Cyc_make_shared_object cyc_thread_state_type DEBUG_SHOW_DIAG gc_add_mutator gc_add_new_unrunning_mutator gc_alloc gc_alloc_bignum gc_alloc_rest gc_allocated_bytes GC_COLLECT_UNDER_UNSWEPT_HEAP_COUNT GC_COLLECTION_THRESHOLD gc_collector_trace gc_color_blue gc_color_red gc_copy_obj GC_DEBUG_SHOW_SWEEP_DIAG GC_DEBUG_TRACE GC_DEBUG_VERBOSE gc_empty_collector_stack gc_free_list GC_FREE_THRESHOLD gc_grow_heap gc_handshake gc_header_type gc_heap gc_heap_create gc_heap_create_rest gc_heap_free gc_heap_last gc_heap_merge gc_heap_root gc_heap_type gc_init_fixed_size_free_list gc_init_heap gc_initialize gc_is_mutator_active gc_is_mutator_new gc_is_stack_obj gc_mark_globals gc_mark_gray gc_mark_gray2 gc_merge_all_heaps gc_mut_cooperate gc_mut_update gc_mutator_thread_blocked gc_mutator_thread_runnable gc_post_handshake gc_print_stats gc_remove_mutator gc_request_mark_globals GC_SAFETY_CHECKS gc_sleep_ms gc_stage_type gc_start_collector gc_status_type gc_sweep gc_thr_grow_move_buffer gc_thread_data gc_thread_data_free gc_thread_data_init gc_try_alloc gc_try_alloc_rest gc_try_alloc_slow gc_wait_handshake grayed GROW_HEAP_BY_SIZE HEAP_SIZE immutable INITIAL_HEAP_SIZE LAST_FIXED_SIZE_HEAP_TYPE mark mark_buffer MAX_STACK_TRACES NANOSECONDS_PER_MILLISECOND NUM_HEAP_TYPES return_thread_runnable return_thread_runnable_with_obj set_thread_blocked

gc_heap_type enum gc_heap_type Group heap pages by type, to attempt to limit fragmentation and improve performance. TODO: starting to run into problems when adding additional "sizes" of heap page, possibly due to increasing amounts of page faults due to non-locality??? Basically for X86_64 everything works great when a 96 byte heap is added, but slows way down when additional heaps (128, 160) are also added. 32 bit x86 is starting to have trouble with just a 96 byte heap added. In the future, a better solution might be to allocate arrays (closureN's, vectors, bytevectors, and strings) as fixed-size chunks to prevent heap fragmentation. The advantage is then we have no fragmentation directly. But, an array will no longer be contiguous so they may cause other problems, and the runtime has to change to work with non-contiguous arrays. This would also cause a lot of problems for strings since the built-in functions would no longer work (EG: strlen, etc). Enumerator HEAP_SM  HEAP_64  HEAP_96  HEAP_REST  HEAP_HUGE