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[ruamoko] Allocate selectors in large blocks

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The zone memory block header is 64 bytes, so allocating a single 8 byte
selector is rather wasteful. Instead, allocate selectors in large chunks
(currently 64) and divvy them out as needed. Significantly reduces
memory pressure in large Ruamoko progs.
This commit is contained in:
Bill Currie 2022-02-12 01:52:35 +09:00
parent 2f117dd12e
commit 1d26c727a3
1 changed files with 15 additions and 2 deletions
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17
libs/ruamoko/rua_obj.c
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@ -91,6 +91,9 @@
} \
}
// number of selectors to allocate at once (to minimize memory waste)
#define SELECTOR_BLOCK 64
typedef struct obj_list_s {
struct obj_list_s *next;
void *data;
@ -107,6 +110,8 @@ typedef struct probj_resources_s {
progs_t *pr;
unsigned selector_index;
unsigned selector_index_max;
pr_sel_t *selector_block;
int available_selectors;
obj_list **selector_sels;
pr_string_t *selector_names;
pr_int_t *selector_argc;
@ -567,8 +572,14 @@ sel_register_typed_name (probj_t *probj, const char *name, const char *types,
index = add_sel_name (probj, name);
is_new = 1;
}
if (!sel)
sel = PR_Zone_Malloc (pr, sizeof (pr_sel_t));
if (!sel) {
if (!probj->available_selectors) {
probj->available_selectors = SELECTOR_BLOCK;
sel = PR_Zone_Malloc (pr, SELECTOR_BLOCK*sizeof (pr_sel_t));
probj->selector_block = sel;
}
sel = &probj->selector_block[--probj->available_selectors];
}
sel->sel_id = index;
sel->sel_types = PR_SetString (pr, types);
@ -2265,6 +2276,8 @@ rua_obj_cleanup (progs_t *pr, void *data)
Hash_FlushTable (probj->selector_hash);
probj->selector_index = 0;
probj->available_selectors = 0;
probj->selector_block = 0;
for (i = 0; i < probj->selector_index_max; i++) {
obj_list_free (probj->selector_sels[i]);
probj->selector_sels[i] = 0;