Reduce materialize threshold.

Change-Id: I251476c58330186bbaab24bca641ff4ce74b1e0c
diff --git a/src/compiler_llvm/compilation_unit.h b/src/compiler_llvm/compilation_unit.h
index 2f98521..fb5f4e4 100644
--- a/src/compiler_llvm/compilation_unit.h
+++ b/src/compiler_llvm/compilation_unit.h
@@ -98,7 +98,7 @@
 
   bool IsMaterializeThresholdReached() const {
     MutexLock GUARD(cunit_lock_);
-    return (mem_usage_ > 100000000u); // (threshold: 100 MB)
+    return (mem_usage_ > 10000000u); // (threshold: 10 MB)
   }
 
   void AddMemUsageApproximation(size_t usage) {