From: jzhou <jzhou>
Date: Fri, 8 Apr 2011 03:42:44 +0000 (+0000)
Subject: Enable 1,2,4,8,16,32,50 cores' execution
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d75f893fab9cfaeae1128e5eaa4568fefdb878ee;p=IRC.git

Enable 1,2,4,8,16,32,50 cores' execution
---

diff --git a/Robust/src/ClassLibrary/MGC/System.java b/Robust/src/ClassLibrary/MGC/System.java
index c3a54860..32b69437 100644
--- a/Robust/src/ClassLibrary/MGC/System.java
+++ b/Robust/src/ClassLibrary/MGC/System.java
@@ -10,6 +10,10 @@ public class System {
     String s=String.valueOf(x);
     printString(s);
   }
+  
+  public static native void setgcprofileflag();
+  
+  public static native void resetgcprofileflag();
 
   public static native long currentTimeMillis();
   
diff --git a/Robust/src/IR/Flat/BuildCode.java b/Robust/src/IR/Flat/BuildCode.java
index e76004e2..43b35135 100644
--- a/Robust/src/IR/Flat/BuildCode.java
+++ b/Robust/src/IR/Flat/BuildCode.java
@@ -483,7 +483,9 @@ public class BuildCode {
 
     // always include: compiler directives will leave out
     // instrumentation when option is not set
+	if(!state.MULTICORE) {
     outmethod.println("#include \"coreprof/coreprof.h\"");
+	}
 
     if (state.FASTCHECK) {
       outmethod.println("#include \"localobjects.h\"");
diff --git a/Robust/src/Runtime/bamboo/multicoregarbage.c b/Robust/src/Runtime/bamboo/multicoregarbage.c
index 1f34fd78..f801219b 100644
--- a/Robust/src/Runtime/bamboo/multicoregarbage.c
+++ b/Robust/src/Runtime/bamboo/multicoregarbage.c
@@ -31,7 +31,7 @@ extern unsigned int gcmem_mixed_usedmem;
 extern unsigned int bamboo_threadlocks;
 #endif
 
-int gcmarkwaitcounter = -1;
+//int gcmarkwaitcounter = -1;
 
 struct pointerblock {
   void * ptrs[NUMPTRS];
@@ -508,14 +508,16 @@ inline void checkMarkStatue() {
 		BAMBOO_ENTER_CLIENT_MODE_FROM_RUNTIME();
       } // if(!gcwaitconfirm) else()
     } else {
-	  if(waitconfirm) {
+	  /*if(waitconfirm) {
 		// There were changes between phase 1 and phase 2, can not decide 
 		// whether the mark phase has been finished
 		waitconfirm = false;
 		// As it fails in phase 2, flip the entries
 		gcnumsrobjs_index = (gcnumsrobjs_index == 0) ? 1 : 0;
-		gcmarkwaitcounter = 1000;
-	  } else if(gcmarkwaitcounter == 0) {
+		//gcmarkwaitcounter = 1000;
+		//BAMBOO_ENTER_CLIENT_MODE_FROM_RUNTIME();
+	  }*/ /*else if(gcmarkwaitcounter == 0) {
+		tprintf("mark confirm reques \n");
 		// need to triger status check
 		gccorestatus[BAMBOO_NUM_OF_CORE] = 1;
 		waitconfirm = true;
@@ -529,8 +531,9 @@ inline void checkMarkStatue() {
 		gcmarkwaitcounter = -1;
 	  } else if(gcmarkwaitcounter != -1) {
 		gcmarkwaitcounter--;
-	  }
-      BAMBOO_ENTER_CLIENT_MODE_FROM_RUNTIME();
+		BAMBOO_ENTER_CLIENT_MODE_FROM_RUNTIME();
+	  }*/
+	  BAMBOO_ENTER_CLIENT_MODE_FROM_RUNTIME();
     } // if(allStall)
   }  // if((!waitconfirm)...
   GC_BAMBOO_DEBUGPRINT(0xee0a);
@@ -539,7 +542,7 @@ inline void checkMarkStatue() {
 inline void initGC() {
   int i;
   if(STARTUPCORE == BAMBOO_NUM_OF_CORE) {
-	gcmarkwaitcounter = -1;
+	//gcmarkwaitcounter = -1;
     for(i = 0; i < NUMCORES4GC; ++i) {
       gccorestatus[i] = 1;
       gcnumsendobjs[0][i] = gcnumsendobjs[1][i] = 0;
@@ -654,7 +657,13 @@ inline bool cacheLObjs() {
     tmp_len = gclobjtail2->lengths[gclobjtailindex2 - 1];
     sumsize += tmp_len;
 #ifdef GC_PROFILE
+#ifdef MGC_SPEC
+	if((STARTUPCORE != BAMBOO_NUM_OF_CORE) || gc_profile_flag) {
+#endif
 	gc_num_lobj++;
+#ifdef MGC_SPEC
+	}
+#endif
 #endif
     GC_BAMBOO_DEBUGPRINT_REG(gclobjtail2->lobjs[gclobjtailindex2-1]);
     GC_BAMBOO_DEBUGPRINT_REG(tmp_len);
@@ -696,7 +705,13 @@ inline bool cacheLObjs() {
   }  // while(gc_lobjmoreItems2())
 
 #ifdef GC_PROFILE
+#ifdef MGC_SPEC
+	if((STARTUPCORE != BAMBOO_NUM_OF_CORE) || gc_profile_flag) {
+#endif
   gc_num_lobjspace = sumsize;
+#ifdef MGC_SPEC
+	}
+#endif
 #endif
   // check if there are enough space to cache these large objs
   unsigned int dst = gcbaseva + (BAMBOO_SHARED_MEM_SIZE) -sumsize;
@@ -1097,12 +1112,18 @@ inline void moveLObjs() {
 #endif
 
 #ifdef GC_PROFILE
+#ifdef MGC_SPEC
+	if((STARTUPCORE != BAMBOO_NUM_OF_CORE) || gc_profile_flag) {
+#endif
   // check how many live space there are
   gc_num_livespace = 0;
   for(int tmpi = 0; tmpi < gcnumblock; tmpi++) {
 	gc_num_livespace += bamboo_smemtbl[tmpi];
   }
   gc_num_freespace = (BAMBOO_SHARED_MEM_SIZE) - gc_num_livespace;
+#ifdef MGC_SPEC
+	}
+#endif
 #endif
   GC_BAMBOO_DEBUGPRINT(0xea08);
   GC_BAMBOO_DEBUGPRINT_REG(gcheaptop);
@@ -1138,7 +1159,13 @@ inline void markObj(void * objptr) {
 		// send a msg to host informing that objptr is active
 		send_msg_2(host, GCMARKEDOBJ, objptr, false);
 #ifdef GC_PROFILE
+#ifdef MGC_SPEC
+	if((STARTUPCORE != BAMBOO_NUM_OF_CORE) || gc_profile_flag) {
+#endif
 		gc_num_forwardobj++;
+#ifdef MGC_SPEC
+	}
+#endif
 #endif // GC_PROFILE
 		gcself_numsendobjs++;
 		MGCHashadd(gcforwardobjtbl, (int)objptr);
@@ -1979,7 +2006,13 @@ innermoveobj:
 	unsigned int tobound = (unsigned int)to->bound;
     GC_BAMBOO_DEBUGPRINT(0xe204);
 #ifdef GC_PROFILE
+#ifdef MGC_SPEC
+	if((STARTUPCORE != BAMBOO_NUM_OF_CORE) || gc_profile_flag) {
+#endif
 	gc_num_liveobj++;
+#ifdef MGC_SPEC
+	}
+#endif
 #endif
     // marked obj, copy it to current heap top
     // check to see if remaining space is enough
@@ -2092,7 +2125,7 @@ innermoveobj:
 		memcpy(toptr, origptr, size);
       }
       // fill the remaining space with -2
-      BAMBOO_MEMSET_WH(toptr+size, -2, isize-size);
+      BAMBOO_MEMSET_WH((unsigned int)(toptr+size), -2, isize-size);
     }
 #ifdef GC_TBL_DEBUG
 	if((gcmappingtbl[OBJMAPPINGINDEX((unsigned int)origptr)] != 2)) {
@@ -2755,21 +2788,21 @@ inline void flush(struct garbagelist * stackptr) {
 
   flushRuntimeObj(stackptr);
 
-  while(gc_moreItems_I()){//true) {
-    //BAMBOO_ENTER_RUNTIME_MODE_FROM_CLIENT();
-    //bool hasItems = gc_moreItems_I();
-    //BAMBOO_ENTER_CLIENT_MODE_FROM_RUNTIME();
-    //if(!hasItems) {
-    //  break;
-    //}
+  while(true) {
+    BAMBOO_ENTER_RUNTIME_MODE_FROM_CLIENT();
+    bool hasItems = gc_moreItems_I();
+    BAMBOO_ENTER_CLIENT_MODE_FROM_RUNTIME();
+    if(!hasItems) {
+      break;
+    }
 
     GC_BAMBOO_DEBUGPRINT(0xe301);
-    //BAMBOO_ENTER_RUNTIME_MODE_FROM_CLIENT();
+    BAMBOO_ENTER_RUNTIME_MODE_FROM_CLIENT();
     void * ptr = gc_dequeue_I();
 #ifdef GC_TBL_DEBUG
     unsigned int bkptr = (unsigned int)ptr;
 #endif
-    //BAMBOO_ENTER_CLIENT_MODE_FROM_RUNTIME();
+    BAMBOO_ENTER_CLIENT_MODE_FROM_RUNTIME();
     if(ISSHAREDOBJ(ptr)) {
       // should be a local shared obj and should have mapping info
 #ifdef GC_TBL_DEBUG
@@ -3729,7 +3762,7 @@ inline void gc_nocollect(struct garbagelist * stackptr) {
 } // void gc_collect(struct garbagelist * stackptr)
 
 inline void gc_master(struct garbagelist * stackptr) {
-  tprintf("start GC !!!!!!!!!!!!! \n");
+  //tprintf("start GC !!!!!!!!!!!!! \n");
 
   gcphase = INITPHASE;
   int i = 0;
@@ -3765,7 +3798,13 @@ inline void gc_master(struct garbagelist * stackptr) {
 	BAMBOO_ENTER_CLIENT_MODE_FROM_RUNTIME();
   }
 #ifdef GC_PROFILE
+#ifdef MGC_SPEC
+	if(gc_profile_flag) {
+#endif
   gc_profileItem();
+#ifdef MGC_SPEC
+	}
+#endif
 #endif
 #ifdef GC_CACHE_ADAPT_POLICY_OUTPUT
   gc_output_cache_sampling();
@@ -3811,7 +3850,13 @@ inline void gc_master(struct garbagelist * stackptr) {
 	gcheaptop = gcmarkedptrbound;
   }
 #ifdef GC_PROFILE
+#ifdef MGC_SPEC
+	if(gc_profile_flag) {
+#endif
   gc_profileItem();
+#ifdef MGC_SPEC
+	}
+#endif
 #endif
 #ifdef RAWPATH // TODO GC_DEBUG
   printf("(%x,%x) prepare to cache large objs \n", udn_tile_coord_x(),
@@ -3871,7 +3916,13 @@ inline void gc_master(struct garbagelist * stackptr) {
   BAMBOO_CACHE_MF();
 
 #ifdef GC_PROFILE
+#ifdef MGC_SPEC
+	if(gc_profile_flag) {
+#endif
   gc_profileItem();
+#ifdef MGC_SPEC
+	}
+#endif
 #endif
 
   // compact phase
@@ -3955,7 +4006,13 @@ inline void gc_master(struct garbagelist * stackptr) {
 	}  // if(gctomove)
   }  // while(COMPACTPHASE == gcphase)
 #ifdef GC_PROFILE
+#ifdef MGC_SPEC
+	if(gc_profile_flag) {
+#endif
   gc_profileItem();
+#ifdef MGC_SPEC
+	}
+#endif
 #endif
 #ifdef RAWPATH // TODO GC_DEBUG
   printf("(%x,%x) prepare to move large objs \n", udn_tile_coord_x(),
@@ -3981,7 +4038,13 @@ inline void gc_master(struct garbagelist * stackptr) {
 	send_msg_1(i, GCSTARTFLUSH, false);
   }
 #ifdef GC_PROFILE
+#ifdef MGC_SPEC
+	if(gc_profile_flag) {
+#endif
   gc_profileItem();
+#ifdef MGC_SPEC
+	}
+#endif
 #endif
 #ifdef RAWPATH // TODO GC_DEBUG
   printf("(%x,%x) Start flush phase \n", udn_tile_coord_x(), 
@@ -4012,7 +4075,13 @@ inline void gc_master(struct garbagelist * stackptr) {
 
 #ifdef GC_CACHE_ADAPT
 #ifdef GC_PROFILE
+#ifdef MGC_SPEC
+	if(gc_profile_flag) {
+#endif
   gc_profileItem();
+#ifdef MGC_SPEC
+	}
+#endif
 #endif
   gcphase = PREFINISHPHASE;
   gccorestatus[BAMBOO_NUM_OF_CORE] = 1;
@@ -4069,7 +4138,13 @@ inline void gc_master(struct garbagelist * stackptr) {
   bamboo_smem_zero_top = NULL;
 
 #ifdef GC_PROFILE
+#ifdef MGC_SPEC
+	if(gc_profile_flag) {
+#endif
   gc_profileEnd();
+#ifdef MGC_SPEC
+	}
+#endif
 #endif
   gccorestatus[BAMBOO_NUM_OF_CORE] = 1;
   for(i = 1; i < NUMCORESACTIVE; ++i) {
@@ -4084,6 +4159,7 @@ inline void gc_master(struct garbagelist * stackptr) {
   printf("(%x,%x) gc finished   \n", udn_tile_coord_x(), 
 		 udn_tile_coord_y());
 #endif
+  //tprintf("finish GC ! \n");
 } // void gc_master(struct garbagelist * stackptr)
 
 inline bool gc(struct garbagelist * stackptr) {
@@ -4123,7 +4199,13 @@ inline bool gc(struct garbagelist * stackptr) {
 	  return false;
 	} else {
 #ifdef GC_PROFILE
+#ifdef MGC_SPEC
+	if(gc_profile_flag) {
+#endif
     gc_profileStart();
+#ifdef MGC_SPEC
+	}
+#endif
 #endif
 pregccheck:
 	  gcnumsendobjs[0][BAMBOO_NUM_OF_CORE] = self_numsendobjs;
diff --git a/Robust/src/Runtime/bamboo/multicoregarbage.h b/Robust/src/Runtime/bamboo/multicoregarbage.h
index 16ad1728..838f19c8 100644
--- a/Robust/src/Runtime/bamboo/multicoregarbage.h
+++ b/Robust/src/Runtime/bamboo/multicoregarbage.h
@@ -30,16 +30,16 @@
 unsigned int gc_num_flush_dtlb;
 #endif
 
-#define NUMPTRS 100
+#define NUMPTRS 120
 
 // for GC profile
 #ifdef GC_PROFILE
 #define GCINFOLENGTH 100
 
 #ifdef GC_CACHE_ADAPT
-#define GC_PROFILE_NUM_FIELD 16
-#else
 #define GC_PROFILE_NUM_FIELD 15
+#else
+#define GC_PROFILE_NUM_FIELD 14
 #endif // GC_CACHE_ADAPT
 
 typedef struct gc_info {
@@ -60,6 +60,10 @@ unsigned int gc_num_obj;
 unsigned int gc_num_forwardobj;
 unsigned int gc_num_profiles;
 
+#ifdef MGC_SPEC
+volatile bool gc_profile_flag;
+#endif
+
 #endif // GC_PROFILE
 
 typedef enum {
@@ -168,7 +172,7 @@ unsigned int size_cachepolicytbl;
 #define OBJMAPPINGINDEX(p) (((unsigned int)p-gcbaseva)/bamboo_baseobjsize)
 
 #define ISSHAREDOBJ(p) \
-  ((((unsigned int)p)>gcbaseva)&&(((unsigned int)p)<(gcbaseva+(BAMBOO_SHARED_MEM_SIZE))))
+  ((((unsigned int)p)>=gcbaseva)&&(((unsigned int)p)<(gcbaseva+(BAMBOO_SHARED_MEM_SIZE))))
 
 #define ALIGNSIZE(s, as) \
   (*((unsigned int*)as)) = (((s) & (~(BAMBOO_CACHE_LINE_MASK))) + (BAMBOO_CACHE_LINE_SIZE))
diff --git a/Robust/src/Runtime/bamboo/multicorehelper.h b/Robust/src/Runtime/bamboo/multicorehelper.h
index 2410552d..5ecf1658 100644
--- a/Robust/src/Runtime/bamboo/multicorehelper.h
+++ b/Robust/src/Runtime/bamboo/multicorehelper.h
@@ -6,6 +6,116 @@
 static unsigned int gc_core2block[2] = {0,1};
 
 static unsigned int gc_block2core[2] = { 0,  0};
+#elif defined GC_2
+// NUMCORES4GC = 2
+static unsigned int gc_core2block[4] = {
+  0,3,  
+  1,2
+};
+
+static unsigned int gc_block2core[4] = {
+  0, 1, 
+  1, 0
+};
+#elif defined GC_4
+// NUMCORES4GC = 4
+static unsigned int gc_core2block[8] = {
+  0,7,  3,4,  
+  1,6,  2,5
+};
+
+static unsigned int gc_block2core[8] = {
+  0, 2, 3, 1,
+  1, 3, 2, 0
+};
+#elif defined GC_8
+// NUMCORES4GC = 8
+static unsigned int gc_core2block[16] = {
+  0,15,   3,12,   4,11,   7,8, 
+  1,14,   2,13,   5,10,   6,9
+};
+
+static unsigned int gc_block2core[16] = {
+  0,  4,  5,  1,  2,  6,  7,  3,
+  3,  7,  6,  2,  1,  5,  4,  0
+};
+#elif defined GC_16
+// NUMCORES4GC = 16
+static unsigned int gc_core2block[32] = {
+  0,31,   7,24,   8,23,  15,16,
+  1,30,   6,25,   9,22,  14,17,
+  2,29,   5,26,  10,21,  13,18,
+  3,28,   4,27,  11,20,  12,19
+};
+
+static unsigned int gc_block2core[32] = {
+  0,  4,  8, 12, 13,  9,  5,  1,
+  2,  6, 10, 14, 15, 11,  7,  3,
+  3,  7, 11, 15, 14, 10,  6,  2,
+  1,  5,  9, 13, 12,  8,  4,  0
+};
+#elif defined GC_32
+// NUMCORES4GC = 32
+static unsigned int gc_core2block[64] = {
+  0,63,  15,48,  16,47,  31,32,   
+  1,62,  14,49,  17,46,  30,33,
+  2,61,  13,50,  18,45,  29,34, 
+  3,60,  12,51,  19,44,  28,35,
+  4,59,  11,52,  20,43,  27,36,  
+  5,58,  10,53,  21,42,  26,37,
+  6,57,   9,54,  22,41,  25,38,  
+  7,56,   8,55,  23,40,  24,39
+};
+
+static unsigned int gc_block2core[64] = {
+  0,  4,  8, 12, 16, 20, 24, 28, 29, 25, 21, 17, 13,  9,  5,  1,
+  2,  6, 10, 14, 18, 22, 26, 30, 31, 27, 23, 19, 15, 11,  7,  3,
+  3,  7, 11, 15, 19, 23, 27, 31, 30, 26, 22, 18, 14, 10,  6,  2,
+  1,  5,  9, 13, 17, 21, 25, 29, 28, 24, 20, 16, 12,  8,  4,  0
+};
+#elif defined GC_48
+// NUMCORES4GC = 50
+static unsigned int gc_core2block[96] = {
+  0,95,  15,80,  16,79,  31,64,  32,63,  47,48,
+  1,94,  14,81,  17,78,  30,65,  33,62,  46,49,
+  2,93,  13,82,  18,77,  29,66,  34,61,  45,50,
+  3,92,  12,83,  19,76,  28,67,  35,60,  44,51,
+  4,91,  11,84,  20,75,  27,68,  36,59,  43,52,
+  5,90,  10,85,  21,74,  26,69,  37,58,  42,53,
+  6,89,   9,86,  22,73,  25,70,  38,57,  41,54,
+  7,88,   8,87,  23,72,  24,71,  39,56,  40,55
+};
+
+static unsigned int gc_block2core[96] = {
+  0,  6, 12, 18, 24, 30, 36, 42, 43, 37, 31, 25, 19, 13,  7,  1,
+  2,  8, 14, 20, 26, 32, 38, 44, 45, 39, 33, 27, 21, 15,  9,  3,
+  4, 10, 16, 22, 28, 34, 40, 46, 47, 41, 35, 29, 23, 17, 11,  5,
+  5, 11, 17, 23, 29, 35, 41, 47, 46, 40, 34, 28, 22, 16, 10,  4,
+  3,  9, 15, 21, 27, 33, 39, 45, 44, 38, 32, 26, 20, 14,  8,  2,
+  1,  7, 13, 19, 25, 31, 37, 43, 42, 36, 30, 24, 18, 12,  6,  0
+};
+#elif defined GC_50
+// NUMCORES4GC = 50
+static unsigned int gc_core2block[100] = {
+  0,99,  15,84,  16,83,  31,68,  32,67,  47,52,
+  1,98,  14,85,  17,82,  30,69,  33,66,  46,53,
+  2,97,  13,86,  18,81,  29,70,  34,65,  45,54,
+  3,96,  12,87,  19,80,  28,71,  35,64,  44,55,
+  4,95,  11,88,  20,79,  27,72,  36,63,  43,56,
+  5,94,  10,89,  21,78,  26,73,  37,62,  42,57,
+  6,93,   9,90,  22,77,  25,74,  38,61,  41,58,  48,51,
+  7,92,   8,91,  23,76,  24,75,  39,60,  40,59,  49,50
+};
+
+static unsigned int gc_block2core[100] = {
+  0,  6, 12, 18, 24, 30, 36, 43, 44, 37, 31, 25, 19, 13,  7,  1,
+  2,  8, 14, 20, 26, 32, 38, 45, 46, 39, 33, 27, 21, 15,  9,  3,
+  4, 10, 16, 22, 28, 34, 40, 47, 48, 41, 35, 29, 23, 17, 11,  5,
+                         42, 49, 49, 42,
+  5, 11, 17, 23, 29, 35, 41, 48, 47, 40, 34, 28, 22, 16, 10,  4,
+  3,  9, 15, 21, 27, 33, 39, 46, 45, 38, 32, 26, 20, 14,  8,  2,
+  1,  7, 13, 19, 25, 31, 37, 44, 43, 36, 30, 24, 18, 12,  6,  0
+};
 #elif defined GC_56
 // NUMCORES4GC = 56
 static unsigned int gc_core2block[112] = {
diff --git a/Robust/src/Runtime/bamboo/multicoremem.c b/Robust/src/Runtime/bamboo/multicoremem.c
index c139bc38..cf6c921a 100644
--- a/Robust/src/Runtime/bamboo/multicoremem.c
+++ b/Robust/src/Runtime/bamboo/multicoremem.c
@@ -68,6 +68,226 @@ unsigned int gcmem_mixed_usedmem = 0;
 int core2test[1][NUM_CORES2TEST] = {
   {0, -1, -1, -1, -1, -1, -1, -1, -1}
 };
+#elif defined GC_2
+int core2test[2][NUM_CORES2TEST] = {
+  { 0, -1, -1, -1,  1, -1, -1, -1, -1, -1, -1, -1, -1}, 
+  { 1, -1,  0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1} 
+};
+#elif defined GC_4
+int core2test[4][NUM_CORES2TEST] = {
+  { 0, -1, -1,  2,  1, -1, -1, -1, -1, -1, -1, -1, -1}, 
+  { 1, -1,  0,  3, -1, -1, -1, -1, -1, -1, -1, -1, -1}, 
+  { 2,  0, -1, -1,  3, -1, -1, -1, -1, -1, -1, -1, -1}, 
+  { 3,  1,  2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1} 
+};
+#elif defined GC_8
+int core2test[8][NUM_CORES2TEST] = {
+  { 0, -1, -1,  4,  1, -1, -1, -1, -1, -1,  5,  2, -1}, 
+  { 1, -1,  0,  5,  2, -1, -1, -1,  4, -1,  6,  3, -1}, 
+  { 2, -1,  1,  6,  3, -1, -1,  0,  5, -1,  7, -1, -1}, 
+  { 3, -1,  2,  7, -1, -1, -1,  1,  6, -1, -1, -1, -1}, 
+  { 4,  0, -1, -1,  5, -1, -1, -1, -1, -1, -1,  6,  1}, 
+  { 5,  1,  4, -1,  6, -1,  0, -1, -1, -1, -1,  7,  2},
+  { 6,  2,  5, -1,  7, -1,  1,  4, -1, -1, -1, -1,  3}, 
+  { 7,  3,  6, -1, -1, -1,  2,  5, -1, -1, -1, -1, -1} 
+};
+#elif defined GC_16
+int core2test[16][NUM_CORES2TEST] = {
+  { 0, -1, -1,  4,  1, -1, -1, -1, -1,  8,  5,  2, -1}, 
+  { 1, -1,  0,  5,  2, -1, -1, -1,  4,  9,  6,  3, -1}, 
+  { 2, -1,  1,  6,  3, -1, -1,  0,  5, 10,  7, -1, -1}, 
+  { 3, -1,  2,  7, -1, -1, -1,  1,  6, 11, -1, -1, -1}, 
+  { 4,  0, -1,  8,  5, -1, -1, -1, -1, 12,  9,  6,  1}, 
+  { 5,  1,  4,  9,  6, -1,  0, -1,  8, 13, 10,  7,  2},
+  { 6,  2,  5, 10,  7, -1,  1,  4,  9, 14, 11, -1,  3}, 
+  { 7,  3,  6, 11, -1, -1,  2,  5, 10, 15, -1, -1, -1}, 
+  { 8,  4, -1, 12,  9,  0, -1, -1, -1, -1, 13, 10,  5}, 
+  { 9,  5,  8, 13, 10,  1,  4, -1, 12, -1, 14, 11,  6}, 
+  {10,  6,  9, 14, 11,  2,  5,  8, 13, -1, 15, -1,  7}, 
+  {11,  7, 10, 15, -1,  3,  6,  9, 14, -1, -1, -1, -1},
+  {12,  8, -1, -1, 13,  4, -1, -1, -1, -1, -1, 14,  9}, 
+  {13,  9, 12, -1, 14,  5,  8, -1, -1, -1, -1, 15, 10}, 
+  {14, 10, 13, -1, 15,  6,  9, 12, -1, -1, -1, -1, 11}, 
+  {15, 11, 14, -1, -1,  7, 10, 13, -1, -1, -1, -1, -1} 
+};
+#elif defined GC_32
+int core2test[32][NUM_CORES2TEST] = {
+  { 0, -1, -1,  4,  1, -1, -1, -1, -1,  8,  5,  2, -1}, 
+  { 1, -1,  0,  5,  2, -1, -1, -1,  4,  9,  6,  3, -1}, 
+  { 2, -1,  1,  6,  3, -1, -1,  0,  5, 10,  7, -1, -1}, 
+  { 3, -1,  2,  7, -1, -1, -1,  1,  6, 11, -1, -1, -1}, 
+  { 4,  0, -1,  8,  5, -1, -1, -1, -1, 12,  9,  6,  1}, 
+  { 5,  1,  4,  9,  6, -1,  0, -1,  8, 13, 10,  7,  2},
+  { 6,  2,  5, 10,  7, -1,  1,  4,  9, 14, 11, -1,  3}, 
+  { 7,  3,  6, 11, -1, -1,  2,  5, 10, 15, -1, -1, -1}, 
+  { 8,  4, -1, 12,  9,  0, -1, -1, -1, 16, 13, 10,  5}, 
+  { 9,  5,  8, 13, 10,  1,  4, -1, 12, 17, 14, 11,  6}, 
+  {10,  6,  9, 14, 11,  2,  5,  8, 13, 18, 15, -1,  7}, 
+  {11,  7, 10, 15, -1,  3,  6,  9, 14, 19, -1, -1, -1},
+  {12,  8, -1, 16, 13,  4, -1, -1, -1, 20, 17, 14,  9}, 
+  {13,  9, 12, 17, 14,  5,  8, -1, 16, 21, 18, 15, 10}, 
+  {14, 10, 13, 18, 15,  6,  9, 12, 17, 22, 19, -1, 11}, 
+  {15, 11, 14, 19, -1,  7, 10, 13, 18, 23, -1, -1, -1}, 
+  {16, 12, -1, 20, 17,  8, -1, -1, -1, 24, 21, 18, 13}, 
+  {17, 13, 16, 21, 18,  9, 12, -1, 20, 25, 22, 19, 14},
+  {18, 14, 17, 22, 19, 10, 13, 16, 21, 26, 23, -1, 15}, 
+  {19, 15, 18, 23, -1, 11, 14, 17, 22, 27, -1, -1, -1}, 
+  {20, 16, -1, 24, 21, 12, -1, -1, -1, 28, 25, 22, 17}, 
+  {21, 17, 20, 25, 22, 13, 16, -1, 24, 29, 26, 23, 18}, 
+  {22, 18, 21, 26, 23, 14, 17, 20, 25, 30, 27, -1, 19}, 
+  {23, 19, 22, 27, -1, 15, 18, 21, 26, 31, -1, -1, -1},
+  {24, 20, -1, 28, 25, 16, -1, -1, -1, -1, 29, 26, 21}, 
+  {25, 21, 24, 29, 26, 17, 20, -1, 28, -1, 30, 27, 22}, 
+  {26, 22, 25, 30, 27, 18, 21, 24, 29, -1, 31, -1, 23}, 
+  {27, 23, 26, 31, -1, 19, 22, 25, 30, -1, -1, -1, -1}, 
+  {28, 24, -1, -1, 29, 20, -1, -1, -1, -1, -1, 30, 25}, 
+  {29, 25, 28, -1, 30, 21, 24, -1, -1, -1, -1, 31, 26},
+  {30, 26, 29, -1, 31, 22, 25, 28, -1, -1, -1, -1, 27}, 
+  {31, 27, 30, -1, -1, 23, 26, 29, -1, -1, -1, -1, -1} 
+};
+#elif defined GC_36
+int core2test[36][NUM_CORES2TEST] = {
+  { 0, -1, -1,  6,  1, -1, -1, -1, -1, 12,  7,  2, -1}, 
+  { 1, -1,  0,  7,  2, -1, -1, -1,  6, 13,  8,  3, -1}, 
+  { 2, -1,  1,  8,  3, -1, -1,  0,  7, 14,  9,  4, -1}, 
+  { 3, -1,  2,  9,  4, -1, -1,  1,  8, 15, 10,  5, -1}, 
+  { 4, -1,  3, 10,  5, -1, -1,  2,  9, 16, 11, -1, -1}, 
+  { 5, -1,  4, 11, -1, -1, -1,  3, 10, 17, -1, -1, -1},
+  { 6,  0, -1, 12,  7, -1, -1, -1, -1, 18, 13,  8,  1}, 
+  { 7,  1,  6, 13,  8, -1,  0, -1, 12, 19, 14,  9,  2}, 
+  { 8,  2,  7, 14,  9, -1,  1,  6, 13, 20, 15, 10,  3}, 
+  { 9,  3,  8, 15, 10, -1,  2,  7, 14, 21, 16, 11,  4}, 
+  {10,  4,  9, 16, 11, -1,  3,  8, 15, 22, 17, -1,  5}, 
+  {11,  5, 10, 17, -1, -1,  4,  9, 16, 23, -1, -1, -1},
+  {12,  6, -1, 18, 13,  0, -1, -1, -1, 24, 19, 14,  7}, 
+  {13,  7, 12, 19, 14,  1,  6, -1, 18, 25, 20, 15,  8}, 
+  {14,  8, 13, 20, 15,  2,  7, 12, 19, 26, 21, 16,  9}, 
+  {15,  9, 14, 21, 16,  3,  8, 13, 20, 27, 22, 17, 10}, 
+  {16, 10, 15, 22, 17,  4,  9, 14, 21, 28, 23, -1, 11}, 
+  {17, 11, 16, 23, -1,  5, 10, 15, 22, 29, -1, -1, -1},
+  {18, 12, -1, 24, 19,  6, -1, -1, -1, 30, 25, 20, 13}, 
+  {19, 13, 18, 25, 20,  7, 12, -1, 24, 31, 26, 21, 14}, 
+  {20, 14, 19, 26, 21,  8, 13, 18, 25, 32, 27, 22, 15}, 
+  {21, 15, 20, 27, 22,  9, 14, 19, 26, 33, 28, 23, 16}, 
+  {22, 16, 21, 28, 23, 10, 15, 20, 27, 34, 29, -1, 17}, 
+  {23, 17, 22, 29, -1, 11, 16, 21, 28, 35, -1, -1, -1},
+  {24, 18, -1, 30, 25, 12, -1, -1, -1, -1, 31, 26, 19}, 
+  {25, 19, 24, 31, 26, 13, 18, -1, 30, -1, 32, 27, 20}, 
+  {26, 20, 25, 32, 27, 14, 19, 24, 31, -1, 33, 28, 21}, 
+  {27, 21, 26, 33, 28, 15, 20, 25, 32, -1, 34, 29, 22}, 
+  {28, 22, 27, 34, 29, 16, 21, 26, 33, -1, 35, -1, 23}, 
+  {29, 23, 28, 35, -1, 17, 22, 27, 34, -1, -1, -1, -1},
+  {30, 24, -1, -1, 31, 18, -1, -1, -1, -1, -1, 32, 25}, 
+  {31, 25, 30, -1, 32, 19, 24, -1, -1, -1, -1, 33, 26},
+  {32, 26, 31, -1, 33, 20, 25, 30, -1, -1, -1, 34, 27}, 
+  {33, 27, 32, -1, 34, 21, 26, 31, -1, -1, -1, 35, 28}, 
+  {34, 28, 33, -1, 35, 22, 27, 32, -1, -1, -1, -1, 29}, 
+  {35, 29, 34, -1, -1, 23, 28, 33, -1, -1, -1, -1, -1}
+};
+#elif defined GC_48
+int core2test[48][NUM_CORES2TEST] = {
+  { 0, -1, -1,  6,  1, -1, -1, -1, -1, 12,  7,  2, -1}, 
+  { 1, -1,  0,  7,  2, -1, -1, -1,  6, 13,  8,  3, -1}, 
+  { 2, -1,  1,  8,  3, -1, -1,  0,  7, 14,  9,  4, -1}, 
+  { 3, -1,  2,  9,  4, -1, -1,  1,  8, 15, 10,  5, -1}, 
+  { 4, -1,  3, 10,  5, -1, -1,  2,  9, 16, 11, -1, -1}, 
+  { 5, -1,  4, 11, -1, -1, -1,  3, 10, 17, -1, -1, -1},
+  { 6,  0, -1, 12,  7, -1, -1, -1, -1, 18, 13,  8,  1}, 
+  { 7,  1,  6, 13,  8, -1,  0, -1, 12, 19, 14,  9,  2}, 
+  { 8,  2,  7, 14,  9, -1,  1,  6, 13, 20, 15, 10,  3}, 
+  { 9,  3,  8, 15, 10, -1,  2,  7, 14, 21, 16, 11,  4}, 
+  {10,  4,  9, 16, 11, -1,  3,  8, 15, 22, 17, -1,  5}, 
+  {11,  5, 10, 17, -1, -1,  4,  9, 16, 23, -1, -1, -1},
+  {12,  6, -1, 18, 13,  0, -1, -1, -1, 24, 19, 14,  7}, 
+  {13,  7, 12, 29, 14,  1,  6, -1, 18, 25, 20, 15,  8}, 
+  {14,  8, 13, 20, 15,  2,  7, 12, 19, 26, 21, 16,  9}, 
+  {15,  9, 14, 21, 16,  3,  8, 13, 20, 27, 22, 17, 10}, 
+  {16, 10, 15, 22, 17,  4,  9, 14, 21, 28, 23, -1, 11}, 
+  {17, 11, 16, 23, -1,  5, 10, 15, 22, 29, -1, -1, -1},
+  {18, 12, -1, 24, 19,  6, -1, -1, -1, 30, 25, 20, 13}, 
+  {19, 13, 18, 25, 20,  7, 12, -1, 24, 31, 26, 21, 14}, 
+  {20, 14, 19, 26, 21,  8, 13, 18, 25, 32, 27, 22, 15}, 
+  {21, 15, 20, 27, 22,  9, 14, 19, 26, 33, 28, 23, 16}, 
+  {22, 16, 21, 28, 23, 10, 15, 20, 27, 34, 29, -1, 17}, 
+  {23, 17, 22, 29, -1, 11, 16, 21, 28, 35, -1, -1, -1},
+  {24, 18, -1, 30, 25, 12, -1, -1, -1, 36, 31, 26, 19}, 
+  {25, 19, 24, 31, 26, 13, 18, -1, 30, 37, 32, 27, 20}, 
+  {26, 20, 25, 32, 27, 14, 19, 24, 31, 38, 33, 28, 21}, 
+  {27, 21, 26, 33, 28, 15, 20, 25, 32, 39, 34, 29, 22}, 
+  {28, 22, 27, 34, 29, 16, 21, 26, 33, 40, 35, -1, 23}, 
+  {29, 23, 28, 35, -1, 17, 22, 27, 34, 41, -1, -1, -1},
+  {30, 24, -1, 36, 31, 18, -1, -1, -1, 42, 37, 32, 25}, 
+  {31, 25, 30, 37, 32, 19, 24, -1, 36, 43, 38, 33, 26}, 
+  {32, 26, 31, 38, 33, 20, 25, 30, 37, 44, 39, 34, 27}, 
+  {33, 27, 32, 39, 34, 21, 26, 31, 38, 45, 40, 35, 28}, 
+  {34, 28, 33, 40, 35, 22, 27, 32, 39, 46, 41, -1, 29}, 
+  {35, 29, 34, 41, -1, 23, 28, 33, 40, 47, -1, -1, -1},
+  {36, 30, -1, 42, 37, 24, -1, -1, -1, -1, 43, 38, 31}, 
+  {37, 31, 36, 43, 38, 25, 30, -1, 42, -1, 44, 39, 32}, 
+  {38, 32, 37, 44, 39, 26, 31, 36, 43, -1, 45, 40, 33}, 
+  {39, 33, 38, 45, 40, 27, 32, 37, 44, -1, 46, 41, 34}, 
+  {40, 34, 39, 46, 41, 28, 33, 38, 45, -1, 47, -1, 35}, 
+  {41, 35, 40, 47, -1, 29, 34, 39, 46, -1, -1, -1, -1},
+  {42, 36, -1, -1, 43, 30, -1, -1, -1, -1, -1, 44, 37}, 
+  {43, 37, 42, -1, 44, 31, 36, -1, -1, -1, -1, 45, 38}, 
+  {44, 38, 43, -1, 45, 32, 37, 42, -1, -1, -1, 46, 39}, 
+  {45, 39, 44, -1, 46, 33, 38, 43, -1, -1, -1, 47, 40}, 
+  {46, 40, 45, -1, 47, 34, 39, 44, -1, -1, -1, -1, 41}, 
+  {47, 41, 46, -1, -1, 35, 40, 45, -1, -1, -1, -1, -1},
+};
+#elif defined GC_50
+int core2test[50][NUM_CORES2TEST] = {
+  { 0, -1, -1,  6,  1, -1, -1, -1, -1, 12,  7,  2, -1}, 
+  { 1, -1,  0,  7,  2, -1, -1, -1,  6, 13,  8,  3, -1}, 
+  { 2, -1,  1,  8,  3, -1, -1,  0,  7, 14,  9,  4, -1}, 
+  { 3, -1,  2,  9,  4, -1, -1,  1,  8, 15, 10,  5, -1}, 
+  { 4, -1,  3, 10,  5, -1, -1,  2,  9, 16, 11, -1, -1}, 
+  { 5, -1,  4, 11, -1, -1, -1,  3, 10, 17, -1, -1, -1},
+  { 6,  0, -1, 12,  7, -1, -1, -1, -1, 18, 13,  8,  1}, 
+  { 7,  1,  6, 13,  8, -1,  0, -1, 12, 19, 14,  9,  2}, 
+  { 8,  2,  7, 14,  9, -1,  1,  6, 13, 20, 15, 10,  3}, 
+  { 9,  3,  8, 15, 10, -1,  2,  7, 14, 21, 16, 11,  4}, 
+  {10,  4,  9, 16, 11, -1,  3,  8, 15, 22, 17, -1,  5}, 
+  {11,  5, 10, 17, -1, -1,  4,  9, 16, 23, -1, -1, -1},
+  {12,  6, -1, 18, 13,  0, -1, -1, -1, 24, 19, 14,  7}, 
+  {13,  7, 12, 29, 14,  1,  6, -1, 18, 25, 20, 15,  8}, 
+  {14,  8, 13, 20, 15,  2,  7, 12, 19, 26, 21, 16,  9}, 
+  {15,  9, 14, 21, 16,  3,  8, 13, 20, 27, 22, 17, 10}, 
+  {16, 10, 15, 22, 17,  4,  9, 14, 21, 28, 23, -1, 11}, 
+  {17, 11, 16, 23, -1,  5, 10, 15, 22, 29, -1, -1, -1},
+  {18, 12, -1, 24, 19,  6, -1, -1, -1, 30, 25, 20, 13}, 
+  {19, 13, 18, 25, 20,  7, 12, -1, 24, 31, 26, 21, 14}, 
+  {20, 14, 19, 26, 21,  8, 13, 18, 25, 32, 27, 22, 15}, 
+  {21, 15, 20, 27, 22,  9, 14, 19, 26, 33, 28, 23, 16}, 
+  {22, 16, 21, 28, 23, 10, 15, 20, 27, 34, 29, -1, 17}, 
+  {23, 17, 22, 29, -1, 11, 16, 21, 28, 35, -1, -1, -1},
+  {24, 18, -1, 30, 25, 12, -1, -1, -1, 36, 31, 26, 19}, 
+  {25, 19, 24, 31, 26, 13, 18, -1, 30, 37, 32, 27, 20}, 
+  {26, 20, 25, 32, 27, 14, 19, 24, 31, 38, 33, 28, 21}, 
+  {27, 21, 26, 33, 28, 15, 20, 25, 32, 39, 34, 29, 22}, 
+  {28, 22, 27, 34, 29, 16, 21, 26, 33, 40, 35, -1, 23}, 
+  {29, 23, 28, 35, -1, 17, 22, 27, 34, 41, -1, -1, -1},
+  {30, 24, -1, 36, 31, 18, -1, -1, -1, 43, 37, 32, 25}, 
+  {31, 25, 30, 37, 32, 19, 24, -1, 36, 44, 38, 33, 26}, 
+  {32, 26, 31, 38, 33, 20, 25, 30, 37, 45, 39, 34, 27}, 
+  {33, 27, 32, 39, 34, 21, 26, 31, 38, 46, 40, 35, 28}, 
+  {34, 28, 33, 40, 35, 22, 27, 32, 39, 47, 41, -1, 29}, 
+  {35, 29, 34, 41, -1, 23, 28, 33, 40, 48, 42, -1, -1},
+  {36, 30, -1, 43, 37, 24, -1, -1, -1, -1, 44, 38, 31}, 
+  {37, 31, 36, 44, 38, 25, 30, -1, 43, -1, 45, 39, 32}, 
+  {38, 32, 37, 45, 39, 26, 31, 36, 44, -1, 46, 40, 33}, 
+  {39, 33, 38, 46, 40, 27, 32, 37, 45, -1, 47, 41, 34}, 
+  {40, 34, 39, 47, 41, 28, 33, 38, 46, -1, 48, 42, 35}, 
+  {41, 35, 40, 48, 42, 29, 34, 39, 47, -1, 49, -1, -1},
+  {42, -1, 41, 49, -1, -1, 35, 40, 48, -1, -1, -1, -1}, 
+  {43, 36, -1, -1, 44, 30, -1, -1, -1, -1, -1, 45, 37}, 
+  {44, 37, 43, -1, 45, 31, 36, -1, -1, -1, -1, 46, 38}, 
+  {45, 38, 44, -1, 46, 32, 37, 43, -1, -1, -1, 47, 39}, 
+  {46, 39, 45, -1, 47, 33, 38, 44, -1, -1, -1, 48, 40}, 
+  {47, 40, 46, -1, 48, 34, 39, 45, -1, -1, -1, 49, 41},
+  {48, 41, 47, -1, 49, 35, 40, 46, -1, -1, -1, -1, 42}, 
+  {49, 42, 48, -1, -1, -1, 41, 47, -1, -1, -1, -1, -1} 
+};
 #elif defined GC_56
 int core2test[56][NUM_CORES2TEST] = {
   { 0, -1, -1,  7,  1, -1, -1, -1, -1, 14,  8,  2, -1}, 
diff --git a/Robust/src/Runtime/bamboo/multicoremem.h b/Robust/src/Runtime/bamboo/multicoremem.h
index aad87def..1c2ac1cb 100644
--- a/Robust/src/Runtime/bamboo/multicoremem.h
+++ b/Robust/src/Runtime/bamboo/multicoremem.h
@@ -11,17 +11,39 @@
 
 // data structures for shared memory allocation
 #ifdef TILERA_BME
-#define BAMBOO_BASE_VA 0x600000  //0xd000000
+#ifdef MGC
+#define BAMBOO_BASE_VA 0x600000  
+#else 
+#define BAMBOO_BASE_VA 0xd000000
+#endif
 #elif defined TILERA_ZLINUX
 #ifdef MULTICORE_GC
-#define BAMBOO_BASE_VA 0x600000 //0xd000000
+#ifdef MGC
+#define BAMBOO_BASE_VA 0x600000 
+#else 
+#define BAMBOO_BASE_VA 0xd000000
+#endif
 #endif // MULTICORE_GC
 #endif // TILERA_BME
 
 #ifdef BAMBOO_MEMPROF
 #define GC_BAMBOO_NUMCORES 56
 #else
-#define GC_BAMBOO_NUMCORES 62
+#define GC_BAMBOO_NUMCORES (NUMCORES)
+/*#elif defined GC_2
+#define GC_BAMBOO_NUMCORES 3
+#elif defined GC_4
+#define GC_BAMBOO_NUMCORES 4
+#elif defined GC_8
+#define GC_BAMBOO_NUMCORES 8
+#elif defined GC_16
+#define GC_BAMBOO_NUMCORES 16
+#elif defined GC_32
+#define GC_BAMBOO_NUMCORES 32
+#elif defined GC_50
+#define GC_BAMBOO_NUMCORES 50
+#elif defined GC_62
+#define GC_BAMBOO_NUMCORES 62*/
 #endif
 
 #ifdef GC_DEBUG
@@ -34,6 +56,8 @@
 #elif defined GC_CACHE_ADAPT
 #ifdef GC_LARGESHAREDHEAP
 #define BAMBOO_NUM_BLOCKS ((unsigned int)((GC_BAMBOO_NUMCORES)*(2+24)))
+#elif defined MGC
+#define BAMBOO_NUM_BLOCKS ((unsigned int)((GC_BAMBOO_NUMCORES)*(62*4))) // 62M per core
 #else
 #define BAMBOO_NUM_BLOCKS ((unsigned int)((GC_BAMBOO_NUMCORES)*(2+14)))
 #endif
@@ -59,8 +83,10 @@
 #define BAMBOO_NUM_BLOCKS ((unsigned int)((GC_BAMBOO_NUMCORES)*(2+2)))
 #elif defined GC_LARGESHAREDHEAP2
 #define BAMBOO_NUM_BLOCKS ((unsigned int)((GC_BAMBOO_NUMCORES)*(2+2)))
+#elif defined MGC
+#define BAMBOO_NUM_BLOCKS ((unsigned int)((GC_BAMBOO_NUMCORES)*72)) // 62M per core
 #else
-#define BAMBOO_NUM_BLOCKS ((unsigned int)((GC_BAMBOO_NUMCORES)*(2+52/*3*/))) //(15 * 1024) //(64 * 4 * 0.75) //(1024 * 1024 * 3.5)  3G
+#define BAMBOO_NUM_BLOCKS ((unsigned int)((GC_BAMBOO_NUMCORES)*(2+3))) //(15 * 1024) //(64 * 4 * 0.75) //(1024 * 1024 * 3.5)  3G
 #endif
 #ifdef GC_LARGEPAGESIZE
 #define BAMBOO_PAGE_SIZE ((unsigned int)(4 * 1024 * 1024))  // (4096)
@@ -79,6 +105,7 @@
 #endif // GC_DEBUG
 
 #ifdef MULTICORE_GC
+volatile bool gc_localheap_s;
 #include "multicoregarbage.h"
 
 typedef enum {
diff --git a/Robust/src/Runtime/bamboo/multicoreruntime.c b/Robust/src/Runtime/bamboo/multicoreruntime.c
index a8c1224d..3e5e60f2 100644
--- a/Robust/src/Runtime/bamboo/multicoreruntime.c
+++ b/Robust/src/Runtime/bamboo/multicoreruntime.c
@@ -263,6 +263,19 @@ void CALL35(___System______arraycopy____L___Object____I_L___Object____I_I, int _
 #endif
 
 void CALL11(___System______exit____I,int ___status___, int ___status___) {
+// gc_profile mode, output gc prfiling data
+#ifdef MULTICORE_GC
+  if(STARTUPCORE == BAMBOO_NUM_OF_CORE) {
+	BAMBOO_PRINT(BAMBOO_GET_EXE_TIME());
+	BAMBOO_PRINT(0xbbbbbbbb);
+#ifdef GC_CACHE_ADAPT
+	bamboo_mask_timer_intr(); // disable the TILE_TIMER interrupt
+#endif // GC_CACHE_ADAPT
+#ifdef GC_PROFILE
+	gc_outputProfileData();
+#endif // #ifdef GC_PROFILE
+  }
+#endif // #ifdef MULTICORE_GC
   BAMBOO_EXIT(___status___);
 }
 
@@ -283,6 +296,24 @@ long long CALL00(___System______currentTimeMillis____) {
   return ((unsigned long long)BAMBOO_GET_EXE_TIME())/700000;
 }
 
+void CALL00(___System______setgcprofileflag____) {
+#ifdef GC_PROFILE
+#ifdef MGC_SPEC
+  extern volatile bool gc_profile_flag;
+  gc_profile_flag = true;
+#endif
+#endif
+}
+
+void CALL00(___System______resetgcprofileflag____) {
+#ifdef GC_PROFILE
+#ifdef MGC_SPEC
+  extern volatile bool gc_profile_flag;
+  gc_profile_flag = false;
+#endif
+#endif
+}
+
 void CALL01(___System______printString____L___String___,struct ___String___ * ___s___) {
 #ifdef MGC
 #ifdef TILERA_BME
@@ -575,14 +606,7 @@ INLINE void initruntimedata() {
   gcself_numsendobjs = 0;
   gcself_numreceiveobjs = 0;
   gcmarkedptrbound = 0;
-/*#ifdef LOCALHASHTBL_TEST
-  gcpointertbl = allocateRuntimeHash_I(20);
-#else
-  gcpointertbl = mgchashCreate_I(2000, 0.75);
-#endif*/
   gcforwardobjtbl = allocateMGCHash_I(20, 3);
-  /*gcobj2map = 0;
-  gcmappedobj = 0;*/
   gcnumlobjs = 0;
   gcheaptop = 0;
   gctopcore = 0;
@@ -602,10 +626,13 @@ INLINE void initruntimedata() {
   gc_num_forwardobj = 0;
   gc_num_profiles = NUMCORESACTIVE - 1;
 #endif
+#ifdef MGC_SPEC
+  gc_profile_flag = false;
+#endif
 #ifdef GC_FLUSH_DTLB
   gc_num_flush_dtlb = 0;
 #endif
-  //gc_localheap_s = false;
+  gc_localheap_s = false;
 #ifdef GC_CACHE_ADAPT
   gccachestage = false;
 #endif // GC_CACHE_ADAPT
@@ -1534,9 +1561,15 @@ INLINE void processmsg_gcprofiles_I() {
   MSG_INDEXINC_I();
   int data3 = msgdata[msgdataindex];
   MSG_INDEXINC_I();
+#ifdef MGC_SPEC
+  if(gc_profile_flag) {
+#endif
   gc_num_obj += data1;
   gc_num_liveobj += data2;
   gc_num_forwardobj += data3;
+#ifdef MGC_SPEC
+  }
+#endif
   gc_num_profiles--;
 }
 #endif // GC_PROFILE
diff --git a/Robust/src/Runtime/mem.c b/Robust/src/Runtime/mem.c
index ce47feb4..ef28022c 100644
--- a/Robust/src/Runtime/mem.c
+++ b/Robust/src/Runtime/mem.c
@@ -57,13 +57,29 @@ void * mycalloc_share(int m,
 #endif
 
 void * mycalloc(int m, 
-		        int size) {
+		        int size,
+				char * file,
+				int line) {
   void * p = NULL;
   int isize = size; 
   BAMBOO_ENTER_RUNTIME_MODE_FROM_CLIENT();
+#ifdef MULTICORE_GC
+  extern bool gc_localheap_s;
+inermycalloc_i:
+  p = gc_localheap_s ? BAMBOO_LOCAL_MEM_CALLOC_S(m, isize) : 
+	BAMBOO_LOCAL_MEM_CALLOC(m, isize);
+#else
   p = BAMBOO_LOCAL_MEM_CALLOC(m, isize); // calloc(m, isize);
+#endif
   if(p == NULL) {
-	  BAMBOO_EXIT(0xc003);
+#ifdef MULTICORE_GC
+	if(!gc_localheap_s) {
+	  gc_localheap_s = true;
+	  goto inermycalloc_i;
+	}
+#endif
+	printf("mycalloc %s %d \n", file, line);
+	BAMBOO_EXIT(0xc003);
   }
   BAMBOO_ENTER_CLIENT_MODE_FROM_RUNTIME();
   return p;
@@ -71,18 +87,42 @@ void * mycalloc(int m,
 
 
 void * mycalloc_i(int m, 
-		          int size) {
+		          int size,
+				  char * file,
+				  int line) {
   void * p = NULL;
   int isize = size; 
+#ifdef MULTICORE_GC
+  extern bool gc_localheap_s;
+inermycalloc_i:
+  p = gc_localheap_s ? BAMBOO_LOCAL_MEM_CALLOC_S(m, isize) : 
+	BAMBOO_LOCAL_MEM_CALLOC(m, isize);
+#else
   p = BAMBOO_LOCAL_MEM_CALLOC(m, isize); // calloc(m, isize);
+#endif
   if(p == NULL) {
+#ifdef MULTICORE_GC
+	if(!gc_localheap_s) {
+	  gc_localheap_s = true;
+	  goto inermycalloc_i;
+	}
+#endif
+	tprintf("macalloc_i %s %d \n", file, line);
 	BAMBOO_EXIT(0xc004);
   }
   return p;
 }
 
 void myfree(void * ptr) {
-  BAMBOO_LOCAL_MEM_FREE(ptr);
+#ifdef MULTICORE_GC
+  if(ptr >= BAMBOO_LOCAL_HEAP_START_VA ) {
+#endif
+	BAMBOO_LOCAL_MEM_FREE(ptr);
+#ifdef MULTICORE_GC
+  } else if(ptr >= BAMBOO_LOCAL_HEAP_START_VA_S) {
+	BAMBOO_LOCAL_MEM_FREE_S(ptr);
+  }
+#endif
   return;
 }
 
diff --git a/Robust/src/Runtime/mem.h b/Robust/src/Runtime/mem.h
index 6f8bee97..9a9d55c1 100644
--- a/Robust/src/Runtime/mem.h
+++ b/Robust/src/Runtime/mem.h
@@ -23,11 +23,11 @@
 #endif
 #else
 #ifdef MULTICORE
-void * mycalloc(int m, int size);
-void * mycalloc_i(int m, int size);
+void * mycalloc(int m, int size, char * file, int line);
+void * mycalloc_i(int m, int size, char * file, int line);
 void myfree(void * ptr);
-#define RUNMALLOC(x) mycalloc(1,x) // handle interruption inside
-#define RUNMALLOC_I(x) mycalloc_i(1,x) //with interruption blocked beforehand
+#define RUNMALLOC(x) mycalloc(1,x,__FILE__,__LINE__) // handle interruption inside
+#define RUNMALLOC_I(x) mycalloc_i(1,x,__FILE__,__LINE__) //with interruption blocked beforehand
 #define RUNFREE(x) myfree(x)
 #ifdef MULTICORE_GC
 #include "multicoregc.h"
diff --git a/Robust/src/buildscript b/Robust/src/buildscript
index fe0a4e40..6298e638 100755
--- a/Robust/src/buildscript
+++ b/Robust/src/buildscript
@@ -188,6 +188,7 @@ TILERABMEFLAG=false
 TILERAZLINUXFLAG=false
 TILERAMEMPROFFLAG=false
 TILERACONFIG=''
+TILERACORES=''
 CACHEFLUSHFLAG=false
 RAWCONFIG=''
 DEBUGFLAG=false
@@ -424,6 +425,7 @@ JAVAOPTS="$JAVAOPTS -multicore"
 elif [[ $1 = '-numcore' ]]
 then
 JAVAOPTS="$JAVAOPTS -numcore $2"
+TILERACORES="$2"
 if [[ "$2" -gt "1" ]]
 then
 TILERAN1COREFLAG=true
@@ -930,9 +932,9 @@ cp ../Runtime/*.c ./
 cp ../Runtime/*.h ./
 cp ../Runtime/*.S ./
 cp ../Runtime/*.s ./
-mkdir ./coreprof
-cp ../Runtime/coreprof/*.c ./coreprof/
-cp ../Runtime/coreprof/*.h ./coreprof/
+#mkdir ./coreprof
+#cp ../Runtime/coreprof/*.c ./coreprof/
+#cp ../Runtime/coreprof/*.h ./coreprof/
 cp $BAMBOORUNTIME/*.c ./
 cp $BAMBOORUNTIME/*.h ./
 cp $BAMBOORUNTIME/RAW/*.c ./
@@ -950,9 +952,9 @@ TILERADIR="$CURDIR/tilera"
 if $TILERABMEFLAG
 then # TILERABMEFLAG
 TILERA_INDIR="BME"
-MAKEFILE="Makefile.tilera.$TILERACONFIG"
-SIMHVC="sim.hvc.$TILERACONFIG"
-PCIHVC="pci.hvc.$TILERACONFIG"
+MAKEFILE="Makefile.tilera.$TILERACORES"
+#SIMHVC="sim.hvc.$TILERACONFIG"
+PCIHVC="pci.hvc.$TILERACORES"
 if $TILERA56COREFLAG
 then
   PCIHVC="$PCIHVC.56"
@@ -1041,7 +1043,7 @@ fi #INTERRUPT version
 
 if $MGCFLAG
 then #MGCFLAG
-TILERACFLAGS="${TILERACFLAGS} -DMGC"
+TILERACFLAGS="${TILERACFLAGS} -DMGC -DMGC_SPEC"
 fi
 
 if $MULTICOREGCFLAG
@@ -1152,7 +1154,7 @@ cp $ROBUSTROOT/Tilera/Runtime/$TILERA_INDIR/$MAKEFILE ./Makefile
 fi
 if $TILERABMEFLAG
 then # TILERABMEFLAG
-cp $ROBUSTROOT/Tilera/Runtime/$TILERA_INDIR/$SIMHVC ./sim.hvc
+#cp $ROBUSTROOT/Tilera/Runtime/$TILERA_INDIR/$SIMHVC ./sim.hvc
 cp $ROBUSTROOT/Tilera/Runtime/$TILERA_INDIR/$PCIHVC ./pci.hvc
 if $TILERA56COREFLAG
 then