68 lines
1.3 KiB
C++
Executable File
68 lines
1.3 KiB
C++
Executable File
namespace factor
|
|
{
|
|
|
|
/* statistics */
|
|
struct generation_statistics {
|
|
cell collections;
|
|
u64 gc_time;
|
|
u64 max_gc_time;
|
|
cell object_count;
|
|
u64 bytes_copied;
|
|
};
|
|
|
|
struct gc_statistics {
|
|
generation_statistics generations[gen_count];
|
|
u64 cards_scanned;
|
|
u64 decks_scanned;
|
|
u64 card_scan_time;
|
|
u64 code_blocks_scanned;
|
|
};
|
|
|
|
struct gc_state {
|
|
/* The data heap we're collecting */
|
|
data_heap *data;
|
|
|
|
/* sometimes we grow the heap */
|
|
bool growing_data_heap;
|
|
|
|
/* Which generation is being collected */
|
|
cell collecting_gen;
|
|
|
|
/* If true, we are collecting aging space for the second time, so if it is still
|
|
full, we go on to collect tenured */
|
|
bool collecting_aging_again;
|
|
|
|
/* GC start time, for benchmarking */
|
|
u64 start_time;
|
|
|
|
jmp_buf gc_unwind;
|
|
|
|
explicit gc_state(data_heap *data_, bool growing_data_heap_, cell collecting_gen_);
|
|
~gc_state();
|
|
|
|
inline bool collecting_nursery_p()
|
|
{
|
|
return collecting_gen == nursery_gen;
|
|
}
|
|
|
|
inline bool collecting_aging_p()
|
|
{
|
|
return collecting_gen == aging_gen;
|
|
}
|
|
|
|
inline bool collecting_tenured_p()
|
|
{
|
|
return collecting_gen == tenured_gen;
|
|
}
|
|
|
|
inline bool collecting_accumulation_gen_p()
|
|
{
|
|
return ((collecting_aging_p() && !collecting_aging_again)
|
|
|| collecting_tenured_p());
|
|
}
|
|
};
|
|
|
|
VM_C_API void inline_gc(cell *gc_roots_base, cell gc_roots_size, factor_vm *myvm);
|
|
|
|
}
|