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Tweaking GC parameters, but not done yet

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Justin Ethier 2016-03-02 23:02:17 -05:00
parent 6376a0eb2c
commit 758bb25ba9
2 changed files with 7 additions and 7 deletions
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8
gc.c
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@ -864,9 +864,9 @@ void gc_mut_cooperate(gc_thread_data *thd, int buf_len)
// Threshold is intentially low because we have to go through an
// entire handshake/trace/sweep cycle, ideally without growing heap.
if (ck_pr_load_int(&gc_stage) == STAGE_RESTING &&
(cached_heap_free_size < (cached_heap_total_size * 0.50))){
(cached_heap_free_size < (cached_heap_total_size * 0.10))){
#if GC_DEBUG_TRACE
fprintf(stdout, "Less than 50%% of the heap is free, initiating collector\n");
fprintf(stdout, "Less than 10%% of the heap is free, initiating collector\n");
#endif
ck_pr_cas_int(&gc_stage, STAGE_RESTING, STAGE_CLEAR_OR_MARKING);
@ -1164,7 +1164,7 @@ void gc_collector()
int old_clear, old_mark;
size_t freed = 0, max_freed = 0, total_size, total_free;
#if GC_DEBUG_TRACE
time_t sweep_start = time(NULL);
time_t gc_collector_start = time(NULL);
#endif
//clear :
ck_pr_cas_int(&gc_stage, STAGE_RESTING, STAGE_CLEAR_OR_MARKING);
@ -1218,7 +1218,7 @@ fprintf(stderr, "DEBUG - after wait_handshake async\n");
#if GC_DEBUG_TRACE
fprintf(stderr, "sweep done, total_size = %zu, total_free = %d, freed = %d, max_freed = %d, elapsed = %ld\n",
total_size, total_free,
freed, max_freed, time(NULL) - sweep_start);
freed, max_freed, time(NULL) - gc_collector_start);
#endif
#if GC_DEBUG_TRACE
fprintf(stderr, "cleaning up any old thread data\n");

6
include/cyclone/types.h
View file

@ -26,16 +26,16 @@
// Size of the stack buffer, in bytes.
// This is used as the first generation of the GC.
#define STACK_SIZE 250000
#define STACK_SIZE 500000
// Size of a "page" on the heap (the second generation), in bytes.
#define HEAP_SIZE 6000000
#define HEAP_SIZE (10 * 1024 * 1024)
// Number of functions to save for printing call history
#define MAX_STACK_TRACES 10
// GC debugging flags
#define GC_DEBUG_TRACE 0
#define GC_DEBUG_TRACE 1
#define GC_DEBUG_VERBOSE 0
/* Additional runtime checking of the GC system.