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Grow heap more slowly

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Justin Ethier 2016-04-12 22:17:32 -04:00
parent 71d085091d
commit 1578127410
2 changed files with 26 additions and 24 deletions
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42
gc.c
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@ -385,26 +385,28 @@ int gc_grow_heap(gc_heap *h, int heap_type, size_t size, size_t chunk_size)
// but with boyer benchmarks there is more thrashing with this method, // but with boyer benchmarks there is more thrashing with this method,
// so for now it is not used. If it is used again, the initial heaps will // so for now it is not used. If it is used again, the initial heaps will
// need to start at a lower size (EG 1 MB). // need to start at a lower size (EG 1 MB).
// { {
// size_t prev_size = 0; size_t prev_size = 0 * 1024 * 1024;
// new_size = 0; new_size = 0;
// h_last = h; h_last = h;
// while (h_last->next) { while (h_last->next) {
// if (new_size < HEAP_SIZE){ if (new_size < HEAP_SIZE){
// new_size = prev_size + h_last->size; new_size = prev_size + h_last->size;
// prev_size = h_last->size; prev_size = h_last->size;
// } else { } else {
// new_size = HEAP_SIZE; new_size = HEAP_SIZE;
// } }
// h_last = h_last->next; h_last = h_last->next;
// } }
// if (new_size == 0) if (new_size == 0)
// new_size = h_last->size; new_size = prev_size + h_last->size;
// //fprintf(stderr, "Growing heap new page size = %zu\n", new_size); //#if GC_DEBUG_TRACE
// } fprintf(stderr, "Growing heap %d new page size = %zu\n", heap_type, new_size);
h_last = gc_heap_last(h); //#endif
cur_size = h_last->size; }
new_size = cur_size; //gc_heap_align(((cur_size > size) ? cur_size : size) * 2); // h_last = gc_heap_last(h);
// cur_size = h_last->size;
// new_size = cur_size; //gc_heap_align(((cur_size > size) ? cur_size : size) * 2);
// allocate larger pages if size will not fit on the page // allocate larger pages if size will not fit on the page
//new_size = gc_heap_align(((cur_size > size) ? cur_size : size)); //new_size = gc_heap_align(((cur_size > size) ? cur_size : size));
// Done with computing new page size // Done with computing new page size

8
runtime.c
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@ -164,11 +164,11 @@ static bool set_insert(ck_hs_t *hs, const void *value)
void gc_init_heap(long heap_size) void gc_init_heap(long heap_size)
{ {
size_t initial_heap_size = 1 * 1024 * 1024;
Cyc_heap = malloc(sizeof(gc_heap_root)); Cyc_heap = malloc(sizeof(gc_heap_root));
Cyc_heap->heap = gc_heap_create(HEAP_REST, heap_size, 0, 0); Cyc_heap->heap = gc_heap_create(HEAP_REST, initial_heap_size, 0, 0);
Cyc_heap->small_obj_heap = gc_heap_create(HEAP_SM, 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, heap_size, 0, 0); Cyc_heap->medium_obj_heap = gc_heap_create(HEAP_MED, initial_heap_size, 0, 0);
if (!ck_hs_init(&symbol_table, if (!ck_hs_init(&symbol_table,
CK_HS_MODE_OBJECT | CK_HS_MODE_SPMC, CK_HS_MODE_OBJECT | CK_HS_MODE_SPMC,