diff --git a/apps/shared/float_pair_store.h b/apps/shared/float_pair_store.h
index 1da4317ff..4d5895bad 100644
--- a/apps/shared/float_pair_store.h
+++ b/apps/shared/float_pair_store.h
@@ -18,7 +18,7 @@ public:
   void resetColumn(int i);
   float sumOfColumn(int i);
   uint32_t storeChecksum();
-  constexpr static int k_maxNumberOfPairs = 500;
+  constexpr static int k_maxNumberOfPairs = 100;
 protected:
   virtual float defaultValue(int ii);
   int m_numberOfPairs;
diff --git a/apps/shared/interval.h b/apps/shared/interval.h
index 236d33d7e..fa6bdf0a0 100644
--- a/apps/shared/interval.h
+++ b/apps/shared/interval.h
@@ -19,7 +19,7 @@ public:
   void setStep(float f);
   void setElement(int i, float f);
   // TODO: decide the max number of elements after optimization
-  constexpr static int k_maxNumberOfElements = 500;
+  constexpr static int k_maxNumberOfElements = 100;
 private:
   void computeElements();
   int m_numberOfElements;