Feature #2837 ยป grow_factor.patch
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#define HEAP_MIN_SLOTS 10000
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#define FREE_MIN 4096
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#define HEAP_GROW_FACTOR 1.8
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static float HEAP_GROW_FACTOR_VAL = HEAP_GROW_FACTOR;
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struct gc_list {
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VALUE *varptr;
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struct gc_list *next;
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| ... | ... | |
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static void
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set_heaps_increment(rb_objspace_t *objspace)
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{
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size_t next_heaps_length = (size_t)(heaps_used * 1.8);
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size_t next_heaps_length = (size_t)(heaps_used * HEAP_GROW_FACTOR_VAL);
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if (next_heaps_length == heaps_used) {
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next_heaps_length++;
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| ... | ... | |
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return UINT2NUM((&rb_objspace)->count);
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}
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/*
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* call-seq:
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* GC.heap_growth_factor -> Float
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*
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* The rate by which we increase the size of each subsequently allocated heap.
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*
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* It returns the rate by which we increase the size of each subsequently allocated heap.
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*/
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static VALUE
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gc_heap_growth_factor_get(VALUE self)
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{
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return rb_float_new(HEAP_GROW_FACTOR_VAL);
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}
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/*
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*
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* call-seq:
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* GC.heap_growth_factor = Float -> Float
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*
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* Updates the minimum number of slots in each heap slab.
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*
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* It returns the new number of slots to allocate for each heap slab.
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*/
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static VALUE
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gc_heap_growth_factor_set(VALUE self, VALUE new_factor)
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{
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HEAP_GROW_FACTOR_VAL = RFLOAT_VALUE(new_factor);
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return new_factor;
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}
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#if CALC_EXACT_MALLOC_SIZE
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/*
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* call-seq:
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| ... | ... | |
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rb_define_singleton_method(rb_mGC, "stress", gc_stress_get, 0);
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rb_define_singleton_method(rb_mGC, "stress=", gc_stress_set, 1);
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rb_define_singleton_method(rb_mGC, "count", gc_count, 0);
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rb_define_singleton_method(rb_mGC, "heap_growth_factor", gc_heap_growth_factor_get, 0);
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rb_define_singleton_method(rb_mGC, "heap_growth_factor=", gc_heap_growth_factor_set, 1);
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rb_define_method(rb_mGC, "garbage_collect", rb_gc_start, 0);
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rb_mProfiler = rb_define_module_under(rb_mGC, "Profiler");
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