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a small optimization in the PGF parser which gives me ~5% speed up

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kr.angelov
2014-12-01 10:48:15 +00:00
parent 14a2821fd8
commit 960ba43149
1 changed files with 35 additions and 31 deletions
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66
src/runtime/c/pgf/parser.c
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@@ -593,19 +593,10 @@ cmp_item_production_idx_entry(GuOrder* self, const void* a, const void* b)
static GuOrder
pgf_production_idx_entry_order[1] = { { cmp_item_production_idx_entry } };
static PgfItemContss*
static inline PgfItemContss*
pgf_parsing_get_contss(PgfParseState* state, PgfCCat* cat, GuPool *pool)
{
PgfItemContss* contss = gu_map_get(state->conts_map, cat, PgfItemContss*);
if (contss == NULL) {
size_t n_lins = cat->cnccat->n_lins;
contss = gu_new_seq(PgfItemConts*, n_lins, pool);
for (size_t i = 0; i < n_lins; i++) {
gu_seq_set(contss, PgfItemConts*, i, NULL);
}
gu_map_put(state->conts_map, cat, PgfItemContss*, contss);
}
return contss;
return gu_map_get(state->conts_map, cat, PgfItemContss*);
}
static PgfItemConts*
@@ -616,6 +607,15 @@ pgf_parsing_get_conts(PgfParseState* state,
gu_require(lin_idx < ccat->cnccat->n_lins);
PgfItemContss* contss =
pgf_parsing_get_contss(state, ccat, pool);
if (contss == NULL) {
size_t n_lins = cat->cnccat->n_lins;
contss = gu_new_seq(PgfItemConts*, n_lins, pool);
for (size_t i = 0; i < n_lins; i++) {
gu_seq_set(contss, PgfItemConts*, i, NULL);
}
gu_map_put(state->conts_map, cat, PgfItemContss*, contss);
}
PgfItemConts* conts = gu_seq_get(contss, PgfItemConts*, lin_idx);
if (!conts) {
conts = gu_new(PgfItemConts, pool);
@@ -1048,25 +1048,7 @@ pgf_parsing_complete(PgfParsing* ps, PgfItem* item, PgfExprProb *ep)
if (tmp_ccat != NULL) {
PgfItemContss* contss =
pgf_parsing_get_contss(ps->before, ccat, ps->pool);
size_t n_contss = gu_seq_length(contss);
for (size_t i = 0; i < n_contss; i++) {
PgfItemConts* conts2 = gu_seq_get(contss, PgfItemConts*, i);
/* If there are continuations for
* linearization index i, then (cat, i) has
* already been predicted. Add the new
* production immediately to the agenda,
* i.e. process it. */
if (conts2) {
pgf_parsing_production(ps, ps->before, conts2, prod);
}
}
// The category has already been created. If it has also been
// predicted already, then process a new item for this production.
PgfParseState* state = ps->after;
while (state != NULL) {
PgfItemContss* contss =
pgf_parsing_get_contss(state, ccat, ps->pool);
if (contss != NULL) {
size_t n_contss = gu_seq_length(contss);
for (size_t i = 0; i < n_contss; i++) {
PgfItemConts* conts2 = gu_seq_get(contss, PgfItemConts*, i);
@@ -1076,7 +1058,29 @@ pgf_parsing_complete(PgfParsing* ps, PgfItem* item, PgfExprProb *ep)
* production immediately to the agenda,
* i.e. process it. */
if (conts2) {
pgf_parsing_production(ps, state, conts2, prod);
pgf_parsing_production(ps, ps->before, conts2, prod);
}
}
}
// The category has already been created. If it has also been
// predicted already, then process a new item for this production.
PgfParseState* state = ps->after;
while (state != NULL) {
PgfItemContss* contss =
pgf_parsing_get_contss(state, ccat, ps->pool);
if (contss != NULL) {
size_t n_contss = gu_seq_length(contss);
for (size_t i = 0; i < n_contss; i++) {
PgfItemConts* conts2 = gu_seq_get(contss, PgfItemConts*, i);
/* If there are continuations for
* linearization index i, then (cat, i) has
* already been predicted. Add the new
* production immediately to the agenda,
* i.e. process it. */
if (conts2) {
pgf_parsing_production(ps, state, conts2, prod);
}
}
}