diff --git a/20151202/src/enshu_20151202/src/GCTest.cpp b/20151202/src/enshu_20151202/src/GCTest.cpp
index 4c3fd214..77f50ff8 100644
--- a/20151202/src/enshu_20151202/src/GCTest.cpp
+++ b/20151202/src/enshu_20151202/src/GCTest.cpp
@@ -38,10 +38,15 @@ void *_ThreadStart(void *arg){
 
 bool do_delete = true;
 
-
+/*
 typedef vector<int> Elem;
 typedef vector<int>* ElemPtr;
 typedef vector<ElemPtr>* ElemPtrVec;
+*/
+#include <boost/shared_ptr.hpp>
+typedef vector<int> Elem;
+typedef boost::shared_ptr<vector<int> > ElemPtr;
+typedef boost::shared_ptr<vector<ElemPtr> > ElemPtrVec;
 
 class Mutator : public Thread {
   bool loop;
diff --git a/20151202/src/enshu_20151202/src/GCTest.gc.log b/20151202/src/enshu_20151202/src/GCTest.gc.log
new file mode 100644
index 00000000..435cdc1d
--- /dev/null
+++ b/20151202/src/enshu_20151202/src/GCTest.gc.log
@@ -0,0 +1,10 @@
+0.118: [GC 62976K->50584K(241408K), 0.0497140 secs]
+0.230: [GC 113560K->101202K(304384K), 0.0562820 secs]
+0.414: [GC 227154K->99033K(304384K), 0.0074850 secs]
+0.563: [GC 224985K->203282K(455680K), 0.1054890 secs]
+0.668: [Full GC 203282K->112332K(595840K), 1.3826150 secs]
+2.337: [GC 364236K->321112K(595840K), 0.1673270 secs]
+2.504: [Full GC 321112K->124453K(774592K), 1.5518430 secs]
+4.208: [GC 376357K->332693K(1002112K), 0.1501460 secs]
+4.463: [GC 607317K->362112K(1049344K), 0.1755490 secs]
+4.741: [GC 636736K->388506K(1141312K), 0.1636950 secs]
diff --git a/20151202/src/enshu_20151202/src/GCTest.incgc.log b/20151202/src/enshu_20151202/src/GCTest.incgc.log
new file mode 100644
index 00000000..66947e2c
--- /dev/null
+++ b/20151202/src/enshu_20151202/src/GCTest.incgc.log
@@ -0,0 +1,15 @@
+0.131: [GC 67200K->71959K(243520K), 0.2846730 secs]
+0.444: [GC 103165K(243520K), 0.0260650 secs]
+0.508: [GC 139159K->147635K(243520K), 0.0880170 secs]
+0.663: [GC 214835K->224812K(292480K), 0.0956570 secs]
+0.829: [GC 292012K->302477K(370048K), 0.0951810 secs]
+0.990: [GC 369677K->380138K(447808K), 0.1136870 secs]
+1.170: [GC 447338K->457630K(525184K), 0.1042460 secs]
+1.344: [GC 524830K->535108K(602752K), 0.1027670 secs]
+1.517: [GC 602308K->612523K(680128K), 0.1078070 secs]
+1.694: [GC 679723K->689894K(757696K), 0.1039520 secs]
+1.864: [GC 757094K->767224K(834880K), 0.1038330 secs]
+2.037: [GC 834424K->844816K(912448K), 0.1165400 secs]
+2.223: [GC 912016K->920326K(987904K), 0.1031800 secs]
+2.390: [GC 987526K->997465K(1065088K), 0.0945280 secs]
+2.553: [GC 1064665K->1075116K(1142848K), 0.1004290 secs]