fixing potential bug with iteration variable names

flops.cpp

@@ -47,7 +47,7 @@ template <typename T> void bench(std::string precision, const int outer_iter, co
 #pragma omp target update to(Aptr[0 : globalWI])
     MPI_Barrier(MPI_COMM_WORLD);
     const double l_start = omp_get_wtime();
-    for (int64_t j = 0; j < inner_iter; j++) {
+    for (int64_t k = 0; k < inner_iter; k++) {
 #pragma omp target teams distribute parallel for
       for (int64_t i = 0; i < globalWI; i++) {
 	T x = Aptr[i];