From 758bb25ba9dde5c96221b0394adaf8f5804234ac Mon Sep 17 00:00:00 2001
From: Justin Ethier <justin.ethier@gmail.com>
Date: Wed, 2 Mar 2016 23:02:17 -0500
Subject: [PATCH] Tweaking GC parameters, but not done yet

---
 gc.c                    | 8 ++++----
 include/cyclone/types.h | 6 +++---
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/gc.c b/gc.c
index 9264a54b..242c73d6 100644
--- a/gc.c
+++ b/gc.c
@@ -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");
diff --git a/include/cyclone/types.h b/include/cyclone/types.h
index e1409c90..f22450eb 100644
--- a/include/cyclone/types.h
+++ b/include/cyclone/types.h
@@ -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.