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Added another size heap (96 bytes)

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Justin Ethier 2016-08-01 18:48:58 -04:00
parent ffb5b36869
commit 918e78cb21
3 changed files with 52 additions and 38 deletions
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60
gc.c
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@ -59,8 +59,8 @@ static int mark_stack_i = 0;
static pthread_mutex_t heap_lock;
// Cached heap statistics
static int cached_heap_free_sizes[4] = { 0, 0, 0, 0 };
static int cached_heap_total_sizes[4] = { 0, 0, 0, 0 };
static int cached_heap_free_sizes[7] = { 0, 0, 0, 0, 0, 0, 0 };
static int cached_heap_total_sizes[7] = { 0, 0, 0, 0, 0, 0, 0 };
// Data for each individual mutator thread
ck_array_t Cyc_mutators, old_mutators;
@ -569,18 +569,21 @@ void *gc_alloc(gc_heap_root * hrt, size_t size, char *obj, gc_thread_data * thd,
// then try realloc. if cannot alloc now, then throw out of memory error
size = gc_heap_align(size);
if (size <= 32) {
h = hrt->small_obj_heap;
heap_type = HEAP_SM;
} else if (size <= 64) {
h = hrt->medium_obj_heap;
heap_type = HEAP_MED;
heap_type = HEAP_64;
} else if (size <= 96) {
heap_type = HEAP_96;
// } else if (size <= 128) {
// heap_type = HEAP_128;
// } else if (size <= 160) {
// heap_type = HEAP_160;
} else if (size >= MAX_STACK_OBJ) {
h = hrt->huge_obj_heap;
heap_type = HEAP_HUGE;
} else {
h = hrt->heap;
heap_type = HEAP_REST;
}
h = hrt->heap[heap_type];
#if GC_DEBUG_TRACE
allocated_heap_counts[heap_type]++;
#endif
@ -1050,8 +1053,14 @@ void gc_mut_cooperate(gc_thread_data * thd, int buf_len)
if (ck_pr_load_int(&gc_stage) == STAGE_RESTING &&
((cached_heap_free_sizes[HEAP_SM] <
cached_heap_total_sizes[HEAP_SM] * GC_COLLECTION_THRESHOLD) ||
(cached_heap_free_sizes[HEAP_MED] <
cached_heap_total_sizes[HEAP_MED] * GC_COLLECTION_THRESHOLD) ||
(cached_heap_free_sizes[HEAP_64] <
cached_heap_total_sizes[HEAP_64] * GC_COLLECTION_THRESHOLD) ||
(cached_heap_free_sizes[HEAP_96] <
cached_heap_total_sizes[HEAP_96] * GC_COLLECTION_THRESHOLD) ||
// (cached_heap_free_sizes[HEAP_128] <
// cached_heap_total_sizes[HEAP_128] * GC_COLLECTION_THRESHOLD) ||
// (cached_heap_free_sizes[HEAP_160] <
// cached_heap_total_sizes[HEAP_160] * GC_COLLECTION_THRESHOLD) ||
(cached_heap_free_sizes[HEAP_REST] <
cached_heap_total_sizes[HEAP_REST] * GC_COLLECTION_THRESHOLD))) {
#if GC_DEBUG_TRACE
@ -1392,14 +1401,11 @@ void gc_collector()
ck_pr_cas_int(&gc_stage, STAGE_TRACING, STAGE_SWEEPING);
//
//sweep :
gc_sweep(gc_get_heap()->heap, HEAP_REST, &freed_tmp);
freed += freed_tmp;
gc_sweep(gc_get_heap()->small_obj_heap, HEAP_SM, &freed_tmp);
freed += freed_tmp;
gc_sweep(gc_get_heap()->medium_obj_heap, HEAP_MED, &freed_tmp);
freed += freed_tmp;
gc_sweep(gc_get_heap()->huge_obj_heap, HEAP_HUGE, &freed_tmp);
freed += freed_tmp;
for (heap_type = 0; heap_type < NUM_HEAP_TYPES; heap_type++) {
gc_sweep(gc_get_heap()->heap[heap_type], heap_type, &freed_tmp);
freed += freed_tmp;
}
// TODO: this loop only includes smallest 2 heaps, is that sufficient??
for (heap_type = 0; heap_type < 2; heap_type++) {
@ -1410,19 +1416,27 @@ void gc_collector()
100.0 * GC_FREE_THRESHOLD, heap_type);
#endif
if (heap_type == HEAP_SM) {
gc_grow_heap(gc_get_heap()->small_obj_heap, heap_type, 0, 0);
} else if (heap_type == HEAP_MED) {
gc_grow_heap(gc_get_heap()->medium_obj_heap, heap_type, 0, 0);
gc_grow_heap(gc_get_heap()->heap[heap_type], heap_type, 0, 0);
} else if (heap_type == HEAP_64) {
gc_grow_heap(gc_get_heap()->heap[heap_type], heap_type, 0, 0);
} else if (heap_type == HEAP_REST) {
gc_grow_heap(gc_get_heap()->heap, heap_type, 0, 0);
gc_grow_heap(gc_get_heap()->heap[heap_type], heap_type, 0, 0);
}
}
}
#if GC_DEBUG_TRACE
total_size = cached_heap_total_sizes[HEAP_SM] +
cached_heap_total_sizes[HEAP_MED] + cached_heap_total_sizes[HEAP_REST];
cached_heap_total_sizes[HEAP_64] +
cached_heap_total_sizes[HEAP_96] +
// cached_heap_total_sizes[HEAP_128] +
// cached_heap_total_sizes[HEAP_160] +
cached_heap_total_sizes[HEAP_REST];
total_free = cached_heap_free_sizes[HEAP_SM] +
cached_heap_free_sizes[HEAP_MED] + cached_heap_free_sizes[HEAP_REST];
cached_heap_free_sizes[HEAP_64] +
cached_heap_free_sizes[HEAP_96] +
// cached_heap_free_sizes[HEAP_128] +
// cached_heap_free_sizes[HEAP_160] +
cached_heap_free_sizes[HEAP_REST];
fprintf(stderr,
"sweep done, total_size = %zu, total_free = %zu, freed = %zu, elapsed = %ld\n",
total_size, total_free, freed,

18
include/cyclone/types.h
View file

@ -156,17 +156,16 @@ struct gc_thread_data_t {
*/
typedef enum {
HEAP_SM = 0 // 32 byte objects (min gc_heap_align)
, HEAP_MED // 64 byte objects (twice the min)
// TODO: branch to car4-dev first!
// TODO: replace above with:
//, HEAP_64
//, HEAP_92
//, HEAP_128
//, HEAP_160
, HEAP_64
, HEAP_96
// , HEAP_128
// , HEAP_160
, HEAP_REST // Everything else
, HEAP_HUGE // Huge objects, 1 per page
} gc_heap_type;
#define NUM_HEAP_TYPES (HEAP_HUGE + 1)
typedef struct gc_free_list_t gc_free_list;
struct gc_free_list_t {
unsigned int size;
@ -188,10 +187,7 @@ struct gc_heap_t {
typedef struct gc_heap_root_t gc_heap_root;
struct gc_heap_root_t {
gc_heap *small_obj_heap;
gc_heap *medium_obj_heap;
gc_heap *huge_obj_heap;
gc_heap *heap;
gc_heap **heap;
};
typedef struct gc_header_type_t gc_header_type;

12
runtime.c
View file

@ -210,10 +210,14 @@ void gc_init_heap(long heap_size)
{
size_t initial_heap_size = INITIAL_HEAP_SIZE;
Cyc_heap = malloc(sizeof(gc_heap_root));
Cyc_heap->heap = gc_heap_create(HEAP_REST, initial_heap_size, 0, 0);
Cyc_heap->small_obj_heap = gc_heap_create(HEAP_SM, initial_heap_size, 0, 0);
Cyc_heap->medium_obj_heap = gc_heap_create(HEAP_MED, initial_heap_size, 0, 0);
Cyc_heap->huge_obj_heap = gc_heap_create(HEAP_HUGE, 1024, 0, 0);
Cyc_heap->heap = malloc(sizeof(gc_heap *) * NUM_HEAP_TYPES);
Cyc_heap->heap[HEAP_REST] = gc_heap_create(HEAP_REST, initial_heap_size, 0, 0);
Cyc_heap->heap[HEAP_SM] = gc_heap_create(HEAP_SM, initial_heap_size, 0, 0);
Cyc_heap->heap[HEAP_64] = gc_heap_create(HEAP_64, initial_heap_size, 0, 0);
Cyc_heap->heap[HEAP_96] = gc_heap_create(HEAP_96, initial_heap_size, 0, 0);
// Cyc_heap->heap[HEAP_128] = gc_heap_create(HEAP_128, initial_heap_size, 0, 0);
// Cyc_heap->heap[HEAP_160] = gc_heap_create(HEAP_160, initial_heap_size, 0, 0);
Cyc_heap->heap[HEAP_HUGE] = gc_heap_create(HEAP_HUGE, 1024, 0, 0);
if (!ck_hs_init(&symbol_table,
CK_HS_MODE_OBJECT | CK_HS_MODE_SPMC,