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Added gc_heap_type and HEAP_HUGE

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Justin Ethier 2016-07-06 20:30:23 -04:00
parent ef25448c63
commit 54f217fd4b
2 changed files with 12 additions and 2 deletions
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1
gc.c
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@ -184,6 +184,7 @@ gc_heap *gc_heap_create(int heap_type, size_t size, size_t max_size,
h = malloc(padded_size); // TODO: mmap? h = malloc(padded_size); // TODO: mmap?
if (!h) if (!h)
return NULL; return NULL;
h->type = heap_type;
h->size = size; h->size = size;
//h->free_size = size; //h->free_size = size;
cached_heap_total_sizes[heap_type] += size; cached_heap_total_sizes[heap_type] += size;

13
include/cyclone/types.h
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@ -142,8 +142,16 @@ struct gc_thread_data_t {
/* GC data structures */ /* GC data structures */
typedef enum { HEAP_SM = 0, HEAP_MED, HEAP_REST /**
} cached_heap_type; * Group heap pages by type, to attempt to limit fragmentation
* and improve performance.
*/
typedef enum {
HEAP_SM = 0 // 32 byte objects (min gc_heap_align)
, HEAP_MED // 64 byte objects (twice the min)
, HEAP_HUGE // Huge objects, 1 per page
, HEAP_REST // Everything else
} gc_heap_type;
typedef struct gc_free_list_t gc_free_list; typedef struct gc_free_list_t gc_free_list;
struct gc_free_list_t { struct gc_free_list_t {
@ -153,6 +161,7 @@ struct gc_free_list_t {
typedef struct gc_heap_t gc_heap; typedef struct gc_heap_t gc_heap;
struct gc_heap_t { struct gc_heap_t {
gc_heap_type type;
unsigned int size; unsigned int size;
unsigned int chunk_size; // 0 for any size, other and heap will only alloc chunks of that size unsigned int chunk_size; // 0 for any size, other and heap will only alloc chunks of that size
unsigned int max_size; unsigned int max_size;