.head) < target:
|
||||
ptr += ptr.head
|
||||
|
||||
elif ptr + ptr.head == target:
|
||||
idx -= 1
|
||||
if idx == 0:
|
||||
return ptr - self._sent
|
||||
ptr += 1
|
||||
else:
|
||||
ptr += 1
|
||||
return -1
|
||||
|
||||
cdef int R(self, int i, int idx) nogil:
|
||||
if 0 <= _popcount(self.safe_get(i).r_kids) <= idx:
|
||||
if idx < 1:
|
||||
return -1
|
||||
return _nth_significant_bit(self.safe_get(i).r_kids, idx)
|
||||
if i < 0 or i >= self.length:
|
||||
return -1
|
||||
cdef const TokenC* ptr = self._sent + (self.length - 1)
|
||||
cdef const TokenC* target = &self._sent[i]
|
||||
while ptr > target:
|
||||
# If this head is still to the right of us, we can skip to it
|
||||
# No token that's between this token and this head could be our
|
||||
# child.
|
||||
if (ptr.head < 0) and ((ptr + ptr.head) > target):
|
||||
ptr += ptr.head
|
||||
elif ptr + ptr.head == target:
|
||||
idx -= 1
|
||||
if idx == 0:
|
||||
return ptr - self._sent
|
||||
ptr -= 1
|
||||
else:
|
||||
ptr -= 1
|
||||
return -1
|
||||
|
||||
cdef const TokenC* S_(self, int i) nogil:
|
||||
return self.safe_get(self.S(i))
|
||||
|
||||
cdef const TokenC* B_(self, int i) nogil:
|
||||
return self.safe_get(self.B(i))
|
||||
|
||||
cdef const TokenC* H_(self, int i) nogil:
|
||||
return self.safe_get(self.B(i))
|
||||
|
||||
cdef const TokenC* L_(self, int i, int idx) nogil:
|
||||
return self.safe_get(self.L(i, idx))
|
||||
|
||||
cdef const TokenC* R_(self, int i, int idx) nogil:
|
||||
return self.safe_get(self.R(i, idx))
|
||||
|
||||
cdef const TokenC* safe_get(self, int i) nogil:
|
||||
if i < 0 or i >= self.length:
|
||||
return &self._empty_token
|
||||
else:
|
||||
return &self._sent[i]
|
||||
|
||||
cdef bint empty(self) nogil:
|
||||
return self._s_i <= 0
|
||||
|
|
@ -54,6 +120,12 @@ cdef class StateClass:
|
|||
cdef bint has_head(self, int i) nogil:
|
||||
return self.safe_get(i).head != 0
|
||||
|
||||
cdef int n_L(self, int i) nogil:
|
||||
return _popcount(self.safe_get(i).l_kids)
|
||||
|
||||
cdef int n_R(self, int i) nogil:
|
||||
return _popcount(self.safe_get(i).r_kids)
|
||||
|
||||
cdef bint stack_is_connected(self) nogil:
|
||||
return False
|
||||
|
||||
|
|
|
|||
|
|
@ -51,10 +51,3 @@ cdef class TransitionSystem:
|
|||
|
||||
cdef Transition best_gold(self, const weight_t* scores, const State* state,
|
||||
GoldParse gold) except *
|
||||
|
||||
|
||||
#cdef class PyState:
|
||||
# """Provide a Python class for testing purposes."""
|
||||
# cdef Pool mem
|
||||
# cdef TransitionSystem system
|
||||
# cdef State* _state
|
||||
|
|
|
|||
|
|
@ -3,6 +3,8 @@ from ._state cimport State
|
|||
from ..structs cimport TokenC
|
||||
from thinc.typedefs cimport weight_t
|
||||
|
||||
from .stateclass cimport StateClass
|
||||
|
||||
|
||||
cdef weight_t MIN_SCORE = -90000
|
||||
|
||||
|
|
@ -55,6 +57,8 @@ cdef class TransitionSystem:
|
|||
|
||||
cdef Transition best_gold(self, const weight_t* scores, const State* s,
|
||||
GoldParse gold) except *:
|
||||
cdef StateClass stcls = StateClass(s.sent_len)
|
||||
stcls.from_struct(s)
|
||||
cdef Transition best
|
||||
cdef weight_t score = MIN_SCORE
|
||||
cdef int i
|
||||
|
|
@ -65,39 +69,3 @@ cdef class TransitionSystem:
|
|||
score = scores[i]
|
||||
assert score > MIN_SCORE
|
||||
return best
|
||||
|
||||
|
||||
#cdef class PyState:
|
||||
# """Provide a Python class for testing purposes."""
|
||||
# def __init__(self, GoldParse gold):
|
||||
# self.mem = Pool()
|
||||
# self.system = EntityRecognition(labels)
|
||||
# self._state = init_state(self.mem, tokens, gold.length)
|
||||
#
|
||||
# def transition(self, name):
|
||||
# cdef const Transition* trans = self._transition_by_name(name)
|
||||
# trans.do(trans, self._state)
|
||||
#
|
||||
# def is_valid(self, name):
|
||||
# cdef const Transition* trans = self._transition_by_name(name)
|
||||
# return _is_valid(trans.move, trans.label, self._state)
|
||||
#
|
||||
# def is_gold(self, name):
|
||||
# cdef const Transition* trans = self._transition_by_name(name)
|
||||
# return _get_const(trans, self._state, self._gold)
|
||||
#
|
||||
# property ent:
|
||||
# def __get__(self):
|
||||
# pass
|
||||
#
|
||||
# property n_ents:
|
||||
# def __get__(self):
|
||||
# pass
|
||||
#
|
||||
# property i:
|
||||
# def __get__(self):
|
||||
# pass
|
||||
#
|
||||
# property open_entity:
|
||||
# def __get__(self):
|
||||
# return entity_is_open(self._s)
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user