diff options
| author | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-05-15 09:43:18 +0000 |
|---|---|---|
| committer | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-05-15 09:43:18 +0000 |
| commit | 28a180ed2f94acc2bd08fb3943329a68f83efeec (patch) | |
| tree | 02efd4ee3f98395c2756d324e419cb9ec8459cb7 /gc.c | |
| parent | 3343feeebf5f3f7f3219eadab1d93e11b5ba9f6a (diff) | |
* gc.c: introduce macros to remove magic number.
GC_HEAP_FREE_SLOTS_MIN_RATIO = 0.3: guarantee minimum empty slots
ratio after sweep.
GC_HEAP_FREE_SLOTS_MAX_RATIO = 0.8: allow to free pages 0.2 (= 1-0.8)
of current existing slots.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45948 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'gc.c')
| -rw-r--r-- | gc.c | 11 |
1 files changed, 9 insertions, 2 deletions
@@ -116,6 +116,13 @@ rb_gc_guarded_ptr_val(volatile VALUE *ptr, VALUE val) #define GC_HEAP_OLDOBJECT_LIMIT_FACTOR 2.0 #endif +#ifndef GC_HEAP_FREE_SLOTS_MIN_RATIO +#define GC_HEAP_FREE_SLOTS_MIN_RATIO 0.3 +#endif +#ifndef GC_HEAP_FREE_SLOTS_MAX_RATIO +#define GC_HEAP_FREE_SLOTS_MAX_RATIO 0.8 +#endif + #ifndef GC_MALLOC_LIMIT_MIN #define GC_MALLOC_LIMIT_MIN (16 * 1024 * 1024 /* 16MB */) #endif @@ -2902,11 +2909,11 @@ gc_before_sweep(rb_objspace_t *objspace) heap_pages_swept_slots = 0; total_limit_slot = objspace_total_slot(objspace); - heap_pages_min_free_slots = (size_t)(total_limit_slot * 0.30); + heap_pages_min_free_slots = (size_t)(total_limit_slot * GC_HEAP_FREE_SLOTS_MIN_RATIO); if (heap_pages_min_free_slots < gc_params.heap_free_slots) { heap_pages_min_free_slots = gc_params.heap_free_slots; } - heap_pages_max_free_slots = (size_t)(total_limit_slot * 0.80); + heap_pages_max_free_slots = (size_t)(total_limit_slot * GC_HEAP_FREE_SLOTS_MAX_RATIO); if (heap_pages_max_free_slots < gc_params.heap_init_slots) { heap_pages_max_free_slots = gc_params.heap_init_slots; } |