TESTING only: enforce larger time span for kernel execution

Author: Amr Akmal Moustafa Abouelmagd

src/stream/TRIAD-Hip.cpp

@@ -84,14 +84,19 @@ void TRIAD::runHipVariantImpl(VariantID vid)
   } else if ( vid == RAJA_HIP ) {
 
     startTimer();
+    
     for (RepIndex_type irep = 0; irep < run_reps; ++irep) {
 
       RAJA::forall< RAJA::hip_exec<block_size, true /*async*/> >( res,
         RAJA::RangeSegment(ibegin, iend), [=] __device__ (Index_type i) {
-        TRIAD_BODY;
-      });
 
+          for (RepIndex_type extra_rep = 0; extra_rep < extra_kernel_repe_count; ++extra_rep) {
+            TRIAD_BODY;
+          }
+
+      });
     }
+
     stopTimer();
 
   } else {

src/stream/TRIAD.hpp

@@ -26,6 +26,7 @@
 #define TRIAD_BODY  \
   a[i] = b[i] + alpha * c[i] ;
 
+constexpr int extra_kernel_repe_count = 5;
 
 #include "common/KernelBase.hpp"